修改细节

Assets/Scripts/UI/Prefab/Race/RaceItemScript.cs

@@ -46,7 +46,10 @@ public class RaceItemScript : MonoBehaviour, IPointerExitHandler, IPointerEnterH
         transform.Find("CountContainer/Text").GetComponent<Text>().text = mapCompetition.ApplyCount.ToString();
         SetStatus(mapCompetition);
         SetButtonGroup(mapCompetition);
-        this.parent = parent;
+        if (parent != null) 
+        {
+            this.parent = parent;
+        }
         this.mapCompetition = mapCompetition;
     }