diff --git a/.github/workflows/flutter-ci.yml b/.github/workflows/flutter-ci.yml
index 74e4efa99..cae5b82c7 100644
--- a/.github/workflows/flutter-ci.yml
+++ b/.github/workflows/flutter-ci.yml
@@ -18,7 +18,7 @@ on:
 
 env:
   LLVM_VERSION: "15.0.6"
-  FLUTTER_VERSION: "3.7.0"
+  FLUTTER_VERSION: "3.7.5"
   # vcpkg version: 2022.05.10
   # for multiarch gcc compatibility
   VCPKG_COMMIT_ID: "14e7bb4ae24616ec54ff6b2f6ef4e8659434ea44"
@@ -260,7 +260,7 @@ jobs:
         job:
           - {
               target: x86_64-unknown-linux-gnu,
-              os: ubuntu-18.04,
+              os: ubuntu-20.04,
               extra-build-args: "",
             }
     steps:
@@ -330,13 +330,13 @@ jobs:
           - {
               arch: x86_64,
               target: aarch64-linux-android,
-              os: ubuntu-18.04,
+              os: ubuntu-20.04,
               extra-build-features: "",
             }
           # - {
           #     arch: x86_64,
           #     target: armv7-linux-androideabi,
-          #     os: ubuntu-18.04,
+          #     os: ubuntu-20.04,
           #     extra-build-features: "",
           #   }
     steps:
@@ -907,19 +907,19 @@ jobs:
           - {
               arch: x86_64,
               target: x86_64-unknown-linux-gnu,
-              os: ubuntu-18.04,
+              os: ubuntu-20.04,
               extra-build-features: "",
             }
           - {
               arch: x86_64,
               target: x86_64-unknown-linux-gnu,
-              os: ubuntu-18.04,
+              os: ubuntu-20.04,
               extra-build-features: "flatpak",
             }
           - {
               arch: x86_64,
               target: x86_64-unknown-linux-gnu,
-              os: ubuntu-18.04,
+              os: ubuntu-20.04,
               extra-build-features: "appimage",
             }
           # - { target: x86_64-unknown-linux-musl   , os: ubuntu-20.04, use-cross: true }
diff --git a/.github/workflows/flutter-nightly.yml b/.github/workflows/flutter-nightly.yml
index b08193971..ffcadd18b 100644
--- a/.github/workflows/flutter-nightly.yml
+++ b/.github/workflows/flutter-nightly.yml
@@ -732,7 +732,7 @@ jobs:
               x86_64)
                 # no need mock on x86_64
                 export VCPKG_ROOT=/opt/artifacts/vcpkg
-                cargo build --lib --features hwcodec,flutter,flutter_texture_render,${{ matrix.job.extra-build-features }} --release
+                cargo build --lib --features hwcodec,flutter,${{ matrix.job.extra-build-features }} --release
                 ;;
             esac
 
@@ -900,7 +900,7 @@ jobs:
                 ln -s /usr/include /vcpkg/installed/arm64-linux/include
                 export VCPKG_ROOT=/vcpkg
                 # disable hwcodec for compilation
-                cargo build --lib --features flutter,flutter_texture_render,${{ matrix.job.extra-build-features }} --release
+                cargo build --lib --features flutter,${{ matrix.job.extra-build-features }} --release
                 ;;
               armv7)
                 cp -r /opt/artifacts/vcpkg/installed/lib/* /usr/lib/arm-linux-gnueabihf/
@@ -910,7 +910,7 @@ jobs:
                 ln -s /usr/include /vcpkg/installed/arm-linux/include
                 export VCPKG_ROOT=/vcpkg
                 # disable hwcodec for compilation
-                cargo build --lib --features flutter,flutter_texture_render,${{ matrix.job.extra-build-features }} --release
+                cargo build --lib --features flutter,${{ matrix.job.extra-build-features }} --release
                 ;;
             esac
 
diff --git a/Cargo.toml b/Cargo.toml
index f93f776a0..b53615c4e 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -132,6 +132,7 @@ flutter_rust_bridge = "1.61.1"
 
 [workspace]
 members = ["libs/scrap", "libs/hbb_common", "libs/enigo", "libs/clipboard", "libs/virtual_display", "libs/virtual_display/dylib", "libs/simple_rc", "libs/portable"]
+exclude = ["vdi/host"]
 
 [package.metadata.winres]
 LegalCopyright = "Copyright © 2022 Purslane, Inc."
diff --git a/build.py b/build.py
index 727b53fe0..b30f76f95 100755
--- a/build.py
+++ b/build.py
@@ -18,14 +18,11 @@ exe_path = 'target/release/' + hbb_name
 flutter_win_target_dir = 'flutter/build/windows/runner/Release/'
 skip_cargo = False
 
-def custom_os_system(cmd):
-    err = os._system(cmd)
+def system2(cmd):
+    err = os.system(cmd)
     if err != 0:
         print(f"Error occurred when executing: {cmd}. Exiting.")
         sys.exit(-1)
-# replace prebuilt os.system
-os._system = os.system
-os.system = custom_os_system
 
 def get_version():
     with open("Cargo.toml", encoding="utf-8") as fh:
@@ -144,8 +141,8 @@ def generate_build_script_for_docker():
             # build rustdesk
             ./build.py --flutter --hwcodec
         ''')
-    os.system("chmod +x /tmp/build.sh")
-    os.system("bash /tmp/build.sh")
+    system2("chmod +x /tmp/build.sh")
+    system2("bash /tmp/build.sh")
 
 
 def download_extract_features(features, res_dir):
@@ -250,7 +247,7 @@ def get_features(args):
 
 def generate_control_file(version):
     control_file_path = "../res/DEBIAN/control"
-    os.system('/bin/rm -rf %s' % control_file_path)
+    system2('/bin/rm -rf %s' % control_file_path)
 
     content = """Package: rustdesk
 Version: %s
@@ -268,45 +265,45 @@ Description: A remote control software.
 
 def ffi_bindgen_function_refactor():
     # workaround ffigen
-    os.system(
+    system2(
         'sed -i "s/ffi.NativeFunction<ffi.Bool Function(DartPort/ffi.NativeFunction<ffi.Uint8 Function(DartPort/g" flutter/lib/generated_bridge.dart')
 
 
 def build_flutter_deb(version, features):
     if not skip_cargo:
-        os.system(f'cargo build --features {features} --lib --release')
+        system2(f'cargo build --features {features} --lib --release')
         ffi_bindgen_function_refactor()
     os.chdir('flutter')
-    os.system('flutter build linux --release')
-    os.system('mkdir -p tmpdeb/usr/bin/')
-    os.system('mkdir -p tmpdeb/usr/lib/rustdesk')
-    os.system('mkdir -p tmpdeb/usr/share/rustdesk/files/systemd/')
-    os.system('mkdir -p tmpdeb/usr/share/applications/')
-    os.system('mkdir -p tmpdeb/usr/share/polkit-1/actions')
-    os.system('rm tmpdeb/usr/bin/rustdesk || true')
-    os.system(
+    system2('flutter build linux --release')
+    system2('mkdir -p tmpdeb/usr/bin/')
+    system2('mkdir -p tmpdeb/usr/lib/rustdesk')
+    system2('mkdir -p tmpdeb/usr/share/rustdesk/files/systemd/')
+    system2('mkdir -p tmpdeb/usr/share/applications/')
+    system2('mkdir -p tmpdeb/usr/share/polkit-1/actions')
+    system2('rm tmpdeb/usr/bin/rustdesk || true')
+    system2(
         'cp -r build/linux/x64/release/bundle/* tmpdeb/usr/lib/rustdesk/')
-    os.system(
+    system2(
         'cp ../res/rustdesk.service tmpdeb/usr/share/rustdesk/files/systemd/')
-    os.system(
+    system2(
         'cp ../res/128x128@2x.png tmpdeb/usr/share/rustdesk/files/rustdesk.png')
-    os.system(
+    system2(
         'cp ../res/rustdesk.desktop tmpdeb/usr/share/applications/rustdesk.desktop')
-    os.system(
+    system2(
         'cp ../res/rustdesk-link.desktop tmpdeb/usr/share/applications/rustdesk-link.desktop')
-    os.system(
+    system2(
         'cp ../res/com.rustdesk.RustDesk.policy tmpdeb/usr/share/polkit-1/actions/')
-    os.system(
+    system2(
         "echo \"#!/bin/sh\" >> tmpdeb/usr/share/rustdesk/files/polkit && chmod a+x tmpdeb/usr/share/rustdesk/files/polkit")
 
-    os.system('mkdir -p tmpdeb/DEBIAN')
+    system2('mkdir -p tmpdeb/DEBIAN')
     generate_control_file(version)
-    os.system('cp -a ../res/DEBIAN/* tmpdeb/DEBIAN/')
+    system2('cp -a ../res/DEBIAN/* tmpdeb/DEBIAN/')
     md5_file('usr/share/rustdesk/files/systemd/rustdesk.service')
-    os.system('dpkg-deb -b tmpdeb rustdesk.deb;')
+    system2('dpkg-deb -b tmpdeb rustdesk.deb;')
 
-    os.system('/bin/rm -rf tmpdeb/')
-    os.system('/bin/rm -rf ../res/DEBIAN/control')
+    system2('/bin/rm -rf tmpdeb/')
+    system2('/bin/rm -rf ../res/DEBIAN/control')
     os.rename('rustdesk.deb', '../rustdesk-%s.deb' % version)
     os.chdir("..")
 
@@ -314,16 +311,16 @@ def build_flutter_deb(version, features):
 def build_flutter_dmg(version, features):
     if not skip_cargo:
         # set minimum osx build target, now is 10.14, which is the same as the flutter xcode project
-        os.system(f'MACOSX_DEPLOYMENT_TARGET=10.14 cargo build --features {features} --lib --release')
+        system2(f'MACOSX_DEPLOYMENT_TARGET=10.14 cargo build --features {features} --lib --release')
     # copy dylib
-    os.system(
+    system2(
         "cp target/release/liblibrustdesk.dylib target/release/librustdesk.dylib")
     # ffi_bindgen_function_refactor()
     # limitations from flutter rust bridge
-    os.system('sed -i "" "s/char \*\*rustdesk_core_main(int \*args_len);//" flutter/macos/Runner/bridge_generated.h')
+    system2('sed -i "" "s/char \*\*rustdesk_core_main(int \*args_len);//" flutter/macos/Runner/bridge_generated.h')
     os.chdir('flutter')
-    os.system('flutter build macos --release')
-    os.system(
+    system2('flutter build macos --release')
+    system2(
         "create-dmg rustdesk.dmg ./build/macos/Build/Products/Release/RustDesk.app")
     os.rename("rustdesk.dmg", f"../rustdesk-{version}.dmg")
     os.chdir("..")
@@ -331,29 +328,29 @@ def build_flutter_dmg(version, features):
 
 def build_flutter_arch_manjaro(version, features):
     if not skip_cargo:
-        os.system(f'cargo build --features {features} --lib --release')
+        system2(f'cargo build --features {features} --lib --release')
     ffi_bindgen_function_refactor()
     os.chdir('flutter')
-    os.system('flutter build linux --release')
-    os.system('strip build/linux/x64/release/bundle/lib/librustdesk.so')
+    system2('flutter build linux --release')
+    system2('strip build/linux/x64/release/bundle/lib/librustdesk.so')
     os.chdir('../res')
-    os.system('HBB=`pwd`/.. FLUTTER=1 makepkg -f')
+    system2('HBB=`pwd`/.. FLUTTER=1 makepkg -f')
 
 
 def build_flutter_windows(version, features):
     if not skip_cargo:
-        os.system(f'cargo build --features {features} --lib --release')
+        system2(f'cargo build --features {features} --lib --release')
         if not os.path.exists("target/release/librustdesk.dll"):
             print("cargo build failed, please check rust source code.")
             exit(-1)
     os.chdir('flutter')
-    os.system('flutter build windows --release')
+    system2('flutter build windows --release')
     os.chdir('..')
     shutil.copy2('target/release/deps/dylib_virtual_display.dll',
                  flutter_win_target_dir)
     os.chdir('libs/portable')
-    os.system('pip3 install -r requirements.txt')
-    os.system(
+    system2('pip3 install -r requirements.txt')
+    system2(
         f'python3 ./generate.py -f ../../{flutter_win_target_dir} -o . -e ../../{flutter_win_target_dir}/rustdesk.exe')
     os.chdir('../..')
     if os.path.exists('./rustdesk_portable.exe'):
@@ -374,22 +371,15 @@ def main():
     parser = make_parser()
     args = parser.parse_args()
 
-    shutil.copy2('Cargo.toml', 'Cargo.toml.bk')
-    shutil.copy2('src/main.rs', 'src/main.rs.bk')
-    if windows:
-        txt = open('src/main.rs', encoding='utf8').read()
-        with open('src/main.rs', 'wt', encoding='utf8') as fh:
-            fh.write(txt.replace(
-                '//#![windows_subsystem', '#![windows_subsystem'))
     if os.path.exists(exe_path):
         os.unlink(exe_path)
     if os.path.isfile('/usr/bin/pacman'):
-        os.system('git checkout src/ui/common.tis')
+        system2('git checkout src/ui/common.tis')
     version = get_version()
     features = ','.join(get_features(args))
     flutter = args.flutter
     if not flutter:
-        os.system('python3 res/inline-sciter.py')
+        system2('python3 res/inline-sciter.py')
     print(args.skip_cargo)
     if args.skip_cargo:
         skip_cargo = True
@@ -397,55 +387,55 @@ def main():
     if windows:
         # build virtual display dynamic library
         os.chdir('libs/virtual_display/dylib')
-        os.system('cargo build --release')
+        system2('cargo build --release')
         os.chdir('../../..')
 
         if flutter:
             build_flutter_windows(version, features)
             return
-        os.system('cargo build --release --features ' + features)
-        # os.system('upx.exe target/release/rustdesk.exe')
-        os.system('mv target/release/rustdesk.exe target/release/RustDesk.exe')
+        system2('cargo build --release --features ' + features)
+        # system2('upx.exe target/release/rustdesk.exe')
+        system2('mv target/release/rustdesk.exe target/release/RustDesk.exe')
         pa = os.environ.get('P')
         if pa:
-            os.system(
+            system2(
                 f'signtool sign /a /v /p {pa} /debug /f .\\cert.pfx /t http://timestamp.digicert.com  '
                 'target\\release\\rustdesk.exe')
         else:
             print('Not signed')
-        os.system(
+        system2(
             f'cp -rf target/release/RustDesk.exe rustdesk-{version}-win7-install.exe')
     elif os.path.isfile('/usr/bin/pacman'):
         # pacman -S -needed base-devel
-        os.system("sed -i 's/pkgver=.*/pkgver=%s/g' res/PKGBUILD" % version)
+        system2("sed -i 's/pkgver=.*/pkgver=%s/g' res/PKGBUILD" % version)
         if flutter:
             build_flutter_arch_manjaro(version, features)
         else:
-            os.system('cargo build --release --features ' + features)
-            os.system('git checkout src/ui/common.tis')
-            os.system('strip target/release/rustdesk')
-            os.system('ln -s res/pacman_install && ln -s res/PKGBUILD')
-            os.system('HBB=`pwd` makepkg -f')
-        os.system('mv rustdesk-%s-0-x86_64.pkg.tar.zst rustdesk-%s-manjaro-arch.pkg.tar.zst' % (
+            system2('cargo build --release --features ' + features)
+            system2('git checkout src/ui/common.tis')
+            system2('strip target/release/rustdesk')
+            system2('ln -s res/pacman_install && ln -s res/PKGBUILD')
+            system2('HBB=`pwd` makepkg -f')
+        system2('mv rustdesk-%s-0-x86_64.pkg.tar.zst rustdesk-%s-manjaro-arch.pkg.tar.zst' % (
             version, version))
         # pacman -U ./rustdesk.pkg.tar.zst
     elif os.path.isfile('/usr/bin/yum'):
-        os.system('cargo build --release --features ' + features)
-        os.system('strip target/release/rustdesk')
-        os.system(
+        system2('cargo build --release --features ' + features)
+        system2('strip target/release/rustdesk')
+        system2(
             "sed -i 's/Version:    .*/Version:    %s/g' res/rpm.spec" % version)
-        os.system('HBB=`pwd` rpmbuild -ba res/rpm.spec')
-        os.system(
+        system2('HBB=`pwd` rpmbuild -ba res/rpm.spec')
+        system2(
             'mv $HOME/rpmbuild/RPMS/x86_64/rustdesk-%s-0.x86_64.rpm ./rustdesk-%s-fedora28-centos8.rpm' % (
                 version, version))
         # yum localinstall rustdesk.rpm
     elif os.path.isfile('/usr/bin/zypper'):
-        os.system('cargo build --release --features ' + features)
-        os.system('strip target/release/rustdesk')
-        os.system(
+        system2('cargo build --release --features ' + features)
+        system2('strip target/release/rustdesk')
+        system2(
             "sed -i 's/Version:    .*/Version:    %s/g' res/rpm-suse.spec" % version)
-        os.system('HBB=`pwd` rpmbuild -ba res/rpm-suse.spec')
-        os.system(
+        system2('HBB=`pwd` rpmbuild -ba res/rpm-suse.spec')
+        system2(
             'mv $HOME/rpmbuild/RPMS/x86_64/rustdesk-%s-0.x86_64.rpm ./rustdesk-%s-suse.rpm' % (
                 version, version))
         # yum localinstall rustdesk.rpm
@@ -455,18 +445,18 @@ def main():
                 build_flutter_dmg(version, features)
                 pass
             else:
-                # os.system(
+                # system2(
                 #     'mv target/release/bundle/deb/rustdesk*.deb ./flutter/rustdesk.deb')
                 build_flutter_deb(version, features)
         else:
-            os.system('cargo bundle --release --features ' + features)
+            system2('cargo bundle --release --features ' + features)
             if osx:
-                os.system(
+                system2(
                     'strip target/release/bundle/osx/RustDesk.app/Contents/MacOS/rustdesk')
-                os.system(
+                system2(
                     'cp libsciter.dylib target/release/bundle/osx/RustDesk.app/Contents/MacOS/')
                 # https://github.com/sindresorhus/create-dmg
-                os.system('/bin/rm -rf *.dmg')
+                system2('/bin/rm -rf *.dmg')
                 plist = "target/release/bundle/osx/RustDesk.app/Contents/Info.plist"
                 txt = open(plist).read()
                 with open(plist, "wt") as fh:
@@ -476,7 +466,7 @@ def main():
     </dict>"""))
                 pa = os.environ.get('P')
                 if pa:
-                    os.system('''
+                    system2('''
     # buggy: rcodesign sign ... path/*, have to sign one by one
     # install rcodesign via cargo install apple-codesign
     #rcodesign sign --p12-file ~/.p12/rustdesk-developer-id.p12 --p12-password-file ~/.p12/.cert-pass --code-signature-flags runtime ./target/release/bundle/osx/RustDesk.app/Contents/MacOS/rustdesk
@@ -486,11 +476,11 @@ def main():
     codesign -s "Developer ID Application: {0}" --force --options runtime  ./target/release/bundle/osx/RustDesk.app/Contents/MacOS/*
     codesign -s "Developer ID Application: {0}" --force --options runtime  ./target/release/bundle/osx/RustDesk.app
     '''.format(pa))
-                os.system('create-dmg target/release/bundle/osx/RustDesk.app')
+                system2('create-dmg target/release/bundle/osx/RustDesk.app')
                 os.rename('RustDesk %s.dmg' %
                           version, 'rustdesk-%s.dmg' % version)
                 if pa:
-                    os.system('''
+                    system2('''
     # https://pyoxidizer.readthedocs.io/en/apple-codesign-0.14.0/apple_codesign.html
     # https://pyoxidizer.readthedocs.io/en/stable/tugger_code_signing.html
     # https://developer.apple.com/developer-id/
@@ -507,34 +497,32 @@ def main():
                     print('Not signed')
             else:
                 # buid deb package
-                os.system(
+                system2(
                     'mv target/release/bundle/deb/rustdesk*.deb ./rustdesk.deb')
-                os.system('dpkg-deb -R rustdesk.deb tmpdeb')
-                os.system('mkdir -p tmpdeb/usr/share/rustdesk/files/systemd/')
-                os.system(
+                system2('dpkg-deb -R rustdesk.deb tmpdeb')
+                system2('mkdir -p tmpdeb/usr/share/rustdesk/files/systemd/')
+                system2(
                     'cp res/rustdesk.service tmpdeb/usr/share/rustdesk/files/systemd/')
-                os.system(
+                system2(
                     'cp res/128x128@2x.png tmpdeb/usr/share/rustdesk/files/rustdesk.png')
-                os.system(
+                system2(
                     'cp res/rustdesk.desktop tmpdeb/usr/share/applications/rustdesk.desktop')
-                os.system(
+                system2(
                     'cp res/rustdesk-link.desktop tmpdeb/usr/share/applications/rustdesk-link.desktop')
-                os.system('cp -a res/DEBIAN/* tmpdeb/DEBIAN/')
-                os.system('strip tmpdeb/usr/bin/rustdesk')
-                os.system('mkdir -p tmpdeb/usr/lib/rustdesk')
-                os.system('mv tmpdeb/usr/bin/rustdesk tmpdeb/usr/lib/rustdesk/')
-                os.system('cp libsciter-gtk.so tmpdeb/usr/lib/rustdesk/')
+                system2('cp -a res/DEBIAN/* tmpdeb/DEBIAN/')
+                system2('strip tmpdeb/usr/bin/rustdesk')
+                system2('mkdir -p tmpdeb/usr/lib/rustdesk')
+                system2('mv tmpdeb/usr/bin/rustdesk tmpdeb/usr/lib/rustdesk/')
+                system2('cp libsciter-gtk.so tmpdeb/usr/lib/rustdesk/')
                 md5_file('usr/share/rustdesk/files/systemd/rustdesk.service')
                 md5_file('usr/lib/rustdesk/libsciter-gtk.so')
-                os.system('dpkg-deb -b tmpdeb rustdesk.deb; /bin/rm -rf tmpdeb/')
+                system2('dpkg-deb -b tmpdeb rustdesk.deb; /bin/rm -rf tmpdeb/')
                 os.rename('rustdesk.deb', 'rustdesk-%s.deb' % version)
-    os.system("mv Cargo.toml.bk Cargo.toml")
-    os.system("mv src/main.rs.bk src/main.rs")
 
