diff --git a/UserClass/AsyncTcpServer.cs b/UserClass/AsyncTcpServer.cs
index 9d5e12f..ceb076e 100644
--- a/UserClass/AsyncTcpServer.cs
+++ b/UserClass/AsyncTcpServer.cs
@@ -240,7 +240,7 @@ namespace DyeingComputer.UserClass
                 {
                     if (SYSKEY == MainWindowViewModel.SYSKEY)
                     {
-                        client.SendAsync("SC851" + "[" + MainWindowViewModel.S01 + "]" + MainWindowViewModel.dt_d.ToJsonString());//数字开关信息
+                        client.SendAsync("SC851" + "[" + MainWindowViewModel.S01 + "]" + JsonConvert.SerializeObject(MainWindowViewModel.dt_d));//数字开关信息
                     }
                     else { client.SendAsync("SC999"); }
                 }//数字开关表
@@ -265,6 +265,8 @@ namespace DyeingComputer.UserClass
             };
 
             await service.SetupAsync(new TouchSocketConfig()//载入配置
+                .SetMaxBufferSize(1024 * 1024)
+                .SetMinBufferSize(1024 * 64)
                 .SetListenIPHosts(new IPHost[] { new IPHost("tcp://127.0.0.1:7789"), new IPHost(7790) })//同时监听两个地址
                 .ConfigureContainer(a =>//容器的配置顺序应该在最前面
                 {
diff --git a/ViewModel/MainWindowViewModel.cs b/ViewModel/MainWindowViewModel.cs
index 085c382..399a79e 100644
--- a/ViewModel/MainWindowViewModel.cs
+++ b/ViewModel/MainWindowViewModel.cs
@@ -1569,6 +1569,15 @@ namespace DyeingComputer.ViewModel
             dt_a = SQLiteHelpers.ExecuteDataSet("select * from IOName where type='AI' OR type='AO' order by ID", null).Tables[0];
             dt_m = SQLiteHelpers.ExecuteDataSet("select * from IOName where type='M' order by ID", null).Tables[0];
             SQLiteHelpers.Close();
+            dt_d.Columns.Remove("AIO");
+            dt_d.Columns.Remove("Value");
+          //  dt_d.Columns.Remove("type");
+            dt_a.Columns.Remove("DIO");
+            dt_a.Columns.Remove("Value");
+         //   dt_a.Columns.Remove("type");
+            dt_m.Columns.Remove("AIO");
+            dt_m.Columns.Remove("DIO");
+        //    dt_m.Columns.Remove("type");
             //创建dt_d主建
             DataColumn[] dt_dcols =new DataColumn[] { dt_d.Columns["ID"] };
             dt_d.PrimaryKey = dt_dcols;