diff --git a/config/app_config.json b/config/app_config.json
index c284556..d348eb8 100644
--- a/config/app_config.json
+++ b/config/app_config.json
@@ -3,7 +3,7 @@
         "name": "腾智微丝产线包装系统",
         "version": "1.0.0",
         "features": {
-            "enable_serial_ports": false,
+            "enable_serial_ports": true,
             "enable_keyboard_listener": false,
             "enable_camera": false
         },
@@ -49,8 +49,8 @@
         "default_framerate": 30
     },
     "modbus": {
-        "host": "192.168.2.88",
-        "port": "502"
+        "host": "localhost",
+        "port": "5020"
     },
     "serial": {
         "keyboard": {
@@ -78,6 +78,15 @@
             "stable_threshold": 10,
             "stop_bits": 1,
             "timeout": 1
+        },
+        "scanner": {
+            "code": "scanner",
+            "data_bits": 8,
+            "parity": "N",
+            "port": "9600",
+            "ser": "COM3",
+            "stop_bits": 1,
+            "timeout": 1
         }
     },
     "electricity": {
diff --git a/db/jtDB.db b/db/jtDB.db
index e0c9969..f7cd1ac 100644
Binary files a/db/jtDB.db and b/db/jtDB.db differ
diff --git a/from pymodbus.py b/from pymodbus.py
index 1c44735..b5453bb 100644
--- a/from pymodbus.py	
+++ b/from pymodbus.py	
@@ -3,19 +3,19 @@ import time
 client = ModbusTcpClient('localhost', port=5020)
 client.connect()
 client.write_registers(address=11, values=[2248])
-client.write_registers(address=13, values=[0])
+client.write_registers(address=3, values=[0])
 
-client.write_registers(address=21, values=[0])
-time.sleep(2)
-# client.write_registers(address=21, values=[1])
+# client.write_registers(address=20, values=[0])
+# time.sleep(2)
+# client.write_registers(address=20, values=[1])
 
 # client.write_registers(address=30, values=[25])
 # client.write_registers(address=5, values=[16])
 # 贴标完成
 # client.write_registers(address=24, values=[1])s
-client.write_registers(address=13, values=[1])
+# client.write_registers(address=13, values=[1])
 
 
-result = client.read_holding_registers(address=1, count=1)
+result = client.read_holding_registers(address=3, count=1)
 print(result.registers[0],"123===")
 client.close()
\ No newline at end of file
diff --git a/ui/serial_settings_ui.py b/ui/serial_settings_ui.py
index d3fa81c..efb6a21 100644
--- a/ui/serial_settings_ui.py
+++ b/ui/serial_settings_ui.py
@@ -28,7 +28,7 @@ class SerialSettingsUI(QWidget):
         enable_layout.addStretch()
         main_layout.addLayout(enable_layout)
         
-        # 创建串口设置组
+        # # 创建串口设置组
         serial_group = QGroupBox("串口设置")
         serial_layout = QGridLayout(serial_group)
         
@@ -39,6 +39,7 @@ class SerialSettingsUI(QWidget):
         # 串口选择
         mdz_port_layout = QHBoxLayout()
         self.mdz_port_combo = QComboBox()
+        self.mdz_port_combo.addItem("不使用", "")  # 添加空选项
         self.mdz_refresh_btn = QPushButton("刷新")
         mdz_port_layout.addWidget(self.mdz_port_combo)
         mdz_port_layout.addWidget(self.mdz_refresh_btn)
@@ -85,6 +86,7 @@ class SerialSettingsUI(QWidget):
         # 串口选择
         xj_port_layout = QHBoxLayout()
         self.xj_port_combo = QComboBox()
+        self.xj_port_combo.addItem("不使用", "")  # 添加空选项
         self.xj_refresh_btn = QPushButton("刷新")
         xj_port_layout.addWidget(self.xj_port_combo)
         xj_port_layout.addWidget(self.xj_refresh_btn)
@@ -114,10 +116,47 @@ class SerialSettingsUI(QWidget):
             self.xj_parity_combo.addItem(parity[0], parity[1])
         xj_layout.addRow("校验位:", self.xj_parity_combo)
         
