课程详情页改变title

src/components/detail/index.js

@@ -261,6 +261,7 @@ class Detail extends Component {
                 });
                 if (data.course_info) {
                     let course_info = data.course_info;
+                    document.title = course_info.course_title
                     if (course_info.group_status === 3 || course_info.group_status === 4) {
                         let endTime = course_info.pdd_group_info.groupon_member.end_time;
                         let date = endTime * 1000,