fixbug

stmms-web/src/main/java/cn/com/qmth/stmms/admin/exam/parameter/ExamStudentController.java

@@ -451,6 +451,7 @@ public class ExamStudentController extends BaseParameterController {
                 if (student != null) {
                     student.setManualAbsent(true);
                     student.setScanCheck(ScanCheck.TODO);
+                    studentService.save(student);
                     successNum++;
                 } else {
                     failureMsg.append("<br/>准考证号 " + studentVO.getExamNumber() + " 不存在; ");