+        # 扫码器串口设置
+        scanner_group = QGroupBox("扫码器串口")
+        scanner_layout = QFormLayout(scanner_group)
+        
+        # 串口选择
+        scanner_port_layout = QHBoxLayout()
+        self.scanner_port_combo = QComboBox()
+        self.scanner_port_combo.addItem("不使用", "")  # 添加空选项
+        self.scanner_refresh_btn = QPushButton("刷新")
+        scanner_port_layout.addWidget(self.scanner_port_combo)
+        scanner_port_layout.addWidget(self.scanner_refresh_btn)
+        scanner_layout.addRow("串口:", scanner_port_layout)
+        
+        # 波特率
+        self.scanner_baud_combo = QComboBox()
+        for baud in ["1200", "2400", "4800", "9600", "19200", "38400", "57600", "115200"]:
+            self.scanner_baud_combo.addItem(baud)
+        scanner_layout.addRow("波特率:", self.scanner_baud_combo)
+        
+        # 数据位
+        self.scanner_data_bits_combo = QComboBox()
+        for bits in ["5", "6", "7", "8"]:
+            self.scanner_data_bits_combo.addItem(bits)
+        scanner_layout.addRow("数据位:", self.scanner_data_bits_combo)
+        
+        # 停止位
+        self.scanner_stop_bits_combo = QComboBox()
+        for bits in ["1", "1.5", "2"]:
+            self.scanner_stop_bits_combo.addItem(bits)
+        scanner_layout.addRow("停止位:", self.scanner_stop_bits_combo)
+        
+        # 校验位
+        self.scanner_parity_combo = QComboBox()
+        for parity in [("无校验", "N"), ("奇校验", "O"), ("偶校验", "E")]:
+            self.scanner_parity_combo.addItem(parity[0], parity[1])
+        scanner_layout.addRow("校验位:", self.scanner_parity_combo)
         
         # 将三个组添加到布局
         serial_layout.addWidget(mdz_group, 0, 0)
         serial_layout.addWidget(xj_group, 0, 1)
+        serial_layout.addWidget(scanner_group, 1, 0)  # 添加扫码器串口设置，放在第二行第一列
         
         # 设置列伸缩因子，使两列等宽（比例1:1）
         serial_layout.setColumnStretch(0, 1)
@@ -129,8 +168,10 @@ class SerialSettingsUI(QWidget):
         test_layout = QHBoxLayout()
         self.test_mdz_btn = QPushButton("测试米电阻串口")
         self.test_xj_btn = QPushButton("测试线径串口")
+        self.test_scanner_btn = QPushButton("测试扫码器串口")  # 添加测试扫码器串口按钮
         test_layout.addWidget(self.test_mdz_btn)
         test_layout.addWidget(self.test_xj_btn)
+        test_layout.addWidget(self.test_scanner_btn)  # 添加到布局
         test_layout.addStretch()
         main_layout.addLayout(test_layout)
         
diff --git a/ui/settings_ui.py b/ui/settings_ui.py
index 75db6d5..451cd96 100644
--- a/ui/settings_ui.py
+++ b/ui/settings_ui.py
@@ -486,23 +486,23 @@ class SettingsUI(QWidget):
         self.tab_widget.addTab(self.param_tab, "参数配置")
     
     def create_electricity_tab(self):
-        """创建电量监控选项卡"""
-        # 电量监控选项卡
+        """创建电力监控选项卡"""
+        # 电力监控选项卡
         self.electricity_tab = QWidget()
         self.electricity_layout = QVBoxLayout(self.electricity_tab)
         self.electricity_layout.setContentsMargins(0, 0, 0, 0)
         self.electricity_layout.setSpacing(0)
         
