Update play_error.md

TouXin

2022-11-03 6e5f04b36859a34900f40b0cbec7e9aa0ff250ea

 src/main/java/com/genersoft/iot/vmp/gb28181/task/ISubscribeTask.java

@@ -1,5 +1,10 @@
package com.genersoft.iot.vmp.gb28181.task;

import javax.sip.DialogState;

/**
 * @author lin
 */
public interface ISubscribeTask extends Runnable{
    void stop();
}