docs: 修正日志管理控制器mapping的错误描述

tnt group

2023-08-01 735df5a935f4e34e278ab06fcea4197d6466d960

 src/main/java/com/genersoft/iot/vmp/gb28181/transmit/event/request/impl/message/notify/cmd/KeepaliveNotifyMessageHandler.java

@@ -59,6 +59,7 @@
            // 未注册的设备不做处理
            return;
        }
        logger.info("[收到心跳]， device: {}", device.getDeviceId());
        SIPRequest request = (SIPRequest) evt.getRequest();
        // 回复200 OK
        try {