bug修复

teachcloud-report-business/src/main/java/com/qmth/teachcloud/report/business/service/impl/TBExamStudentServiceImpl.java

@@ -326,7 +326,7 @@ public class TBExamStudentServiceImpl extends ServiceImpl<TBExamStudentMapper, T
 
         //考试信息
         List<ExamInfo> examInfo = tbExamStudentMapper.listExamBySchoolIdAndStudentCode(schoolId, studentCode);
-        if (Objects.isNull(examInfo)) {
+        if (Objects.isNull(examInfo) || examInfo.size() == 0) {
             throw ExceptionResultEnum.ERROR.exception("未找到此考生的考试信息");
         }
         for (ExamInfo info : examInfo) {