 
 def md5_file(fn):
     md5 = hashlib.md5(open('tmpdeb/' + fn, 'rb').read()).hexdigest()
-    os.system('echo "%s %s" >> tmpdeb/DEBIAN/md5sums' % (md5, fn))
+    system2('echo "%s %s" >> tmpdeb/DEBIAN/md5sums' % (md5, fn))
 
 
 if __name__ == "__main__":
diff --git a/docs/CONTRIBUTING-DE.md b/docs/CONTRIBUTING-DE.md
new file mode 100644
index 000000000..6258a9a7a
--- /dev/null
+++ b/docs/CONTRIBUTING-DE.md
@@ -0,0 +1,50 @@
+# Beiträge zu RustDesk
+
+RustDesk begrüßt Beiträge von jedem. Hier sind die Richtlinien, wenn Sie uns
+helfen möchten:
+
+## Beiträge
+
+Beiträge zu RustDesk oder seinen Abhängigkeiten sollten in Form von Pull
+Requests auf GitHub erfolgen. Jeder Pull Request wird von einem Hauptakteur
+(jemand mit der Erlaubnis, Korrekturen einzubringen) geprüft und entweder in den
+Hauptbaum eingefügt oder Feedback für notwendige Änderungen gegeben. Alle
+Beiträge sollten diesem Format folgen, auch die von Hauptakteuren.
+
+Wenn Sie an einem Problem arbeiten möchten, melden Sie es bitte zuerst an, indem
+Sie auf GitHub erklären, dass Sie daran arbeiten möchten. Damit soll verhindert
+werden, dass Beiträge zum gleichen Thema doppelt bearbeitet werden.
+
+## Checkliste für Pull Requests
+
+- Verzweigen Sie sich vom Master-Branch und, falls nötig, wechseln Sie zum
+  aktuellen Master-Branch, bevor Sie Ihren Pull Request einreichen. Wenn das
+  Zusammenführen mit dem Master nicht reibungslos funktioniert, werden Sie
+  möglicherweise aufgefordert, Ihre Änderungen zu überarbeiten.
+
+- Commits sollten so klein wie möglich sein und gleichzeitig sicherstellen, dass
+  jeder Commit unabhängig voneinander korrekt ist (d. h., jeder Commit sollte
+  sich übersetzen lassen und Tests bestehen).
+
+- Commits sollten von einem "Herkunftszertifikat für Entwickler"
+  (https://developercertificate.org) begleitet werden, das besagt, dass Sie (und
+  ggf. Ihr Arbeitgeber) mit den Bedingungen der [Projektlizenz](../LICENCE)
+  einverstanden sind. In Git ist dies die Option `-s` für `git commit`.
+
+- Wenn Ihr Patch nicht begutachtet wird oder Sie eine bestimmte Person zur
+  Begutachtung benötigen, können Sie einem Gutachter mit @ antworten und um eine
+  Begutachtung des Pull Requests oder einen Kommentar bitten. Sie können auch
+  per [E-Mail](mailto:info@rustdesk.com) um eine Begutachtung bitten.
+
+- Fügen Sie Tests hinzu, die sich auf den behobenen Fehler oder die neue
+  Funktion beziehen.
+
+Spezifische Git-Anweisungen finden Sie im [GitHub-Workflow](https://github.com/servo/servo/wiki/GitHub-workflow).
+
+## Verhalten
+
+https://github.com/rustdesk/rustdesk/blob/master/docs/CODE_OF_CONDUCT.md
+
+## Kommunikation
+
+RustDesk-Mitarbeiter arbeiten häufig im [Discord](https://discord.gg/nDceKgxnkV).
diff --git a/docs/DEVCONTAINER-DE.md b/docs/DEVCONTAINER-DE.md
new file mode 100644
index 000000000..2a0d73f17
--- /dev/null
+++ b/docs/DEVCONTAINER-DE.md
@@ -0,0 +1,14 @@
+
+Nach dem Start von Dev-Container im Docker-Container wird ein Linux-Binärprogramm im Debug-Modus erstellt.
+
+Derzeit bietet Dev-Container Linux- und Android-Builds sowohl im Debug- als auch im Release-Modus an.
+
+Nachfolgend finden Sie eine Tabelle mit Befehlen, die im Stammverzeichnis des Projekts ausgeführt werden müssen, um bestimmte Builds zu erstellen.
+
+Kommando|Build-Typ|Modus
+-|-|-|
+`.devcontainer/build.sh --debug linux`|Linux|debug
+`.devcontainer/build.sh --release linux`|Linux|release
+`.devcontainer/build.sh --debug android`|android-arm64|debug
+`.devcontainer/build.sh --release android`|android-arm64|release
+
diff --git a/docs/README-DE.md b/docs/README-DE.md
index 8ee4a51fa..dd2aa8609 100644
--- a/docs/README-DE.md
+++ b/docs/README-DE.md
@@ -17,9 +17,9 @@ RustDesk ist eine in Rust geschriebene Remote-Desktop-Software, die out of the b
 
 ![image](https://user-images.githubusercontent.com/71636191/171661982-430285f0-2e12-4b1d-9957-4a58e375304d.png)
 
-RustDesk heißt jegliche Mitarbeit willkommen. Schau dir [`docs/CONTRIBUTING.md`](CONTRIBUTING.md) an, wenn du Unterstützung beim Start brauchst.
+RustDesk heißt jegliche Mitarbeit willkommen. Schau dir [CONTRIBUTING-DE.md](CONTRIBUTING-DE.md) an, wenn du Unterstützung beim Start brauchst.
 
-[**Wie arbeitet RustDesk?**](https://github.com/rustdesk/rustdesk/wiki/How-does-RustDesk-work%3F)
+[**FAQ**](https://github.com/rustdesk/rustdesk/wiki/FAQ)
 
 [**Programm herunterladen**](https://github.com/rustdesk/rustdesk/releases)
 
@@ -41,6 +41,14 @@ Nachfolgend sind die Server gelistet, die du kostenlos nutzen kannst. Es kann se
 | USA (Ashburn) | 0x101 Cyber Security | 4 vCPU / 8 GB RAM |
 | Ukraine (Kiew) | dc.volia (2VM) | 2 vCPU / 4 GB RAM |
 
+## Dev-Container
+
+[![In Dev-Containern öffnen](https://img.shields.io/static/v1?label=Dev%20Container&message=Open&color=blue&logo=visualstudiocode)](https://vscode.dev/redirect?url=vscode://ms-vscode-remote.remote-containers/cloneInVolume?url=https://github.com/rustdesk/rustdesk)
+
+Wenn du VS Code und Docker bereits installiert hast, kannst du auf das Abzeichen oben klicken, um loszulegen. Wenn du darauf klickst, wird VS Code automatisch die Dev-Container-Erweiterung installieren, den Quellcode in ein Container-Volume klonen und einen Dev-Container für die Verwendung aufsetzen.
+
+Weitere Informationen findest du in [DEVCONTAINER-DE.md](DEVCONTAINER-DE.md).
+
 ## Abhängigkeiten
 
 Desktop-Versionen verwenden [Sciter](https://sciter.com/) oder Flutter für die GUI, dieses Tutorial ist nur für Sciter.
diff --git a/flutter/android/app/src/main/AndroidManifest.xml b/flutter/android/app/src/main/AndroidManifest.xml
index 9b25f4973..ede6353ef 100644
--- a/flutter/android/app/src/main/AndroidManifest.xml
+++ b/flutter/android/app/src/main/AndroidManifest.xml
@@ -26,6 +26,7 @@
             android:exported="false">
             <intent-filter android:priority="1000">
                 <action android:name="android.intent.action.BOOT_COMPLETED" />
+                <action android:name="android.intent.action.QUICKBOOT_POWERON" />
             </intent-filter>
         </receiver>
 
diff --git a/flutter/assets/transfer.svg b/flutter/assets/transfer.svg
new file mode 100644
index 000000000..24149bf58
--- /dev/null
+++ b/flutter/assets/transfer.svg
@@ -0,0 +1,2 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" style="isolation:isolate" viewBox="298.171 98.799 32 32" width="32pt" height="32pt"><g><path d=" M 298.171 98.799 L 330.171 98.799 L 330.171 130.799 L 298.171 130.799 L 298.171 98.799 Z " fill="none"/><path d=" M 310.278 119.949 L 321.825 119.949 C 322.772 119.949 323.542 119.18 323.542 118.233 L 323.542 118.233 C 323.542 117.285 322.772 116.516 321.825 116.516 L 307.25 116.516 C 304.69 116.516 304.031 118.035 305.779 119.905 L 311.537 126.064 C 312.207 126.734 313.295 126.734 313.965 126.064 L 313.965 126.064 C 314.635 125.394 314.635 124.306 313.965 123.636 L 310.278 119.949 Z  M 318.065 109.649 L 306.518 109.649 C 305.57 109.649 304.801 110.419 304.801 111.366 L 304.801 111.366 C 304.801 112.313 305.57 113.083 306.518 113.083 L 321.092 113.083 C 323.653 113.083 324.312 111.564 322.563 109.693 L 316.806 103.535 C 316.136 102.865 315.048 102.865 314.378 103.535 L 314.378 103.535 C 313.708 104.205 313.708 105.293 314.378 105.963 L 318.065 109.649 Z " fill-rule="evenodd" fill="rgb(0,0,0)"/></g></svg>
\ No newline at end of file
diff --git a/flutter/lib/common.dart b/flutter/lib/common.dart
index ff373cc9c..53a401230 100644
--- a/flutter/lib/common.dart
+++ b/flutter/lib/common.dart
@@ -189,7 +189,9 @@ class MyTheme {
             style: ButtonStyle(splashFactory: NoSplash.splashFactory),
           )
         : null,
-    colorScheme: ColorScheme.fromSwatch(primarySwatch: Colors.blue).copyWith(
+    colorScheme: ColorScheme.fromSwatch(
+      primarySwatch: Colors.blue,
+    ).copyWith(
       brightness: Brightness.light,
       background: Color(0xFFEEEEEE),
     ),
@@ -229,9 +231,11 @@ class MyTheme {
     checkboxTheme:
         const CheckboxThemeData(checkColor: MaterialStatePropertyAll(dark)),
     colorScheme: ColorScheme.fromSwatch(
-      brightness: Brightness.dark,
       primarySwatch: Colors.blue,
-    ).copyWith(background: Color(0xFF24252B)),
+    ).copyWith(
+      brightness: Brightness.dark,
+      background: Color(0xFF24252B),
+    ),
   ).copyWith(
     extensions: <ThemeExtension<dynamic>>[
       ColorThemeExtension.dark,
@@ -1453,10 +1457,12 @@ connectMainDesktop(String id,
 connect(BuildContext context, String id,
     {bool isFileTransfer = false,
     bool isTcpTunneling = false,
-    bool isRDP = false,
-    bool forceRelay = false}) async {
+    bool isRDP = false}) async {
   if (id == '') return;
   id = id.replaceAll(' ', '');
+  final oldId = id;
+  id = await bind.mainHandleRelayId(id: id);
+  final forceRelay = id != oldId;
   assert(!(isFileTransfer && isTcpTunneling && isRDP),
       "more than one connect type");
 
diff --git a/flutter/lib/common/widgets/peer_card.dart b/flutter/lib/common/widgets/peer_card.dart
index 20387de48..a69fc3bbe 100644
--- a/flutter/lib/common/widgets/peer_card.dart
+++ b/flutter/lib/common/widgets/peer_card.dart
@@ -534,7 +534,7 @@ abstract class BasePeerCard extends StatelessWidget {
       proc: () {
         () async {
           if (isLan) {
-            // TODO
+            bind.mainRemoveDiscovered(id: id);
           } else {
             final favs = (await bind.mainGetFav()).toList();
             if (favs.remove(id)) {
@@ -745,12 +745,9 @@ class RecentPeerCard extends BasePeerCard {
     }
 
     if (gFFI.userModel.userName.isNotEmpty) {
-      // if (!gFFI.abModel.idContainBy(peer.id)) {
-      //   menuItems.add(_addToAb(peer));
-      // } else {
-      //   menuItems.add(_removeFromAb(peer));
-      // }
-      menuItems.add(_addToAb(peer));
+      if (!gFFI.abModel.idContainBy(peer.id)) {
+        menuItems.add(_addToAb(peer));
+      }
     }
 
     menuItems.add(MenuEntryDivider());
@@ -797,12 +794,9 @@ class FavoritePeerCard extends BasePeerCard {
     }));
 
     if (gFFI.userModel.userName.isNotEmpty) {
-      // if (!gFFI.abModel.idContainBy(peer.id)) {
-      //   menuItems.add(_addToAb(peer));
-      // } else {
-      //   menuItems.add(_removeFromAb(peer));
-      // }
-      menuItems.add(_addToAb(peer));
+      if (!gFFI.abModel.idContainBy(peer.id)) {
+        menuItems.add(_addToAb(peer));
+      }
     }
 
     menuItems.add(MenuEntryDivider());
@@ -843,23 +837,27 @@ class DiscoveredPeerCard extends BasePeerCard {
       menuItems.add(_createShortCutAction(peer.id));
     }
 
-    if (!favs.contains(peer.id)) {
-      menuItems.add(_addFavAction(peer.id));
-    } else {
-      menuItems.add(_rmFavAction(peer.id, () async {}));
+    final inRecent = await bind.mainIsInRecentPeers(id: peer.id);
+    if (inRecent) {
+      if (!favs.contains(peer.id)) {
+        menuItems.add(_addFavAction(peer.id));
+      } else {
+        menuItems.add(_rmFavAction(peer.id, () async {}));
+      }
     }
 
     if (gFFI.userModel.userName.isNotEmpty) {
-      // if (!gFFI.abModel.idContainBy(peer.id)) {
-      //   menuItems.add(_addToAb(peer));
-      // } else {
-      //   menuItems.add(_removeFromAb(peer));
-      // }
-      menuItems.add(_addToAb(peer));
+      if (!gFFI.abModel.idContainBy(peer.id)) {
+        menuItems.add(_addToAb(peer));
+      }
     }
 
     menuItems.add(MenuEntryDivider());
-    menuItems.add(_removeAction(peer.id, () async {}));
+    menuItems.add(
+      _removeAction(peer.id, () async {
+        await bind.mainLoadLanPeers();
+      }, isLan: true),
+    );
     return menuItems;
   }
 
diff --git a/flutter/lib/consts.dart b/flutter/lib/consts.dart
index 537784918..3c414cd85 100644
--- a/flutter/lib/consts.dart
+++ b/flutter/lib/consts.dart
@@ -2,6 +2,7 @@ import 'dart:io';
 
 import 'package:flutter/material.dart';
 import 'package:flutter_hbb/common.dart';
+import 'package:flutter_hbb/models/state_model.dart';
 
 const double kDesktopRemoteTabBarHeight = 28.0;
 const int kMainWindowId = 0;
@@ -58,6 +59,11 @@ const double kDesktopFileTransferMaximumWidth = 300;
 const double kDesktopFileTransferRowHeight = 30.0;
 const double kDesktopFileTransferHeaderHeight = 25.0;
 
+EdgeInsets get kDragToResizeAreaPadding => !kUseCompatibleUiMode && Platform.isLinux
+    ? stateGlobal.fullscreen || stateGlobal.maximize
+        ? EdgeInsets.zero
+        : EdgeInsets.all(5.0)
+    : EdgeInsets.zero;
 // https://en.wikipedia.org/wiki/Non-breaking_space
 const int $nbsp = 0x00A0;
 
@@ -79,6 +85,7 @@ const kDefaultScrollAmountMultiplier = 5.0;
 const kDefaultScrollDuration = Duration(milliseconds: 50);
 const kDefaultMouseWheelThrottleDuration = Duration(milliseconds: 50);
 const kFullScreenEdgeSize = 0.0;
+const kMaximizeEdgeSize = 0.0;
 var kWindowEdgeSize = Platform.isWindows ? 1.0 : 5.0;
 const kWindowBorderWidth = 1.0;
 const kDesktopMenuPadding = EdgeInsets.only(left: 12.0, right: 3.0);
diff --git a/flutter/lib/desktop/pages/connection_page.dart b/flutter/lib/desktop/pages/connection_page.dart
index 4aad66eee..edbd5b7c6 100644
--- a/flutter/lib/desktop/pages/connection_page.dart
+++ b/flutter/lib/desktop/pages/connection_page.dart
@@ -151,10 +151,7 @@ class _ConnectionPageState extends State<ConnectionPage>
   /// Connects to the selected peer.
   void onConnect({bool isFileTransfer = false}) {
     var id = _idController.id;
-    var forceRelay = id.endsWith(r'/r');
-    if (forceRelay) id = id.substring(0, id.length - 2);
-    connect(context, id,
-        isFileTransfer: isFileTransfer, forceRelay: forceRelay);
+    connect(context, id, isFileTransfer: isFileTransfer);
   }
 
   /// UI for the remote ID TextField.
diff --git a/flutter/lib/desktop/pages/desktop_tab_page.dart b/flutter/lib/desktop/pages/desktop_tab_page.dart
index 053a2d8a2..4a1a40242 100644
--- a/flutter/lib/desktop/pages/desktop_tab_page.dart
+++ b/flutter/lib/desktop/pages/desktop_tab_page.dart
@@ -75,7 +75,7 @@ class _DesktopTabPageState extends State<DesktopTabPage> {
                 isClose: false,
               ),
             )));
-    return Platform.isMacOS
+    return Platform.isMacOS || kUseCompatibleUiMode
         ? tabWidget
         : Obx(
             () => DragToResizeArea(
diff --git a/flutter/lib/desktop/pages/file_manager_page.dart b/flutter/lib/desktop/pages/file_manager_page.dart
index c8cb7c935..badb68a84 100644
--- a/flutter/lib/desktop/pages/file_manager_page.dart
+++ b/flutter/lib/desktop/pages/file_manager_page.dart
@@ -567,161 +567,187 @@ class _FileManagerPageState extends State<FileManagerPage>
     return false;
   }
 
