update

src/views/live/student/group.js

@@ -78,7 +78,7 @@ export function initListener(vue) {
   // 教师 必须在加入房间成功的事件回调里创建本地流
   rtc.on('conference_join', () => {
     console.log('加入房间成功');
-    if (vue.studentSelf.is_teacher_role_in_room === 'true') {
+    if (vue.studentSelf.is_teacher_role_in_room === 'false') {
       rtc.handsUp({
         success: str => {
           console.log('举手成功', str);