初始化

lib/pages/student/room/video/teacher_video.dart

@@ -0,0 +1,22 @@
+import 'package:flutter/material.dart';
+
+class TeacherVideo extends StatefulWidget {
+  const TeacherVideo({super.key});
+
+  @override
+  State<TeacherVideo> createState() => _TeacherVideoState();
+}
+
+class _TeacherVideoState extends State<TeacherVideo> {
+  @override
+  Widget build(BuildContext context) {
+    return SafeArea(
+      child: Align(
+        child: Text(
+          "画面准备中",
+          style: TextStyle(color: Colors.white),
+        ),
+      ),
+    );
+  }
+}