+  Widget generateCard(Widget child) {
+    return Container(
+      decoration: BoxDecoration(
+        color: Theme.of(context).cardColor,
+        borderRadius: BorderRadius.all(
+          Radius.circular(15.0),
+        ),
+      ),
+      child: child,
+    );
+  }
+
   /// transfer status list
   /// watch transfer status
   Widget statusList() {
     return PreferredSize(
-        preferredSize: const Size(200, double.infinity),
+      preferredSize: const Size(200, double.infinity),
+      child: Container(
+        margin: const EdgeInsets.only(top: 16.0, bottom: 16.0, right: 16.0),
+        padding: const EdgeInsets.all(8.0),
         child: model.jobTable.isEmpty
-            ? Center(child: Text(translate("Empty")))
-            : Container(
-                margin:
-                    const EdgeInsets.only(top: 16.0, bottom: 16.0, right: 16.0),
-                padding: const EdgeInsets.all(8.0),
-                child: Obx(
-                  () => ListView.builder(
-                    controller: ScrollController(),
-                    itemBuilder: (BuildContext context, int index) {
-                      final item = model.jobTable[index];
-                      return Padding(
-                        padding: const EdgeInsets.only(bottom: 5),
-                        child: Container(
-                          decoration: BoxDecoration(
-                            color: Theme.of(context).cardColor,
-                            borderRadius: BorderRadius.all(
-                              Radius.circular(15.0),
-                            ),
-                          ),
-                          child: Column(
-                            mainAxisSize: MainAxisSize.min,
-                            children: [
-                              Row(
-                                crossAxisAlignment: CrossAxisAlignment.center,
-                                children: [
-                                  Transform.rotate(
-                                    angle: item.isRemote ? pi : 0,
-                                    child: SvgPicture.asset(
-                                      "assets/arrow.svg",
-                                      color: Theme.of(context)
-                                          .tabBarTheme
-                                          .labelColor,
-                                    ),
-                                  ).paddingOnly(left: 15),
-                                  const SizedBox(
-                                    width: 16.0,
+            ? generateCard(
+                Center(
+                  child: Column(
+                    mainAxisAlignment: MainAxisAlignment.center,
+                    children: [
+                      SvgPicture.asset(
+                        "assets/transfer.svg",
+                        color: Theme.of(context).tabBarTheme.labelColor,
+                        height: 40,
+                      ).paddingOnly(bottom: 10),
+                      Text(
+                        translate("No transfers in progress"),
+                        textAlign: TextAlign.center,
+                        textScaleFactor: 1.20,
+                        style: TextStyle(
+                            color: Theme.of(context).tabBarTheme.labelColor),
+                      ),
+                    ],
+                  ),
+                ),
+              )
+            : Obx(
+                () => ListView.builder(
+                  controller: ScrollController(),
+                  itemBuilder: (BuildContext context, int index) {
+                    final item = model.jobTable[index];
+                    return Padding(
+                      padding: const EdgeInsets.only(bottom: 5),
+                      child: generateCard(
+                        Column(
+                          mainAxisSize: MainAxisSize.min,
+                          children: [
+                            Row(
+                              crossAxisAlignment: CrossAxisAlignment.center,
+                              children: [
+                                Transform.rotate(
+                                  angle: item.isRemote ? pi : 0,
+                                  child: SvgPicture.asset(
+                                    "assets/arrow.svg",
+                                    color: Theme.of(context)
+                                        .tabBarTheme
+                                        .labelColor,
                                   ),
-                                  Expanded(
-                                    child: Column(
-                                      mainAxisSize: MainAxisSize.min,
-                                      crossAxisAlignment:
-                                          CrossAxisAlignment.start,
-                                      children: [
-                                        Tooltip(
-                                          waitDuration:
-                                              Duration(milliseconds: 500),
-                                          message: item.jobName,
-                                          child: Text(
-                                            item.jobName,
-                                            maxLines: 1,
-                                            overflow: TextOverflow.ellipsis,
-                                          ).paddingSymmetric(vertical: 10),
+                                ).paddingOnly(left: 15),
+                                const SizedBox(
+                                  width: 16.0,
+                                ),
+                                Expanded(
+                                  child: Column(
+                                    mainAxisSize: MainAxisSize.min,
+                                    crossAxisAlignment:
+                                        CrossAxisAlignment.start,
+                                    children: [
+                                      Tooltip(
+                                        waitDuration:
+                                            Duration(milliseconds: 500),
+                                        message: item.jobName,
+                                        child: Text(
+                                          item.jobName,
+                                          maxLines: 1,
+                                          overflow: TextOverflow.ellipsis,
+                                        ).paddingSymmetric(vertical: 10),
+                                      ),
+                                      Text(
+                                        '${translate("Total")} ${readableFileSize(item.totalSize.toDouble())}',
+                                        style: TextStyle(
+                                          fontSize: 12,
+                                          color: MyTheme.darkGray,
                                         ),
-                                        Text(
-                                          '${translate("Total")} ${readableFileSize(item.totalSize.toDouble())}',
+                                      ),
+                                      Offstage(
+                                        offstage:
+                                            item.state != JobState.inProgress,
+                                        child: Text(
+                                          '${translate("Speed")} ${readableFileSize(item.speed)}/s',
                                           style: TextStyle(
                                             fontSize: 12,
                                             color: MyTheme.darkGray,
                                           ),
                                         ),
-                                        Offstage(
-                                          offstage:
-                                              item.state != JobState.inProgress,
-                                          child: Text(
-                                            '${translate("Speed")} ${readableFileSize(item.speed)}/s',
-                                            style: TextStyle(
-                                              fontSize: 12,
-                                              color: MyTheme.darkGray,
-                                            ),
-                                          ),
-                                        ),
-                                        Offstage(
-                                          offstage:
-                                              item.state == JobState.inProgress,
-                                          child: Text(
-                                            translate(
-                                              item.display(),
-                                            ),
-                                            style: TextStyle(
-                                              fontSize: 12,
-                                              color: MyTheme.darkGray,
-                                            ),
-                                          ),
-                                        ),
-                                        Offstage(
-                                          offstage:
-                                              item.state != JobState.inProgress,
-                                          child: LinearPercentIndicator(
-                                            padding: EdgeInsets.only(right: 15),
-                                            animateFromLastPercent: true,
-                                            center: Text(
-                                              '${(item.finishedSize / item.totalSize * 100).toStringAsFixed(0)}%',
-                                            ),
-                                            barRadius: Radius.circular(15),
-                                            percent: item.finishedSize /
-                                                item.totalSize,
-                                            progressColor: MyTheme.accent,
-                                            backgroundColor:
-                                                Theme.of(context).hoverColor,
-                                            lineHeight:
-                                                kDesktopFileTransferRowHeight,
-                                          ).paddingSymmetric(vertical: 15),
-                                        ),
-                                      ],
-                                    ),
-                                  ),
-                                  Row(
-                                    mainAxisAlignment: MainAxisAlignment.end,
-                                    children: [
+                                      ),
                                       Offstage(
-                                        offstage: item.state != JobState.paused,
-                                        child: MenuButton(
-                                          onPressed: () {
-                                            model.resumeJob(item.id);
-                                          },
-                                          child: SvgPicture.asset(
-                                            "assets/refresh.svg",
-                                            color: Colors.white,
+                                        offstage:
+                                            item.state == JobState.inProgress,
+                                        child: Text(
+                                          translate(
+                                            item.display(),
+                                          ),
+                                          style: TextStyle(
+                                            fontSize: 12,
+                                            color: MyTheme.darkGray,
                                           ),
-                                          color: MyTheme.accent,
-                                          hoverColor: MyTheme.accent80,
                                         ),
                                       ),
-                                      MenuButton(
-                                        padding: EdgeInsets.only(right: 15),
-                                        child: SvgPicture.asset(
-                                          "assets/close.svg",
-                                          color: Colors.white,
-                                        ),
-                                        onPressed: () {
-                                          model.jobTable.removeAt(index);
-                                          model.cancelJob(item.id);
-                                        },
-                                        color: MyTheme.accent,
-                                        hoverColor: MyTheme.accent80,
+                                      Offstage(
+                                        offstage:
+                                            item.state != JobState.inProgress,
+                                        child: LinearPercentIndicator(
+                                          padding: EdgeInsets.only(right: 15),
+                                          animateFromLastPercent: true,
+                                          center: Text(
+                                            '${(item.finishedSize / item.totalSize * 100).toStringAsFixed(0)}%',
+                                          ),
+                                          barRadius: Radius.circular(15),
+                                          percent: item.finishedSize /
+                                              item.totalSize,
+                                          progressColor: MyTheme.accent,
+                                          backgroundColor:
+                                              Theme.of(context).hoverColor,
+                                          lineHeight:
+                                              kDesktopFileTransferRowHeight,
+                                        ).paddingSymmetric(vertical: 15),
                                       ),
                                     ],
                                   ),
-                                ],
-                              ),
-                            ],
-                          ).paddingSymmetric(vertical: 10),
-                        ),
-                      );
-                    },
-                    itemCount: model.jobTable.length,
-                  ),
+                                ),
+                                Row(
+                                  mainAxisAlignment: MainAxisAlignment.end,
+                                  children: [
+                                    Offstage(
+                                      offstage: item.state != JobState.paused,
+                                      child: MenuButton(
+                                        onPressed: () {
+                                          model.resumeJob(item.id);
+                                        },
+                                        child: SvgPicture.asset(
+                                          "assets/refresh.svg",
+                                          color: Colors.white,
+                                        ),
+                                        color: MyTheme.accent,
+                                        hoverColor: MyTheme.accent80,
+                                      ),
+                                    ),
+                                    MenuButton(
+                                      padding: EdgeInsets.only(right: 15),
+                                      child: SvgPicture.asset(
+                                        "assets/close.svg",
+                                        color: Colors.white,
+                                      ),
+                                      onPressed: () {
+                                        model.jobTable.removeAt(index);
+                                        model.cancelJob(item.id);
+                                      },
+                                      color: MyTheme.accent,
+                                      hoverColor: MyTheme.accent80,
+                                    ),
+                                  ],
+                                ),
+                              ],
+                            ),
+                          ],
+                        ).paddingSymmetric(vertical: 10),
+                      ),
+                    );
+                  },
+                  itemCount: model.jobTable.length,
                 ),
-              ));
+              ),
+      ),
+    );
   }
 
   Widget headTools(bool isLocal) {
@@ -1028,7 +1054,9 @@ class _FileManagerPageState extends State<FileManagerPage>
                         textAlign: TextAlign.right,
                         style: TextStyle(
                           color: selectedItems.length == 0
-                              ? MyTheme.darkGray
+                              ? Theme.of(context).brightness == Brightness.light
+                                  ? MyTheme.grayBg
+                                  : MyTheme.darkGray
                               : Colors.white,
                         ),
                       )
@@ -1037,7 +1065,9 @@ class _FileManagerPageState extends State<FileManagerPage>
                         child: SvgPicture.asset(
                           "assets/arrow.svg",
                           color: selectedItems.length == 0
-                              ? MyTheme.darkGray
+                              ? Theme.of(context).brightness == Brightness.light
+                                  ? MyTheme.grayBg
+                                  : MyTheme.darkGray
                               : Colors.white,
                           alignment: Alignment.bottomRight,
                         ),
@@ -1046,14 +1076,18 @@ class _FileManagerPageState extends State<FileManagerPage>
                     ? SvgPicture.asset(
                         "assets/arrow.svg",
                         color: selectedItems.length == 0
-                            ? MyTheme.darkGray
+                            ? Theme.of(context).brightness == Brightness.light
+                                ? MyTheme.grayBg
+                                : MyTheme.darkGray
                             : Colors.white,
                       )
                     : Text(
                         translate('Receive'),
                         style: TextStyle(
                           color: selectedItems.length == 0
-                              ? MyTheme.darkGray
+                              ? Theme.of(context).brightness == Brightness.light
+                                  ? MyTheme.grayBg
+                                  : MyTheme.darkGray
                               : Colors.white,
                         ),
                       ),
diff --git a/flutter/lib/desktop/pages/file_manager_tab_page.dart b/flutter/lib/desktop/pages/file_manager_tab_page.dart
index 148d928d9..39958e88e 100644
--- a/flutter/lib/desktop/pages/file_manager_tab_page.dart
+++ b/flutter/lib/desktop/pages/file_manager_tab_page.dart
@@ -98,7 +98,7 @@ class _FileManagerTabPageState extends State<FileManagerTabPage> {
             labelGetter: DesktopTab.labelGetterAlias,
           )),
     );
-    return Platform.isMacOS
+    return Platform.isMacOS || kUseCompatibleUiMode
         ? tabWidget
         : SubWindowDragToResizeArea(
             child: tabWidget,
diff --git a/flutter/lib/desktop/pages/install_page.dart b/flutter/lib/desktop/pages/install_page.dart
index e7bb28813..d7202e300 100644
--- a/flutter/lib/desktop/pages/install_page.dart
+++ b/flutter/lib/desktop/pages/install_page.dart
@@ -46,15 +46,19 @@ class _InstallPageState extends State<InstallPage> with WindowListener {
     final double em = 13;
     final btnFontSize = 0.9 * em;
     final double button_radius = 6;
+    final isDarkTheme = MyTheme.currentThemeMode() == ThemeMode.dark;
     final buttonStyle = OutlinedButton.styleFrom(
         shape: RoundedRectangleBorder(
       borderRadius: BorderRadius.all(Radius.circular(button_radius)),
     ));
     final inputBorder = OutlineInputBorder(
         borderRadius: BorderRadius.zero,
-        borderSide: BorderSide(color: Colors.black12));
+        borderSide:
+            BorderSide(color: isDarkTheme ? Colors.white70 : Colors.black12));
+    final textColor = isDarkTheme ? null : Colors.black87;
+    final dividerColor = isDarkTheme ? Colors.white70 : Colors.black87;
     return Scaffold(
-        backgroundColor: Colors.white,
+        backgroundColor: null,
         body: SingleChildScrollView(
           child: Column(
             children: [
@@ -91,8 +95,7 @@ class _InstallPageState extends State<InstallPage> with WindowListener {
                           style: buttonStyle,
                           child: Text(translate('Change Path'),
                               style: TextStyle(
-                                  color: Colors.black87,
-                                  fontSize: btnFontSize)))
+                                  color: textColor, fontSize: btnFontSize)))
                       .marginOnly(left: em))
                 ],
               ).marginSymmetric(vertical: 2 * em),
@@ -127,8 +130,7 @@ class _InstallPageState extends State<InstallPage> with WindowListener {
                   )).marginOnly(top: 2 * em),
               Row(children: [Text(translate('agreement_tip'))])
                   .marginOnly(top: em),
-              Divider(color: Colors.black87)
-                  .marginSymmetric(vertical: 0.5 * em),
+              Divider(color: dividerColor).marginSymmetric(vertical: 0.5 * em),
               Row(
                 children: [
                   Expanded(
@@ -143,8 +145,7 @@ class _InstallPageState extends State<InstallPage> with WindowListener {
                           style: buttonStyle,
                           child: Text(translate('Cancel'),
                               style: TextStyle(
-                                  color: Colors.black87,
-                                  fontSize: btnFontSize)))
+                                  color: textColor, fontSize: btnFontSize)))
                       .marginOnly(right: 2 * em)),
                   Obx(() => ElevatedButton(
                       onPressed: btnEnabled.value ? install : null,
@@ -167,8 +168,7 @@ class _InstallPageState extends State<InstallPage> with WindowListener {
                             style: buttonStyle,
                             child: Text(translate('Run without install'),
                                 style: TextStyle(
-                                    color: Colors.black87,
-                                    fontSize: btnFontSize)))
+                                    color: textColor, fontSize: btnFontSize)))
                         .marginOnly(left: 2 * em)),
                   ),
                 ],
diff --git a/flutter/lib/desktop/pages/port_forward_tab_page.dart b/flutter/lib/desktop/pages/port_forward_tab_page.dart
index f2d75d00f..32f02c9b7 100644
--- a/flutter/lib/desktop/pages/port_forward_tab_page.dart
+++ b/flutter/lib/desktop/pages/port_forward_tab_page.dart
@@ -107,13 +107,15 @@ class _PortForwardTabPageState extends State<PortForwardTabPage> {
             labelGetter: DesktopTab.labelGetterAlias,
           )),
     );
-    return Platform.isMacOS
+    return Platform.isMacOS || kUseCompatibleUiMode
         ? tabWidget
-        : SubWindowDragToResizeArea(
-            child: tabWidget,
-            resizeEdgeSize: stateGlobal.resizeEdgeSize.value,
-            windowId: stateGlobal.windowId,
-          );
+        : Obx(
+          () => SubWindowDragToResizeArea(
+              child: tabWidget,
+              resizeEdgeSize: stateGlobal.resizeEdgeSize.value,
+              windowId: stateGlobal.windowId,
+            ),
+        );
   }
 
   void onRemoveId(String id) {
diff --git a/flutter/lib/desktop/pages/remote_tab_page.dart b/flutter/lib/desktop/pages/remote_tab_page.dart
index 0deb646c0..d810650fd 100644
--- a/flutter/lib/desktop/pages/remote_tab_page.dart
+++ b/flutter/lib/desktop/pages/remote_tab_page.dart
@@ -205,11 +205,13 @@ class _ConnectionTabPageState extends State<ConnectionTabPage> {
         ),
       ),
     );
-    return Platform.isMacOS
+    return Platform.isMacOS || kUseCompatibleUiMode
         ? tabWidget
         : Obx(() => SubWindowDragToResizeArea(
               key: contentKey,
               child: tabWidget,
+              // Specially configured for a better resize area and remote control.
+              childPadding: kDragToResizeAreaPadding,
               resizeEdgeSize: stateGlobal.resizeEdgeSize.value,
               windowId: stateGlobal.windowId,
             ));
diff --git a/flutter/lib/desktop/screen/desktop_remote_screen.dart b/flutter/lib/desktop/screen/desktop_remote_screen.dart
index bb6bc431b..64af41401 100644
--- a/flutter/lib/desktop/screen/desktop_remote_screen.dart
+++ b/flutter/lib/desktop/screen/desktop_remote_screen.dart
@@ -1,3 +1,5 @@
+import 'dart:io';
+
 import 'package:flutter/material.dart';
 import 'package:flutter_hbb/common.dart';
 import 'package:flutter_hbb/desktop/pages/remote_tab_page.dart';
@@ -26,6 +28,9 @@ class DesktopRemoteScreen extends StatelessWidget {
           ChangeNotifierProvider.value(value: gFFI.canvasModel),
         ],
         child: Scaffold(
+          // Set transparent background for padding the resize area out of the flutter view.
+          // This allows the wallpaper goes through our resize area. (Linux only now).
+          backgroundColor: Platform.isLinux ? Colors.transparent : null,
           body: ConnectionTabPage(
             params: params,
           ),
diff --git a/flutter/lib/desktop/widgets/menu_button.dart b/flutter/lib/desktop/widgets/menu_button.dart
index df2c48ab4..17b160fed 100644
--- a/flutter/lib/desktop/widgets/menu_button.dart
+++ b/flutter/lib/desktop/widgets/menu_button.dart
@@ -37,7 +37,7 @@ class _MenuButtonState extends State<MenuButton> {
         message: widget.tooltip,
         child: Material(
           type: MaterialType.transparency,
-          child: Ink(
+          child: Container(
             decoration: BoxDecoration(
               borderRadius: BorderRadius.circular(_borderRadius),
               color: _isHover ? widget.hoverColor : widget.color,
diff --git a/flutter/lib/desktop/widgets/remote_menubar.dart b/flutter/lib/desktop/widgets/remote_menubar.dart
index 329df4e19..73aa49fbc 100644
--- a/flutter/lib/desktop/widgets/remote_menubar.dart
+++ b/flutter/lib/desktop/widgets/remote_menubar.dart
@@ -23,6 +23,10 @@ import '../../common/shared_state.dart';
 import './popup_menu.dart';
 import './kb_layout_type_chooser.dart';
 
+const _kKeyLegacyMode = 'legacy';
+const _kKeyMapMode = 'map';
+const _kKeyTranslateMode = 'translate';
+
 class MenubarState {
   final kStoreKey = 'remoteMenubarState';
   late RxBool show;
@@ -598,6 +602,7 @@ class _ControlMenu extends StatelessWidget {
         hoverColor: _MenubarTheme.hoverBlueColor,
         ffi: ffi,
         menuChildren: [
+          requestElevation(),
           osPassword(),
           transferFile(context),
           tcpTunneling(context),
@@ -605,12 +610,22 @@ class _ControlMenu extends StatelessWidget {
           Divider(),
           ctrlAltDel(),
           restart(),
+          insertLock(),
           blockUserInput(),
           switchSides(),
           refresh(),
         ]);
   }
 
+  requestElevation() {
+    final visible = ffi.elevationModel.showRequestMenu;
+    if (!visible) return Offstage();
+    return _MenuItemButton(
+        child: Text(translate('Request Elevation')),
+        ffi: ffi,
+        onPressed: () => showRequestElevationDialog(id, ffi.dialogManager));
+  }
+
   osPassword() {
     return _MenuItemButton(
         child: Text(translate('OS Password')),
@@ -779,6 +794,16 @@ class _ControlMenu extends StatelessWidget {
         onPressed: () => showRestartRemoteDevice(pi, id, ffi.dialogManager));
   }
 
+  insertLock() {
+    final perms = ffi.ffiModel.permissions;
+    final visible = perms['keyboard'] != false;
+    if (!visible) return Offstage();
+    return _MenuItemButton(
+        child: Text(translate('Insert Lock')),
+        ffi: ffi,
+        onPressed: () => bind.sessionLockScreen(id: id));
+  }
+
   blockUserInput() {
     final perms = ffi.ffiModel.permissions;
     final pi = ffi.ffiModel.pi;
@@ -1092,7 +1117,8 @@ class _DisplayMenuState extends State<_DisplayMenu> {
         await bind.sessionSetImageQuality(id: widget.id, value: value);
       }
 
-      return SubmenuButton(
+      return _SubmenuButton(
+        ffi: widget.ffi,
         child: Text(translate('Image Quality')),
         menuChildren: [
           _RadioMenuButton<String>(
@@ -1126,7 +1152,7 @@ class _DisplayMenuState extends State<_DisplayMenu> {
             },
             ffi: widget.ffi,
           ),
-        ].map((e) => _buildPointerTrackWidget(e, widget.ffi)).toList(),
+        ],
       );
     });
   }
@@ -1301,7 +1327,8 @@ class _DisplayMenuState extends State<_DisplayMenu> {
         bind.sessionChangePreferCodec(id: widget.id);
       }
 
-      return SubmenuButton(
+      return _SubmenuButton(
+          ffi: widget.ffi,
           child: Text(translate('Codec')),
           menuChildren: [
             _RadioMenuButton<String>(
@@ -1332,7 +1359,7 @@ class _DisplayMenuState extends State<_DisplayMenu> {
               onChanged: onChanged,
               ffi: widget.ffi,
             ),
-          ].map((e) => _buildPointerTrackWidget(e, widget.ffi)).toList());
+          ]);
     });
   }
 
