t.readyState === WebSocket.OPEN) {
                            this.websocket.send(int16Buffer.buffer);
                            // this.addLog(`发送PCM数据: ${int16Buffer.byteLength}字节`);
                        }
                    };

                    // 连接处理节点到输出（避免垃圾收集）
                    this.source.connect(this.processor);
                    this.processor.connect(this.audioContext.destination);

                    this.isRecording = true;
         