1127最新合并代码，合并嘉乐更新

wei

2020-11-27 e53a1951d6aa07ad22aad9816da4703496fcbccd

 HDL_ON/UI/MainPage.cs

@@ -1,4 +1,4 @@
using System;
using System;
using System.Collections.Generic;
using HDL_ON.DAL;
using HDL_ON.UI;
@@ -94,7 +94,6 @@
                }
                else
                {

                    new System.Threading.Thread(() =>
                    {
                        var pm = new DAL.Server.HttpServerRequest();