diff --git a/src/main/java/com/iflytop/handacid/app/service/DeviceService.java b/src/main/java/com/iflytop/handacid/app/service/DeviceService.java
index f5368ef..6d21a5a 100644
--- a/src/main/java/com/iflytop/handacid/app/service/DeviceService.java
+++ b/src/main/java/com/iflytop/handacid/app/service/DeviceService.java
@@ -26,15 +26,23 @@ public class DeviceService {
     private final ChannelService channelService;
 
     public void syncOperations(SyncOperationsDTO syncOperationsDTO) {
-        deviceState.setMode(syncOperationsDTO.getMode());
-        systemConfigService.updateValueByKey(SystemConfigKey.SOLUTION_ADD_MODE, syncOperationsDTO.getMode().toString());
-        for (SyncOperationsChannel syncOperationsChannel : syncOperationsDTO.getChannels()) {
-            ChannelState channelState = deviceState.getChannelStateMap().get(syncOperationsChannel.getChannelCode());
-            channelState.setSelected(syncOperationsChannel.isSelected());
-            channelState.setTargetVolume(syncOperationsChannel.getTargetVolume());
-            Channel channel = channelService.getOne(new LambdaQueryWrapper<>(Channel.class).eq(Channel::getCode, syncOperationsChannel.getChannelCode()));
-            channel.setTargetVolume(syncOperationsChannel.getTargetVolume());
-            channelService.updateById(channel);
+        if(syncOperationsDTO.getMode() != null){
+            deviceState.setMode(syncOperationsDTO.getMode());
+            systemConfigService.updateValueByKey(SystemConfigKey.SOLUTION_ADD_MODE, syncOperationsDTO.getMode().toString());
+        }
+        if(syncOperationsDTO.getChannels() != null){
+            for (SyncOperationsChannel syncOperationsChannel : syncOperationsDTO.getChannels()) {
+                ChannelState channelState = deviceState.getChannelStateMap().get(syncOperationsChannel.getChannelCode());
+                if(syncOperationsChannel.getSelected() != null){
+                    channelState.setSelected(syncOperationsChannel.getSelected());
+                }
+                if(syncOperationsChannel.getTargetVolume() != null){
+                    channelState.setTargetVolume(syncOperationsChannel.getTargetVolume());
+                    Channel channel = channelService.getOne(new LambdaQueryWrapper<>(Channel.class).eq(Channel::getCode, syncOperationsChannel.getChannelCode()));
+                    channel.setTargetVolume(syncOperationsChannel.getTargetVolume());
+                    channelService.updateById(channel);
+                }
+            }
         }
     }
 }