diff --git a/OnlineUserPool.csproj b/OnlineUserPool.csproj
index 3084aa6..161f390 100644
--- a/OnlineUserPool.csproj
+++ b/OnlineUserPool.csproj
@@ -2,12 +2,12 @@
 
   <PropertyGroup>
     <OutputType>WinExe</OutputType>
-    <TargetFramework>netcoreapp3.1</TargetFramework>
     <UseWPF>true</UseWPF>
+    <TargetFramework>net6.0-windows</TargetFramework>
   </PropertyGroup>
   <ItemGroup>
     <PackageReference Include="GeoJSON.Net" Version="0.1.51" />
-    <PackageReference Include="NetCoreServer" Version="3.0.22" />
+    <PackageReference Include="NetCoreServer" Version="6.7.0" />
     <PackageReference Include="Newtonsoft.Json" Version="12.0.3" />
     <PackageReference Include="Prism.Unity" Version="7.2.0.1422" />
     <PackageReference Include="Prism.Wpf" Version="7.2.0.1422" />
diff --git a/Services/TcpService.cs b/Services/TcpService.cs
index e01f1bb..09e227a 100644
--- a/Services/TcpService.cs
+++ b/Services/TcpService.cs
@@ -23,9 +23,7 @@ namespace OnlineUserPool.Services
 
         public void RunServer(Action<IPEndPoint, ReceiveModel, IService> action, Action<EndPoint> disconnected = null)
         {
-            _server = new PfTcpServer(IPAddress.Any, ConfigHelp.TcpPort, (ip, model) => { action(ip, model, this); },
-                disconnected);
-
+            _server = new PfTcpServer(IPAddress.Any, ConfigHelp.TcpPort, (ip, model) => { action(ip, model, this); },disconnected);
             _server.Start();
         }
 
@@ -40,6 +38,7 @@ namespace OnlineUserPool.Services
             if (session is { IsConnected: true })
             {
                 session.SendAsync(dgram);
+                dgram = null;
             }
         }
 
@@ -180,6 +179,7 @@ namespace OnlineUserPool.Services
                     Log.Error($"接受到的数据处理时出错：{data}\r\n{ex.Message}\r\n{ex.StackTrace}");
                 }
 
+                buffer = null;
                 data = null;
             }