Merge remote-tracking branch 'cloud-schoolapi/ywx'

sexam/src/main/java/com/xhkjedu/sexam/service/exam/EBaseService.java

         for (ESubject s : subjects) {
             s.setExamid(examid);
             s.setEsstate(0);
-            subjects.add(s);
         }
         eSubjectMapper.insertList(subjects);//考试科目