diff --git a/source/device/DeviceSerial.py b/source/device/DeviceSerial.py
index 88a6264..49f3428 100644
--- a/source/device/DeviceSerial.py
+++ b/source/device/DeviceSerial.py
@@ -22,11 +22,11 @@ class DeviceSerial:
 
         match callbacks:
             case (maker, parser):
-                self.frame_maker = maker if maker is not None else lambda self: ''
-                self.frame_parser = parser if parser is not None else lambda self, frame: ''
+                self._frame_maker = maker if maker is not None else lambda self: ''
+                self._frame_parser = parser if parser is not None else lambda self, frame: ''
             case _:
-                self.farme_maker = lambda self: ''
-                self.frame_parser = lambda self, frame: ''
+                self._frame_maker = lambda self: ''
+                self._frame_parser = lambda self, frame: ''
 
         self.output = {
             'result': False,
@@ -56,7 +56,7 @@ class DeviceSerial:
                 flag_frame = True
             frame_recv += bytes_read
         try:
-            self.output = self.frame_parser(frame_recv)
+            self.output = self._frame_parser(frame_recv)
             if self.flag_print:
                 print("Read Frame: ", ByteConv.trans_list_to_str(frame_recv))
         except Exception as ex:
@@ -70,7 +70,7 @@ class DeviceSerial:
     def _transfer_data(self) -> bool:
         """ 串口收发报文, 包含重试逻辑与数据打印 """
         # 生成发送帧
-        frame: bytearray = self.frame_maker()
+        frame: bytearray = self._frame_maker()
 
         if self.__com is None:
             """ 无效通信接口, 打印报文后返回 """