diff --git a/CAPI/python/requirements.txt b/CAPI/python/requirements.txt
index 951bae7..61138d4 100644
--- a/CAPI/python/requirements.txt
+++ b/CAPI/python/requirements.txt
@@ -1,3 +1,3 @@
 grpcio==1.54.2
-grpcio-tools==1.54.0
+grpcio-tools==1.54.2
 numpy
diff --git a/installer/Installer/MainWindow.xaml b/installer/Installer/MainWindow.xaml
index 85f52ab..0fb4135 100644
--- a/installer/Installer/MainWindow.xaml
+++ b/installer/Installer/MainWindow.xaml
@@ -52,7 +52,7 @@
         <Button Grid.Row="6" Grid.Column="2" Grid.ColumnSpan="2" Name="UninstBtn" Content="卸载选手包" Command="{Binding ClickUninstCommand}" Visibility="{Binding MenuVis}" />
         <Button Grid.Row="7" Grid.Column="2" Grid.ColumnSpan="2" Name="MenuBackBtn" Content="回到登陆界面" Command="{Binding ClickBackCommand}" Visibility="{Binding MenuVis}" />
 
-        <TextBlock Grid.Row="3" Grid.Column="3" Text="正在处理……" Grid.ColumnSpan="2" Visibility="{Binding ProgressVis}"/>
+        <TextBlock Grid.Row="3" Grid.Column="3" Text="{Binding ProcessingIntro}" Grid.ColumnSpan="2" Visibility="{Binding ProgressVis}"/>
         <ProgressBar Grid.Row="5" Grid.Column="1" Grid.ColumnSpan="7" Minimum="0" Maximum="100" Name="Progress" Visibility="{Binding ProgressVis}" IsIndeterminate="True"/>
 
         <TextBlock Grid.Row="4" Grid.Column="1" Grid.ColumnSpan="4" Text="操作完成！你可以继续操作或退出" Visibility="{Binding CompleteVis}"/>
@@ -81,10 +81,21 @@
                 <TextBlock Grid.Row="5" Grid.Column="1" Foreground="Red" Text="    用户名或密码错误！" Visibility="{Binding LoginFailVis}"/>
             </Grid>
         </StackPanel>
-        
-        <Button Grid.Row="7" Grid.Column="1"  Name="Login" Content="登录" Command="{Binding ClickLoginCommand}" Visibility="{Binding LoginVis}"/>
-        <Button Grid.Row="7" Grid.Column="2"  Name="Launch" FontSize="11" Content="{Binding LaunchBtnCont}" Command="{Binding ClickLaunchCommand}" Visibility="{Binding LoginVis}"/>
-        <Button Grid.Row="7" Grid.Column="3" Name="ShiftLanguage" FontSize="11" Content="更改语言" Command="{Binding ClickShiftLanguageCommand}" Visibility="{Binding LaunchVis}"/>
+        <StackPanel Grid.Row="7" Grid.Column="1" Grid.ColumnSpan="3">
+            <Grid>
+                <Grid.RowDefinitions>
+                    <RowDefinition Height="20"/>
+                </Grid.RowDefinitions>
+                <Grid.ColumnDefinitions>
+                    <ColumnDefinition Width="70"/>
+                    <ColumnDefinition Width="70"/>
+                    <ColumnDefinition Width="60"/>
+                </Grid.ColumnDefinitions>
+                <Button Grid.Row="0" Grid.Column="0"  Name="Login" Content="登录" Command="{Binding ClickLoginCommand}" Visibility="{Binding LoginVis}"/>
+                <Button Grid.Row="0" Grid.Column="1"  Name="Launch" Content="{Binding LaunchBtnCont}" Command="{Binding ClickLaunchCommand}" Visibility="{Binding LoginVis}" IsEnabled="{Binding UpdatePlanned}"/>
+                <Button Grid.Row="0" Grid.Column="2" Name="ShiftLanguage" FontSize="11" Content="配置启动器" Command="{Binding ClickShiftLanguageCommand}" Visibility="{Binding LaunchVis}" IsEnabled="False"/>
+            </Grid>
+        </StackPanel>
         <Button Grid.Row="7" Grid.Column="4" Grid.ColumnSpan="2" Name="Edit" Content="修改文件" Command="{Binding ClickEditCommand}" Visibility="{Binding LoginVis}"/>
 
