diff --git a/Learun.Framework.Ultimate V7/Learun.Application.Web/Areas/EducationalAdministration/Views/Exam_ExamTeacherTime/Form.js b/Learun.Framework.Ultimate V7/Learun.Application.Web/Areas/EducationalAdministration/Views/Exam_ExamTeacherTime/Form.js
index 8606a47ff..fb675f10e 100644
--- a/Learun.Framework.Ultimate V7/Learun.Application.Web/Areas/EducationalAdministration/Views/Exam_ExamTeacherTime/Form.js	
+++ b/Learun.Framework.Ultimate V7/Learun.Application.Web/Areas/EducationalAdministration/Views/Exam_ExamTeacherTime/Form.js	
@@ -78,6 +78,12 @@ var bootstrap = function ($, learun) {
         if (!$('body').lrValidform()) {
             return false;
         }
+        let starttime = new Date($('#ExamTimeStart').val()).getTime();
+        let endtime = new Date($('#ExamTimeEnd').val()).getTime();
+        if (endtime < starttime) {
+            learun.alert.warning("选择时间段不正确！");
+            return false;
+        }
         var postData = {
             strEntity: JSON.stringify($('body').lrGetFormData())
         };