diff --git a/fastbee-service/fastbee-iot-service/src/main/resources/mapper/iot/ThingsModelMapper.xml b/fastbee-service/fastbee-iot-service/src/main/resources/mapper/iot/ThingsModelMapper.xml
index ce852cb..e2d7ede 100644
--- a/fastbee-service/fastbee-iot-service/src/main/resources/mapper/iot/ThingsModelMapper.xml
+++ b/fastbee-service/fastbee-iot-service/src/main/resources/mapper/iot/ThingsModelMapper.xml
@@ -409,7 +409,7 @@
                 specs = #{specs},
             </if>
             <if test="group != null and group != ''">
-                group = #{group},
+                `group` = #{group},
             </if>
             <if test="isChart != null">
                 is_chart = #{isChart},