 
@@ -114,5 +125,40 @@
         <Button Grid.Row="3" Grid.Column="3" Grid.ColumnSpan="2" Content="申请对战" IsEnabled="False" Command="{Binding ClickRequestCommand}" Visibility="{Binding WebVis}" />
         <TextBox Grid.Row="4" Grid.Column="3" Grid.ColumnSpan="2" Text="暂不支持" IsEnabled="False" Visibility="{Binding WebVis}" />
         
+        <!--objects below are enabled-->
+        <StackPanel Grid.Row="2" Grid.Column="1" Grid.ColumnSpan="7">
+            <Grid>
+                <Grid.RowDefinitions>
+                    <RowDefinition Height="20"/>
+                </Grid.RowDefinitions>
+                <Grid.ColumnDefinitions>
+                    <ColumnDefinition Width="90"/>
+                    <ColumnDefinition Width="90"/>
+                    <ColumnDefinition Width="90"/>
+                    <ColumnDefinition Width="*"/>
+                </Grid.ColumnDefinitions>
+                <Button Grid.Column="0" Name ="ConfigServer" Content="服务端" Command="{Binding ClickCfgServCommand}" IsEnabled="{Binding ServerCfgNotSelected}" Visibility="{Binding CfgVis}"/>
+                <Button Grid.Column="1" Name ="ConfigAI" Content="客户端" Command="{Binding ClickCfgCliCommand}" IsEnabled="{Binding CliCfhNotSelected}" Visibility="{Binding CfgVis}"/>
+                <Button Grid.Column="2" Name ="ConfigCliend" Content="图形界面" Command="{Binding ClickCfgGUICommand}" IsEnabled="{Binding GUICfgNotSelected}" Visibility="{Binding CfgVis}"/>
+            </Grid>
+        </StackPanel>
+        <StackPanel Grid.Row="3" Grid.Column="1" Grid.RowSpan="5" Grid.ColumnSpan="7">
+            <Grid>
+                <Grid.RowDefinitions>
+                    <RowDefinition Height="20"/>
+                    <RowDefinition Height="20"/>
+                    <RowDefinition Height="20"/>
+                    <RowDefinition Height="20"/>
+                    <RowDefinition Height="20"/>
+                </Grid.RowDefinitions>
+                <Grid.ColumnDefinitions>
+                    <ColumnDefinition Width="50"/>
+                    <ColumnDefinition Width="75"/>
+                    <ColumnDefinition Width="25"/>
+                    <ColumnDefinition Width="75"/>
+                    <ColumnDefinition Width="*"/>
+                </Grid.ColumnDefinitions>
+            </Grid>
+        </StackPanel>
     </Grid>
 </Window>
diff --git a/installer/Installer/Model.cs b/installer/Installer/Model.cs
index 7e70113..18128c4 100644
--- a/installer/Installer/Model.cs
+++ b/installer/Installer/Model.cs
@@ -405,7 +405,7 @@ namespace starter.viewmodel.settings
         /// <summary>
         /// 关于介绍的屏幕显示信息
         /// </summary>
-        public enum Status { newUser, menu, move, working, disconnected, error, successful, login, web };
+        public enum Status { newUser, menu, move, working, initializing, disconnected, error, successful, login, web, launch };
         public Status status
         {
             get; set;
@@ -881,7 +881,7 @@ namespace Downloader
                         int upcnt = updateFileName.Count;
                         if (upcnt <= 20)
                         {
-                            while (newFileName.TryDequeue(out var filename))
+                            while (updateFileName.TryDequeue(out var filename))
                             {
                                 try
                                 {
diff --git a/installer/Installer/ViewModel.cs b/installer/Installer/ViewModel.cs
index ed25391..0baa631 100644
--- a/installer/Installer/ViewModel.cs
+++ b/installer/Installer/ViewModel.cs
@@ -22,6 +22,7 @@ namespace starter.viewmodel.settings
         //定义BackgroundWorker
         BackgroundWorker asyncDownloader;
         BackgroundWorker asyncUpdater;
+        BackgroundWorker asyncInitializer;
         /// <summary>
         /// Model object
         /// </summary>
@@ -38,7 +39,7 @@ namespace starter.viewmodel.settings
             Status = SettingsModel.Status.working;
             string currentDirectory = System.IO.Path.GetDirectoryName(System.Diagnostics.Process.GetCurrentProcess().MainModule?.FileName)
                 ?? throw new Exception("Fail to get current directory");
-            MessageBox.Show("更新器工作正常");
+            //MessageBox.Show("更新器工作正常");
             if (!Program.Tencent_cos_download.SelfUpdateDismissed())
             {
                 switch (Program.Tencent_cos_download.CheckSelfVersion())
@@ -53,49 +54,91 @@ namespace starter.viewmodel.settings
                 }
             }
 