         # 添加一个临时提示标签，表示此处将由ElectricitySettingsUI替换
-        self.electricity_placeholder = QLabel("正在加载电量监控设置...")
+        self.electricity_placeholder = QLabel("正在加载电力监控设置...")
         self.electricity_placeholder.setFont(self.normal_font)
         self.electricity_placeholder.setAlignment(Qt.AlignCenter)
         self.electricity_placeholder.setStyleSheet("color: #888888; padding: 20px;")
         self.electricity_layout.addWidget(self.electricity_placeholder)
         
         # 添加到选项卡
-        self.tab_widget.addTab(self.electricity_tab, "电量监控")
-        
+        self.tab_widget.addTab(self.electricity_tab, "电力监控")
+    
     def create_pallet_type_tab(self):
         # 托盘类型设置选项卡
         self.pallet_type_tab = QWidget()
diff --git a/utils/serial_manager.py b/utils/serial_manager.py
index 13744fe..0f01dce 100644
--- a/utils/serial_manager.py
+++ b/utils/serial_manager.py
@@ -54,7 +54,8 @@ class SerialManager:
         self.data = {
             'mdz': 0,
             'xj': 0,  # 添加线径数据
-            'cz': 0
+            'cz': 0,
+            'scanner': ''  # 添加扫码器数据
         }
         
         # 是否自动查询米电阻数据，默认为False，只通过PageUp键触发
@@ -102,6 +103,7 @@ class SerialManager:
             self.mdz_config = self.config.get_config('mdz')
             self.cz_config = self.config.get_config('cz')
             self.xj_config = self.config.get_config('xj')  # 添加线径配置
+            self.scanner_config = self.config.get_config('scanner')  # 添加扫码器配置
             
             # 检查操作系统类型，在macOS上处理COM端口名称问题
             os_type = platform.system()
@@ -118,7 +120,7 @@ class SerialManager:
             # 检查是否自动查询米电阻数据
             self.auto_query_mdz = self.config.get_value('serial.keyboard.auto_query', False)
             
-            logging.info(f"已加载串口配置：mdz={self.mdz_config}, xj={self.xj_config}, cz={self.cz_config}, data_file={self.data_file}")
+            logging.info(f"已加载串口配置：mdz={self.mdz_config}, xj={self.xj_config}, cz={self.cz_config}, scanner={self.scanner_config}, data_file={self.data_file}")
             logging.info(f"米电阻自动查询: {'开启' if self.auto_query_mdz else '关闭'}")
         except Exception as e:
             logging.error(f"加载配置出错: {e}")
@@ -126,6 +128,8 @@ class SerialManager:
             self.data_file = os.path.abspath('data.txt')
             self.mdz_config = {'port': 9600, 'ser': 'COM5'}
             self.cz_config = {'port': 9600, 'ser': 'COM2', 'stable_threshold': 10}
+            self.xj_config = {'port': 9600, 'ser': 'COM3'}
+            self.scanner_config = {'port': 9600, 'ser': 'COM4'}
             self.stable_threshold = 10
             self.auto_query_mdz = False
             logging.info(f"使用默认配置，数据文件: {self.data_file}")
@@ -194,90 +198,107 @@ class SerialManager:
         
         Args:
             port_name: 串口名称，如COM1
-            port_type: 串口类型，'cz'表示称重，'mdz'表示米电阻, 'xj'表示线径
+            port_type: 串口类型，'cz'表示称重，'mdz'表示米电阻, 'xj'表示线径, 'scanner'表示扫码器
             baud_rate: 波特率，如果为None则从配置文件读取
             data_bits: 数据位
             stop_bits: 停止位
-            parity: 校验位，N-无校验，E-偶校验，O-奇校验
+            parity: 校验位，'N'表示无校验，'O'表示奇校验，'E'表示偶校验
             timeout: 超时时间，单位秒
-            callback: 数据回调函数，接收参数为(port_name, data)
+            callback: 回调函数，接收(port_name, data)作为参数
             