@@ -1364,7 +1391,8 @@ class _DisplayMenuState extends State<_DisplayMenu> {
       }
     }
 
-    return SubmenuButton(
+    return _SubmenuButton(
+        ffi: widget.ffi,
         menuChildren: resolutions
             .map((e) => _RadioMenuButton(
                 value: '${e.width}x${e.height}',
@@ -1372,8 +1400,6 @@ class _DisplayMenuState extends State<_DisplayMenu> {
                 onChanged: onChanged,
                 ffi: widget.ffi,
                 child: Text('${e.width}x${e.height}')))
-            .toList()
-            .map((e) => _buildPointerTrackWidget(e, widget.ffi))
             .toList(),
         child: Text(translate("Resolution")));
   }
@@ -1534,11 +1560,16 @@ class _KeyboardMenu extends StatelessWidget {
 
   @override
   Widget build(BuildContext context) {
-    var ffiModel = Provider.of<FfiModel>(context);
-    if (ffiModel.permissions['keyboard'] == false) return Offstage();
-    // Do not support peer 1.1.9.
+    // Do not check permission here?
+    // var ffiModel = Provider.of<FfiModel>(context);
+    // if (ffiModel.permissions['keyboard'] == false) return Offstage();
     if (stateGlobal.grabKeyboard) {
-      bind.sessionSetKeyboardMode(id: id, value: 'map');
+      if (bind.sessionIsKeyboardModeSupported(id: id, mode: _kKeyMapMode)) {
+        bind.sessionSetKeyboardMode(id: id, value: _kKeyMapMode);
+      } else if (bind.sessionIsKeyboardModeSupported(
+          id: id, mode: _kKeyLegacyMode)) {
+        bind.sessionSetKeyboardMode(id: id, value: _kKeyLegacyMode);
+      }
       return Offstage();
     }
     return _IconSubmenuButton(
@@ -1551,13 +1582,13 @@ class _KeyboardMenu extends StatelessWidget {
 
   mode() {
     return futureBuilder(future: () async {
-      return await bind.sessionGetKeyboardMode(id: id) ?? 'legacy';
+      return await bind.sessionGetKeyboardMode(id: id) ?? _kKeyLegacyMode;
     }(), hasData: (data) {
       final groupValue = data as String;
       List<KeyboardModeMenu> modes = [
-        KeyboardModeMenu(key: 'legacy', menu: 'Legacy mode'),
-        KeyboardModeMenu(key: 'map', menu: 'Map mode'),
-        KeyboardModeMenu(key: 'translate', menu: 'Translate mode'),
+        KeyboardModeMenu(key: _kKeyLegacyMode, menu: 'Legacy mode'),
+        KeyboardModeMenu(key: _kKeyMapMode, menu: 'Map mode'),
+        KeyboardModeMenu(key: _kKeyTranslateMode, menu: 'Translate mode'),
       ];
       List<_RadioMenuButton> list = [];
       onChanged(String? value) async {
@@ -1567,13 +1598,13 @@ class _KeyboardMenu extends StatelessWidget {
 
       for (KeyboardModeMenu mode in modes) {
         if (bind.sessionIsKeyboardModeSupported(id: id, mode: mode.key)) {
-          if (mode.key == 'translate') {
+          if (mode.key == _kKeyTranslateMode) {
             if (Platform.isLinux || pi.platform == kPeerPlatformLinux) {
               continue;
             }
           }
           var text = translate(mode.menu);
-          if (mode.key == 'translate') {
+          if (mode.key == _kKeyTranslateMode) {
             text = '$text beta';
           }
           list.add(_RadioMenuButton<String>(
@@ -1877,6 +1908,28 @@ class _IconSubmenuButtonState extends State<_IconSubmenuButton> {
   }
 }
 
+class _SubmenuButton extends StatelessWidget {
+  final List<Widget> menuChildren;
+  final Widget? child;
+  final FFI ffi;
+  const _SubmenuButton({
+    Key? key,
+    required this.menuChildren,
+    required this.child,
+    required this.ffi,
+  }) : super(key: key);
+
+  @override
+  Widget build(BuildContext context) {
+    return SubmenuButton(
+      key: key,
+      child: child,
+      menuChildren:
+          menuChildren.map((e) => _buildPointerTrackWidget(e, ffi)).toList(),
+    );
+  }
+}
+
 class _MenuItemButton extends StatelessWidget {
   final VoidCallback? onPressed;
   final Widget? trailingIcon;
diff --git a/flutter/lib/desktop/widgets/tabbar_widget.dart b/flutter/lib/desktop/widgets/tabbar_widget.dart
index ee3aaaf2c..958c4c035 100644
--- a/flutter/lib/desktop/widgets/tabbar_widget.dart
+++ b/flutter/lib/desktop/widgets/tabbar_widget.dart
@@ -523,12 +523,18 @@ class WindowActionPanelState extends State<WindowActionPanel>
     super.dispose();
   }
 
+  void _setMaximize(bool maximize) {
+     stateGlobal.setMaximize(maximize);
+     setState(() {});
+  }
+
   @override
   void onWindowMaximize() {
     // catch maximize from system
     if (!widget.isMaximized.value) {
       widget.isMaximized.value = true;
     }
+    _setMaximize(true);
     super.onWindowMaximize();
   }
 
@@ -538,6 +544,7 @@ class WindowActionPanelState extends State<WindowActionPanel>
     if (widget.isMaximized.value) {
       widget.isMaximized.value = false;
     }
+    _setMaximize(false);
     super.onWindowUnmaximize();
   }
 
diff --git a/flutter/lib/main.dart b/flutter/lib/main.dart
index c61287d4f..baf7193b3 100644
--- a/flutter/lib/main.dart
+++ b/flutter/lib/main.dart
@@ -291,7 +291,7 @@ void _runApp(
 void runInstallPage() async {
   await windowManager.ensureInitialized();
   await initEnv(kAppTypeMain);
-  _runApp('', const InstallPage(), ThemeMode.light);
+  _runApp('', const InstallPage(), MyTheme.currentThemeMode());
   windowManager.waitUntilReadyToShow(
       WindowOptions(size: Size(800, 600), center: true), () async {
     windowManager.show();
diff --git a/flutter/lib/mobile/widgets/dialog.dart b/flutter/lib/mobile/widgets/dialog.dart
index 7e9a9879c..931999382 100644
--- a/flutter/lib/mobile/widgets/dialog.dart
+++ b/flutter/lib/mobile/widgets/dialog.dart
@@ -374,8 +374,7 @@ void showWaitUacDialog(
           ));
 }
 
-void _showRequestElevationDialog(
-    String id, OverlayDialogManager dialogManager) {
+void showRequestElevationDialog(String id, OverlayDialogManager dialogManager) {
   RxString groupValue = ''.obs;
   RxString errUser = ''.obs;
   RxString errPwd = ''.obs;
@@ -531,7 +530,7 @@ void showOnBlockDialog(
   dialogManager.show(tag: '$id-$type', (setState, close) {
     void submit() {
       close();
-      _showRequestElevationDialog(id, dialogManager);
+      showRequestElevationDialog(id, dialogManager);
     }
 
     return CustomAlertDialog(
@@ -553,7 +552,7 @@ void showElevationError(String id, String type, String title, String text,
   dialogManager.show(tag: '$id-$type', (setState, close) {
     void submit() {
       close();
-      _showRequestElevationDialog(id, dialogManager);
+      showRequestElevationDialog(id, dialogManager);
     }
 
     return CustomAlertDialog(
diff --git a/flutter/lib/models/input_model.dart b/flutter/lib/models/input_model.dart
index 9a5b06b14..b91453138 100644
--- a/flutter/lib/models/input_model.dart
+++ b/flutter/lib/models/input_model.dart
@@ -459,17 +459,22 @@ class InputModel {
     }
     evt['type'] = type;
     if (isDesktop) {
-      y = y - stateGlobal.tabBarHeight;
+      y = y - stateGlobal.tabBarHeight - stateGlobal.windowBorderWidth.value;
+      x -= stateGlobal.windowBorderWidth.value;
     }
     final canvasModel = parent.target!.canvasModel;
+    final nearThr = 3;
+    var nearRight = (canvasModel.size.width - x) < nearThr;
+    var nearBottom = (canvasModel.size.height - y) < nearThr;
+
     final ffiModel = parent.target!.ffiModel;
     if (isMove) {
       canvasModel.moveDesktopMouse(x, y);
     }
     final d = ffiModel.display;
+    final imageWidth = d.width * canvasModel.scale;
+    final imageHeight = d.height * canvasModel.scale;
     if (canvasModel.scrollStyle == ScrollStyle.scrollbar) {
-      final imageWidth = d.width * canvasModel.scale;
-      final imageHeight = d.height * canvasModel.scale;
       x += imageWidth * canvasModel.scrollX;
       y += imageHeight * canvasModel.scrollY;
 
@@ -487,10 +492,32 @@ class InputModel {
 
     x /= canvasModel.scale;
     y /= canvasModel.scale;
+    if (canvasModel.scale > 0 && canvasModel.scale < 1) {
+      final step = 1.0 / canvasModel.scale - 1;
+      if (nearRight) {
+        x += step;
+      }
+      if (nearBottom) {
+        y += step;
+      }
+    }
     x += d.x;
     y += d.y;
+    var evtX = 0;
+    var evtY = 0;
+    try {
+      evtX = x.round();
+      evtY = y.round();
+    } catch (e) {
+      debugPrintStack(
+          label: 'canvasModel.scale value ${canvasModel.scale}, $e');
+      return;
+    }
 
-    if (x < d.x || y < d.y || x > (d.x + d.width) || y > (d.y + d.height)) {
+    if (evtX < d.x ||
+        evtY < d.y ||
+        evtX > (d.x + d.width) ||
+        evtY > (d.y + d.height)) {
       // If left mouse up, no early return.
       if (evt['buttons'] != kPrimaryMouseButton || type != 'up') {
         return;
@@ -498,12 +525,12 @@ class InputModel {
     }
 
     if (type != '') {
-      x = 0;
-      y = 0;
+      evtX = 0;
+      evtY = 0;
     }
 
-    evt['x'] = '${x.round()}';
-    evt['y'] = '${y.round()}';
+    evt['x'] = '$evtX';
+    evt['y'] = '$evtY';
     var buttons = '';
     switch (evt['buttons']) {
       case kPrimaryMouseButton:
diff --git a/flutter/lib/models/model.dart b/flutter/lib/models/model.dart
index f4efe2f08..cea6785fc 100644
--- a/flutter/lib/models/model.dart
+++ b/flutter/lib/models/model.dart
@@ -156,7 +156,7 @@ class FfiModel with ChangeNotifier {
       } else if (name == 'clipboard') {
         Clipboard.setData(ClipboardData(text: evt['content']));
       } else if (name == 'permission') {
-        parent.target?.ffiModel.updatePermission(evt, peerId);
+        updatePermission(evt, peerId);
       } else if (name == 'chat_client_mode') {
         parent.target?.chatModel
             .receive(ChatModel.clientModeID, evt['text'] ?? '');
@@ -203,6 +203,8 @@ class FfiModel with ChangeNotifier {
         final peer_id = evt['peer_id'].toString();
         await bind.sessionSwitchSides(id: peer_id);
         closeConnection(id: peer_id);
+      } else if (name == 'portable_service_running') {
+        parent.target?.elevationModel.onPortableServiceRunning(evt);
       } else if (name == "on_url_scheme_received") {
         final url = evt['url'].toString();
         parseRustdeskUri(url);
@@ -239,36 +241,33 @@ class FfiModel with ChangeNotifier {
     }
   }
 
-  handleSwitchDisplay(Map<String, dynamic> evt, String peerId) {
-    final oldOrientation = _display.width > _display.height;
-    var old = _pi.currentDisplay;
-    _pi.currentDisplay = int.parse(evt['display']);
-    _display.x = double.parse(evt['x']);
-    _display.y = double.parse(evt['y']);
-    _display.width = int.parse(evt['width']);
-    _display.height = int.parse(evt['height']);
-    _display.cursorEmbedded = int.parse(evt['cursor_embedded']) == 1;
-    if (old != _pi.currentDisplay) {
-      parent.target?.cursorModel.updateDisplayOrigin(_display.x, _display.y);
+  _updateCurDisplay(String peerId, Display newDisplay) {
+    if (newDisplay != _display) {
+      if (newDisplay.x != _display.x || newDisplay.y != _display.y) {
+        parent.target?.cursorModel
+            .updateDisplayOrigin(newDisplay.x, newDisplay.y);
+      }
+      _display = newDisplay;
+      _updateSessionWidthHeight(peerId);
     }
+  }
 
-    _updateSessionWidthHeight(peerId, display.width, display.height);
+  handleSwitchDisplay(Map<String, dynamic> evt, String peerId) {
+    _pi.currentDisplay = int.parse(evt['display']);
+    var newDisplay = Display();
+    newDisplay.x = double.parse(evt['x']);
+    newDisplay.y = double.parse(evt['y']);
+    newDisplay.width = int.parse(evt['width']);
+    newDisplay.height = int.parse(evt['height']);
+    newDisplay.cursorEmbedded = int.parse(evt['cursor_embedded']) == 1;
+
+    _updateCurDisplay(peerId, newDisplay);
 
     try {
       CurrentDisplayState.find(peerId).value = _pi.currentDisplay;
     } catch (e) {
       //
     }
-
-    // remote is mobile, and orientation changed
-    if ((_display.width > _display.height) != oldOrientation) {
-      gFFI.canvasModel.updateViewStyle();
-    }
-    if (_pi.platform == kPeerPlatformLinux ||
-        _pi.platform == kPeerPlatformWindows ||
-        _pi.platform == kPeerPlatformMacOS) {
-      parent.target?.canvasModel.updateViewStyle();
-    }
     parent.target?.recordingModel.onSwitchDisplay();
     handleResolutions(peerId, evt["resolutions"]);
     notifyListeners();
@@ -370,7 +369,8 @@ class FfiModel with ChangeNotifier {
     });
   }
 
-  _updateSessionWidthHeight(String id, int width, int height) {
+  _updateSessionWidthHeight(String id) {
+    parent.target?.canvasModel.updateViewStyle();
     bind.sessionSetSize(id: id, width: display.width, height: display.height);
   }
 
@@ -427,7 +427,7 @@ class FfiModel with ChangeNotifier {
       stateGlobal.displaysCount.value = _pi.displays.length;
       if (_pi.currentDisplay < _pi.displays.length) {
         _display = _pi.displays[_pi.currentDisplay];
-        _updateSessionWidthHeight(peerId, display.width, display.height);
+        _updateSessionWidthHeight(peerId);
       }
       if (displays.isNotEmpty) {
         parent.target?.dialogManager.showLoading(
@@ -439,6 +439,7 @@ class FfiModel with ChangeNotifier {
       Map<String, dynamic> features = json.decode(evt['features']);
       _pi.features.privacyMode = features['privacy_mode'] == 1;
       handleResolutions(peerId, evt["resolutions"]);
+      parent.target?.elevationModel.onPeerInfo(_pi);
     }
     notifyListeners();
   }
@@ -485,7 +486,7 @@ class FfiModel with ChangeNotifier {
       _pi.displays = newDisplays;
       stateGlobal.displaysCount.value = _pi.displays.length;
       if (_pi.currentDisplay >= 0 && _pi.currentDisplay < _pi.displays.length) {
-        _display = _pi.displays[_pi.currentDisplay];
+        _updateCurDisplay(peerId, _pi.displays[_pi.currentDisplay]);
       }
     }
     notifyListeners();
@@ -616,13 +617,28 @@ class ViewStyle {
   final int displayWidth;
   final int displayHeight;
   ViewStyle({
-    this.style = '',
-    this.width = 0.0,
-    this.height = 0.0,
-    this.displayWidth = 0,
-    this.displayHeight = 0,
+    required this.style,
+    required this.width,
+    required this.height,
+    required this.displayWidth,
+    required this.displayHeight,
   });
 
+  static defaultViewStyle() {
+    final desktop = (isDesktop || isWebDesktop);
+    final w =
+        desktop ? kDesktopDefaultDisplayWidth : kMobileDefaultDisplayWidth;
+    final h =
+        desktop ? kDesktopDefaultDisplayHeight : kMobileDefaultDisplayHeight;
+    return ViewStyle(
+      style: '',
+      width: w.toDouble(),
+      height: h.toDouble(),
+      displayWidth: w,
+      displayHeight: h,
+    );
+  }
+
   static int _double2Int(double v) => (v * 100).round().toInt();
 
   @override
@@ -651,9 +667,14 @@ class ViewStyle {
   double get scale {
     double s = 1.0;
     if (style == kRemoteViewStyleAdaptive) {
-      final s1 = width / displayWidth;
-      final s2 = height / displayHeight;
-      s = s1 < s2 ? s1 : s2;
+      if (width != 0 &&
+          height != 0 &&
+          displayWidth != 0 &&
+          displayHeight != 0) {
+        final s1 = width / displayWidth;
+        final s2 = height / displayHeight;
+        s = s1 < s2 ? s1 : s2;
+      }
     }
     return s;
   }
@@ -679,7 +700,7 @@ class CanvasModel with ChangeNotifier {
   // scroll offset y percent
   double _scrollY = 0.0;
   ScrollStyle _scrollStyle = ScrollStyle.scrollauto;
-  ViewStyle _lastViewStyle = ViewStyle();
+  ViewStyle _lastViewStyle = ViewStyle.defaultViewStyle();
 
   final _imageOverflow = false.obs;
 
@@ -710,8 +731,15 @@ class CanvasModel with ChangeNotifier {
     Size getSize() {
       final size = MediaQueryData.fromWindow(ui.window).size;
       // If minimized, w or h may be negative here.
-      double w = size.width - windowBorderWidth * 2;
-      double h = size.height - tabBarHeight - windowBorderWidth * 2;
+      double w = size.width -
+          windowBorderWidth * 2 -
+          kDragToResizeAreaPadding.left -
+          kDragToResizeAreaPadding.right;
+      double h = size.height -
+          tabBarHeight -
+          windowBorderWidth * 2 -
+          kDragToResizeAreaPadding.top -
+          kDragToResizeAreaPadding.bottom;
       return Size(w < 0 ? 0 : w, h < 0 ? 0 : h);
     }
 
@@ -789,17 +817,29 @@ class CanvasModel with ChangeNotifier {
   double get tabBarHeight => stateGlobal.tabBarHeight;
 
   moveDesktopMouse(double x, double y) {
+    if (size.width == 0 || size.height == 0) {
+      return;
+    }
+
     // On mobile platforms, move the canvas with the cursor.
     final dw = getDisplayWidth() * _scale;
     final dh = getDisplayHeight() * _scale;
     var dxOffset = 0;
     var dyOffset = 0;
-    if (dw > size.width) {
-      dxOffset = (x - dw * (x / size.width) - _x).toInt();
-    }
-    if (dh > size.height) {
-      dyOffset = (y - dh * (y / size.height) - _y).toInt();
+    try {
+      if (dw > size.width) {
+        dxOffset = (x - dw * (x / size.width) - _x).toInt();
+      }
+      if (dh > size.height) {
+        dyOffset = (y - dh * (y / size.height) - _y).toInt();
+      }
+    } catch (e) {
+      debugPrintStack(
+          label:
+              '(x,y) ($x,$y), (_x,_y) ($_x,$_y), _scale $_scale, display size (${getDisplayWidth()},${getDisplayHeight()}), size $size, , $e');
+      return;
     }
+
     _x += dxOffset;
     _y += dyOffset;
     if (dxOffset != 0 || dyOffset != 0) {
@@ -1395,6 +1435,21 @@ class RecordingModel with ChangeNotifier {
   }
 }
 
+class ElevationModel with ChangeNotifier {
+  WeakReference<FFI> parent;
+  ElevationModel(this.parent);
+  bool _running = false;
+  bool _canElevate = false;
+  bool get showRequestMenu => _canElevate && !_running;
+  onPeerInfo(PeerInfo pi) {
+    _canElevate = pi.platform == kPeerPlatformWindows && pi.sasEnabled == false;
+  }
+
+  onPortableServiceRunning(Map<String, dynamic> evt) {
+    _running = evt['running'] == 'true';
+  }
+}
+
 enum ConnType { defaultConn, fileTransfer, portForward, rdp }
 
 /// Flutter state manager and data communication with the Rust core.
@@ -1420,6 +1475,7 @@ class FFI {
   late final QualityMonitorModel qualityMonitorModel; // session
   late final RecordingModel recordingModel; // session
   late final InputModel inputModel; // session
+  late final ElevationModel elevationModel; // session
 
   FFI() {
     imageModel = ImageModel(WeakReference(this));
@@ -1436,6 +1492,7 @@ class FFI {
     qualityMonitorModel = QualityMonitorModel(WeakReference(this));
     recordingModel = RecordingModel(WeakReference(this));
     inputModel = InputModel(WeakReference(this));
+    elevationModel = ElevationModel(WeakReference(this));
   }
 
