设备编辑管理界面

MainModule/ViewModels/AutomatedTestingViewModel.cs

@@ -18,6 +18,7 @@ namespace MainModule.ViewModels
         #region 私有字段
         private string _testStatus;
         private readonly IScopedProvider _scope;
+        private bool IsInitialized =false;
         #endregion
 
         #region 属性
@@ -119,7 +120,11 @@ namespace MainModule.ViewModels
         #region 命令处理与事件
         private async Task OnLoad()
         {
-            await _deviceManager.ConnectAllDevices();
+            if (!IsInitialized)
+            {
+                await _deviceManager.ConnectAllDevices();
+                IsInitialized = true;
+            }
         }
 
         private void OnRefresh()