bugfix：目录订阅收到更新事件时，sql字段update_time为空导致的报错

lishuyuan

2023-11-02 8bd2f47c9a92ffcf5ae43fae965eaefd4748e263

 src/main/java/com/genersoft/iot/vmp/service/impl/StreamPushServiceImpl.java

@@ -506,6 +506,9 @@
        stream.setUpdateTime(DateUtil.getNow());
        stream.setCreateTime(DateUtil.getNow());
        stream.setServerId(userSetting.getServerId());
        stream.setMediaServerId(mediaConfig.getId());
        stream.setSelf(true);
        stream.setPushIng(true);

        // 放在事务内执行
        boolean result = false;