-            //实例化BackgroundWorker
-            asyncDownloader = 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;
-            asyncUpdater.WorkerReportsProgress = true;
-            //挂载方法：
-            asyncDownloader.DoWork += AsyncDownloader_DoWork;
-            asyncUpdater.DoWork += AsyncUpdater_DoWork;
-            //完成通知器：
-            asyncDownloader.RunWorkerCompleted += AsyncDownloader_RunWorkerCompleted;
-            asyncUpdater.RunWorkerCompleted += AsyncUpdater_RunWorkerCompleted;
-
             UpdateInfoVis = Visibility.Collapsed;
 
-            if (Downloader.Program.Tencent_cos_download.CheckAlreadyDownload())
+            asyncInitializer = new BackgroundWorker();
+            asyncInitializer.WorkerReportsProgress = true;
+            asyncInitializer.DoWork += AsyncInitializer_DoWork;
+            asyncInitializer.RunWorkerCompleted += AsyncInitializer_RunWorkerCompleted;
+
+            asyncInitializer.RunWorkerAsync();
+            Status = SettingsModel.Status.initializing;
+
+        }
+
+        private void AsyncInitializer_RunWorkerCompleted(object? sender, RunWorkerCompletedEventArgs e)
+        {
+            if (e.Result == null)
+            {
+                Status = SettingsModel.Status.error;
+            }
+            else if ((int)e.Result == 1)
             {
-                obj.checkUpdate();
                 Status = SettingsModel.Status.login;
-                this.RaisePropertyChanged("WindowWidth");
                 this.RaisePropertyChanged("LaunchVis");
-                if (obj.RecallUser())
-                    RememberMe = true;
-                else
-                    RememberMe = false;
                 this.RaisePropertyChanged("RememberMe");
                 this.RaisePropertyChanged("SwitchOSBtnCont");
-                //在启动时立刻检查更新，确保选手启动最新版选手包
-                //若有更新，将启动键改为更新键；
-                //相应地，使用login界面启动；
-                //结构：上方为登录框架，下方有“修改选手包”按钮
-
-                //下面几行是用来运行测试的代码
-                //Program.RunProgram.StartServerForDebug("0.0.0.0",8888,4,1,600,"video");
-                //Program.RunProgram.RunCpp("127.0.0.1",8888,4,1,false,true,false);
-                //Program.RunProgram.RunGUIClient("127.0.0.1", 8888, 0, true);
+                this.RaisePropertyChanged("UpdateBtnCont");
+                this.RaisePropertyChanged("LaunchBtnCont");
+                this.RaisePropertyChanged("Updateinfo");
+                this.RaisePropertyChanged("UpdatePlanned");
             }
             else
             {
                 Route = Environment.GetEnvironmentVariable("USERPROFILE") + "\\THUAI6";
                 Status = SettingsModel.Status.newUser;
-                this.RaisePropertyChanged("WindowWidth");
+            }
+        }
+
+        private void AsyncInitializer_DoWork(object? sender, DoWorkEventArgs e)
+        {
+            if (asyncInitializer.CancellationPending)
+            {
+                Status = SettingsModel.Status.error;
+                e.Cancel = true;
+                return;
+            }
+            else
+            {
+                //实例化BackgroundWorker
+                asyncDownloader = 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;
+                asyncUpdater.WorkerReportsProgress = true;
+                //挂载方法：
+                asyncDownloader.DoWork += AsyncDownloader_DoWork;
+                asyncUpdater.DoWork += AsyncUpdater_DoWork;
+                //完成通知器：
+                asyncDownloader.RunWorkerCompleted += AsyncDownloader_RunWorkerCompleted;
+                asyncUpdater.RunWorkerCompleted += AsyncUpdater_RunWorkerCompleted;
+
+                if (Downloader.Program.Tencent_cos_download.CheckAlreadyDownload())
+                {
+                    obj.checkUpdate();
+
+                    if (obj.RecallUser())
+                        RememberMe = true;
+                    else
+                        RememberMe = false;
+
+                    //在启动时立刻检查更新，确保选手启动最新版选手包
+                    //若有更新，将启动键改为更新键；
+                    //相应地，使用login界面启动；
+                    //结构：上方为登录框架，下方有“修改选手包”按钮
+
+                    //下面几行是用来运行测试的代码
+                    //Program.RunProgram.StartServerForDebug("0.0.0.0",8888,4,1,600,"video");
+                    //Program.RunProgram.RunCpp("127.0.0.1",8888,4,1,false,true,false);
+                    //Program.RunProgram.RunGUIClient("127.0.0.1", 8888, 0, true);
+
+                    e.Result = 1;
+                }
+                else
+                {
+                    e.Result = 2;
+                }
             }
         }
 
