diff --git a/BarrageGrab/App.config b/BarrageGrab/App.config
index 5a5fae5..6a5a82d 100644
--- a/BarrageGrab/App.config
+++ b/BarrageGrab/App.config
@@ -1,38 +1,38 @@
-<?xml version="1.0" encoding="utf-8"?>
+<?xml version="1.0" encoding="utf-8"?>
 <configuration>
   <!--配置更改后重启才能生效-->
   <appSettings>
     <!--过滤Websocket数据源进程,可用','进行分隔，程序将会监听以下进程的弹幕信息-->
-    <add key="processFilter" value="直播伴侣,douyin,chrome,msedge,QQBrowser,360se,firefox,2345explorer,iexplore" />
+    <add key="processFilter" value="直播伴侣,douyin,chrome,msedge,QQBrowser,360se,firefox,2345explorer,iexplore"/>
     <!--Websocket监听端口-->
-    <add key="wsListenPort" value="8888" />
+    <add key="wsListenPort" value="8888"/>
     <!--true:监听在0.0.0.0，接受任意Ip连接，false:监听在127.0.0.1，仅接受本机连接-->
-    <add key="listenAny" value="true" />	  
+    <add key="listenAny" value="true"/>	  
     <!--系统代理端口-->
-    <add key="proxyPort" value="8827" />
+    <add key="proxyPort" value="8827"/>
 	<!--上游代理地址，例如开启了系统代理，但是需要将其他无关请求转发到VPN工具中,例如:127.0.0.1:11223,不要带http://-->
 	<add key="upstreamProxy" value=""/>
     <!--在控制台输出弹幕-->
-    <add key="printBarrage" value="true" />
+    <add key="printBarrage" value="true"/>
     <!--要在控制台打印的弹幕类型,可以用','隔开   all[全部]，1[普通弹幕]，2[点赞消息]，3[进入直播间]，4[关注消息]，5[礼物消息]，6[统计消息]，7[粉丝团消息]-->
-    <add key="printFilter" value="all" />
+    <add key="printFilter" value="all"/>
     <!--是否启用系统代理,若设置为false 则需要在程序手动指定代理地址 -->
-    <add key="usedProxy" value="true" />
+    <add key="usedProxy" value="true"/>
     <!--开启内置的域名过滤，设置为false会解包所有https请求，cpu占用很高，建议在无法获取弹幕数据时调整 -->
-    <add key="filterHostName" value="true" />
+    <add key="filterHostName" value="true"/>
     <!--已知的弹幕域名列表 ','分隔  用作过滤规则中，凡是webcast开头的域名程序都会自动列入白名单-->
-    <add key="hostNameFilter" value="" />
+    <add key="hostNameFilter" value=""/>
     <!--要进行过滤的房间ID,不填代表监听所有，多项使用','分隔，浏览器进入直播间 F12 控制台输入 'window.localStorage.playRoom' 即可快速看到房间ID(不是地址栏中的那个) -->
-    <add key="roomIds" value="" />
-	<!--隐藏控制台-->
-	<add key="hideConsole" value="false" />
+    <add key="roomIds" value=""/>
+	  <!--隐藏控制台-->
+	  <add key="hideConsole" value="false"/>
   </appSettings>
   <runtime>
     <assemblyBinding xmlns="urn:schemas-microsoft-com:asm.v1">
       <dependentAssembly>
-        <assemblyIdentity name="System.Memory" publicKeyToken="cc7b13ffcd2ddd51" culture="neutral" />
-        <bindingRedirect oldVersion="0.0.0.0-4.0.1.2" newVersion="4.0.1.2" />
+        <assemblyIdentity name="System.Memory" publicKeyToken="cc7b13ffcd2ddd51" culture="neutral"/>
+        <bindingRedirect oldVersion="0.0.0.0-4.0.1.2" newVersion="4.0.1.2"/>
       </dependentAssembly>
     </assemblyBinding>
   </runtime>
-</configuration>
\ No newline at end of file
+<startup><supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.6.2"/></startup></configuration>
diff --git a/BarrageGrab/AppRuntime.cs b/BarrageGrab/AppRuntime.cs
index b53ede1..7d51e9e 100644
--- a/BarrageGrab/AppRuntime.cs
+++ b/BarrageGrab/AppRuntime.cs
@@ -37,6 +37,30 @@ namespace BarrageGrab
            
