老师端几乎ok

lib/data/models/student.dart

@@ -1,16 +0,0 @@
-///学生视频的模型
-class Student {
-  final String id;
-  final String name;
-  final bool cameraOn;
-  final bool micOn;
-  final bool muted;
-
-  Student({
-    required this.id,
-    required this.name,
-    this.cameraOn = true,
-    this.micOn = true,
-    this.muted = true,
-  });
-}