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				@@ -13,6 +13,7 @@ import com.genersoft.iot.vmp.gb28181.utils.SipUtils; 
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				 import com.genersoft.iot.vmp.gb28181.utils.XmlUtil; 
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				 import com.genersoft.iot.vmp.service.IDeviceChannelService; 
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				 import com.genersoft.iot.vmp.storager.IRedisCatchStorage; 
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				+import com.genersoft.iot.vmp.utils.DateUtil; 
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				 import org.dom4j.DocumentException; 
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				 import org.dom4j.Element; 
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				 import org.slf4j.Logger; 
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				@@ -185,6 +186,7 @@ public class NotifyRequestForCatalogProcessor extends SIPRequestProcessorParent 
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				 							// 判断此通道是否存在 
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				 							DeviceChannel deviceChannel = deviceChannelService.getOne(deviceId, channel.getChannelId()); 
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				 							if (deviceChannel != null) { 
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				+								logger.info("[增加通道] 已存在,不发送通知只更新,设备: {}, 通道 {}", device.getDeviceId(), channel.getChannelId()); 
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				 								channel.setId(deviceChannel.getId()); 
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				 								updateChannelMap.put(channel.getChannelId(), channel); 
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				 								if (updateChannelMap.keySet().size() > 300) { 
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				@@ -222,6 +224,7 @@ public class NotifyRequestForCatalogProcessor extends SIPRequestProcessorParent 
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				 							DeviceChannel deviceChannelForUpdate = deviceChannelService.getOne(deviceId, channel.getChannelId()); 
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				 							if (deviceChannelForUpdate != null) { 
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				 								channel.setId(deviceChannelForUpdate.getId()); 
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				+								channel.setUpdateTime(DateUtil.getNow()); 
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				 								updateChannelMap.put(channel.getChannelId(), channel); 
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				 								if (updateChannelMap.keySet().size() > 300) { 
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				 									executeSaveForUpdate(); 
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				@@ -244,11 +247,11 @@ public class NotifyRequestForCatalogProcessor extends SIPRequestProcessorParent 
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				 					// 转发变化信息 
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				 					eventPublisher.catalogEventPublish(null, channel, event); 
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				-					if (updateChannelMap.keySet().size() > 0 
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				-							|| addChannelMap.keySet().size() > 0 
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				-							|| updateChannelOnlineList.size() > 0 
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				-							|| updateChannelOfflineList.size() > 0 
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				-							|| deleteChannelList.size() > 0) { 
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				+					if (!updateChannelMap.keySet().isEmpty() 
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				+							|| !addChannelMap.keySet().isEmpty() 
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				+							|| !updateChannelOnlineList.isEmpty() 
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				+							|| !updateChannelOfflineList.isEmpty() 
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				+							|| !deleteChannelList.isEmpty()) { 
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				 						if (!dynamicTask.contains(talkKey)) { 
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				 							dynamicTask.startDelay(talkKey, this::executeSave, 1000); 
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				@@ -262,16 +265,36 @@ public class NotifyRequestForCatalogProcessor extends SIPRequestProcessorParent 
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				 	} 
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				 	private void executeSave(){ 
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				-		executeSaveForAdd(); 
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				-		executeSaveForUpdate(); 
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				-		executeSaveForDelete(); 
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				-		executeSaveForOnline(); 
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				-		executeSaveForOffline(); 
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				+		try { 
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				+			executeSaveForAdd(); 
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				+		} catch (Exception e) { 
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				+			logger.error("[存储收到的增加通道] 异常: ", e ); 
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				+		} 
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				+		try { 
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				+			executeSaveForUpdate(); 
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				+		} catch (Exception e) { 
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				+			logger.error("[存储收到的更新通道] 异常: ", e ); 
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				+		} 
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				+		try { 
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				+			executeSaveForDelete(); 
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				+		} catch (Exception e) { 
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				+			logger.error("[存储收到的删除通道] 异常: ", e ); 
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				+		} 
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				+		try { 
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				+			executeSaveForOnline(); 
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				+		} catch (Exception e) { 
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				+			logger.error("[存储收到的通道上线] 异常: ", e ); 
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				+		} 
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				+		try { 
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				+			executeSaveForOffline(); 
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				+		} catch (Exception e) { 
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				+			logger.error("[存储收到的通道离线] 异常: ", e ); 
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				+		} 
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				 		dynamicTask.stop(talkKey); 
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				 	} 
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				 	private void executeSaveForUpdate(){ 
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				-		if (updateChannelMap.values().size() > 0) { 
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				+		if (!updateChannelMap.values().isEmpty()) { 
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				 			ArrayList<DeviceChannel> deviceChannels = new ArrayList<>(updateChannelMap.values()); 
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				 			updateChannelMap.clear(); 
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				 			deviceChannelService.batchUpdateChannel(deviceChannels); 
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				@@ -280,7 +303,7 @@ public class NotifyRequestForCatalogProcessor extends SIPRequestProcessorParent 
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				 	} 
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				 	private void executeSaveForAdd(){ 
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				-		if (addChannelMap.values().size() > 0) { 
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				+		if (!addChannelMap.values().isEmpty()) { 
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				 			ArrayList<DeviceChannel> deviceChannels = new ArrayList<>(addChannelMap.values()); 
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				 			addChannelMap.clear(); 
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				 			deviceChannelService.batchAddChannel(deviceChannels); 
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				@@ -288,21 +311,21 @@ public class NotifyRequestForCatalogProcessor extends SIPRequestProcessorParent 
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				 	} 
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				 	private void executeSaveForDelete(){ 
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				-		if (deleteChannelList.size() > 0) { 
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				+		if (!deleteChannelList.isEmpty()) { 
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				 			deviceChannelService.deleteChannels(deleteChannelList); 
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				 			deleteChannelList.clear(); 
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				 		} 
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				 	} 
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				 	private void executeSaveForOnline(){ 
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				-		if (updateChannelOnlineList.size() > 0) { 
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				+		if (!updateChannelOnlineList.isEmpty()) { 
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				 			deviceChannelService.channelsOnline(updateChannelOnlineList); 
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				 			updateChannelOnlineList.clear(); 
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				 		} 
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				 	} 
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				 	private void executeSaveForOffline(){ 
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				-		if (updateChannelOfflineList.size() > 0) { 
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				+		if (!updateChannelOfflineList.isEmpty()) { 
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				 			deviceChannelService.channelsOffline(updateChannelOfflineList); 
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				 			updateChannelOfflineList.clear(); 
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				 		} 
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