我的作业代码提交

snowy-plugin/snowy-plugin-exam/snowy-plugin-exam-func/src/main/java/vip/xiaonuo/exam/mapper/mapping/ExamPaperMapper.xml

@@ -417,7 +417,7 @@
       ch.COURSE_ID courseId,
       ci.COURSE_NAME courseName,
       co.GRADES_ID gradesId,
-      tepa.status,
+      nvl(tepa.status,0) status,
       tepa.id answerId
     FROM
       t_exam_paper tep