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/gb28181/task/ISubscribeTask.java

old mode 100644
new mode 100755
@@ -2,8 +2,9 @@

import javax.sip.DialogState;

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

    DialogState getDialogState();
}