Merge branch 'WJC' into wxr4

wxr

2021-04-28 cc48110a814477bc0d01615f9844aea6ff2b609f

 HDL_ON/UI/MainPage.cs

@@ -20,7 +20,7 @@
        /// <summary>
        /// 版本号
        /// </summary>
        public static string VersionString = "1.2.0422";
        public static string VersionString = "1.2.0428";
        ///// <summary>
        ///// 客户端类型
        ///// </summary>