diff --git a/installer/Installer/Model.cs b/installer/Installer/Model.cs
index ff08b7f..3f9646c 100644
--- a/installer/Installer/Model.cs
+++ b/installer/Installer/Model.cs
@@ -170,7 +170,7 @@ namespace starter.viewmodel.settings
         }
         public int Uninst()
         {
-           return Tencent_cos_download.DeleteAll();
+            return Tencent_cos_download.DeleteAll();
         }
 
         public bool Launch()
@@ -292,12 +292,12 @@ namespace starter.viewmodel.settings
         }
         public bool RememberMe
         {
-            get;set;
+            get; set;
         }
-        public enum LaunchLanguage { cpp,python };
+        public enum LaunchLanguage { cpp, python };
         public LaunchLanguage launchLanguage
         {
-            get;set;
+            get; set;
         }
     }
 }
@@ -633,7 +633,7 @@ namespace Downloader
                 int newFile = 0, updateFile = 0;
                 int totalnew = newFileName.Count, totalupdate = updateFileName.Count;
                 filenum = totalnew + totalupdate;
-                
+
                 if (newFileName.Count > 0 || updateFileName.Count > 0)
                 {
                     try
diff --git a/installer/Installer/ViewModel.cs b/installer/Installer/ViewModel.cs
index 0757a13..115286c 100644
--- a/installer/Installer/ViewModel.cs
+++ b/installer/Installer/ViewModel.cs
@@ -35,7 +35,7 @@ namespace starter.viewmodel.settings
 
             //实例化BackgroundWorker
             asyncDownloader = new BackgroundWorker();
-            asyncUpdater= new BackgroundWorker();
+            asyncUpdater = new BackgroundWorker();
             //指示BackgroundWorker是否可以报告进度更新
             //当该属性值为True是，将可以成功调用ReportProgress方法，否则将引发InvalidOperationException异常。
             asyncDownloader.WorkerReportsProgress = true;
@@ -419,7 +419,7 @@ namespace starter.viewmodel.settings
 
         public Visibility UpdateInfoVis
         {
-            get;set;
+            get; set;
         }
 
         public Visibility LaunchVis
@@ -665,7 +665,7 @@ namespace starter.viewmodel.settings
                                 break;
 
                         }
-                        
+
                     }));
                 }
                 return clickUninstCommand;