diff --git a/src/main/java/com/genersoft/iot/vmp/service/impl/DeviceServiceImpl.java b/src/main/java/com/genersoft/iot/vmp/service/impl/DeviceServiceImpl.java
index a6b9cc53..29b8bcb0 100644
--- a/src/main/java/com/genersoft/iot/vmp/service/impl/DeviceServiceImpl.java
+++ b/src/main/java/com/genersoft/iot/vmp/service/impl/DeviceServiceImpl.java
@@ -398,10 +398,10 @@ public class DeviceServiceImpl implements IDeviceService {
                 return null;
             }
             // 使用行政区划展示树
-            if (parentId.length() > 10) {
-                // TODO 可能是行政区划与业务分组混杂的情形
-                return null;
-            }
+//            if (parentId.length() > 10) {
+//                // TODO 可能是行政区划与业务分组混杂的情形
+//                return null;
+//            }
 
             if (parentId.length() == 10 ) {
                 if (onlyCatalog) {
@@ -416,7 +416,18 @@ public class DeviceServiceImpl implements IDeviceService {
             List<DeviceChannel> channelsForCivilCode = deviceChannelMapper.getChannelsWithCivilCodeAndLength(deviceId, parentId, parentId.length() + 2);
             if (!onlyCatalog) {
                 List<DeviceChannel> channels = deviceChannelMapper.getChannelsByCivilCode(deviceId, parentId);
-                channelsForCivilCode.addAll(channels);
+
+                for(DeviceChannel channel : channels) {
+                    boolean flag = false;
+                    for(DeviceChannel deviceChannel : channelsForCivilCode) {
+                        if(channel.getChannelId().equals(deviceChannel.getChannelId())) {
+                            flag = true;
+                        }
+                    }
+                    if(!flag) {
+                        channelsForCivilCode.add(channel);
+                    }
+                }
             }
             List<BaseTree<DeviceChannel>> trees = transportChannelsToTree(channelsForCivilCode, parentId);
             return trees;
diff --git a/src/main/java/com/genersoft/iot/vmp/storager/dao/DeviceChannelMapper.java b/src/main/java/com/genersoft/iot/vmp/storager/dao/DeviceChannelMapper.java
index 3ef412d6..9b2a099d 100644
--- a/src/main/java/com/genersoft/iot/vmp/storager/dao/DeviceChannelMapper.java
+++ b/src/main/java/com/genersoft/iot/vmp/storager/dao/DeviceChannelMapper.java
@@ -71,7 +71,7 @@ public interface DeviceChannelMapper {
             "WHERE " +
             "dc.deviceId = #{deviceId} " +
             " <if test='query != null'> AND (dc.channelId LIKE '%${query}%' OR dc.name LIKE '%${query}%' OR dc.name LIKE '%${query}%')</if> " +
-            " <if test='parentChannelId != null'> AND dc.parentId=#{parentChannelId} </if> " +
+            " <if test='parentChannelId != null'> AND (dc.parentId=#{parentChannelId} OR dc.civilCode = #{parentChannelId}) </if> " +
             " <if test='online == true' > AND dc.status=1</if>" +
             " <if test='online == false' > AND dc.status=0</if>" +
             " <if test='hasSubChannel == true' >  AND dc.subCount > 0 </if>" +
@@ -309,8 +309,10 @@ public interface DeviceChannelMapper {
             "select * " +
             "from device_channel " +
             "where deviceId=#{deviceId}" +
-            " <if test='parentId != null' > and left(channelId, ${parentId.length()}) = #{parentId}</if>" +
-            " <if test='length != null' > and length(channelId)=${length}</if>" +
+            " <if test='parentId != null and length != null' > and parentId = #{parentId} or left(channelId, ${parentId.length()}) = #{parentId} and length(channelId)=${length} </if>" +
+            " <if test='parentId == null and length != null' > and parentId = #{parentId} or length(channelId)=${length} </if>" +
+            " <if test='parentId == null and length == null' > and parentId = #{parentId} </if>" +
+            " <if test='parentId != null and length == null' > and parentId = #{parentId} or left(channelId, ${parentId.length()}) = #{parentId} </if>" +
             " </script>"})
     List<DeviceChannel> getChannelsWithCivilCodeAndLength(String deviceId, String parentId, Integer length);