fix: 豆包流式decode错误

main/xiaozhi-server/core/providers/asr/doubao_stream.py

@@ -309,9 +309,10 @@ class ASRProvider(ASRProviderBase):
 
             # 如果是错误响应
             if message_type == 0x0F:  # SERVER_ERROR_RESPONSE
-                code = int.from_bytes(header[4:8], "big", signed=False)
-                error_msg = res[8:].decode("utf-8")
-                return {"code": code, "error": error_msg}
+                code = int.from_bytes(res[4:8], "big", signed=False)
+                msg_length = int.from_bytes(res[8:12], "big", signed=False)
+                error_msg = res[12:].decode("utf-8")
+                return {"code": code, "msg_length": msg_length, "error": error_msg}
 
             # 获取JSON数据（跳过12字节头部）
             try: