src/main/java/com/genersoft/iot/vmp/storager/dao/DeviceChannelMapper.java
@@ -231,7 +231,6 @@ " name as title,\n" + " channelId as \"value\",\n" + " channelId as \"key\",\n" + " channelId,\n" + " longitude,\n" + " latitude\n" + " from device_channel\n" +