         }
 
+        /// <summary>
+        /// 隐藏/显示 控制台
+        /// </summary>
+        /// <param name="show"></param>
+        public static void DisplayConsole(bool show)
+        {
+            //var hWnd = WinApi.FindWindow(null, Console.Title);            
+            var hWnd = WinApi.GetConsoleWindow();
+            if (hWnd != IntPtr.Zero)
+            {
+                WinApi.ShowWindow(hWnd, show? WinApi.CmdShow.SW_SHOW:WinApi.CmdShow.SW_HIDE);
+            }
+        }
+
+        public static void DisplayConsoleByTitle(bool show)
+        {
+            var hWnd = WinApi.FindWindow(null, Console.Title);            
+            //var hWnd = WinApi.GetConsoleWindow();
+            if (hWnd != IntPtr.Zero)
+            {
+                WinApi.ShowWindow(hWnd, show ? WinApi.CmdShow.SW_SHOW : WinApi.CmdShow.SW_HIDE);
+            }
+        }
+
         /// <summary>
         /// 房间缓存管理器
         /// </summary>
@@ -95,7 +119,8 @@ namespace BarrageGrab
             /// <returns></returns>
             public long GetCachedWebRoomid(string roomid)
             {
-                if (RoomInfoCache.TryGetValue(roomid, out var value)) return long.Parse(value.WebRoomId??"-1");
+                RoomInfo value;
+                if (RoomInfoCache.TryGetValue(roomid,out value)) return long.Parse(value.WebRoomId??"-1");
                 return -1;
             }
 
@@ -106,7 +131,8 @@ namespace BarrageGrab
             /// <returns></returns>
             public RoomInfo GetCachedWebRoomInfo(string roomid)
             {
-                if (RoomInfoCache.TryGetValue(roomid, out var value)) return value;
+                RoomInfo value;
+                if (RoomInfoCache.TryGetValue(roomid, out value)) return value;
                 return null;
             }
         }
diff --git a/BarrageGrab/Appsetting.cs b/BarrageGrab/Appsetting.cs
index f414c69..9aaed9b 100644
--- a/BarrageGrab/Appsetting.cs
+++ b/BarrageGrab/Appsetting.cs
@@ -12,7 +12,7 @@ namespace BarrageGrab
     {
         private static readonly Appsetting ins = new Appsetting();
 
-        public static Appsetting Current { get => ins; }
+        public static Appsetting Current { get { return ins; } }
 
         public Appsetting()
         {
diff --git a/BarrageGrab/Modles/RoomInfo.cs b/BarrageGrab/Modles/RoomInfo.cs
index b4301db..26a1006 100644
--- a/BarrageGrab/Modles/RoomInfo.cs
+++ b/BarrageGrab/Modles/RoomInfo.cs
@@ -510,12 +510,12 @@ namespace BarrageGrab.Modles
         /// <param name="html"></param>
         /// <param name="result"></param>
         /// <returns></returns>
-        public static (int, string) TryParseRoomPageHtml(string html, out RoomInfo result)
+        public static Tuple<int,string> TryParseRoomPageHtml(string html, out RoomInfo result)
         {
             result = null;
             if (html.IsNullOrWhiteSpace())
             {
-                return (-1, "无效的页面数据");
+                return Tuple.Create(-1, "无效的页面数据");
             }
             //var roomDataReg = new Regex(@"(?<=self\.__pace_f\.push\(\[1,""a:)\[.+?\](?=\\n?""\]\)[\s\n\r]*?<\/script>)");
             //var roomDataReg = new Regex(@"(?<=self\.__pace_f\.push\(\[1,\s*""0:)\[.+?\](?=\\n""?\]\)[\s\n\r]*?<\/script>)");
@@ -526,7 +526,7 @@ namespace BarrageGrab.Modles
             if (!match.Success)
             {
                 //Logger.LogError("在通过正则匹配直播页房间信息时失败，可能是官方做了升级");
-                return (1, "未能匹配到房间信息");
+                return Tuple.Create(1, "未能匹配到房间信息");
             }
             var matchData = Regex.Unescape(match.Value);
 
