diff --git a/lib/rtc/rtc_manager.dart b/lib/rtc/rtc_manager.dart
index 6150f64..f49fcd1 100644
--- a/lib/rtc/rtc_manager.dart
+++ b/lib/rtc/rtc_manager.dart
@@ -421,6 +421,17 @@ class RTCManager {
     print('客户端角色已设置为：$role');
   }
 
+  /// 发送消息
+  Future<void> sendMessage(String message) async {
+    Uint8List data = utf8.encode(message);
+    await _engine!.sendStreamMessage(
+      streamId: _streamId ?? 0,
+      data: data,
+      length: data.length,
+    );
+    print('已发送消息：$message');
+  }
+
   /// 获取当前频道ID
   String? get currentChannelId => _currentChannelId;