diff --git a/src/components/drawers/AddOnline.vue b/src/components/drawers/AddOnline.vue
index 0c372be7..b5aa089d 100644
--- a/src/components/drawers/AddOnline.vue
+++ b/src/components/drawers/AddOnline.vue
@@ -226,7 +226,7 @@ export default {
       const columns = [
         {
           title: "课程编号",
-          dataIndex: "num",
+          dataIndex: "onlineClassesId",
           key: "num",
           width: "80px",
           align: "left",