@@ -537,7 +537,7 @@ namespace BarrageGrab.Modles
             }
             catch (Exception ex)
             {
-                return (2, "匹配到的房间数据格式有错误");
+                return Tuple.Create(2, "匹配到的房间数据格式有错误");
             }
             //var root = jsonObject["children"][3];
             //var roomInfo = root["initialState"]["roomStore"]["roomInfo"];
@@ -552,7 +552,7 @@ namespace BarrageGrab.Modles
 
             if (room == null)
             {
-                return (3, "房间信息为空，获取失败");
+                return Tuple.Create(3, "房间信息为空，获取失败");
             }
 
             result = new RoomInfo();
@@ -579,7 +579,7 @@ namespace BarrageGrab.Modles
                     FollowStatus = roomOwner["follow_info"]["follow_status"].Value<int>()
                 };
             }            
-            return (0, "succ");
+            return Tuple.Create(0, "succ");
         }
     }
 }
diff --git a/BarrageGrab/ObjectExtension.cs b/BarrageGrab/ObjectExtension.cs
index afcc6f3..f560390 100644
--- a/BarrageGrab/ObjectExtension.cs
+++ b/BarrageGrab/ObjectExtension.cs
@@ -59,7 +59,7 @@ namespace BarrageGrab
             {
                 return dic[key];
             }
-            return default;
+            return default(TValue);
         }
 
         /// <summary>
diff --git a/BarrageGrab/Program.cs b/BarrageGrab/Program.cs
index 8f77090..10c0a2b 100644
--- a/BarrageGrab/Program.cs
+++ b/BarrageGrab/Program.cs
@@ -23,18 +23,17 @@ namespace BarrageGrab
             WinApi.SetConsoleCtrlHandler(cancelHandler, true);//捕获控制台关闭
             WinApi.DisableQuickEditMode();//禁用控制台快速编辑模式            
             Console.Title = "抖音弹幕监听推送";
+            AppRuntime.DisplayConsole(!Appsetting.Current.HideConsole);
 
-            if(Appsetting.Current.HideConsole)
-            {
-                var hWnd = WinApi.FindWindow(null, Console.Title);
-                if (hWnd != IntPtr.Zero)
-                {
-                    WinApi.ShowWindow(hWnd,WinApi.CmdShow.SW_HIDE);
-                }                
-            }
- 
             bool exited = false;
             AppRuntime.WssService.StartListen();
+
+            Console.ForegroundColor = ConsoleColor.Green;
+            Console.WriteLine($"{AppRuntime.WssService.ServerLocation} 弹幕服务已启动...");
+            Console.ForegroundColor = ConsoleColor.Gray;
+            Console.Title = $"抖音弹幕监听推送 [{AppRuntime.WssService.ServerLocation}]";
+            
+
             AppRuntime.WssService.OnClose += (s, e) =>
             {
                 //退出程序
@@ -71,9 +70,10 @@ namespace BarrageGrab
         //检测程序是否多开
         private static bool CheckAlreadyRunning()
         {
-            const string mutexName = "DyBarrageGrab";           
+            const string mutexName = "DyBarrageGrab";
             // Try to create a new named mutex.
-            using (Mutex mutex = new Mutex(true, mutexName, out bool createdNew))
+            bool createdNew;
+            using (Mutex mutex = new Mutex(true, mutexName, out createdNew))
             {
                 return !createdNew;
             }
diff --git a/BarrageGrab/Proxy/SystemProxy.cs b/BarrageGrab/Proxy/SystemProxy.cs
index 394bd7c..c75eddc 100644
--- a/BarrageGrab/Proxy/SystemProxy.cs
+++ b/BarrageGrab/Proxy/SystemProxy.cs
@@ -27,7 +27,7 @@ namespace BarrageGrab.Proxy
         /// <summary>
         /// 代理端口
         /// </summary>
-        public int ProxyPort { get => Appsetting.Current.ProxyPort; }        
+        public int ProxyPort { get { return Appsetting.Current.ProxyPort; } }        
 
         public abstract void Dispose();
 
diff --git a/BarrageGrab/Proxy/TitaniumProxy.cs b/BarrageGrab/Proxy/TitaniumProxy.cs
index d56234c..9a7a791 100644
--- a/BarrageGrab/Proxy/TitaniumProxy.cs
+++ b/BarrageGrab/Proxy/TitaniumProxy.cs
@@ -173,8 +173,10 @@ namespace BarrageGrab.Proxy
                     {
                         //利用 HtmlAgilityPack 在尾部注入script 标签
                         var html = await e.GetResponseBodyAsString();
-
-                        (int code, string msg) = RoomInfo.TryParseRoomPageHtml(html, out var roominfo);
+                        RoomInfo roominfo;
+                        var tup = RoomInfo.TryParseRoomPageHtml(html, out roominfo);
+                        int code = tup.Item1;
+                        string msg = tup.Item2;
 
