diff --git a/src/main/java/com/genersoft/iot/vmp/gb28181/event/EventPublisher.java b/src/main/java/com/genersoft/iot/vmp/gb28181/event/EventPublisher.java
index 5574ecbc1..84b3b1fce 100755
--- a/src/main/java/com/genersoft/iot/vmp/gb28181/event/EventPublisher.java
+++ b/src/main/java/com/genersoft/iot/vmp/gb28181/event/EventPublisher.java
@@ -6,6 +6,7 @@ import com.genersoft.iot.vmp.gb28181.bean.DeviceAlarm;
 import com.genersoft.iot.vmp.gb28181.bean.MobilePosition;
 import com.genersoft.iot.vmp.gb28181.bean.Platform;
 import com.genersoft.iot.vmp.gb28181.event.alarm.AlarmEvent;
+import com.genersoft.iot.vmp.gb28181.event.channel.ChannelEvent;
 import com.genersoft.iot.vmp.gb28181.event.subscribe.catalog.CatalogEvent;
 import com.genersoft.iot.vmp.gb28181.event.subscribe.mobilePosition.MobilePositionEvent;
 import com.genersoft.iot.vmp.media.bean.MediaServer;
@@ -17,10 +18,7 @@ import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.context.ApplicationEventPublisher;
 import org.springframework.stereotype.Component;
 
-import java.util.ArrayList;
-import java.util.HashSet;
-import java.util.List;
-import java.util.Set;
+import java.util.*;
 
 /**
  * @description:Event事件通知推送器，支持推送在线事件、离线事件
@@ -62,11 +60,18 @@ public class EventPublisher {
 		applicationEventPublisher.publishEvent(outEvent);
 	}
 
+	public void channelEventPublish(CommonGBChannel deviceChannel, ChannelEvent.ChannelEventMessageType type) {
+		catalogEventPublish(Collections.singletonList(deviceChannel), type);
+	}
+
+	private void catalogEventPublish(List<CommonGBChannel> channelList, ChannelEvent.ChannelEventMessageType type) {
+		ChannelEvent channelEvent = ChannelEvent.getInstance(this, type, channelList);
+		applicationEventPublisher.publishEvent(channelEvent);
+	}
+
 
 	public void catalogEventPublish(Platform platform, CommonGBChannel deviceChannel, String type) {
-		List<CommonGBChannel> deviceChannelList = new ArrayList<>();
-		deviceChannelList.add(deviceChannel);
-		catalogEventPublish(platform, deviceChannelList, type);
+		catalogEventPublish(platform, Collections.singletonList(deviceChannel), type);
 	}
 	public void catalogEventPublish(Platform platform, List<CommonGBChannel> deviceChannels, String type) {
 		if (platform != null && !userSetting.getServerId().equals(platform.getServerId())) {
diff --git a/src/main/java/com/genersoft/iot/vmp/gb28181/event/channel/ChannelEvent.java b/src/main/java/com/genersoft/iot/vmp/gb28181/event/channel/ChannelEvent.java
index 9bcdd6139..275ef39e9 100755
--- a/src/main/java/com/genersoft/iot/vmp/gb28181/event/channel/ChannelEvent.java
+++ b/src/main/java/com/genersoft/iot/vmp/gb28181/event/channel/ChannelEvent.java
@@ -30,69 +30,14 @@ public class ChannelEvent extends ApplicationEvent {
 
 
 
-    enum ChannelEventMessageType {
-        ADD, UPDATE, DELETE, ONLINE, OFFLINE, OFFLINE_LIST
+    public enum ChannelEventMessageType {
+        ADD, UPDATE, DELETE, ONLINE, OFFLINE, VLOST, DEFECT
     }
 
