update

edu-user/edu-user-biz/src/main/java/com/keao/edu/user/service/impl/StudentExamResultServiceImpl.java

@@ -154,6 +154,9 @@ public class StudentExamResultServiceImpl extends BaseServiceImpl<Long, StudentE
 		String baseUrl = "4?";
 
 		for (StudentExamResult studentExamResult : studentExamResults) {
+			if(Objects.isNull(studentExamResult.getResult())){
+				continue;
+			}
 			String examName = examIdNameMap.get(studentExamResult.getExaminationBasicId());
 			String subjectName = subjectIdNameMap.get(studentExamResult.getExamRegistration().getSubjectId());
 			String level = LevelEnum.getMsg(studentExamResult.getExamRegistration().getLevel());