diff --git a/src/main/resources/mapper/BatteryMeal.xml b/src/main/resources/mapper/BatteryMeal.xml
index 696a77e..b36157b 100644
--- a/src/main/resources/mapper/BatteryMeal.xml
+++ b/src/main/resources/mapper/BatteryMeal.xml
@@ -43,7 +43,7 @@
             SELECT
             id
             from zc_rent_battey_rule
-            where  meal_id = #{mealId}
+            where  meal_id = #{meal_id}
         </selectKey>
         update zc_rent_battey_rule
         <trim prefix="SET" suffixOverrides=",">
@@ -60,6 +60,6 @@
             <if test="category_id != null">category_id = #{category_id},</if>
             <if test="syncTime != null">sync_time = #{syncTime},</if>
         </trim>
-        where meal_id = #{mealId}
+        where meal_id = #{meal_id}
     </update>
 </mapper>