fix webrtc player assert failed because media empty

Kairlec

2024-03-21 afed8161b1647710de281fa625e796b151cc55cd

 src/main/java/com/genersoft/iot/vmp/common/VersionPo.java

@@ -1,6 +1,6 @@
package com.genersoft.iot.vmp.common;

import com.alibaba.fastjson.annotation.JSONField;
import com.alibaba.fastjson2.annotation.JSONField;

public class VersionPo {
    /**