   /// Start with the given [id]. Only transfer file if [isFileTransfer], only port forward if [isPortForward].
@@ -1559,6 +1616,19 @@ class Display {
         ? kDesktopDefaultDisplayHeight
         : kMobileDefaultDisplayHeight;
   }
+
+  @override
+  bool operator ==(Object other) =>
+      other is Display &&
+      other.runtimeType == runtimeType &&
+      _innerEqual(other);
+
+  bool _innerEqual(Display other) =>
+      other.x == x &&
+      other.y == y &&
+      other.width == width &&
+      other.height == height &&
+      other.cursorEmbedded == cursorEmbedded;
 }
 
 class Resolution {
diff --git a/flutter/lib/models/state_model.dart b/flutter/lib/models/state_model.dart
index 761c95ded..aa4fab86e 100644
--- a/flutter/lib/models/state_model.dart
+++ b/flutter/lib/models/state_model.dart
@@ -9,8 +9,10 @@ import '../consts.dart';
 class StateGlobal {
   int _windowId = -1;
   bool _fullscreen = false;
+  bool _maximize = false;
   bool grabKeyboard = false;
   final RxBool _showTabBar = true.obs;
+  final RxBool _showResizeEdge = true.obs;
   final RxDouble _resizeEdgeSize = RxDouble(kWindowEdgeSize);
   final RxDouble _windowBorderWidth = RxDouble(kWindowBorderWidth);
   final RxBool showRemoteMenuBar = false.obs;
@@ -18,12 +20,20 @@ class StateGlobal {
 
   int get windowId => _windowId;
   bool get fullscreen => _fullscreen;
+  bool get maximize => _maximize;
   double get tabBarHeight => fullscreen ? 0 : kDesktopRemoteTabBarHeight;
   RxBool get showTabBar => _showTabBar;
   RxDouble get resizeEdgeSize => _resizeEdgeSize;
   RxDouble get windowBorderWidth => _windowBorderWidth;
 
   setWindowId(int id) => _windowId = id;
+  setMaximize(bool v) {
+    if (_maximize != v) {
+      _maximize = v;
+      _resizeEdgeSize.value =
+          _maximize ? kMaximizeEdgeSize : kWindowEdgeSize;
+    }
+  }
   setFullscreen(bool v) {
     if (_fullscreen != v) {
       _fullscreen = v;
diff --git a/flutter/pubspec.yaml b/flutter/pubspec.yaml
index 572b3e20a..8d390d370 100644
--- a/flutter/pubspec.yaml
+++ b/flutter/pubspec.yaml
@@ -59,7 +59,7 @@ dependencies:
   desktop_multi_window:
     git:
       url: https://github.com/Kingtous/rustdesk_desktop_multi_window
-      ref: f37357ed98a10717576eb9ed8413e92b2ec5d13a
+      ref: e383fffb5c4529c9e0a710f1025a0c590b99ee08
   freezed_annotation: ^2.0.3
   flutter_custom_cursor: ^0.0.4
   window_size:
@@ -76,7 +76,7 @@ dependencies:
   file_picker: ^5.1.0
   flutter_svg: ^1.1.5
   flutter_improved_scrolling:
-    # currently, we use flutter 3.0.5 for windows build, latest for other builds.
+    # currently, we use flutter 3.7.0+.
     #
     # for flutter 3.0.5, please use official version(just comment code below).
     # if build rustdesk by flutter >=3.3, please use our custom pub below (uncomment code below).
diff --git a/src/client/io_loop.rs b/src/client/io_loop.rs
index b51c481a5..1c7788193 100644
--- a/src/client/io_loop.rs
+++ b/src/client/io_loop.rs
@@ -56,6 +56,7 @@ pub struct Remote<T: InvokeUiSession> {
     data_count: Arc<AtomicUsize>,
     frame_count: Arc<AtomicUsize>,
     video_format: CodecFormat,
+    elevation_requested: bool,
 }
 
 impl<T: InvokeUiSession> Remote<T> {
@@ -87,6 +88,7 @@ impl<T: InvokeUiSession> Remote<T> {
             video_format: CodecFormat::Unknown,
             stop_voice_call_sender: None,
             voice_call_request_timestamp: None,
+            elevation_requested: false,
         }
     }
 
@@ -686,6 +688,7 @@ impl<T: InvokeUiSession> Remote<T> {
                 let mut msg = Message::new();
                 msg.set_misc(misc);
                 allow_err!(peer.send(&msg).await);
+                self.elevation_requested = true;
             }
             Data::ElevateWithLogon(username, password) => {
                 let mut request = ElevationRequest::new();
@@ -699,6 +702,7 @@ impl<T: InvokeUiSession> Remote<T> {
                 let mut msg = Message::new();
                 msg.set_misc(misc);
                 allow_err!(peer.send(&msg).await);
+                self.elevation_requested = true;
             }
             Data::NewVoiceCall => {
                 let msg = new_voice_call_request(true);
@@ -1181,7 +1185,8 @@ impl<T: InvokeUiSession> Remote<T> {
                         }
                     }
                     Some(misc::Union::PortableServiceRunning(b)) => {
-                        if b {
+                        self.handler.portable_service_running(b);
+                        if self.elevation_requested && b {
                             self.handler.msgbox(
                                 "custom-nocancel-success",
                                 "Successful",
@@ -1253,14 +1258,12 @@ impl<T: InvokeUiSession> Remote<T> {
                         }
                     }
                 }
-                Some(message::Union::PeerInfo(pi)) => {
-                    match pi.conn_id {
-                        crate::SYNC_PEER_INFO_DISPLAYS => {
-                            self.handler.set_displays(&pi.displays);
-                        }
-                        _ => {}
+                Some(message::Union::PeerInfo(pi)) => match pi.conn_id {
+                    crate::SYNC_PEER_INFO_DISPLAYS => {
+                        self.handler.set_displays(&pi.displays);
                     }
-                }
+                    _ => {}
+                },
                 _ => {}
             }
         }
diff --git a/src/flutter.rs b/src/flutter.rs
index ea73eb925..2f660775f 100644
--- a/src/flutter.rs
+++ b/src/flutter.rs
@@ -572,6 +572,13 @@ impl InvokeUiSession for FlutterHandler {
         self.push_event("switch_back", [("peer_id", peer_id)].into());
     }
 
+    fn portable_service_running(&self, running: bool) {
+        self.push_event(
+            "portable_service_running",
+            [("running", running.to_string().as_str())].into(),
+        );
+    }
+
     fn on_voice_call_started(&self) {
         self.push_event("on_voice_call_started", [].into());
     }
diff --git a/src/flutter_ffi.rs b/src/flutter_ffi.rs
index 8a8bf4de4..e49ba65f7 100644
--- a/src/flutter_ffi.rs
+++ b/src/flutter_ffi.rs
@@ -726,6 +726,10 @@ pub fn main_peer_has_password(id: String) -> bool {
     peer_has_password(id)
 }
 
+pub fn main_is_in_recent_peers(id: String) -> bool {
+    PeerConfig::peers().iter().any(|e| e.0 == id)
+}
+
 pub fn main_load_recent_peers() {
     if !config::APP_DIR.read().unwrap().is_empty() {
         let peers: Vec<HashMap<&str, String>> = PeerConfig::peers()
@@ -796,6 +800,10 @@ pub fn main_load_lan_peers() {
     };
 }
 
+pub fn main_remove_discovered(id: String) {
+    remove_discovered(id);
+}
+
 fn main_broadcast_message(data: &HashMap<&str, &str>) {
     let apps = vec![
         flutter::APP_TYPE_DESKTOP_REMOTE,
@@ -832,6 +840,10 @@ pub fn main_get_user_default_option(key: String) -> SyncReturn<String> {
     SyncReturn(get_user_default_option(key))
 }
 
