diff --git a/coolstore-partner-dao/src/main/resources/mapper/ThirdDepartmentMapper.xml b/coolstore-partner-dao/src/main/resources/mapper/ThirdDepartmentMapper.xml
index 71f8d4b3a..32dfd5381 100644
--- a/coolstore-partner-dao/src/main/resources/mapper/ThirdDepartmentMapper.xml
+++ b/coolstore-partner-dao/src/main/resources/mapper/ThirdDepartmentMapper.xml
@@ -107,6 +107,7 @@
     SELECT <include refid="Base_Column_List"/>
     FROM third_department_${enterpriseId}
     WHERE department_name = #{name}
+    limit 1
   </select>
 
 </mapper>
\ No newline at end of file