Merge pull request #736 from kunlong-luo/fix-null-point-and-cast-exception

648540858

2023-02-02 6246ce6ba84fd2b4e7ce7768bfa1fb56c159cad3

 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 {
    /**