优化国标级联的目录创建以及推送规则，优化接收目录规则，更加规范

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2023-06-19 8942ab01127af3a6f99d8cbfb82869749f502d2e

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package com.genersoft.iot.vmp.service.bean;
 
public interface PlayBackCallback<T> {
 
    void call(PlayBackResult<T> msg);
 
}