fix

src/main/java/cn/com/qmth/scancentral/service/impl/SubjectServiceImpl.java

@@ -312,6 +312,7 @@ public class SubjectServiceImpl extends MppServiceImpl<SubjectDao, SubjectEntity
             throw new StatusException("没有考生信息");
         }
         DataExportTaskVo vo = new DataExportTaskVo();
+        vo.setTaskId(FastUUID.get());
         vo.setTotalCount(scount);
         vo.setExamId(examId);
         vo.setSubjectCode(subjectCode);
@@ -334,6 +335,7 @@ public class SubjectServiceImpl extends MppServiceImpl<SubjectDao, SubjectEntity
             throw new StatusException("没有考生信息");
         }
         DataExportTaskVo vo = new DataExportTaskVo();
+        vo.setTaskId(FastUUID.get());
         vo.setTotalCount(scount);
         vo.setExamId(examId);
         vo.setSubjectCode(subjectCode);