导出数据调整

src/views/lecturer/MonthlyStatistics.vue

@@ -203,7 +203,7 @@ export default {
     const sysTypeOptions = computed(() => store.state.content_type);
     const columns = ref([
       {
-        title: '讲师姓名 ',
+        title: '讲师名称',
         dataIndex: 'name',
         key: 'name',
         elipsis: true,
@@ -251,6 +251,14 @@ export default {
         align: "center",
         width: 200,
       },
+      {
+        title: '开发课程时长 ',
+        dataIndex: 'teachingTime',
+        key: 'teachingTime',
+        elipsis: true,
+        align: "center",
+        width: 200,
+      },
       {
         title: '计划费用 ',
         dataIndex: 'expense',