添加截图（快照）功能

panlinlin

2021-05-08 e48fa711a3664bece9b3e58840a75fe7c05bc47c

 src/main/java/com/genersoft/iot/vmp/media/zlm/ZLMHttpHookSubscribe.java

@@ -3,10 +3,7 @@
import com.alibaba.fastjson.JSONObject;
import org.springframework.stereotype.Component;

import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.*;
import java.util.concurrent.ConcurrentHashMap;

/**