diff --git a/Assets/Scripts/Controller/OperationController.cs b/Assets/Scripts/Controller/OperationController.cs
index 156f24ad..a9dfa608 100644
--- a/Assets/Scripts/Controller/OperationController.cs
+++ b/Assets/Scripts/Controller/OperationController.cs
@@ -155,6 +155,7 @@ public class OperationController : MonoSingleton<OperationController>
                         }
                     }
                 }
+                TypeEventSystem.Global.Send<OnLoadingShow>();
                 seq.Start(this, () =>
                 {
                     curAction = ActionHelper.GetActionAndSub(steps[targetIndex].Start);
@@ -174,6 +175,7 @@ public class OperationController : MonoSingleton<OperationController>
                     }
                     TypeEventSystem.Global.Send(new StepStatusOnChange() { curIndex = i, status = StepStatus.NoStart });
                 }
+                TypeEventSystem.Global.Send<OnLoadingShow>();
                 seq.Start(this, () =>
                 {
                     curAction = ActionHelper.GetActionAndSub(steps[targetIndex].Start);
@@ -196,10 +198,12 @@ public class OperationController : MonoSingleton<OperationController>
             this.index = targetIndex;
             isStepRun = true;
             TypeEventSystem.Global.Send(new StepStatusOnChange() { curIndex = targetIndex, status = StepStatus.Start });
+            TypeEventSystem.Global.Send<OnLoadingHide>();
             curAction.Start(this, () =>
             {
                 isStepRun = false;
                 TypeEventSystem.Global.Send(new StepStatusOnChange() { curIndex = targetIndex, status = StepStatus.Finished });
+
             });
         }
         else
diff --git a/Assets/Scripts/UI/UILoading.cs b/Assets/Scripts/UI/UILoading.cs
index 6d7ed682..98f63e4f 100644
--- a/Assets/Scripts/UI/UILoading.cs
+++ b/Assets/Scripts/UI/UILoading.cs
@@ -15,7 +15,13 @@ namespace QFramework.Example
         {
             mData = uiData as UILoadingData ?? new UILoadingData();
             TypeEventSystem.Global.Register<OnModuleQuit>((arg) => Hide()).UnRegisterWhenGameObjectDestroyed(gameObject);
-            TypeEventSystem.Global.Register<OnLoadingShow>(arg => Show()).UnRegisterWhenGameObjectDestroyed(gameObject);
+            TypeEventSystem.Global.Register<OnLoadingShow>(arg =>
+            {
+                if (gameObject.activeSelf == false)
+                {
+                    Show();
+                }
+            }).UnRegisterWhenGameObjectDestroyed(gameObject);
             TypeEventSystem.Global.Register<OnLoadingHide>((arg) => Hide()).UnRegisterWhenGameObjectDestroyed(gameObject);
         }