fix bug

exam-work-domain/src/main/java/cn/com/qmth/examcloud/service/examwork/dto/ExamStudentDTO.java

@@ -94,7 +94,7 @@ public class ExamStudentDTO {
 	/**
 	 * 年级
 	 */
-	@ExcelProperty(index = 10,name = "年纪")
+	@ExcelProperty(index = 10,name = "年级")
 	private String grade;
 	
 	public Long getId() {