diff --git a/bonus-modules/bonus-smart-canteen/src/main/resources/mapper/cook/CookDishesMapper.xml b/bonus-modules/bonus-smart-canteen/src/main/resources/mapper/cook/CookDishesMapper.xml
index 980dcd5..491eb17 100644
--- a/bonus-modules/bonus-smart-canteen/src/main/resources/mapper/cook/CookDishesMapper.xml
+++ b/bonus-modules/bonus-smart-canteen/src/main/resources/mapper/cook/CookDishesMapper.xml
@@ -165,7 +165,7 @@ PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
             <if test="glycemicIndex != null "> and cd.glycemic_index = #{glycemicIndex}</if>
             <if test="sort != null "> and cd.sort = #{sort}</if>
             <if test="canteenId != null "> and cd.canteen_id = #{canteenId}</if>
-            <if test="stallId != null "> and (cd.shopstall_id = #{stallId} or cd.shopstall_id is null or cd.shopstall_id == '')</if>
+            <if test="stallId != null "> and (cd.shopstall_id = #{stallId} or cd.shopstall_id is null or cd.shopstall_id = '')</if>
             <if test="hideFlag != null "> and cd.hide_flag = #{hideFlag}</if>
             <if test="convertFlag != null "> and cd.convert_flag = #{convertFlag}</if>
             <if test="materialCost != null "> and cd.material_cost = #{materialCost}</if>