修改mapper报错

@@ -91,7 +91,7 @@
         select <include refid="queryColumns"/>
         from product_sort
     </select>
-    <select id=selectSortByIdList resultMap="productSortMap">
+    <select id="selectSortByIdList" resultMap="productSortMap">
         select id,sort_name
         from product_sort where id in 
         <foreach item="item" index="index" collection="list" open="(" separator="," close=")">