-    public static ChannelEvent getInstanceForAdd(Object source, CommonGBChannel channel) {
-        return getInstance(source, ChannelEventMessageType.ADD, channel);
-    }
-
-    public static ChannelEvent getInstanceForAddList(Object source, List<CommonGBChannel> channels) {
-        ChannelEvent channelEvent = new ChannelEvent(source);
-        channelEvent.setMessageType(ChannelEventMessageType.ADD);
-        channelEvent.setChannels(channels);
-        return channelEvent;
-    }
-
-    public static ChannelEvent getInstanceForUpdate(Object source, CommonGBChannel channel) {
-        return getInstance(source, ChannelEventMessageType.UPDATE, channel);
-    }
-
-    public static ChannelEvent getInstanceForUpdateList(Object source, List<CommonGBChannel> channels) {
-        ChannelEvent channelEvent = new ChannelEvent(source);
-        channelEvent.setMessageType(ChannelEventMessageType.UPDATE);
-        channelEvent.setChannels(channels);
-        return channelEvent;
-    }
-
-    public static ChannelEvent getInstanceForDelete(Object source, CommonGBChannel channel) {
-        return getInstance(source, ChannelEventMessageType.DELETE, channel);
-    }
-
-    public static ChannelEvent getInstanceForOnline(Object source, CommonGBChannel channel) {
-        return getInstance(source, ChannelEventMessageType.ONLINE, channel);
-    }
-
-    public static ChannelEvent getInstanceForOnlineList(Object source, List<CommonGBChannel> channels) {
-        ChannelEvent channelEvent = new ChannelEvent(source);
-        channelEvent.setMessageType(ChannelEventMessageType.ONLINE);
-        channelEvent.setChannels(channels);
-        return channelEvent;
-    }
-
-    public static ChannelEvent getInstanceForOffline(Object source, CommonGBChannel channel) {
-        return getInstance(source, ChannelEventMessageType.OFFLINE, channel);
-    }
-
-    public static ChannelEvent getInstanceForOfflineList(Object source, List<CommonGBChannel> channel) {
-        ChannelEvent channelEvent = new ChannelEvent(source);
-        channelEvent.setMessageType(ChannelEventMessageType.OFFLINE);
-        channelEvent.setChannels(channel);
-        return channelEvent;
-    }
-
-    public static Object getInstanceForDeleteList(Object source, List<CommonGBChannel> commonGBChannels) {
-        ChannelEvent channelEvent = new ChannelEvent(source);
-        channelEvent.setMessageType(ChannelEventMessageType.DELETE);
-        channelEvent.setChannels(commonGBChannels);
-        return channelEvent;
-    }
-
-    private static ChannelEvent getInstance(Object source, ChannelEventMessageType messageType, CommonGBChannel channel) {
+    public static ChannelEvent getInstance(Object source, ChannelEventMessageType messageType, List<CommonGBChannel> channelList) {
         ChannelEvent channelEvent = new ChannelEvent(source);
         channelEvent.setMessageType(messageType);
-        channelEvent.setChannels(Collections.singletonList(channel));
+        channelEvent.setChannels(channelList);
         return channelEvent;
     }
 
diff --git a/src/main/java/com/genersoft/iot/vmp/gb28181/service/impl/GbChannelServiceImpl.java b/src/main/java/com/genersoft/iot/vmp/gb28181/service/impl/GbChannelServiceImpl.java
index 472370144..261d71281 100644
--- a/src/main/java/com/genersoft/iot/vmp/gb28181/service/impl/GbChannelServiceImpl.java
+++ b/src/main/java/com/genersoft/iot/vmp/gb28181/service/impl/GbChannelServiceImpl.java
@@ -135,7 +135,8 @@ public class GbChannelServiceImpl implements IGbChannelService {
             return 0;
         }
         // 确定编号是否重复
-        if (commonGBChannelMapper.queryByDeviceId(commonGBChannel.getGbDeviceId()).size() > 1) {
+        List<CommonGBChannel> channels = commonGBChannelMapper.queryByDeviceId(commonGBChannel.getGbDeviceId());
+        if (channels.size() > 1) {
             throw new ControllerException(ErrorCode.ERROR100.getCode(), "国标编号重复，请修改编号后保存");
         }
         commonGBChannel.setUpdateTime(DateUtil.getNow());
diff --git a/src/main/java/com/genersoft/iot/vmp/gb28181/service/impl/PlatformChannelServiceImpl.java b/src/main/java/com/genersoft/iot/vmp/gb28181/service/impl/PlatformChannelServiceImpl.java
index f0669c8b0..3d66a169b 100755
--- a/src/main/java/com/genersoft/iot/vmp/gb28181/service/impl/PlatformChannelServiceImpl.java
+++ b/src/main/java/com/genersoft/iot/vmp/gb28181/service/impl/PlatformChannelServiceImpl.java
@@ -242,7 +242,6 @@ public class PlatformChannelServiceImpl implements IPlatformChannelService {
                     }
                 }
             }
-
             // 发送消息
             try {
                 // 发送catalog