修复 当没有布局文件时，manager.layout.GageTabItems=null 出错

Project.FLY.Thick.Base/FLY.Thick.Base.UI/OnInit/OnInitControllerState.cs

@@ -82,7 +82,7 @@ namespace FLY.Thick.Base.UI.OnInit
                     DynArea dynarea = s as DynArea;
                     var t = tags.Find(_t => _t.dynArea == dynarea);
 
-                    if (e.PropertyName == "ControllerState")
+                    if (e.PropertyName == nameof(DynArea.ControllerState))
                     {
                         UpdateControllerState(t);
                     }
@@ -104,6 +104,8 @@ namespace FLY.Thick.Base.UI.OnInit
                 return;
 
             //找出设备页面
+            if (manager.layout.GageTabItems == null)
+                return;
             var gageTabItems = from _gageTabItem in manager.layout.GageTabItems where _gageTabItem.ServiceContainerName == rontainerName select _gageTabItem;
             if (gageTabItems.Count() == 0)
                 return;