diff --git a/bonus-modules/bonus-smart-canteen/src/main/resources/mapper/ims/ImsSettingMapper.xml b/bonus-modules/bonus-smart-canteen/src/main/resources/mapper/ims/ImsSettingMapper.xml
index b39c68f..08c9b6f 100644
--- a/bonus-modules/bonus-smart-canteen/src/main/resources/mapper/ims/ImsSettingMapper.xml
+++ b/bonus-modules/bonus-smart-canteen/src/main/resources/mapper/ims/ImsSettingMapper.xml
@@ -75,7 +75,9 @@ PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
     <update id="batchToDefault" parameterType="com.bonus.canteen.core.ims.domain.ImsSetting">
         update ims_setting
         set item_value = default_value
-        where item_name = #{itemName}
+        <where>
+            <if test="itemName != null  and itemName != ''"> and item_name = #{itemName}</if>
+        </where>
     </update>
 
     <delete id="deleteImsSettingById" parameterType="Long">