优化授权课页面

web/src/main/resources/static/js/jlw/teachingManagement/add.js

@@ -170,10 +170,12 @@ layui.define(['form', 'laydate', 'table', 'teachingManagementApi', 'table', 'xmS
                      setTimeout(function () {
                          var param = $("#addForm").serializeJson();
                          var list = [];
+                         if(!$.isEmpty(teacherMergeClassThirdId)){
                              for (var key in delMap){ //删除的
                                  delMap[key].teacherMergeClassThirdStatus = 2;
                                  list.push(delMap[key]);
                              }
+                         }
                          for (var key in tableListMap){  //添加的
                              tableListMap[key].teacherMergeClassThirdStatus = 1;
                              list.push(tableListMap[key]);