优化考生导入错误提示

exam-work-api/src/main/java/cn/com/qmth/examcloud/service/examwork/service/ExamStudentService.java

@@ -227,8 +227,8 @@ public class ExamStudentService {
 			return new ExcelError("学习中心不存在/禁用");
 		}
 		dto.setOrgId(org.getId());
-		stuCheck(dto);
 		dto.setOrgName(org.getName());
+		stuCheck(dto);
 		return null;
 	}