                         if (code == 0)
                         {
diff --git a/BarrageGrab/WinApi.cs b/BarrageGrab/WinApi.cs
index 9b48913..927dad2 100644
--- a/BarrageGrab/WinApi.cs
+++ b/BarrageGrab/WinApi.cs
@@ -37,6 +37,9 @@ namespace BarrageGrab
         [DllImport("User32.dll", EntryPoint = "ShowWindow")]
         public static extern bool ShowWindow(IntPtr hWnd, CmdShow nCmdShow);
 
+        [DllImport("kernel32.dll")]
+        public static extern IntPtr GetConsoleWindow();
+
 
 
         /// <summary>
diff --git a/BarrageGrab/WsBarrageService.cs b/BarrageGrab/WsBarrageService.cs
index c86b8fe..aad6559 100644
--- a/BarrageGrab/WsBarrageService.cs
+++ b/BarrageGrab/WsBarrageService.cs
@@ -40,6 +40,11 @@ namespace BarrageGrab
         /// </summary>
         public event EventHandler OnClose;
 
+        /// <summary>
+        /// WS服务器启动地址
+        /// </summary>
+        public string ServerLocation { get { return socketServer.Location; } }
+
         public WsBarrageService()
         {
 #if DEBUG
@@ -495,11 +500,7 @@ namespace BarrageGrab
                         case CommandCode.DisplayConsole:
                             {
                                 var display = (bool)cmdPack.Data;
-                                var hand = WinApi.FindWindow(null, Console.Title);
-                                if (hand != IntPtr.Zero)
-                                {
-                                    WinApi.ShowWindow(hand, display ? WinApi.CmdShow.SW_SHOW : WinApi.CmdShow.SW_HIDE);
-                                }
+                                AppRuntime.DisplayConsole(display);                                
                                 break;
                             }
                     }
@@ -550,9 +551,7 @@ namespace BarrageGrab
         public void StartListen()
         {
             this.grab.Start(); //启动代理
-            this.socketServer.Start(Listen);//启动监听
-            console.WriteLine($"{this.socketServer.Location} 弹幕服务已启动...", ConsoleColor.Green);
-            Console.Title = $"抖音弹幕监听推送 [{this.socketServer.Location}]";
+            this.socketServer.Start(Listen);//启动监听           
         }
 
         /// <summary>
diff --git a/BarrageGrab/WssBarrageGrab.cs b/BarrageGrab/WssBarrageGrab.cs
index 7cdd773..f8d21ae 100644
--- a/BarrageGrab/WssBarrageGrab.cs
+++ b/BarrageGrab/WssBarrageGrab.cs
@@ -68,7 +68,7 @@ namespace BarrageGrab
         /// <summary>
         /// 代理
         /// </summary>
-        public ISystemProxy Proxy { get => proxy; }
+        public ISystemProxy Proxy { get { return proxy; } }
 
         public WssBarrageGrab()
         {
diff --git a/BarrageGrab/WssBarrageService.csproj b/BarrageGrab/WssBarrageService.csproj
index 86299ed..48e575a 100644
--- a/BarrageGrab/WssBarrageService.csproj
+++ b/BarrageGrab/WssBarrageService.csproj
@@ -10,7 +10,7 @@
     <AppDesignerFolder>Properties</AppDesignerFolder>
     <RootNamespace>BarrageGrab</RootNamespace>
     <AssemblyName>WssBarrageService</AssemblyName>
-    <TargetFrameworkVersion>v4.8</TargetFrameworkVersion>
+    <TargetFrameworkVersion>v4.6.2</TargetFrameworkVersion>
     <FileAlignment>512</FileAlignment>
     <Deterministic>true</Deterministic>
     <PublishUrl>publish\</PublishUrl>
@@ -28,6 +28,7 @@
     <IsWebBootstrapper>false</IsWebBootstrapper>
     <UseApplicationTrust>false</UseApplicationTrust>
     <BootstrapperEnabled>true</BootstrapperEnabled>
+    <TargetFrameworkProfile />
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
     <DebugSymbols>true</DebugSymbols>