fix 班级

zhongzheng-system/src/main/resources/mapper/modules/user/UserStudyRecordMapper.xml

@@ -1387,8 +1387,10 @@
         usr.*
         FROM
         user_study_record usr
+        LEFT JOIN class_grade_user cgu  ON usr.order_goods_id = cgu.order_goods_id
         WHERE
         usr.user_id = #{userId}
+        AND cgu.change_grade = 0
         <if test="goodsId != null and goodsId !='' ">
             AND usr.goods_id = #{goodsId}
         </if>