diff --git a/Wox.Infrastructure/Storage/BaseStorage.cs b/Wox.Infrastructure/Storage/BaseStorage.cs
index c72bf63c35..1b6c7c078e 100644
--- a/Wox.Infrastructure/Storage/BaseStorage.cs
+++ b/Wox.Infrastructure/Storage/BaseStorage.cs
@@ -79,7 +79,7 @@ namespace Wox.Infrastructure.Storage
         /// <returns></returns>
         protected virtual T LoadDefault()
         {
-            return serializedObject;
+            return new T();
         }
 
         protected abstract void LoadInternal();
diff --git a/Wox.Infrastructure/Storage/BinaryStorage.cs b/Wox.Infrastructure/Storage/BinaryStorage.cs
index 39f1a43b7a..c0e8be63cf 100644
--- a/Wox.Infrastructure/Storage/BinaryStorage.cs
+++ b/Wox.Infrastructure/Storage/BinaryStorage.cs
@@ -25,10 +25,20 @@ namespace Wox.Infrastructure.Storage
         {
             try
             {
-                FileStream fileStream = new FileStream(ConfigPath, FileMode.Open, FileAccess.Read, FileShare.ReadWrite);
-                BinaryFormatter binaryFormatter = new BinaryFormatter();
-                serializedObject = binaryFormatter.Deserialize(fileStream) as T;
-                fileStream.Close();
+                using (FileStream fileStream = new FileStream(ConfigPath, FileMode.Open, FileAccess.Read, FileShare.ReadWrite))
+                {
+                    BinaryFormatter binaryFormatter = new BinaryFormatter();
+                    serializedObject = binaryFormatter.Deserialize(fileStream) as T;
+                    if (serializedObject == null)
+                    {
+                        serializedObject = LoadDefault();
+#if (DEBUG)
+                        {
+                            throw new Exception("deserialize failed");
+                        }
+#endif
+                    }
+                }
             }
             catch (Exception)
             {
diff --git a/Wox.Infrastructure/Storage/UserSettings/UserSettingStorage.cs b/Wox.Infrastructure/Storage/UserSettings/UserSettingStorage.cs
index f7bf665525..1dd42a4044 100644
--- a/Wox.Infrastructure/Storage/UserSettings/UserSettingStorage.cs
+++ b/Wox.Infrastructure/Storage/UserSettings/UserSettingStorage.cs
@@ -153,7 +153,7 @@ namespace Wox.Infrastructure.Storage.UserSettings
         {
             DontPromptUpdateMsg = false;
             Theme = "Dark";
-            Language = "English";
+            Language = "en";
             ReplaceWinR = true;
             WebSearches = LoadDefaultWebSearches();
             ProgramSources = new List<ProgramSource>();
@@ -189,7 +189,7 @@ namespace Wox.Infrastructure.Storage.UserSettings
             }
             if (storage.Language == null)
             {
-                storage.Language = "English";
+                storage.Language = "en";
             }
         }
     }