diff --git a/PyUartAssistant/PyUart.exe b/PyUartAssistant/PyUart.exe
index 9bf4dda..dc786f9 100644
Binary files a/PyUartAssistant/PyUart.exe and b/PyUartAssistant/PyUart.exe differ
diff --git a/PyUartAssistant/PyUart.py b/PyUartAssistant/PyUart.py
index ace42f3..0847a5d 100644
--- a/PyUartAssistant/PyUart.py
+++ b/PyUartAssistant/PyUart.py
@@ -6,7 +6,7 @@ Created on Mon May 27 14:31:38 2024
 """
 
 import sys
-import serial
+import serial,re
 import serial.tools.list_ports
 import time,datetime
 
@@ -342,6 +342,7 @@ class PyQt5Serial(QtWidgets.QWidget,Ui_UartAssistant):
                 # ASCII发送
                 else:  
                     input_s = (input_s).encode('utf-8')
+                    input_s = re.sub(b'(?<!\r)\n', b'\r\n', input_s)
                     
                 # HEX接收显示
                 if self.checkBoxHexReceive.isChecked():