音效&骑行loading优化

Assets/Scripts/UI/Prefab/MapList/MapItem.cs

@@ -230,7 +230,10 @@ public class MapItem : MonoBehaviour, IPointerExitHandler, IPointerEnterHandler,
             map.IsFavorite = !map.IsFavorite;
             transform.Find("CollectImg").Find("Image").GetComponent<Image>().sprite =
             UIManager.Instance.collectDict[map.IsFavorite];
-            this.model.IsFavorite = map.IsFavorite;
+            if (this.model != null)
+            {
+                this.model.IsFavorite = map.IsFavorite;
+            }
             //SetColor(map.IsFavorite);
         }
         else