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diff --git a/Assets/_Scripts/Application/SceneCtrls/NiuSceneMng.cs b/Assets/_Scripts/Application/SceneCtrls/NiuSceneMng.cs
index 917ca30..af83f59 100644
--- a/Assets/_Scripts/Application/SceneCtrls/NiuSceneMng.cs
+++ b/Assets/_Scripts/Application/SceneCtrls/NiuSceneMng.cs
@@ -89,6 +89,7 @@ namespace ZXK.LouDiXvMuNiu
         }
         private void Start()
         {
+            GameManager.Instance._DataNiuHandler.CurNiuHandler.Value = new NiuData();
             GetCurModuleTools();
             InitFirstState();
             StartCoroutine("InitScene");
@@ -112,7 +113,7 @@ namespace ZXK.LouDiXvMuNiu
             {
                 _CurSceneStep = tempData[0];
             }
-            
+
             GameManager.Instance._DataNiuHandler.CurNiuHandler.Value = _CurSceneStep;
 
             if (GameManager.Instance._loopPopExplain)
diff --git a/Assets/_Scripts/Application/UI/OperationStepPanel.cs b/Assets/_Scripts/Application/UI/OperationStepPanel.cs
index d073684..b004532 100644
--- a/Assets/_Scripts/Application/UI/OperationStepPanel.cs
+++ b/Assets/_Scripts/Application/UI/OperationStepPanel.cs
@@ -231,6 +231,7 @@ namespace ZXK.LouDiXvMuNiu
 
         private void OnValueChanged(NiuData obj)
         {
+            if (obj == null) return;
             if (obj.ThreeTaskName != GameManager.Instance._DataNiuHandler.CurNiuHandler.PreviousValue.ThreeTaskName)
             {//Ç°ºóÈý¼¶ÈËÎïÃû×Ö²»Í¬