+pub fn main_handle_relay_id(id: String) -> String {
+    handle_relay_id(id)
+}
+
 pub fn session_add_port_forward(
     id: String,
     local_port: i32,
diff --git a/src/lang/ca.rs b/src/lang/ca.rs
index 71aa39337..aa33ae6e5 100644
--- a/src/lang/ca.rs
+++ b/src/lang/ca.rs
@@ -456,5 +456,6 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("Reconnect", ""),
         ("Codec", ""),
         ("Resolution", ""),
+        ("No transfers in progress", ""),
         ].iter().cloned().collect();
 }
diff --git a/src/lang/cn.rs b/src/lang/cn.rs
index 818e63203..f975e343f 100644
--- a/src/lang/cn.rs
+++ b/src/lang/cn.rs
@@ -38,7 +38,7 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("Stop service", "�止�务"),
         ("Change ID", "更改 ID"),
         ("Your new ID", "ä½ çš„æ–° ID"),
-        ("length %min% to %max%", "长度在 %min 与 %max 之间"),
+        ("length %min% to %max%", "长度在 %min% 与 %max% 之间"),
         ("starts with a letter", "以字�开头"),
         ("allowed characters", "使用�许的字符"),
         ("id_change_tip", "��以使用字� a-z, A-Z, 0-9, _ (下划线)。首字�必须是 a-z, A-Z。长度在 6 与 16 之间。"),
@@ -137,7 +137,7 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("Failed to connect to rendezvous server", "连接注册�务器失败"),
         ("Please try later", "请���试"),
         ("Remote desktop is offline", "远程电脑处于离线状�"),
-        ("Key mismatch", "密钥�匹�"),
+        ("Key mismatch", "Key �匹�"),
         ("Timeout", "连接超时"),
         ("Failed to connect to relay server", "无法连接到中继�务器"),
         ("Failed to connect via rendezvous server", "无法通过注册�务器建立连接"),
@@ -456,5 +456,6 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("Reconnect", "�连"),
         ("Codec", "编解�"),
         ("Resolution", "分辨率"),
+        ("No transfers in progress", ""),
         ].iter().cloned().collect();
 }
diff --git a/src/lang/cs.rs b/src/lang/cs.rs
index be0ffa7f4..cfe69924c 100644
--- a/src/lang/cs.rs
+++ b/src/lang/cs.rs
@@ -454,6 +454,7 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("Stop voice call", ""),
         ("relay_hint_tip", ""),
         ("Reconnect", ""),
+        ("No transfers in progress", ""),
         ("Codec", ""),
         ("Resolution", ""),
         ].iter().cloned().collect();
diff --git a/src/lang/da.rs b/src/lang/da.rs
index 150a57715..19310357b 100644
--- a/src/lang/da.rs
+++ b/src/lang/da.rs
@@ -456,5 +456,6 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("Reconnect", ""),
         ("Codec", ""),
         ("Resolution", ""),
+        ("No transfers in progress", ""),
         ].iter().cloned().collect();
 }
diff --git a/src/lang/de.rs b/src/lang/de.rs
index c9c25df2b..3d95832ec 100644
--- a/src/lang/de.rs
+++ b/src/lang/de.rs
@@ -454,7 +454,8 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("Stop voice call", "Sprachanruf beenden"),
         ("relay_hint_tip", "Wenn eine direkte Verbindung nicht möglich ist, können Sie versuchen, eine Verbindung über einen Relay-Server herzustellen. \nWenn Sie eine Relay-Verbindung beim ersten Versuch herstellen möchten, können Sie das Suffix \"/r\" an die ID anhängen oder die Option \"Immer über Relay-Server verbinden\" auf der Gegenstelle auswählen."),
         ("Reconnect", "Erneut verbinden"),
-        ("Codec", ""),
-        ("Resolution", ""),
-        ].iter().cloned().collect();
+        ("Codec", "Codec"),
+        ("Resolution", "Auflösung"),
+        ("No transfers in progress", "Keine Ãœbertragungen im Gange"),
+    ].iter().cloned().collect();
 }
diff --git a/src/lang/en.rs b/src/lang/en.rs
index 4bfa86349..250530013 100644
--- a/src/lang/en.rs
+++ b/src/lang/en.rs
@@ -39,10 +39,11 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("verification_tip", "A new device has been detected, and a verification code has been sent to the registered email address, enter the verification code to continue logging in."),
         ("software_render_tip", "If you have an Nvidia graphics card and the remote window closes immediately after connecting, installing the nouveau driver and choosing to use software rendering may help. A software restart is required."),
         ("config_input", "In order to control remote desktop with keyboard, you need to grant RustDesk \"Input Monitoring\" permissions."),
-        ("request_elevation_tip","You can also request elevation if there is someone on the remote side."),
-        ("wait_accept_uac_tip","Please wait for the remote user to accept the UAC dialog."),
+        ("request_elevation_tip", "You can also request elevation if there is someone on the remote side."),
+        ("wait_accept_uac_tip", "Please wait for the remote user to accept the UAC dialog."),
         ("still_click_uac_tip", "Still requires the remote user to click OK on the UAC window of running RustDesk."),
         ("config_microphone", "In order to speak remotely, you need to grant RustDesk \"Record Audio\" permissions."),
         ("relay_hint_tip", "It may not be possible to connect directly, you can try to connect via relay. \nIn addition, if you want to use relay on your first try, you can add the \"/r\" suffix to the ID, or select the option \"Always connect via relay\" in the peer card."),
+        ("No transfers in progress", ""),
         ].iter().cloned().collect();
 }
diff --git a/src/lang/eo.rs b/src/lang/eo.rs
index bb2615efc..9b7912cff 100644
--- a/src/lang/eo.rs
+++ b/src/lang/eo.rs
@@ -456,5 +456,6 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("Reconnect", ""),
         ("Codec", ""),
         ("Resolution", ""),
+        ("No transfers in progress", ""),
         ].iter().cloned().collect();
 }
diff --git a/src/lang/es.rs b/src/lang/es.rs
index d7e43b6bf..a95d39776 100644
--- a/src/lang/es.rs
+++ b/src/lang/es.rs
@@ -454,7 +454,8 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("Stop voice call", "Detener llamada de voz"),
         ("relay_hint_tip", "Puede que no sea posible conectar directamente. Puedes tratar de conectar a través de relay. \nAdicionalmente, si quieres usar relay en el primer intento, puedes añadir el sufijo \"/r\" a la ID o seleccionar la opción \"Conectar siempre a través de relay\" en la tarjeta del par."),
         ("Reconnect", "Reconectar"),
-        ("Codec", ""),
-        ("Resolution", ""),
+        ("Codec", "Códec"),
+        ("Resolution", "Resolución"),
+        ("No transfers in progress", "No hay transferencias en curso"),
         ].iter().cloned().collect();
 }
diff --git a/src/lang/fa.rs b/src/lang/fa.rs
index d8fcff436..0c31e1531 100644
--- a/src/lang/fa.rs
+++ b/src/lang/fa.rs
@@ -454,6 +454,7 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("Stop voice call", "توق� تماس صوتی"),
         ("relay_hint_tip", " را به شناسه اضا�ه کنید یا گزینه \"همیشه از طریق رله متصل شوید\" را در کارت همتا انتخاب کنید. همچنین، اگر می‌خواهید �وراً از سرور رله است�اده کنید، می‌توانید پسوند \"/r\".\n اتصال مستقیم ممکن است امکان پذیر نباشد. در این صورت می توانید سعی کنید از طریق سرور رله متصل شوید"),
         ("Reconnect", "اتصال مجدد"),
+        ("No transfers in progress", ""),
         ("Codec", ""),
         ("Resolution", ""),
         ].iter().cloned().collect();
diff --git a/src/lang/fr.rs b/src/lang/fr.rs
index 37ee42e41..0e45827f7 100644
--- a/src/lang/fr.rs
+++ b/src/lang/fr.rs
@@ -456,5 +456,6 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("Reconnect", ""),
         ("Codec", ""),
         ("Resolution", ""),
+        ("No transfers in progress", ""),
         ].iter().cloned().collect();
 }
diff --git a/src/lang/gr.rs b/src/lang/gr.rs
index c18e6c07b..fca98f228 100644
--- a/src/lang/gr.rs
+++ b/src/lang/gr.rs
@@ -456,5 +456,6 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("Reconnect", ""),
         ("Codec", ""),
         ("Resolution", ""),
+        ("No transfers in progress", ""),
         ].iter().cloned().collect();
 }
diff --git a/src/lang/hu.rs b/src/lang/hu.rs
index 557e3faf0..437cf445a 100644
--- a/src/lang/hu.rs
+++ b/src/lang/hu.rs
@@ -456,5 +456,6 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("Reconnect", ""),
         ("Codec", ""),
         ("Resolution", ""),
+        ("No transfers in progress", ""),
         ].iter().cloned().collect();
 }
diff --git a/src/lang/id.rs b/src/lang/id.rs
index 1a34e6fea..84892a7f8 100644
--- a/src/lang/id.rs
+++ b/src/lang/id.rs
@@ -456,5 +456,6 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("Reconnect", ""),
         ("Codec", ""),
         ("Resolution", ""),
+        ("No transfers in progress", ""),
         ].iter().cloned().collect();
 }
diff --git a/src/lang/it.rs b/src/lang/it.rs
index 7256b13d8..101685c4a 100644
--- a/src/lang/it.rs
+++ b/src/lang/it.rs
@@ -454,7 +454,8 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("Stop voice call", "Interrompi la chiamata vocale"),
         ("relay_hint_tip", "Se non è possibile connettersi direttamente, si può provare a farlo tramite relay.\nInoltre, se si desidera utilizzare il relay al primo tentativo, è possibile aggiungere il suffisso \"/r\" all'ID o selezionare l'opzione \"Collegati sempre tramite relay\" nella scheda peer."),
         ("Reconnect", "Riconnetti"),
-        ("Codec", ""),
-        ("Resolution", ""),
+        ("No transfers in progress", "Nessun trasferimento in corso"),
+        ("Codec", "Codec"),
+        ("Resolution", "Risoluzione"),
         ].iter().cloned().collect();
 }
diff --git a/src/lang/ja.rs b/src/lang/ja.rs
index d6354c1c9..c19b607ca 100644
--- a/src/lang/ja.rs
+++ b/src/lang/ja.rs
@@ -456,5 +456,6 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("Reconnect", ""),
         ("Codec", ""),
         ("Resolution", ""),
+        ("No transfers in progress", ""),
         ].iter().cloned().collect();
 }
diff --git a/src/lang/ko.rs b/src/lang/ko.rs
index dc57c8bf9..97574e67d 100644
--- a/src/lang/ko.rs
+++ b/src/lang/ko.rs
@@ -456,5 +456,6 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("Reconnect", ""),
         ("Codec", ""),
         ("Resolution", ""),
+        ("No transfers in progress", ""),
         ].iter().cloned().collect();
 }
diff --git a/src/lang/kz.rs b/src/lang/kz.rs
index 6698b2c5f..54a51b439 100644
--- a/src/lang/kz.rs
+++ b/src/lang/kz.rs
@@ -456,5 +456,6 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("Reconnect", ""),
         ("Codec", ""),
         ("Resolution", ""),
+        ("No transfers in progress", ""),
         ].iter().cloned().collect();
 }
diff --git a/src/lang/nl.rs b/src/lang/nl.rs
index 545e1ec2e..f38c14791 100644
--- a/src/lang/nl.rs
+++ b/src/lang/nl.rs
@@ -444,7 +444,7 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("Default View Style", "Standaard Weergave Stijl"),
         ("Default Scroll Style", "Standaard Scroll Stijl"),
         ("Default Image Quality", "Standaard Beeldkwaliteit"),
-        ("Default Codec", "tandaard Codec"),
+        ("Default Codec", "Standaard Codec"),
         ("Bitrate", "Bitrate"),
         ("FPS", "FPS"),
         ("Auto", "Auto"),
@@ -456,5 +456,6 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("Reconnect", ""),
         ("Codec", ""),
         ("Resolution", ""),
+        ("No transfers in progress", ""),
         ].iter().cloned().collect();
 }
diff --git a/src/lang/pl.rs b/src/lang/pl.rs
index eea46accb..13027a682 100644
--- a/src/lang/pl.rs
+++ b/src/lang/pl.rs
@@ -284,13 +284,13 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("Do you accept?", "Akceptujesz?"),
         ("Open System Setting", "Otwórz ustawienia systemowe"),
         ("How to get Android input permission?", "Jak uzyskać uprawnienia do wprowadzania danych w systemie Android?"),
-        ("android_input_permission_tip1", "android_input_permission_tip1"),
-        ("android_input_permission_tip2", "android_input_permission_tip2"),
-        ("android_new_connection_tip", "android_new_connection_tip"),
-        ("android_service_will_start_tip", "android_service_will_start_tip"),
-        ("android_stop_service_tip", "android_stop_service_tip"),
-        ("android_version_audio_tip", "android_version_audio_tip"),
-        ("android_start_service_tip", "android_start_service_tip"),
+        ("android_input_permission_tip1", "Aby można było sterować Twoim urządzeniem za pomocą myszy lub dotyku, musisz zezwolić RustDesk na korzystanie z usługi \"Ułatwienia dostępu\"."),
+        ("android_input_permission_tip2", "Przejdź do następnej strony ustawień systemowych, znajdź i wejdź w [Zainstalowane usługi], włącz usługę [RustDesk Input]."),
+        ("android_new_connection_tip", "Otrzymano nowe żądanie zdalnego dostępu, które chce przejąć kontrolę nad Twoim urządzeniem."),
+        ("android_service_will_start_tip", "Włączenie opcji „Przechwytywanie ekranu� spowoduje automatyczne uruchomienie usługi, umożliwiając innym urządzeniom żądanie połączenia z Twoim urządzeniem."),
+        ("android_stop_service_tip", "Zamknięcie usługi spowoduje automatyczne zamknięcie wszystkich nawiązanych połączeń."),
+        ("android_version_audio_tip", "Bieżąca wersja systemu Android nie obsługuje przechwytywania dźwięku, zaktualizuj system do wersji Android 10 lub nowszej."),
+        ("android_start_service_tip", "Kliknij [Uruchom usługę] lub Otwórz [Przechwytywanie ekranu], aby uruchomić usługę udostępniania ekranu."),
         ("Account", "Konto"),
         ("Overwrite", "Nadpisz"),
         ("This file exists, skip or overwrite this file?", "Ten plik istnieje, pominąć czy nadpisać ten plik?"),
@@ -311,7 +311,7 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("Language", "Język"),
         ("Keep RustDesk background service", "Zachowaj usługę RustDesk w tle"),
         ("Ignore Battery Optimizations", "Ignoruj optymalizacjÄ™ baterii"),
-        ("android_open_battery_optimizations_tip", "android_open_battery_optimizations_tip"),
+        ("android_open_battery_optimizations_tip", "Jeśli chcesz wyłączyć tę funkcję, przejdź do następnej strony ustawień aplikacji RustDesk, znajdź i wprowadź [Bateria], odznacz [Bez ograniczeń]"),
         ("Connection not allowed", "Połączenie niedozwolone"),
         ("Legacy mode", "Tryb kompatybilności wstecznej (legacy)"),
         ("Map mode", "Tryb mapowania"),
@@ -449,12 +449,16 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("FPS", "FPS"),
         ("Auto", "Auto"),
         ("Other Default Options", "Inne opcje domyślne"),
-        ("Voice call", ""),
-        ("Text chat", ""),
-        ("Stop voice call", ""),
-        ("relay_hint_tip", ""),
-        ("Reconnect", ""),
-        ("Codec", ""),
-        ("Resolution", ""),
+        ("Voice call", "Rozmowa głosowa"),
+        ("Text chat", "Chat tekstowy"),
+        ("Stop voice call", "Rozłącz"),
+        ("relay_hint_tip", "Bezpośrednie połączenie może nie być możliwe, możesz spróbować połączyć się przez serwer przekazujący. \nDodatkowo, jeśli chcesz użyć serwera przekazującego przy pierwszej próbie, możesz dodać sufiks \"/r\" do identyfikatora lub wybrać opcję \"Zawsze łącz przez serwer przekazujący\" na karcie peer-ów."),
+        ("Reconnect", "Połącz ponownie"),
+        ("Codec", "Kodek"),
+        ("Resolution", "Rozdzielczość"),
+        ("Use temporary password", "Użyj hasła tymczasowego"),
+        ("Set temporary password length", "Ustaw długość hasła tymczasowego"),
+        ("Key", "Klucz"),
+        ("No transfers in progress", ""),
         ].iter().cloned().collect();
 }
diff --git a/src/lang/pt_PT.rs b/src/lang/pt_PT.rs
index ee1561123..923bbab05 100644
--- a/src/lang/pt_PT.rs
+++ b/src/lang/pt_PT.rs
@@ -454,6 +454,7 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("Stop voice call", ""),
         ("relay_hint_tip", ""),
         ("Reconnect", ""),
+        ("No transfers in progress", ""),
         ("Codec", ""),
         ("Resolution", ""),
         ].iter().cloned().collect();
diff --git a/src/lang/ptbr.rs b/src/lang/ptbr.rs
index 7b16bdf34..aa491f951 100644
--- a/src/lang/ptbr.rs
+++ b/src/lang/ptbr.rs
@@ -456,5 +456,6 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("Reconnect", ""),
         ("Codec", ""),
         ("Resolution", ""),
+        ("No transfers in progress", ""),
         ].iter().cloned().collect();
 }
diff --git a/src/lang/ro.rs b/src/lang/ro.rs
index 315eadd2a..e992b19d8 100644
--- a/src/lang/ro.rs
+++ b/src/lang/ro.rs
@@ -456,5 +456,6 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("Reconnect", ""),
         ("Codec", ""),
         ("Resolution", ""),
+        ("No transfers in progress", ""),
         ].iter().cloned().collect();
 }
diff --git a/src/lang/ru.rs b/src/lang/ru.rs
index 6d212490b..3bfb5357d 100644
--- a/src/lang/ru.rs
+++ b/src/lang/ru.rs
@@ -454,7 +454,8 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("Stop voice call", "Завершить голо�овой вызов"),
         ("relay_hint_tip", "Пр�мое подключение может оказать�� невозможным. В �том �лучае можно попытать�� подключить�� через �ервер ретран�л�ции. \nКроме того, е�ли вы хотите �разу и�пользовать �ервер ретран�л�ции, можно добавить к ID �уффик�  \"/r\" или включить \"В�егда подключать�� через ретран�л�тор\" в на�тройках удалённого узла."),
         ("Reconnect", "Переподключить"),
-        ("Codec", ""),
-        ("Resolution", ""),
+        ("Codec", "Кодек"),
+        ("Resolution", "Разрешение"),
+        ("No transfers in progress", "Передача не о�уще�твл�ет��"),
         ].iter().cloned().collect();
 }
diff --git a/src/lang/sk.rs b/src/lang/sk.rs
index 462a78ab6..6468b7eef 100644
--- a/src/lang/sk.rs
+++ b/src/lang/sk.rs
@@ -456,5 +456,6 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("Reconnect", ""),
         ("Codec", ""),
         ("Resolution", ""),
+        ("No transfers in progress", ""),
         ].iter().cloned().collect();
 }
diff --git a/src/lang/sl.rs b/src/lang/sl.rs
index 0eb1949fe..d128e7322 100755
--- a/src/lang/sl.rs
+++ b/src/lang/sl.rs
@@ -456,5 +456,6 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("Reconnect", ""),
         ("Codec", ""),
         ("Resolution", ""),
+        ("No transfers in progress", ""),
         ].iter().cloned().collect();
 }
diff --git a/src/lang/sq.rs b/src/lang/sq.rs
index 2fc5dfe0d..29c5cbbf8 100644
--- a/src/lang/sq.rs
+++ b/src/lang/sq.rs
@@ -456,5 +456,6 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("Reconnect", ""),
         ("Codec", ""),
         ("Resolution", ""),
+        ("No transfers in progress", ""),
         ].iter().cloned().collect();
 }
diff --git a/src/lang/sr.rs b/src/lang/sr.rs
index 17882094c..63173dc11 100644
--- a/src/lang/sr.rs
+++ b/src/lang/sr.rs
@@ -456,5 +456,6 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("Reconnect", ""),
         ("Codec", ""),
         ("Resolution", ""),
+        ("No transfers in progress", ""),
         ].iter().cloned().collect();
 }
diff --git a/src/lang/sv.rs b/src/lang/sv.rs
index 250cf3405..1a00ece43 100644
--- a/src/lang/sv.rs
+++ b/src/lang/sv.rs
@@ -456,5 +456,6 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("Reconnect", ""),
         ("Codec", ""),
         ("Resolution", ""),
+        ("No transfers in progress", ""),
         ].iter().cloned().collect();
 }
diff --git a/src/lang/template.rs b/src/lang/template.rs
index dcdcc1289..2c83f9474 100644
--- a/src/lang/template.rs
+++ b/src/lang/template.rs
@@ -456,5 +456,6 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("Reconnect", ""),
         ("Codec", ""),
         ("Resolution", ""),
+        ("No transfers in progress", ""),
         ].iter().cloned().collect();
 }
diff --git a/src/lang/th.rs b/src/lang/th.rs
index a1eb34c54..6fcf02ed2 100644
--- a/src/lang/th.rs
+++ b/src/lang/th.rs
@@ -456,5 +456,6 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("Reconnect", ""),
         ("Codec", ""),
         ("Resolution", ""),
+        ("No transfers in progress", ""),
         ].iter().cloned().collect();
 }
diff --git a/src/lang/tr.rs b/src/lang/tr.rs
index 09c40a83f..d35d288d6 100644
--- a/src/lang/tr.rs
+++ b/src/lang/tr.rs
@@ -456,5 +456,6 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("Reconnect", ""),
         ("Codec", ""),
         ("Resolution", ""),
+        ("No transfers in progress", ""),
         ].iter().cloned().collect();
 }
diff --git a/src/lang/tw.rs b/src/lang/tw.rs
index ca1193eaa..20a2998ec 100644
--- a/src/lang/tw.rs
+++ b/src/lang/tw.rs
@@ -37,19 +37,19 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("Clipboard is empty", "剪貼簿是空的"),
         ("Stop service", "�止�務"),
         ("Change ID", "更改 ID"),
-        ("Your new ID", ""),
-        ("length %min% to %max%", ""),
-        ("starts with a letter", ""),
-        ("allowed characters", ""),
+        ("Your new ID", "ä½ çš„æ–° ID"),
+        ("length %min% to %max%", "長度在 %min% 與 %max% 之間"),
+        ("starts with a letter", "以字�開頭"),
+        ("allowed characters", "使用�許的字元"),
         ("id_change_tip", "僅能使用以下字元：a-z�A-Z�0-9�_ (底線)。首字元必須為 a-z 或 A-Z。長度介於 6 到 16 之間。"),
         ("Website", "網站"),
         ("About", "關於"),
         ("Slogan_tip", ""),
-        ("Privacy Statement", ""),
+        ("Privacy Statement", "隱��明"),
         ("Mute", "�音"),
-        ("Build Date", ""),
-        ("Version", ""),
-        ("Home", ""),
+        ("Build Date", "建構日期"),
+        ("Version", "版本"),
+        ("Home", "主�"),
         ("Audio Input", "音訊輸入"),
         ("Enhancements", "增強功能"),
         ("Hardware Codec", "硬件編解碼"),
@@ -213,15 +213,15 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("Closed manually by the peer", "由�方手動關閉"),
         ("Enable remote configuration modification", "啟用�端更改設定"),
         ("Run without install", "跳�安�直接執行"),
-        ("Connect via relay", ""),
+        ("Connect via relay", "中繼連線"),
         ("Always connect via relay", "一律��轉�連線"),
         ("whitelist_tip", "�有白�單中的 IP �以存�"),
         ("Login", "登入"),
-        ("Verify", ""),
-        ("Remember me", ""),
-        ("Trust this device", ""),
-        ("Verification code", ""),
-        ("verification_tip", ""),
+        ("Verify", "é©—è­‰"),
+        ("Remember me", "記�我"),
+        ("Trust this device", "信任此設備"),
+        ("Verification code", "驗證碼"),
+        ("verification_tip", "檢測到新設備登錄，已�註冊郵箱發�了登入驗證碼，請輸入驗證碼繼續登錄"),
         ("Logout", "登出"),
         ("Tags", "標籤"),
         ("Search ID", "�尋 ID"),
@@ -391,12 +391,12 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("Wayland requires higher version of linux distro. Please try X11 desktop or change your OS.", "Wayland 需�更高版本的 linux 發行版。 請嘗試 X11 桌�或更改您的�作系統。"),
         ("JumpLink", "查看"),
         ("Please Select the screen to be shared(Operate on the peer side).", "請�擇�分享的畫�（在�端�作）。"),
-        ("Show RustDesk", ""),
-        ("This PC", ""),
-        ("or", ""),
-        ("Continue with", ""),
+        ("Show RustDesk", "顯示 RustDesk"),
+        ("This PC", "此電腦"),
+        ("or", "或"),
+        ("Continue with", "使用"),
         ("Elevate", "�權"),
-        ("Zoom cursor", ""),
+        ("Zoom cursor", "縮放游標"),
         ("Accept sessions via password", "��許密碼訪�"),
         ("Accept sessions via click", "��許點擊訪�"),
         ("Accept sessions via both", "�許密碼或點擊訪�"),
@@ -407,9 +407,9 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("Request access to your device", "請求訪�你的設備"),
         ("Hide connection management window", "隱�連接管�窗�"),
         ("hide_cm_tip", "在��許密碼連接並且�用固定密碼的情�下��許隱�"),
-        ("wayland_experiment_tip", ""),
+        ("wayland_experiment_tip", "Wayland 支�處於實驗階段，如果你需�使用無人值守訪�，請使用 X11。"),
         ("Right click to select tabs", "���擇�項�"),
-        ("Skipped", ""),
+        ("Skipped", "已略�"),
         ("Add to Address Book", "添加到地�簿"),
         ("Group", "�組"),
         ("Search", "�索"),
@@ -418,8 +418,8 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("Select local keyboard type", "請�擇本地�盤類型"),
         ("software_render_tip", "如果你使用英��顯�, 並且�程窗�在會話建立後會立刻關閉, 那麼安�nouveau驅動並且�擇使用軟件渲染�能會有幫助。�啟軟件後生效。"),
         ("Always use software rendering", "使用軟件渲染"),
-        ("config_input", ""),
-        ("config_microphone", ""),
+        ("config_input", "為了能夠通��盤控制�程桌�, 請給予 RustDesk \"輸入監控\" 權�。"),
+        ("config_microphone", "為了支�通�麥克風進行音訊傳輸，請給予 RustDesk \"錄音\"權�。"),
         ("request_elevation_tip", "如果��有人, 也�以請求��權�。"),
         ("Wait", "等待"),
         ("Elevation Error", "�權失敗"),
@@ -438,8 +438,8 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("Weak", "å¼±"),
         ("Medium", "中"),
         ("Strong", "å¼·"),
-        ("Switch Sides", ""),
-        ("Please confirm if you want to share your desktop?", ""),
+        ("Switch Sides", "�轉訪�方�"),
+        ("Please confirm if you want to share your desktop?", "請確�是��讓�方訪�你的桌�？"),
         ("Display", "顯示"),
         ("Default View Style", "默�顯示方�"),
         ("Default Scroll Style", "默�滾動方�"),
@@ -456,5 +456,6 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("Reconnect", "�連"),
         ("Codec", "編解碼"),
         ("Resolution", "分辨率"),
+        ("No transfers in progress", ""),
         ].iter().cloned().collect();
 }
diff --git a/src/lang/ua.rs b/src/lang/ua.rs
index b48385e6e..4c4b5d4bc 100644
--- a/src/lang/ua.rs
+++ b/src/lang/ua.rs
@@ -456,5 +456,6 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("Reconnect", ""),
         ("Codec", ""),
         ("Resolution", ""),
+        ("No transfers in progress", ""),
         ].iter().cloned().collect();
 }
diff --git a/src/lang/vn.rs b/src/lang/vn.rs
index 61d7c0b8a..32cd084cb 100644
--- a/src/lang/vn.rs
+++ b/src/lang/vn.rs
@@ -456,5 +456,6 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("Reconnect", ""),
         ("Codec", ""),
         ("Resolution", ""),
+        ("No transfers in progress", ""),
         ].iter().cloned().collect();
 }
diff --git a/src/main.rs b/src/main.rs
index 169515425..3759f6056 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -1,6 +1,7 @@
-// Specify the Windows subsystem to eliminate console window.
-// Requires Rust 1.18.
-//#![windows_subsystem = "windows"]
+ #![cfg_attr(
+     all(not(debug_assertions), target_os = "windows"),
+     windows_subsystem = "windows"
+ )]
 
 use librustdesk::*;
 
diff --git a/src/platform/linux.rs b/src/platform/linux.rs
index 08e343d49..47184e796 100644
--- a/src/platform/linux.rs
+++ b/src/platform/linux.rs
@@ -1,14 +1,22 @@
 use super::{CursorData, ResultType};
-use hbb_common::libc::{c_char, c_int, c_long, c_void};
 pub use hbb_common::platform::linux::*;
-use hbb_common::{allow_err, anyhow::anyhow, bail, log, message_proto::Resolution};
+use hbb_common::{
+    allow_err,
+    anyhow::anyhow,
+    bail,
+    libc::{c_char, c_int, c_long, c_void},
+    log,
+    message_proto::Resolution,
+};
 use std::{
     cell::RefCell,
-    path::PathBuf,
+    path::{Path, PathBuf},
+    process::{Child, Command},
     sync::{
         atomic::{AtomicBool, Ordering},
         Arc,
     },
+    time::{Duration, Instant},
 };
 use xrandr_parser::Parser;
 
@@ -162,10 +170,29 @@ fn start_uinput_service() {
     });
 }
 
-fn stop_server(server: &mut Option<std::process::Child>) {
+#[inline]
+fn try_start_server_(user: Option<(String, String)>) -> ResultType<Option<Child>> {
+    if user.is_some() {
+        run_as_user(vec!["--server"], user)
+    } else {
+        Ok(Some(crate::run_me(vec!["--server"])?))
+    }
+}
+
+#[inline]
+fn start_server(user: Option<(String, String)>, server: &mut Option<Child>) {
+    match try_start_server_(user) {
+        Ok(ps) => *server = ps,
+        Err(err) => {
+            log::error!("Failed to start server: {}", err);
+        }
+    }
+}
+
+fn stop_server(server: &mut Option<Child>) {
     if let Some(mut ps) = server.take() {
         allow_err!(ps.kill());
-        std::thread::sleep(std::time::Duration::from_millis(30));
+        std::thread::sleep(Duration::from_millis(30));
         match ps.try_wait() {
             Ok(Some(_status)) => {}
             Ok(None) => {
@@ -182,7 +209,7 @@ fn set_x11_env(uid: &str) {
     let mut auth = get_env_tries("XAUTHORITY", uid, 10);
     // auth is another user's when uid = 0, https://github.com/rustdesk/rustdesk/issues/2468
     if auth.is_empty() || uid == "0" {
-        auth = if std::path::Path::new(&gdm).exists() {
+        auth = if Path::new(&gdm).exists() {
             gdm
         } else {
             let username = get_active_username();
@@ -190,7 +217,7 @@ fn set_x11_env(uid: &str) {
                 format!("/{}/.Xauthority", username)
             } else {
                 let tmp = format!("/home/{}/.Xauthority", username);
-                if std::path::Path::new(&tmp).exists() {
+                if Path::new(&tmp).exists() {
                     tmp
                 } else {
                     format!("/var/lib/{}/.Xauthority", username)
@@ -223,8 +250,8 @@ fn should_start_server(
     uid: &mut String,
     cur_uid: String,
     cm0: &mut bool,
-    last_restart: &mut std::time::Instant,
-    server: &mut Option<std::process::Child>,
+    last_restart: &mut Instant,
+    server: &mut Option<Child>,
 ) -> bool {
     let cm = get_cm();
     let mut start_new = false;
@@ -235,8 +262,8 @@ fn should_start_server(
         }
         if let Some(ps) = server.as_mut() {
             allow_err!(ps.kill());
-            std::thread::sleep(std::time::Duration::from_millis(30));
-            *last_restart = std::time::Instant::now();
+            std::thread::sleep(Duration::from_millis(30));
+            *last_restart = Instant::now();
         }
     } else if !cm
         && ((*cm0 && last_restart.elapsed().as_secs() > 60)
@@ -247,8 +274,8 @@ fn should_start_server(
         // and x server get displays failure issue
         if let Some(ps) = server.as_mut() {
             allow_err!(ps.kill());
-            std::thread::sleep(std::time::Duration::from_millis(30));
-            *last_restart = std::time::Instant::now();
+            std::thread::sleep(Duration::from_millis(30));
+            *last_restart = Instant::now();
             log::info!("restart server");
         }
     }
@@ -267,6 +294,13 @@ fn should_start_server(
     start_new
 }
 
