When your action is called in the execute method, you must call a couple helper functions to update the specific view instance (if that is what your action is intended to do).
在execute方法中调用操作时，必须调用一对helper函数来更新特定的视图实例(如果这是操作的目的)。
There are evil things and evil people that make us afraid, but when you are afraid, let it remind you to send a quick and urgent prayer to God in Heaven to be your Helper!
当有一些坏的事情或坏人使我们害怕的时候， 要记得立刻向神祷告， 让天上的神成为你的帮助！
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