diff --git a/CMakeLists.txt b/CMakeLists.txt
index ecce87c..3d938d3 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -86,8 +86,10 @@ configure_file(${PROJECT_SOURCE_DIR}/config.h.in ${PROJECT_SOURCE_DIR}/src/butil
 
 set(CMAKE_MODULE_PATH ${PROJECT_SOURCE_DIR}/cmake)
 
-find_package(GFLAGS REQUIRED)
-
+set(GFLAGS_USE_TARGET_NAMESPACE ON)
+find_package(gflags CONFIG REQUIRED)
+set(GFLAGS_LIBRARY gflags::gflags)
+if(0)
 execute_process(
     COMMAND bash -c "grep \"namespace [_A-Za-z0-9]\\+ {\" ${GFLAGS_INCLUDE_PATH}/gflags/gflags_declare.h | head -1 | awk '{print $2}' | tr -d '\n'"
     OUTPUT_VARIABLE GFLAGS_NS
@@ -98,6 +100,8 @@ if(${GFLAGS_NS} STREQUAL "GFLAGS_NAMESPACE")
         OUTPUT_VARIABLE GFLAGS_NS
     )
 endif()
+endif()
+set(GFLAGS_NS "google")
 
 include_directories(
     ${PROJECT_SOURCE_DIR}/src
@@ -127,19 +131,19 @@ set(CMAKE_CPP_FLAGS "${CMAKE_CPP_FLAGS} ${DEBUG_SYMBOL} ${THRIFT_CPP_FLAG}")
 set(CMAKE_CXX_FLAGS "${CMAKE_CPP_FLAGS} -O2 -pipe -Wall -W -fPIC -fstrict-aliasing -Wno-invalid-offsetof -Wno-unused-parameter -fno-omit-frame-pointer")
 set(CMAKE_C_FLAGS "${CMAKE_CPP_FLAGS} -O2 -pipe -Wall -W -fPIC -fstrict-aliasing -Wno-unused-parameter -fno-omit-frame-pointer")
 
-macro(use_cxx11)
+macro(use_cxx14)
 if(CMAKE_VERSION VERSION_LESS "3.1.3")
     if(CMAKE_CXX_COMPILER_ID STREQUAL "GNU")
-        set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11")
+        set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++14")
     endif()
     if(CMAKE_CXX_COMPILER_ID STREQUAL "Clang")
-        set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11")
+        set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++14")
     endif()
 else()
-    set(CMAKE_CXX_STANDARD 11)
+    set(CMAKE_CXX_STANDARD 14)
     set(CMAKE_CXX_STANDARD_REQUIRED ON)
 endif()
-endmacro(use_cxx11)
+endmacro(use_cxx14)
 
 if(CMAKE_CXX_COMPILER_ID STREQUAL "GNU")
     #required by butil/crc32.cc to boost performance for 10x
@@ -199,7 +203,7 @@ if(Protobuf_VERSION GREATER 4.21)
         absl::variant
     )
 else()
-    use_cxx11()
+    use_cxx14()
 endif()
 find_package(Threads REQUIRED)
 find_package(ZLIB REQUIRED)
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 8e836a4..c1b1f36 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -30,6 +30,10 @@ add_dependencies(SOURCES_LIB PROTO_LIB)
 # shared library needs POSITION_INDEPENDENT_CODE
 set_property(TARGET ${SOURCES_LIB} PROPERTY POSITION_INDEPENDENT_CODE 1)
 set_property(TARGET ${BUTIL_LIB} PROPERTY POSITION_INDEPENDENT_CODE 1)
+if(BRPC_WITH_GLOG)
+    target_link_libraries(BUTIL_LIB PUBLIC ${GLOG_LIB})
+    target_link_libraries(SOURCES_LIB PUBLIC ${GLOG_LIB})
+endif()
 
 if(NOT BUILD_SHARED_LIBS)
 add_library(brpc-static STATIC $<TARGET_OBJECTS:BUTIL_LIB>
@@ -65,9 +69,7 @@ if(WITH_THRIFT)
 endif()
 
 target_link_libraries(brpc-static PUBLIC ${DYNAMIC_LIB})
-if(BRPC_WITH_GLOG)
-    target_link_libraries(brpc-static PUBLIC ${GLOG_LIB})
-endif()
+
 target_include_directories(brpc-static PUBLIC $<INSTALL_INTERFACE:include>)
 
 SET_TARGET_PROPERTIES(brpc-static PROPERTIES OUTPUT_NAME brpc CLEAN_DIRECT_OUTPUT 1)
@@ -90,9 +92,7 @@ if(BUILD_SHARED_LIBS)
                                    $<TARGET_OBJECTS:PROTO_LIB>)
     target_link_libraries(brpc-shared PUBLIC ${DYNAMIC_LIB})
     target_include_directories(brpc-shared PUBLIC $<INSTALL_INTERFACE:include>)
-    if(WITH_GLOG)
-        target_link_libraries(brpc-shared PUBLIC ${GLOG_LIB})
-    endif()
+
     if(WITH_THRIFT)
         target_link_libraries(brpc-shared PUBLIC ${THRIFT_LIB})
     endif()