+// to-do: stop_server(&mut user_server); may not stop child correctly
+// stop_rustdesk_servers() is just a temp solution here.
+fn force_stop_server() {
+    stop_rustdesk_servers();
+    std::thread::sleep(Duration::from_millis(super::SERVICE_INTERVAL));
+}
+
 pub fn start_os_service() {
     stop_rustdesk_servers();
     start_uinput_service();
@@ -274,8 +308,8 @@ pub fn start_os_service() {
     let running = Arc::new(AtomicBool::new(true));
     let r = running.clone();
     let mut uid = "".to_owned();
-    let mut server: Option<std::process::Child> = None;
-    let mut user_server: Option<std::process::Child> = None;
+    let mut server: Option<Child> = None;
+    let mut user_server: Option<Child> = None;
     if let Err(err) = ctrlc::set_handler(move || {
         r.store(false, Ordering::SeqCst);
     }) {
@@ -283,12 +317,13 @@ pub fn start_os_service() {
     }
 
     let mut cm0 = false;
-    let mut last_restart = std::time::Instant::now();
+    let mut last_restart = Instant::now();
     while running.load(Ordering::SeqCst) {
         let (cur_uid, cur_user) = get_active_user_id_name();
         let is_wayland = current_is_wayland();
 
         if cur_user == "root" || !is_wayland {
+            // try kill subprocess "--server"
             stop_server(&mut user_server);
             // try start subprocess "--server"
             if should_start_server(
@@ -299,16 +334,8 @@ pub fn start_os_service() {
                 &mut last_restart,
                 &mut server,
             ) {
-                // to-do: stop_server(&mut user_server); may not stop child correctly
-                // stop_rustdesk_servers() is just a temp solution here.
-                stop_rustdesk_servers();
-                std::thread::sleep(std::time::Duration::from_millis(super::SERVICE_INTERVAL));
-                match crate::run_me(vec!["--server"]) {
-                    Ok(ps) => server = Some(ps),
-                    Err(err) => {
-                        log::error!("Failed to start server: {}", err);
-                    }
-                }
+                force_stop_server();
+                start_server(None, &mut server);
             }
         } else if cur_user != "" {
             if cur_user != "gdm" {
@@ -324,23 +351,16 @@ pub fn start_os_service() {
                     &mut last_restart,
                     &mut user_server,
                 ) {
-                    stop_rustdesk_servers();
-                    std::thread::sleep(std::time::Duration::from_millis(super::SERVICE_INTERVAL));
-                    match run_as_user(vec!["--server"], Some((cur_uid, cur_user))) {
-                        Ok(ps) => user_server = ps,
-                        Err(err) => {
-                            log::error!("Failed to start server: {}", err);
-                        }
-                    }
+                    force_stop_server();
+                    start_server(Some((cur_uid, cur_user)), &mut user_server);
                 }
             }
         } else {
-            stop_rustdesk_servers();
-            std::thread::sleep(std::time::Duration::from_millis(super::SERVICE_INTERVAL));
+            force_stop_server();
             stop_server(&mut user_server);
             stop_server(&mut server);
         }
-        std::thread::sleep(std::time::Duration::from_millis(super::SERVICE_INTERVAL));
+        std::thread::sleep(Duration::from_millis(super::SERVICE_INTERVAL));
     }
 
     if let Some(ps) = user_server.take().as_mut() {
@@ -362,7 +382,7 @@ pub fn get_active_userid() -> String {
 }
 
 fn get_cm() -> bool {
-    if let Ok(output) = std::process::Command::new("ps").args(vec!["aux"]).output() {
+    if let Ok(output) = Command::new("ps").args(vec!["aux"]).output() {
         for line in String::from_utf8_lossy(&output.stdout).lines() {
             if line.contains(&format!(
                 "{} --cm",
@@ -380,7 +400,7 @@ fn get_cm() -> bool {
 fn get_display() -> String {
     let user = get_active_username();
     log::debug!("w {}", &user);
-    if let Ok(output) = std::process::Command::new("w").arg(&user).output() {
+    if let Ok(output) = Command::new("w").arg(&user).output() {
         for line in String::from_utf8_lossy(&output.stdout).lines() {
             log::debug!("  {}", line);
             let mut iter = line.split_whitespace();
@@ -395,7 +415,7 @@ fn get_display() -> String {
     // above not work for gdm user
     log::debug!("ls -l /tmp/.X11-unix/");
     let mut last = "".to_owned();
-    if let Ok(output) = std::process::Command::new("ls")
+    if let Ok(output) = Command::new("ls")
         .args(vec!["-l", "/tmp/.X11-unix/"])
         .output()
     {
@@ -474,10 +494,7 @@ fn is_opensuse() -> bool {
     false
 }
 
-pub fn run_as_user(
-    arg: Vec<&str>,
-    user: Option<(String, String)>,
-) -> ResultType<Option<std::process::Child>> {
+pub fn run_as_user(arg: Vec<&str>, user: Option<(String, String)>) -> ResultType<Option<Child>> {
     let (uid, username) = match user {
         Some(id_name) => id_name,
         None => get_active_user_id_name(),
@@ -491,7 +508,7 @@ pub fn run_as_user(
         args.insert(0, "-E");
     }
 
-    let task = std::process::Command::new("sudo").args(args).spawn()?;
+    let task = Command::new("sudo").args(args).spawn()?;
     Ok(Some(task))
 }
 
@@ -553,10 +570,7 @@ pub fn get_default_pa_source() -> Option<(String, String)> {
 }
 
 pub fn lock_screen() {
-    std::process::Command::new("xdg-screensaver")
-        .arg("lock")
-        .spawn()
-        .ok();
+    Command::new("xdg-screensaver").arg("lock").spawn().ok();
 }
 
 pub fn toggle_blank_screen(_v: bool) {
@@ -577,7 +591,7 @@ fn get_env_tries(name: &str, uid: &str, n: usize) -> String {
         if !x.is_empty() {
             return x;
         }
-        std::thread::sleep(std::time::Duration::from_millis(300));
+        std::thread::sleep(Duration::from_millis(300));
     }
     "".to_owned()
 }
@@ -604,12 +618,12 @@ pub fn quit_gui() {
 pub fn check_super_user_permission() -> ResultType<bool> {
     let file = "/usr/share/rustdesk/files/polkit";
     let arg;
-    if std::path::Path::new(file).is_file() {
+    if Path::new(file).is_file() {
         arg = file;
     } else {
         arg = "echo";
     }
-    let status = std::process::Command::new("pkexec").arg(arg).status()?;
+    let status = Command::new("pkexec").arg(arg).status()?;
     Ok(status.success() && status.code() == Some(0))
 }
 
@@ -684,7 +698,7 @@ pub fn current_resolution(name: &str) -> ResultType<Resolution> {
 }
 
 pub fn change_resolution(name: &str, width: usize, height: usize) -> ResultType<()> {
-    std::process::Command::new("xrandr")
+    Command::new("xrandr")
         .args(vec![
             "--output",
             name,
diff --git a/src/platform/macos.mm b/src/platform/macos.mm
index 443351469..3c90981c4 100644
--- a/src/platform/macos.mm
+++ b/src/platform/macos.mm
@@ -1,6 +1,9 @@
 #import <AVFoundation/AVFoundation.h>
 #import <AppKit/AppKit.h>
 #import <IOKit/hidsystem/IOHIDLib.h>
+#include <Security/Authorization.h>
+#include <Security/AuthorizationTags.h>
+
 
 // https://github.com/codebytere/node-mac-permissions/blob/main/permissions.mm
 
@@ -35,6 +38,33 @@ extern "C" bool InputMonitoringAuthStatus(bool prompt) {
     return false;
 }
 
+extern "C" bool MacCheckAdminAuthorization() {
+  AuthorizationRef authRef;
+  OSStatus status;
+
+  status = AuthorizationCreate(NULL, kAuthorizationEmptyEnvironment,
+                               kAuthorizationFlagDefaults, &authRef);
+  if (status != errAuthorizationSuccess) {
+    printf("Failed to create AuthorizationRef\n");
+    return false;
+  }
+
+  AuthorizationItem authItem = {kAuthorizationRightExecute, 0, NULL, 0};
+  AuthorizationRights authRights = {1, &authItem};
+  AuthorizationFlags flags = kAuthorizationFlagDefaults |
+                             kAuthorizationFlagInteractionAllowed |
+                             kAuthorizationFlagPreAuthorize |
+                             kAuthorizationFlagExtendRights;
+  status = AuthorizationCopyRights(authRef, &authRights, kAuthorizationEmptyEnvironment, flags, NULL);
+  if (status != errAuthorizationSuccess) {
+    printf("Failed to authorize\n");
+    return false;
+  }
+
+  AuthorizationFree(authRef, kAuthorizationFlagDefaults);
+  return true;
+}
+
 extern "C" float BackingScaleFactor() {
     NSScreen* s = [NSScreen mainScreen];
     if (s) return [s backingScaleFactor];
@@ -44,6 +74,33 @@ extern "C" float BackingScaleFactor() {
 // https://github.com/jhford/screenresolution/blob/master/cg_utils.c
 // https://github.com/jdoupe/screenres/blob/master/setgetscreen.m
 
+size_t bitDepth(CGDisplayModeRef mode) {	
+    size_t depth = 0;
+    // Deprecated, same display same bpp? 
+    // https://stackoverflow.com/questions/8210824/how-to-avoid-cgdisplaymodecopypixelencoding-to-get-bpp
+    // https://github.com/libsdl-org/SDL/pull/6628
+	CFStringRef pixelEncoding = CGDisplayModeCopyPixelEncoding(mode);	
+    // my numerical representation for kIO16BitFloatPixels and kIO32bitFloatPixels	
+    // are made up and possibly non-sensical	
+    if (kCFCompareEqualTo == CFStringCompare(pixelEncoding, CFSTR(kIO32BitFloatPixels), kCFCompareCaseInsensitive)) {	
+        depth = 96;	
+    } else if (kCFCompareEqualTo == CFStringCompare(pixelEncoding, CFSTR(kIO64BitDirectPixels), kCFCompareCaseInsensitive)) {	
+        depth = 64;	
+    } else if (kCFCompareEqualTo == CFStringCompare(pixelEncoding, CFSTR(kIO16BitFloatPixels), kCFCompareCaseInsensitive)) {	
+        depth = 48;	
+    } else if (kCFCompareEqualTo == CFStringCompare(pixelEncoding, CFSTR(IO32BitDirectPixels), kCFCompareCaseInsensitive)) {	
+        depth = 32;	
+    } else if (kCFCompareEqualTo == CFStringCompare(pixelEncoding, CFSTR(kIO30BitDirectPixels), kCFCompareCaseInsensitive)) {	
+        depth = 30;	
+    } else if (kCFCompareEqualTo == CFStringCompare(pixelEncoding, CFSTR(IO16BitDirectPixels), kCFCompareCaseInsensitive)) {	
+        depth = 16;	
+    } else if (kCFCompareEqualTo == CFStringCompare(pixelEncoding, CFSTR(IO8BitIndexedPixels), kCFCompareCaseInsensitive)) {	
+        depth = 8;	
+    }	
+    CFRelease(pixelEncoding);	
+    return depth;	
+}
+
 extern "C" bool MacGetModeNum(CGDirectDisplayID display, uint32_t *numModes) {
     CFArrayRef allModes = CGDisplayCopyAllDisplayModes(display, NULL);
     if (allModes == NULL) {
@@ -55,16 +112,28 @@ extern "C" bool MacGetModeNum(CGDirectDisplayID display, uint32_t *numModes) {
 }
 
 extern "C" bool MacGetModes(CGDirectDisplayID display, uint32_t *widths, uint32_t *heights, uint32_t max, uint32_t *numModes) {
-    CFArrayRef allModes = CGDisplayCopyAllDisplayModes(display, NULL);
-    if (allModes == NULL) {
+    CGDisplayModeRef currentMode = CGDisplayCopyDisplayMode(display);
+    if (currentMode == NULL) {
         return false;
     }
-    *numModes = CFArrayGetCount(allModes);
-    for (int i = 0; i < *numModes && i < max; i++) {
-        CGDisplayModeRef mode = (CGDisplayModeRef)CFArrayGetValueAtIndex(allModes, i);
-        widths[i] = (uint32_t)CGDisplayModeGetWidth(mode);
-        heights[i] = (uint32_t)CGDisplayModeGetHeight(mode);
+    CFArrayRef allModes = CGDisplayCopyAllDisplayModes(display, NULL);
+    if (allModes == NULL) {
+        CGDisplayModeRelease(currentMode);
+        return false;
     }
+    uint32_t allModeCount = CFArrayGetCount(allModes);
+    uint32_t realNum = 0;
+    for (uint32_t i = 0; i < allModeCount && realNum < max; i++) {
+        CGDisplayModeRef mode = (CGDisplayModeRef)CFArrayGetValueAtIndex(allModes, i);
+        if (CGDisplayModeGetRefreshRate(currentMode) == CGDisplayModeGetRefreshRate(mode) &&
+            bitDepth(currentMode) == bitDepth(mode)) {
+            widths[realNum] = (uint32_t)CGDisplayModeGetWidth(mode);
+            heights[realNum] = (uint32_t)CGDisplayModeGetHeight(mode);
+            realNum++;
+        }
+    }
+    *numModes = realNum;
+    CGDisplayModeRelease(currentMode);
     CFRelease(allModes);
     return true;
 }
@@ -80,31 +149,8 @@ extern "C" bool MacGetMode(CGDirectDisplayID display, uint32_t *width, uint32_t
     return true;
 }
 
-size_t bitDepth(CGDisplayModeRef mode) {
-    size_t depth = 0;
-	CFStringRef pixelEncoding = CGDisplayModeCopyPixelEncoding(mode);
-    // my numerical representation for kIO16BitFloatPixels and kIO32bitFloatPixels
-    // are made up and possibly non-sensical
-    if (kCFCompareEqualTo == CFStringCompare(pixelEncoding, CFSTR(kIO32BitFloatPixels), kCFCompareCaseInsensitive)) {
-        depth = 96;
-    } else if (kCFCompareEqualTo == CFStringCompare(pixelEncoding, CFSTR(kIO64BitDirectPixels), kCFCompareCaseInsensitive)) {
-        depth = 64;
-    } else if (kCFCompareEqualTo == CFStringCompare(pixelEncoding, CFSTR(kIO16BitFloatPixels), kCFCompareCaseInsensitive)) {
-        depth = 48;
-    } else if (kCFCompareEqualTo == CFStringCompare(pixelEncoding, CFSTR(IO32BitDirectPixels), kCFCompareCaseInsensitive)) {
-        depth = 32;
-    } else if (kCFCompareEqualTo == CFStringCompare(pixelEncoding, CFSTR(kIO30BitDirectPixels), kCFCompareCaseInsensitive)) {
-        depth = 30;
-    } else if (kCFCompareEqualTo == CFStringCompare(pixelEncoding, CFSTR(IO16BitDirectPixels), kCFCompareCaseInsensitive)) {
-        depth = 16;
-    } else if (kCFCompareEqualTo == CFStringCompare(pixelEncoding, CFSTR(IO8BitIndexedPixels), kCFCompareCaseInsensitive)) {
-        depth = 8;
-    }
-    CFRelease(pixelEncoding);
-    return depth;
-}
 
-bool setDisplayToMode(CGDirectDisplayID display, CGDisplayModeRef mode) {
+static bool setDisplayToMode(CGDirectDisplayID display, CGDisplayModeRef mode) {
     CGError rc;
     CGDisplayConfigRef config;
     rc = CGBeginDisplayConfiguration(&config);
@@ -122,7 +168,6 @@ bool setDisplayToMode(CGDirectDisplayID display, CGDisplayModeRef mode) {
     return true;
 }
 
-
 extern "C" bool MacSetMode(CGDirectDisplayID display, uint32_t width, uint32_t height)
 {
     bool ret = false;
@@ -136,13 +181,12 @@ extern "C" bool MacSetMode(CGDirectDisplayID display, uint32_t width, uint32_t h
         return ret;
     }
     int numModes = CFArrayGetCount(allModes);
-    CGDisplayModeRef bestMode = NULL;
     for (int i = 0; i < numModes; i++) {
         CGDisplayModeRef mode = (CGDisplayModeRef)CFArrayGetValueAtIndex(allModes, i);
         if (width == CGDisplayModeGetWidth(mode) &&
             height == CGDisplayModeGetHeight(mode) && 
-            bitDepth(currentMode) == bitDepth(mode) &&
-            CGDisplayModeGetRefreshRate(currentMode) == CGDisplayModeGetRefreshRate(mode)) {
+            CGDisplayModeGetRefreshRate(currentMode) == CGDisplayModeGetRefreshRate(mode) &&
+            bitDepth(currentMode) == bitDepth(mode)) {
             ret = setDisplayToMode(display, mode);
             break;
         }
diff --git a/src/platform/macos.rs b/src/platform/macos.rs
index 025274840..5c4c68e2c 100644
--- a/src/platform/macos.rs
+++ b/src/platform/macos.rs
@@ -34,6 +34,7 @@ extern "C" {
     static kAXTrustedCheckOptionPrompt: CFStringRef;
     fn AXIsProcessTrustedWithOptions(options: CFDictionaryRef) -> BOOL;
     fn InputMonitoringAuthStatus(_: BOOL) -> BOOL;
+    fn MacCheckAdminAuthorization() -> BOOL;
     fn MacGetModeNum(display: u32, numModes: *mut u32) -> BOOL;
     fn MacGetModes(
         display: u32,
@@ -612,18 +613,18 @@ pub fn resolutions(name: &str) -> Vec<Resolution> {
         unsafe {
             if YES == MacGetModeNum(display, &mut num) {
                 let (mut widths, mut heights) = (vec![0; num as _], vec![0; num as _]);
-                let mut realNum = 0;
+                let mut real_num = 0;
                 if YES
                     == MacGetModes(
                         display,
                         widths.as_mut_ptr(),
                         heights.as_mut_ptr(),
                         num,
-                        &mut realNum,
+                        &mut real_num,
                     )
                 {
-                    if realNum <= num {
-                        for i in 0..realNum {
+                    if real_num <= num {
+                        for i in 0..real_num {
                             let resolution = Resolution {
                                 width: widths[i as usize] as _,
                                 height: heights[i as usize] as _,
@@ -665,3 +666,10 @@ pub fn change_resolution(name: &str, width: usize, height: usize) -> ResultType<
     }
     Ok(())
 }
+
+
+pub fn check_super_user_permission() -> ResultType<bool> {
+    unsafe {
+        Ok(MacCheckAdminAuthorization() == YES)
+    }
+}
diff --git a/src/platform/windows.rs b/src/platform/windows.rs
index 6b3f8013c..0bba649f4 100644
--- a/src/platform/windows.rs
+++ b/src/platform/windows.rs
@@ -1236,6 +1236,15 @@ pub fn uninstall_me() -> ResultType<()> {
 
 fn write_cmds(cmds: String, ext: &str, tip: &str) -> ResultType<std::path::PathBuf> {
     let mut tmp = std::env::temp_dir();
+    // When dir contains these characters, the bat file will not execute in elevated mode.
+    if vec!["&", "@", "^"]
+        .drain(..)
+        .any(|s| tmp.to_string_lossy().to_string().contains(s))
+    {
+        if let Ok(dir) = user_accessible_folder() {
+            tmp = dir;
+        }
+    }
     tmp.push(format!("{}_{}.{}", crate::get_app_name(), tip, ext));
     let mut file = std::fs::File::create(&tmp)?;
     // in case cmds mixed with \r\n and \n, make sure all ending with \r\n
@@ -1872,3 +1881,19 @@ pub fn change_resolution(name: &str, width: usize, height: usize) -> ResultType<
         Ok(())
     }
 }
+
+pub fn user_accessible_folder() -> ResultType<PathBuf> {
+    let disk = std::env::var("SystemDrive").unwrap_or("C:".to_string());
+    let dir1 = PathBuf::from(format!("{}\\ProgramData", disk));
+    // NOTICE: "C:\Windows\Temp" requires permanent authorization.
+    let dir2 = PathBuf::from(format!("{}\\Windows\\Temp", disk));
+    let dir;
+    if dir1.exists() {
+        dir = dir1;
+    } else if dir2.exists() {
+        dir = dir2;
+    } else {
+        bail!("no vaild user accessible folder");
+    }
+    Ok(dir)
+}
diff --git a/src/server/connection.rs b/src/server/connection.rs
index 85fcb676b..898939b62 100644
--- a/src/server/connection.rs
+++ b/src/server/connection.rs
@@ -126,6 +126,7 @@ pub struct Connection {
     origin_resolution: HashMap<String, Resolution>,
     voice_call_request_timestamp: Option<NonZeroI64>,
     audio_input_device_before_voice_call: Option<String>,
+    options_in_login: Option<OptionMessage>,
 }
 
 impl ConnInner {
@@ -233,6 +234,7 @@ impl Connection {
             audio_sender: None,
             voice_call_request_timestamp: None,
             audio_input_device_before_voice_call: None,
+            options_in_login: None,
         };
         #[cfg(not(any(target_os = "android", target_os = "ios")))]
         tokio::spawn(async move {
@@ -921,6 +923,9 @@ impl Connection {
         let mut msg_out = Message::new();
         msg_out.set_login_response(res);
         self.send(msg_out).await;
+        if let Some(o) = self.options_in_login.take() {
+            self.update_options(&o).await;
+        }
         if let Some((dir, show_hidden)) = self.file_transfer.clone() {
             let dir = if !dir.is_empty() && std::path::Path::new(&dir).is_dir() {
                 &dir
@@ -1106,8 +1111,7 @@ impl Connection {
     async fn handle_login_request_without_validation(&mut self, lr: &LoginRequest) {
         self.lr = lr.clone();
         if let Some(o) = lr.option.as_ref() {
-            // It may not be a good practice to update all options here.
-            self.update_options(o).await;
+            self.options_in_login = Some(o.clone());
             if let Some(q) = o.video_codec_state.clone().take() {
                 scrap::codec::Encoder::update_video_encoder(
                     self.inner.id(),
@@ -1552,7 +1556,6 @@ impl Connection {
                                     .err()
                                     .map_or("".to_string(), |e| e.to_string());
                                 }
-                                self.portable.elevation_requested = err.is_empty();
                                 let mut misc = Misc::new();
                                 misc.set_elevation_response(err);
                                 let mut msg = Message::new();
@@ -1571,7 +1574,6 @@ impl Connection {
                                     .err()
                                     .map_or("".to_string(), |e| e.to_string());
                                 }
-                                self.portable.elevation_requested = err.is_empty();
                                 let mut misc = Misc::new();
                                 misc.set_elevation_response(err);
                                 let mut msg = Message::new();
@@ -1699,7 +1701,8 @@ impl Connection {
         self.send_to_cm(Data::CloseVoiceCall("".to_owned()));
     }
 
