增加3秒云服务器连接检测，连不上服务器的时候不刷新数据

wxr

2024-04-12 a155c6ce1911e995d136f08b409dd0861706a3f8

 HDL_ON/UI/UI2/FuntionControlView/OrderFunctionPage.cs

@@ -113,7 +113,7 @@
        /// <summary>
        /// 显示的设备的总数
        /// </summary>
        int showCount = 0;
        int showCount = -1;

        /// <summary>
        /// 加载功能row
@@ -133,7 +133,7 @@
                    {
                        if (!isAppend)
                        {
                            showCount = 0;
                            showCount = -1;
                            functionListView.RemoveAll();
                        }