修复1

ruoyi-system/src/main/resources/mapper/system/UserCollectMapper.xml

@@ -76,7 +76,7 @@ PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
     </delete>
 
     <delete id="deleteUserCollectByIds" parameterType="String">
-        delete from user_collect where id in 
+        delete from user_collect where collect_id in
         <foreach item="id" collection="array" open="(" separator="," close=")">
             #{id}
         </foreach>