diff --git a/cs-device/cs-device-boot/src/main/java/com/njcn/csdevice/mapper/mapping/CsDataSetMapper.xml b/cs-device/cs-device-boot/src/main/java/com/njcn/csdevice/mapper/mapping/CsDataSetMapper.xml
index 7582f82..1bf5fda 100644
--- a/cs-device/cs-device-boot/src/main/java/com/njcn/csdevice/mapper/mapping/CsDataSetMapper.xml
+++ b/cs-device/cs-device-boot/src/main/java/com/njcn/csdevice/mapper/mapping/CsDataSetMapper.xml
@@ -14,7 +14,7 @@
         where
             pid = #{modelId}
           and cl_dev = #{clDev}
-          and data_type in ('Stat',NULL)
+          and (data_type = 'Stat' or data_type IS NULL)
         order by type,cl_dev
     </select>