diff --git a/PyUartAssistant/PyUart.py b/PyUartAssistant/PyUart.py
index 89fca84..b15eef3 100644
--- a/PyUartAssistant/PyUart.py
+++ b/PyUartAssistant/PyUart.py
@@ -274,7 +274,7 @@ class PyQt5Serial(QtWidgets.QWidget,Ui_UartAssistant):
         #日志保存
         # 格式化日期时间字符串，用于文件名
         # 例如：2024-05-28_12-34-56.txt
-        self.file =time.strftime("%Y%m%d%H%M%S", time.localtime())+self.ser.port
+        self.file = self.ser.port+"-"+time.strftime("%Y%m%d%H%M%S", time.localtime())
         self.filename = self.file + ".txt"
             
 
@@ -293,7 +293,10 @@ class PyQt5Serial(QtWidgets.QWidget,Ui_UartAssistant):
 
             if num>0 :
                 #print("接收数据",datetime.datetime.now().strftime("%Y-%m-%d %H:%M:%S.%f"))
-                data = self.ser.read(num)
+                try:
+                    data = self.ser.read(num)
+                except:
+                    QMessageBox.critical(self, '串口异常')
                 self.buffer+=data
 
                 #print("接收完成",datetime.datetime.now().strftime("%Y-%m-%d %H:%M:%S.%f"))
@@ -337,11 +340,30 @@ class PyQt5Serial(QtWidgets.QWidget,Ui_UartAssistant):
 
 
         except:
-            QMessageBox.critical(self, '串口异常', '串口接收数据异常，请重新连接设备！')
-            self.port_close()
-            return None
-        
-        
+            # QMessageBox.critical(self, '串口异常', '串口接收数据异常，请重新连接设备！')
+                # 获取到text光标
+            textCursor = self.textEditReceive.textCursor()
+                # 滚动到底部
+            textCursor.movePosition(textCursor.End)
+                # 设置光标到text中去
+            self.textEditReceive.setTextCursor(textCursor)
+            self.textEditReceive.insertPlainText("串口断开,重连中...\r\n")
+            self.ser.close()
+            
+            try:
+                print("重连中...")
+                time.sleep(1)
+                if not self.ser.is_open:
+                    self.ser.open()
+                    print("重连成功")
+                else:
+                    print("串口已连接，无需重连")
+            except Exception as e:
+
+                print(f"重连失败{e}")
+
+            
+
         # %%定时发送数据
     def data_send_timer(self):
         try: