fix

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

@@ -1167,7 +1167,7 @@ PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
 
     <select id="getStudyStatus" parameterType="com.zhongzheng.modules.grade.vo.ClassPeriodVo" resultType="Integer">
         SELECT
-            IFNULL(status,-1)
+            IFNULL(MAX(status),-1)
         FROM
             user_study_record
         WHERE