to buy in video

src/components/video/index.js

@@ -135,9 +135,11 @@ class Video extends Component {
 
     // 直接购买
     tobuy = () => {
-        http.get(`${API['base-api']}/m/cart/addtopreorder/[${getParam('id')}]`).then((res) => {
+        // 详情页单集购买到该页面，url中的id不是课程id
+        const { course={} } = this.state;
+        http.get(`${API['base-api']}/m/cart/addtopreorder/[${course.course_id}]`).then((res) => {
             if (res.data.errno === 0) {
-                this.props.history.push(`/order?id=${getParam('id')}`, {simple: 1})
+                this.props.history.push(`/order?id=${course.course_id}`, {simple: 1})
             } else {
                 Toast.info(res.data.msg, 2);
             }