（7）解除预制体关系Break Prefab Instance（Unpack Prefab）

如果在Unity使用过程中出现了Childrenof a Prefab instance cannot be deleted or moved,and components cannot be reordered.You can unpack the Prefab instance to remove its Prefab connection.现象

可以在Hierarchy面板中选中物体进行如下操作即可