diff --git a/web/src/main/resources/static/js/jlw/teacherOpenCourseScheduleSession/add.js b/web/src/main/resources/static/js/jlw/teacherOpenCourseScheduleSession/add.js
index d5e43552..2b2663d7 100644
--- a/web/src/main/resources/static/js/jlw/teacherOpenCourseScheduleSession/add.js
+++ b/web/src/main/resources/static/js/jlw/teacherOpenCourseScheduleSession/add.js
@@ -388,7 +388,7 @@ layui.define(['form', 'laydate', 'table', 'xmSelect', 'teacherOpenCourseSchedule
                 if(!$.isEmpty(teacherOpenCourseScheduleSessionId)){
                     url = "/jlw/teacherOpenCourseScheduleSession/editSession.json";
                 }
-                var ret = Common.postAjax(url,param);
+                var ret = Common.postAjax(url,JSON.stringify(param));
                 layer.msg(ret.code == 0 ? "保存成功！" : ret.msg, {
                     offset: ['50%'],
                     icon: ret.code == 0 ? 1 : 2,