         Returns:
-            是否成功打开
+            bool: 成功返回True，失败返回False
         """
+        # 如果串口已经打开，先关闭
+        if port_name in self.serial_ports and self.serial_ports[port_name]:
+            try:
+                self.close_port(port_name)
+            except Exception as e:
+                logging.error(f"关闭已打开的串口失败: {e}")
+        
+        # 配置串口参数
         try:
-            # 如果波特率为None，从配置文件读取
+            # 从配置读取波特率（如果未提供）
             if baud_rate is None:
                 if port_type == 'cz' and self.cz_config:
                     baud_rate = self.cz_config.get('port', 9600)
                 elif port_type == 'mdz' and self.mdz_config:
                     baud_rate = self.mdz_config.get('port', 9600)
-                elif port_type == 'xj' and self.xj_config:  # 添加线径配置
+                elif port_type == 'xj' and self.xj_config:
                     baud_rate = self.xj_config.get('port', 9600)
+                elif port_type == 'scanner' and self.scanner_config:
+                    baud_rate = self.scanner_config.get('port', 9600)
                 else:
                     baud_rate = 9600  # 默认波特率
             
-            # 如果串口已经打开，先关闭
-            if port_name in self.serial_ports:
-                self.close_port(port_name)
-                
+            # 转换校验位为PySerial常量
+            if parity.upper() == 'N':
+                parity_constant = serial.PARITY_NONE
+            elif parity.upper() == 'O':
+                parity_constant = serial.PARITY_ODD
+            elif parity.upper() == 'E':
+                parity_constant = serial.PARITY_EVEN
+            else:
+                parity_constant = serial.PARITY_NONE
+            
             # 打开串口
-            ser = serial.Serial(
+            self.serial_ports[port_name] = serial.Serial(
                 port=port_name,
                 baudrate=baud_rate,
                 bytesize=data_bits,
                 stopbits=stop_bits,
-                parity=parity,
+                parity=parity_constant,
                 timeout=timeout
             )
             
-            if not ser.is_open:
-                ser.open()
-                
-            # 存储串口对象
-            self.serial_ports[port_name] = ser
-            logging.info(f"串行对象 for {port_name} 存储在 self.serial_ports 中. 当前活跃端口: {list(self.serial_ports.keys())}")
+            logging.info(f"打开串口成功: {port_name}, 类型: {port_type}, 波特率: {baud_rate}")
             
             # 设置回调
             if callback:
                 self.callbacks[port_name] = callback
                 
-            # 启动读取线程
+            # 创建并启动读取线程
             self.running_flags[port_name] = True
             
-            # 根据串口类型选择不同的读取线程
             if port_type == 'cz':
+                # 称重数据需要特殊处理
                 thread = threading.Thread(target=self._read_weight_thread, args=(port_name, self.stable_threshold))
-                thread.daemon = True
-                thread.start()
-                self.read_threads[port_name] = thread
             elif port_type == 'mdz':
+                # 米电阻数据需要特殊处理
                 thread = threading.Thread(target=self._read_resistance_thread, args=(port_name,))
-                thread.daemon = True
-                thread.start()
-                self.read_threads[port_name] = thread
-            elif port_type == 'xj':  # 添加线径读取线程
+            elif port_type == 'xj':
+                # 线径数据需要特殊处理
                 thread = threading.Thread(target=self._read_diameter_thread, args=(port_name,))
-                thread.daemon = True
-                thread.start()
-                self.read_threads[port_name] = thread
+            elif port_type == 'scanner':
+                # 扫码器数据需要特殊处理
+                thread = threading.Thread(target=self._read_scanner_thread, args=(port_name,))
             else:
-                # 默认读取线程
+                # 其他类型使用通用处理
                 thread = threading.Thread(target=self._read_thread, args=(port_name,))
-                thread.daemon = True
-                thread.start()
-                self.read_threads[port_name] = thread
+                
+            thread.daemon = True
+            thread.start()
+            self.read_threads[port_name] = thread
             
