diff --git a/src/main/java/com/genersoft/iot/vmp/gb28181/event/subscribe/catalog/CatalogEventLister.java b/src/main/java/com/genersoft/iot/vmp/gb28181/event/subscribe/catalog/CatalogEventLister.java
index 0448cd20..557563ee 100755
--- a/src/main/java/com/genersoft/iot/vmp/gb28181/event/subscribe/catalog/CatalogEventLister.java
+++ b/src/main/java/com/genersoft/iot/vmp/gb28181/event/subscribe/catalog/CatalogEventLister.java
@@ -148,13 +148,13 @@ public class CatalogEventLister implements ApplicationListener<CatalogEvent> {
                      if (event.getDeviceChannels() != null) {
                          deviceChannelList.addAll(event.getDeviceChannels());
                      }
-                    if (event.getGbStreams() != null && event.getGbStreams().size() > 0){
+                    if (event.getGbStreams() != null && !event.getGbStreams().isEmpty()){
                         for (GbStream gbStream : event.getGbStreams()) {
                             deviceChannelList.add(
                                     gbStreamService.getDeviceChannelListByStreamWithStatus(gbStream, gbStream.getCatalogId(), parentPlatform));
                         }
                     }
-                    if (deviceChannelList.size() > 0) {
+                    if (!deviceChannelList.isEmpty()) {
                         logger.info("[Catalog事件: {}]平台：{}，影响通道{}个", event.getType(), event.getPlatformId(), deviceChannelList.size());
                         try {
                             sipCommanderFroPlatform.sendNotifyForCatalogAddOrUpdate(event.getType(), parentPlatform, deviceChannelList, subscribe, null);
@@ -163,10 +163,10 @@ public class CatalogEventLister implements ApplicationListener<CatalogEvent> {
                             logger.error("[命令发送失败] 国标级联 Catalog通知: {}", e.getMessage());
                         }
                     }
-                }else if (parentPlatformMap.keySet().size() > 0) {
+                }else if (!parentPlatformMap.keySet().isEmpty()) {
                     for (String gbId : parentPlatformMap.keySet()) {
                         List<ParentPlatform> parentPlatforms = parentPlatformMap.get(gbId);
-                        if (parentPlatforms != null && parentPlatforms.size() > 0) {
+                        if (parentPlatforms != null && !parentPlatforms.isEmpty()) {
                             for (ParentPlatform platform : parentPlatforms) {
                                 SubscribeInfo subscribeInfo = subscribeHolder.getCatalogSubscribe(platform.getServerGBId());
                                 if (subscribeInfo == null) {
diff --git a/src/main/java/com/genersoft/iot/vmp/gb28181/transmit/cmd/impl/SIPCommanderFroPlatform.java b/src/main/java/com/genersoft/iot/vmp/gb28181/transmit/cmd/impl/SIPCommanderFroPlatform.java
index ecbdccab..07fb78ca 100755
--- a/src/main/java/com/genersoft/iot/vmp/gb28181/transmit/cmd/impl/SIPCommanderFroPlatform.java
+++ b/src/main/java/com/genersoft/iot/vmp/gb28181/transmit/cmd/impl/SIPCommanderFroPlatform.java
@@ -557,7 +557,7 @@ public class SIPCommanderFroPlatform implements ISIPCommanderForPlatform {
 
     @Override
     public void sendNotifyForCatalogAddOrUpdate(String type, ParentPlatform parentPlatform, List<DeviceChannel> deviceChannels, SubscribeInfo subscribeInfo, Integer index) throws InvalidArgumentException, ParseException, NoSuchFieldException, SipException, IllegalAccessException {
-        if (parentPlatform == null || deviceChannels == null || deviceChannels.size() == 0 || subscribeInfo == null) {
+        if (parentPlatform == null || deviceChannels == null || deviceChannels.isEmpty() || subscribeInfo == null) {
             return;
         }
         if (index == null) {
@@ -575,6 +575,7 @@ public class SIPCommanderFroPlatform implements ISIPCommanderForPlatform {
         Integer finalIndex = index;
         String catalogXmlContent = getCatalogXmlContentForCatalogAddOrUpdate(parentPlatform, channels,
                 deviceChannels.size(), type, subscribeInfo);
+        logger.info("[发送NOTIFY通知]类型： {}，发送数量： {}", type, channels.size());
         sendNotify(parentPlatform, catalogXmlContent, subscribeInfo, eventResult -> {
             logger.error("发送NOTIFY通知消息失败。错误：{} {}", eventResult.statusCode, eventResult.msg);
         }, (eventResult -> {
@@ -610,9 +611,9 @@ public class SIPCommanderFroPlatform implements ISIPCommanderForPlatform {
                 .append("<CmdType>Catalog</CmdType>\r\n")
                 .append("<SN>" + (int) ((Math.random() * 9 + 1) * 100000) + "</SN>\r\n")
                 .append("<DeviceID>" + parentPlatform.getDeviceGBId() + "</DeviceID>\r\n")
-                .append("<SumNum>"+ channels.size() +"</SumNum>\r\n")
+                .append("<SumNum>"+ sumNum +"</SumNum>\r\n")
                 .append("<DeviceList Num=\"" + channels.size() + "\">\r\n");
-        if (channels.size() > 0) {
+        if (!channels.isEmpty()) {
             for (DeviceChannel channel : channels) {
                 if (parentPlatform.getServerGBId().equals(channel.getParentId())) {
                     channel.setParentId(parentPlatform.getDeviceGBId());
diff --git a/src/main/java/com/genersoft/iot/vmp/service/impl/PlatformServiceImpl.java b/src/main/java/com/genersoft/iot/vmp/service/impl/PlatformServiceImpl.java
index ce044867..22b11abe 100755
--- a/src/main/java/com/genersoft/iot/vmp/service/impl/PlatformServiceImpl.java
+++ b/src/main/java/com/genersoft/iot/vmp/service/impl/PlatformServiceImpl.java
@@ -266,6 +266,7 @@ public class PlatformServiceImpl implements IPlatformService {
         }
         if (parentPlatform.isAutoPushChannel()) {
             if (subscribeHolder.getCatalogSubscribe(parentPlatform.getServerGBId()) == null) {
+                logger.info("[国标级联]：{}, 添加自动通道推送模拟订阅信息", parentPlatform.getServerGBId());
                 addSimulatedSubscribeInfo(parentPlatform);
             }
         }else {
@@ -343,9 +344,16 @@ public class PlatformServiceImpl implements IPlatformService {
             // 清除心跳任务
             dynamicTask.stop(keepaliveTaskKey);
         }
-        // 停止目录订阅回复
-        logger.info("[平台离线] {}, 停止订阅回复", parentPlatform.getServerGBId());
-        subscribeHolder.removeAllSubscribe(parentPlatform.getServerGBId());
+        // 停止订阅回复
+        SubscribeInfo catalogSubscribe = subscribeHolder.getCatalogSubscribe(parentPlatform.getServerGBId());
+        if (catalogSubscribe != null) {
+            if (catalogSubscribe.getExpires() > 0) {
+                logger.info("[平台离线] {}, 停止目录订阅回复", parentPlatform.getServerGBId());
+                subscribeHolder.removeCatalogSubscribe(parentPlatform.getServerGBId());
+            }
+        }
+        logger.info("[平台离线] {}, 停止移动位置订阅回复", parentPlatform.getServerGBId());
+        subscribeHolder.removeMobilePositionSubscribe(parentPlatform.getServerGBId());
         // 发起定时自动重新注册
         if (!stopRegister) {
             // 设置为60秒自动尝试重新注册