-    async fn update_options_without_auth(&mut self, o: &OptionMessage) {
+    async fn update_options(&mut self, o: &OptionMessage) {
+        log::info!("Option update: {:?}", o);
         if let Ok(q) = o.image_quality.enum_value() {
             let image_quality;
             if let ImageQuality::NotSet = q {
@@ -1730,12 +1733,6 @@ impl Connection {
                 scrap::codec::EncoderUpdate::State(q),
             );
         }
-    }
-
-    async fn update_options_with_auth(&mut self, o: &OptionMessage) {
-        if !self.authorized {
-            return;
-        }
         if let Ok(q) = o.lock_after_session_end.enum_value() {
             if q != BoolOption::NotSet {
                 self.lock_after_session_end = q == BoolOption::Yes;
@@ -1864,12 +1861,6 @@ impl Connection {
         }
     }
 
-    async fn update_options(&mut self, o: &OptionMessage) {
-        log::info!("Option update: {:?}", o);
-        self.update_options_without_auth(o).await;
-        self.update_options_with_auth(o).await;
-    }
-
     async fn on_close(&mut self, reason: &str, lock: bool) {
         log::info!("#{} Connection closed: {}", self.inner.id(), reason);
         if lock && self.lock_after_session_end && self.keyboard {
@@ -1936,13 +1927,11 @@ impl Connection {
             let p = &mut self.portable;
             if running != p.last_running {
                 p.last_running = running;
-                if running && p.elevation_requested {
-                    let mut misc = Misc::new();
-                    misc.set_portable_service_running(running);
-                    let mut msg = Message::new();
-                    msg.set_misc(misc);
-                    self.inner.send(msg.into());
-                }
+                let mut misc = Misc::new();
+                misc.set_portable_service_running(running);
+                let mut msg = Message::new();
+                msg.set_misc(misc);
+                self.inner.send(msg.into());
             }
             let uac = crate::video_service::IS_UAC_RUNNING.lock().unwrap().clone();
             if p.last_uac != uac {
@@ -2166,7 +2155,6 @@ pub struct PortableState {
     pub last_foreground_window_elevated: bool,
     pub last_running: bool,
     pub is_installed: bool,
-    pub elevation_requested: bool,
 }
 
 #[cfg(windows)]
@@ -2177,7 +2165,6 @@ impl Default for PortableState {
             last_uac: Default::default(),
             last_foreground_window_elevated: Default::default(),
             last_running: Default::default(),
-            elevation_requested: Default::default(),
         }
     }
 }
diff --git a/src/server/portable_service.rs b/src/server/portable_service.rs
index 7514ead38..c49f974a7 100644
--- a/src/server/portable_service.rs
+++ b/src/server/portable_service.rs
@@ -117,17 +117,7 @@ impl SharedMemory {
     }
 
     fn flink(name: String) -> ResultType<String> {
-        let disk = std::env::var("SystemDrive").unwrap_or("C:".to_string());
-        let dir1 = PathBuf::from(format!("{}\\ProgramData", disk));
-        let dir2 = PathBuf::from(format!("{}\\Windows\\Temp", disk));
-        let mut dir;
-        if dir1.exists() {
-            dir = dir1;
-        } else if dir2.exists() {
-            dir = dir2;
-        } else {
-            bail!("no vaild flink directory");
-        }
+        let mut dir = crate::platform::user_accessible_folder()?;
         dir = dir.join(hbb_common::config::APP_NAME.read().unwrap().clone());
         if !dir.exists() {
             std::fs::create_dir(&dir)?;
diff --git a/src/server/video_service.rs b/src/server/video_service.rs
index a9a9fd9ab..affb5eb17 100644
--- a/src/server/video_service.rs
+++ b/src/server/video_service.rs
@@ -577,6 +577,14 @@ fn run(sp: GenericService) -> ResultType<()> {
         if last_check_displays.elapsed().as_millis() > 1000 {
             last_check_displays = now;
 
+            // Capturer on macos does not return Err event the solution is changed.
+            #[cfg(target_os = "macos")]
+            if check_display_changed(c.ndisplay, c.current, c.width, c.height) {
+                log::info!("Displays changed");
+                *SWITCH.lock().unwrap() = true;
+                bail!("SWITCH");
+            }
+
             if let Some(msg_out) = check_displays_changed() {
                 sp.send(msg_out);
             }
diff --git a/src/ui.rs b/src/ui.rs
index 1b6838e46..22c44ec5f 100644
--- a/src/ui.rs
+++ b/src/ui.rs
@@ -9,7 +9,7 @@ use sciter::Value;
 
 use hbb_common::{
     allow_err,
-    config::{self, LocalConfig, PeerConfig},
+    config::{LocalConfig, PeerConfig},
     log,
 };
 
@@ -413,17 +413,15 @@ impl UI {
     }
 
     fn remove_discovered(&mut self, id: String) {
-        let mut peers = config::LanPeers::load().peers;
-        peers.retain(|x| x.id != id);
-        config::LanPeers::store(&peers);
+        remove_discovered(id);
     }
 
     fn send_wol(&mut self, id: String) {
         crate::lan::send_wol(id)
     }
 
-    fn new_remote(&mut self, id: String, remote_type: String) {
-        new_remote(id, remote_type)
+    fn new_remote(&mut self, id: String, remote_type: String, force_relay: bool) {
+        new_remote(id, remote_type, force_relay)
     }
 
     fn is_process_trusted(&mut self, _prompt: bool) -> bool {
@@ -573,6 +571,10 @@ impl UI {
     fn default_video_save_directory(&self) -> String {
         default_video_save_directory()
     }
+
+    fn handle_relay_id(&self, id: String) -> String {
+        handle_relay_id(id)
+    }
 }
 
 impl sciter::EventHandler for UI {
@@ -590,7 +592,7 @@ impl sciter::EventHandler for UI {
         fn set_remote_id(String);
         fn closing(i32, i32, i32, i32);
         fn get_size();
-        fn new_remote(String, bool);
+        fn new_remote(String, String, bool);
         fn send_wol(String);
         fn remove_peer(String);
         fn remove_discovered(String);
@@ -655,6 +657,7 @@ impl sciter::EventHandler for UI {
         fn has_hwcodec();
         fn get_langs();
         fn default_video_save_directory();
+        fn handle_relay_id(String);
     }
 }
 
@@ -720,9 +723,13 @@ pub fn value_crash_workaround(values: &[Value]) -> Arc<Vec<Value>> {
 }
 
 #[inline]
-pub fn new_remote(id: String, remote_type: String) {
+pub fn new_remote(id: String, remote_type: String, force_relay: bool) {
     let mut lock = CHILDREN.lock().unwrap();
-    let args = vec![format!("--{}", remote_type), id.clone()];
+    let mut args = vec![format!("--{}", remote_type), id.clone()];
+    if force_relay {
+        args.push("".to_string()); // password
+        args.push("--relay".to_string());
+    }
     let key = (id.clone(), remote_type.clone());
     if let Some(c) = lock.1.get_mut(&key) {
         if let Ok(Some(_)) = c.try_wait() {
diff --git a/src/ui/index.tis b/src/ui/index.tis
index ec2e0a748..0e2247070 100644
--- a/src/ui/index.tis
+++ b/src/ui/index.tis
@@ -62,12 +62,15 @@ function createNewConnect(id, type) {
     id = id.replace(/\s/g, "");
     app.remote_id.value = formatId(id);
     if (!id) return;
+    var old_id = id;
+    id = handler.handle_relay_id(id);
+    var force_relay = old_id != id; 
     if (id == my_id) {
         msgbox("custom-error", "Error", "You cannot connect to your own computer");
         return;
     }
     handler.set_remote_id(id);
-    handler.new_remote(id, type);
+    handler.new_remote(id, type, force_relay);
 }
 
 class ShareRdp: Reactor.Component {
diff --git a/src/ui/remote.rs b/src/ui/remote.rs
index 7b31c84e9..ed16f1e0e 100644
--- a/src/ui/remote.rs
+++ b/src/ui/remote.rs
@@ -277,6 +277,8 @@ impl InvokeUiSession for SciterHandler {
 
     fn switch_back(&self, _id: &str) {}
 
+    fn portable_service_running(&self, _running: bool) {}
+
     fn on_voice_call_started(&self) {
         self.call("onVoiceCallStart", &make_args!());
     }
@@ -460,6 +462,7 @@ impl sciter::EventHandler for SciterSession {
 
 impl SciterSession {
     pub fn new(cmd: String, id: String, password: String, args: Vec<String>) -> Self {
+        let force_relay = args.contains(&"--relay".to_string());
         let session: Session<SciterHandler> = Session {
             id: id.clone(),
             password: password.clone(),
@@ -484,7 +487,7 @@ impl SciterSession {
             .lc
             .write()
             .unwrap()
-            .initialize(id, conn_type, None, false);
+            .initialize(id, conn_type, None, force_relay);
 
         Self(session)
     }
diff --git a/src/ui_interface.rs b/src/ui_interface.rs
index dd111f86e..471150f60 100644
--- a/src/ui_interface.rs
+++ b/src/ui_interface.rs
@@ -596,6 +596,13 @@ pub fn get_lan_peers() -> Vec<HashMap<&'static str, String>> {
         .collect()
 }
 
+#[inline]
+pub fn remove_discovered(id: String) {
+    let mut peers = config::LanPeers::load().peers;
+    peers.retain(|x| x.id != id);
+    config::LanPeers::store(&peers);
+}
+
 #[inline]
 pub fn get_uuid() -> String {
     base64::encode(hbb_common::get_uuid())
@@ -700,10 +707,10 @@ pub fn is_root() -> bool {
 pub fn check_super_user_permission() -> bool {
     #[cfg(feature = "flatpak")]
     return true;
-    #[cfg(any(windows, target_os = "linux"))]
+    #[cfg(any(windows, target_os = "linux", target_os = "macos"))]
     return crate::platform::check_super_user_permission().unwrap_or(false);
-    #[cfg(not(any(windows, target_os = "linux")))]
-    true
+    #[cfg(not(any(windows, target_os = "linux", target_os = "macos")))]
+    return true;
 }
 
 #[allow(dead_code)]
@@ -963,3 +970,12 @@ async fn check_id(
     }
     ""
 }
+
+// if it's relay id, return id processed, otherwise return original id
+pub fn handle_relay_id(id: String) -> String {
+    if id.ends_with(r"\r") || id.ends_with(r"/r") {
+        id[0..id.len() - 2].to_string()
+    } else {
+        id
+    }
+}
diff --git a/src/ui_session_interface.rs b/src/ui_session_interface.rs
index f764aa3ed..11bcff925 100644
--- a/src/ui_session_interface.rs
+++ b/src/ui_session_interface.rs
@@ -882,6 +882,7 @@ pub trait InvokeUiSession: Send + Sync + Clone + 'static + Sized + Default {
     fn clipboard(&self, content: String);
     fn cancel_msgbox(&self, tag: &str);
     fn switch_back(&self, id: &str);
+    fn portable_service_running(&self, running: bool);
     fn on_voice_call_started(&self);
     fn on_voice_call_closed(&self, reason: &str);
     fn on_voice_call_waiting(&self);
diff --git a/vdi/README.md b/vdi/README.md
new file mode 100644
index 000000000..85e6ff194
--- /dev/null
+++ b/vdi/README.md
@@ -0,0 +1 @@
+# WIP
diff --git a/vdi/host/.devcontainer/Dockerfile b/vdi/host/.devcontainer/Dockerfile
new file mode 100644
index 000000000..f02042771
--- /dev/null
+++ b/vdi/host/.devcontainer/Dockerfile
@@ -0,0 +1,16 @@
+FROM rockylinux:9.1
+ENV HOME=/home/vscode
+ENV WORKDIR=$HOME/rustdesk/vdi/host
+
+# https://ciq.co/blog/top-10-things-to-do-after-rocky-linux-9-install/ also gpu driver install
+WORKDIR $HOME
+RUN dnf -y install epel-release
+RUN dnf config-manager --set-enabled crb
+RUN dnf -y install cargo libvpx-devel opus-devel usbredir-devel git cmake gcc-c++ pkg-config nasm yasm ninja-build automake libtool libva-devel libvdpau-devel llvm-devel
+WORKDIR /
+
+RUN git clone https://chromium.googlesource.com/libyuv/libyuv
+WORKDIR /libyuv
+RUN cmake . -DCMAKE_INSTALL_PREFIX=/user
+RUN make -j4 && make install
+WORKDIR /
\ No newline at end of file
diff --git a/vdi/host/.devcontainer/devcontainer.json b/vdi/host/.devcontainer/devcontainer.json
new file mode 100644
index 000000000..f0016b5b1
--- /dev/null
+++ b/vdi/host/.devcontainer/devcontainer.json
@@ -0,0 +1,28 @@
+{
+    "name": "rustdesk",
+    "build": {
+        "dockerfile": "./Dockerfile",
+        "context": "."
+    },
+    "workspaceMount": "source=${localWorkspaceFolder}/../..,target=/home/vscode/rustdesk,type=bind,consistency=cache",
+    "workspaceFolder": "/home/vscode/rustdesk/vdi/host",
+    "customizations": {
+        "vscode": {
+            "extensions": [
+                "vadimcn.vscode-lldb",
+                "mutantdino.resourcemonitor",
+                "rust-lang.rust-analyzer",
+                "tamasfe.even-better-toml",
+                "serayuzgur.crates",
+                "mhutchie.git-graph",
+                "formulahendry.terminal",
+                "eamodio.gitlens"
+            ],
+            "settings": {
+                "files.watcherExclude": {
+                    "**/target/**": true
+                }
+            }
+        }
+    }
+}
\ No newline at end of file
diff --git a/vdi/host/.gitignore b/vdi/host/.gitignore
new file mode 100644
index 000000000..ea8c4bf7f
--- /dev/null
+++ b/vdi/host/.gitignore
@@ -0,0 +1 @@
+/target
diff --git a/vdi/host/Cargo.lock b/vdi/host/Cargo.lock
new file mode 100644
index 000000000..7b7cf26bd
--- /dev/null
+++ b/vdi/host/Cargo.lock
@@ -0,0 +1,2147 @@
+# This file is automatically @generated by Cargo.
+# It is not intended for manual editing.
+version = 3
+
+[[package]]
+name = "addr2line"
+version = "0.19.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a76fd60b23679b7d19bd066031410fb7e458ccc5e958eb5c325888ce4baedc97"
+dependencies = [
+ "gimli",
+]
+
+[[package]]
+name = "adler"
+version = "1.0.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f26201604c87b1e01bd3d98f8d5d9a8fcbb815e8cedb41ffccbeb4bf593a35fe"
+
+[[package]]
+name = "ahash"
+version = "0.7.6"
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+checksum = "fcb51a0695d8f838b1ee009b3fbf66bda078cd64590202a864a8f3e8c4315c47"
+dependencies = [
+ "getrandom",
+ "once_cell",
+ "version_check",
+]
+
+[[package]]
+name = "aho-corasick"
+version = "0.7.20"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "cc936419f96fa211c1b9166887b38e5e40b19958e5b895be7c1f93adec7071ac"
+dependencies = [
+ "memchr",
+]
+
+[[package]]
+name = "android_system_properties"
+version = "0.1.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "819e7219dbd41043ac279b19830f2efc897156490d7fd6ea916720117ee66311"
+dependencies = [
+ "libc",
+]
+
+[[package]]
+name = "anyhow"
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+checksum = "224afbd727c3d6e4b90103ece64b8d1b67fbb1973b1046c2281eed3f3803f800"
+
+[[package]]
+name = "async-broadcast"
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+checksum = "90622698a1218e0b2fb846c97b5f19a0831f6baddee73d9454156365ccfa473b"
+dependencies = [
+ "easy-parallel",
+ "event-listener",
+ "futures-core",
+]
+
+[[package]]
+name = "async-broadcast"
+version = "0.4.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6d26004fe83b2d1cd3a97609b21e39f9a31535822210fe83205d2ce48866ea61"
+dependencies = [
+ "event-listener",
+ "futures-core",
+ "parking_lot",
+]
+
+[[package]]
+name = "async-channel"
+version = "1.8.0"
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+checksum = "cf46fee83e5ccffc220104713af3292ff9bc7c64c7de289f66dae8e38d826833"
+dependencies = [
+ "concurrent-queue",
+ "event-listener",
+ "futures-core",
+]
+
+[[package]]
+name = "async-executor"
+version = "1.5.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "17adb73da160dfb475c183343c8cccd80721ea5a605d3eb57125f0a7b7a92d0b"
+dependencies = [
+ "async-lock",
+ "async-task",
+ "concurrent-queue",
+ "fastrand",
+ "futures-lite",
+ "slab",
+]
+
+[[package]]
+name = "async-io"
+version = "1.12.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8c374dda1ed3e7d8f0d9ba58715f924862c63eae6849c92d3a18e7fbde9e2794"
+dependencies = [
+ "async-lock",
+ "autocfg",
+ "concurrent-queue",
+ "futures-lite",
+ "libc",
+ "log",
+ "parking",
+ "polling",
+ "slab",
+ "socket2 0.4.7",
+ "waker-fn",
+ "windows-sys 0.42.0",
+]
+
+[[package]]
+name = "async-lock"
+version = "2.6.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c8101efe8695a6c17e02911402145357e718ac92d3ff88ae8419e84b1707b685"
+dependencies = [
+ "event-listener",
+ "futures-lite",
+]
+
+[[package]]
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+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d7d78656ba01f1b93024b7c3a0467f1608e4be67d725749fdcd7d2c7678fd7a2"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
+[[package]]
+name = "async-task"
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+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7a40729d2133846d9ed0ea60a8b9541bccddab49cd30f0715a1da672fe9a2524"
+
+[[package]]
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+checksum = "1cd7fce9ba8c3c042128ce72d8b2ddbf3a05747efb67ea0313c635e10bda47a2"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
+[[package]]
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+ "hermit-abi 0.1.19",
+ "libc",
+ "winapi",
+]
+
+[[package]]
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+source = "registry+https://github.com/rust-lang/crates.io-index"
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+dependencies = [
+ "addr2line",
+ "cc",
+ "cfg-if",
+ "libc",
+ "miniz_oxide",
+ "object",
+ "rustc-demangle",
+]
+
+[[package]]
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+version = "1.3.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
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+
+[[package]]
+name = "bumpalo"
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+[[package]]
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+source = "registry+https://github.com/rust-lang/crates.io-index"
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+
+[[package]]
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+version = "1.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "89b2fd2a0dcf38d7971e2194b6b6eebab45ae01067456a7fd93d5547a61b70be"
+dependencies = [
+ "serde",
+]
+
+[[package]]
+name = "cc"
+version = "1.0.79"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "50d30906286121d95be3d479533b458f87493b30a4b5f79a607db8f5d11aa91f"
+dependencies = [
+ "jobserver",
+]
+
+[[package]]
+name = "cfg-if"
+version = "1.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd"
+
+[[package]]
+name = "chrono"
+version = "0.4.23"
+source = "registry+https://github.com/rust-lang/crates.io-index"
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+dependencies = [
+ "iana-time-zone",
+ "js-sys",
+ "num-integer",
+ "num-traits",
+ "time",
+ "wasm-bindgen",
+ "winapi",
+]
+
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+version = "1.6.2+zstd.1.5.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2daf2f248d9ea44454bfcb2516534e8b8ad2fc91bf818a1885495fc42bc8ac9f"
+dependencies = [
+ "cc",
+ "libc",
+]
+
+[[package]]
+name = "zvariant"
+version = "3.11.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "903169c05b9ab948ee93fefc9127d08930df4ce031d46c980784274439803e51"
+dependencies = [
+ "byteorder",
+ "enumflags2",
+ "libc",
+ "serde",
+ "serde_bytes",
+ "static_assertions",
+ "zvariant_derive",
+]
+
+[[package]]
+name = "zvariant_derive"
+version = "3.11.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "cce76636e8fab7911be67211cf378c252b115ee7f2bae14b18b84821b39260b5"
+dependencies = [
+ "proc-macro-crate",
+ "proc-macro2",
+ "quote",
+ "syn",
+]
diff --git a/vdi/host/Cargo.toml b/vdi/host/Cargo.toml
new file mode 100644
index 000000000..6a67813a2
--- /dev/null
+++ b/vdi/host/Cargo.toml
@@ -0,0 +1,9 @@
+[package]
+name = "qemu-rustdesk"
+version = "0.1.0"
+authors = ["rustdesk <info@rustdesk.com>"]
+edition = "2021"
+
+[dependencies]
+qemu-display = { git = "https://gitlab.com/marcandre.lureau/qemu-display" }
+hbb_common = { path = "../../libs/hbb_common" }
diff --git a/vdi/host/README.md b/vdi/host/README.md
new file mode 100644
index 000000000..3b29a10e3
--- /dev/null
+++ b/vdi/host/README.md
@@ -0,0 +1 @@
+# RustDesk protocol on QEMU D-Bus display
diff --git a/vdi/host/src/main.rs b/vdi/host/src/main.rs
new file mode 100644
index 000000000..f79c691f0
--- /dev/null
+++ b/vdi/host/src/main.rs
@@ -0,0 +1,2 @@
+fn main() {
+}