diff --git a/xkt/src/main/resources/mapper/StoreProductMapper.xml b/xkt/src/main/resources/mapper/StoreProductMapper.xml
index 5937dafdb..492097819 100644
--- a/xkt/src/main/resources/mapper/StoreProductMapper.xml
+++ b/xkt/src/main/resources/mapper/StoreProductMapper.xml
@@ -224,11 +224,16 @@ PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
             sp.prod_title,
             sp.create_time,
             spd.detail,
-            EXISTS ( SELECT 1 FROM user_favorites uf WHERE sp.id = uf.store_prod_id AND uf.del_flag = 0 AND uf.user_id = #{userId} ) AS collectProd
+            <if test="userId != null">
+                EXISTS ( SELECT 1 FROM user_favorites uf WHERE sp.id = uf.store_prod_id AND uf.del_flag = 0 AND uf.user_id = #{userId} ) AS collectProd
+            </if>
+            <if test="userId == null">
+                false AS collectProd
+            </if>
         FROM
             store_product sp
-                 JOIN store_product_detail spd ON sp.id = spd.store_prod_id AND spd.del_flag = 0
-                 JOIN store s ON sp.store_id = s.id
+                JOIN store_product_detail spd ON sp.id = spd.store_prod_id AND spd.del_flag = 0
+                JOIN store s ON sp.store_id = s.id
         WHERE
             sp.del_flag = 0
             AND sp.id = #{storeProdId}