@@ -153,6 +196,7 @@ namespace starter.viewmodel.settings
                     this.RaisePropertyChanged("UpdateInfo");
                     this.RaisePropertyChanged("LaunchBtnCont");
                 }
+                this.RaisePropertyChanged("UpdatePlanned");
             }
         }
 
@@ -257,6 +301,7 @@ namespace starter.viewmodel.settings
                 this.RaisePropertyChanged("LaunchVis");
                 this.RaisePropertyChanged("NewUserVis");
                 this.RaisePropertyChanged("ConfirmBtnCont");
+                this.RaisePropertyChanged("ProcessingIntro");
             }
         }
         public string Intro
@@ -298,6 +343,21 @@ namespace starter.viewmodel.settings
                 }
             }
         }
+        public string ProcessingIntro
+        {
+            get
+            {
+                switch (Status)
+                {
+                    case SettingsModel.Status.working:
+                        return "正在下载";
+                    case SettingsModel.Status.initializing:
+                        return "正在检查更新";
+                    default:
+                        return "";
+                }
+            }
+        }
         public string AbortOrSelLanguage
         {
             get
@@ -453,7 +513,7 @@ namespace starter.viewmodel.settings
         {
             get
             {
-                return Status == SettingsModel.Status.working ? Visibility.Visible : Visibility.Collapsed;
+                return (Status == SettingsModel.Status.working || Status == SettingsModel.Status.initializing) ? Visibility.Visible : Visibility.Collapsed;
             }
         }
         public Visibility CompleteVis
@@ -508,6 +568,13 @@ namespace starter.viewmodel.settings
                 return obj.status == SettingsModel.Status.login && (!obj.UpdatePlanned) ? Visibility.Visible : Visibility.Collapsed;
             }
         }
+        public Visibility CfgVis
+        {
+            get
+            {
+                return obj.status == SettingsModel.Status.launch ? Visibility.Visible : Visibility.Collapsed;
+            }
+        }
 
         public string UpdateBtnCont
         {
@@ -534,9 +601,9 @@ namespace starter.viewmodel.settings
                 if (obj.UpdatePlanned)
                     ans = "更新";
                 else if (obj.launchLanguage == SettingsModel.LaunchLanguage.cpp)
-                    ans = "启动c++包";
+                    ans = "启动选手包";
                 else
-                    ans = "启动python包";
+                    ans = "启动选手包";
                 return ans;
             }
         }
@@ -570,6 +637,11 @@ namespace starter.viewmodel.settings
             }
         }
 
+        public bool UpdatePlanned
+        {
+            get { return obj.UpdatePlanned; }
+        }
+
         public string RouteSelectWindow(string type)
         {
             if (type == "Folder")
@@ -719,6 +791,7 @@ namespace starter.viewmodel.settings
                             this.RaisePropertyChanged("UpdateBtnCont");
                             this.RaisePropertyChanged("UpdateInfo");
                             this.RaisePropertyChanged("LaunchVis");
+                            this.RaisePropertyChanged("UpdatePlanned");
                         }
                     }));
                 }