添加心跳到期时验证zlm是否真的离线。

648540858

2021-12-20 22efd0f56c20e1aedb18fa7b9bcdc48007fcc954

 src/main/java/com/genersoft/iot/vmp/gb28181/event/platformKeepaliveExpire/PlatformKeepaliveExpireEvent.java

@@ -7,6 +7,11 @@
 */
public class PlatformKeepaliveExpireEvent extends ApplicationEvent {

    /**
     * Add default serial version ID
     */
    private static final long serialVersionUID = 1L;
    
    private String platformGbID;

    public PlatformKeepaliveExpireEvent(Object source) {