【Fix】修复事件重复注册的问题；

UpmGitTool/Assets/Scritps/UI/Controller/UICtrl_DepencyItem.cs

@@ -50,9 +50,24 @@ namespace UpmGitTool.UI
             gameObject.SetActive(active);
 
             if (active)
-                GYEventsCenter.RegisterEventMsg(Lib.ON_PACKAGE_DATA_REFRESH, OnPackageDataRefresh);
+                AddEvents();
             else
-                GYEventsCenter.RemoveEventMsg(Lib.ON_PACKAGE_DATA_REFRESH, OnPackageDataRefresh);
+                RemoveEvents();
+        }
+
+        private bool IsAddedEvents;
+        private void AddEvents()
+        {
+            if (IsAddedEvents) return;
+            IsAddedEvents = true;
+            GYEventsCenter.RegisterEventMsg(Lib.ON_PACKAGE_DATA_REFRESH, OnPackageDataRefresh);
+        }
+
+        private void RemoveEvents()
+        {
+            if (!IsAddedEvents) return;
+            IsAddedEvents = false;
+            GYEventsCenter.RemoveEventMsg(Lib.ON_PACKAGE_DATA_REFRESH, OnPackageDataRefresh);
         }
 
         public void SetSelected(bool selected)