-            logging.info(f"串口 {port_name} ({port_type}) 已打开，波特率={baud_rate}")
             return True
-            
+        
         except Exception as e:
-            logging.error(f"打开串口 {port_name} 失败: {str(e)}")
-            if port_name in self.serial_ports: # 清理，以防部分成功
-                del self.serial_ports[port_name]
-            logging.info(f"打开 {port_name} 失败后, 当前活跃端口: {list(self.serial_ports.keys())}")
-            return False
+            logging.error(f"打开串口失败: {port_name}, 错误: {e}")
+            # 确保清理好资源
+            if port_name in self.serial_ports:
+                try:
+                    self.serial_ports[port_name].close()
+                except:
+                    pass
+                self.serial_ports.pop(port_name, None)
             
+            # 停止相关线程
+            self.running_flags[port_name] = False
+            if port_name in self.read_threads:
+                self.read_threads.pop(port_name, None)
+                
+            return False
+    
     def close_port(self, port_name: str) -> bool:
         """
         关闭串口
@@ -351,6 +372,35 @@ class SerialManager:
             logging.error(f"向串口 {port_name} 写入数据失败: {str(e)}")
             return False
     
+    def read_data(self, port_name: str, size: int = None) -> bytes:
+        """
+        从串口读取数据
+        
+        Args:
+            port_name: 串口名称
+            size: 要读取的字节数，如果为None则读取所有可用数据
+            
+        Returns:
+            读取的数据，如果失败则返回空字节
+        """
+        try:
+            if not self.is_port_open(port_name):
+                logging.error(f"尝试从未打开的串口 {port_name} 读取数据")
+                return b''
+                
+            if size is None:
+                # 读取所有可用数据
+                if self.serial_ports[port_name].in_waiting > 0:
+                    return self.serial_ports[port_name].read(self.serial_ports[port_name].in_waiting)
+                return b''
+            else:
+                # 读取指定数量的字节
+                return self.serial_ports[port_name].read(size)
+                
+        except Exception as e:
+            logging.error(f"从串口 {port_name} 读取数据失败: {str(e)}")
+            return b''
+    
     def _read_thread(self, port_name: str):
         """
         串口读取线程
@@ -534,7 +584,7 @@ class SerialManager:
                     return
             
             # 构建数据字符串
-            data_str = f"mdz:{self.data['mdz']}|cz:{self.data['cz']}|"
+            data_str = f"mdz:{self.data['mdz']}|cz:{self.data['cz']}|scanner:{self.data['scanner']}|"
             
             # 确保目录存在
             data_dir = os.path.dirname(self.data_file)
@@ -792,7 +842,7 @@ class SerialManager:
         """通知所有相关回调函数"""
         try:
             # 端口特定回调 (通常用于原始串口数据)
-            if port_name in self.callbacks and port_name not in ['mdz_data', 'xj_data']: # 避免重复处理
+            if port_name in self.callbacks and port_name not in ['mdz_data', 'xj_data', 'scanner_data']: # 避免重复处理
                 try:
                     # 假设这种回调期望原始的 value (可能是字节串，也可能是其他类型)
                     self.callbacks[port_name](port_name, value)
@@ -874,6 +924,37 @@ class SerialManager:
                 else:
                     logging.warning(f"回调失败: xj_data 中实际值为None. 初始 value: {value}")
 
+            # 全局回调, 特别处理 'scanner_data'
+            if 'scanner_data' in self.callbacks and port_name == 'scanner_data':
+                actual_scanner_value = None
+                source_info = "unknown"
+
+                if isinstance(value, dict):
+                    actual_scanner_value = value.get('value')
+                    source_info = value.get('source', source_info)
+                elif isinstance(value, (str, bytes)):
+                    if isinstance(value, bytes):
+                        try:
+                            actual_scanner_value = value.decode('utf-8').strip()
+                        except:
+                            actual_scanner_value = str(value)
+                    else:
+                        actual_scanner_value = value
+
+                if actual_scanner_value is not None:
+                    callback_data_str = f"扫码数据: {actual_scanner_value}"
+                    try:
+                        triggering_port = port_name if port_name not in ['scanner_data', 'scanner'] else self.scanner_config.get('ser', 'N/A') if self.scanner_config else 'N/A'
+                        if source_info.startswith("mock"):
+                            triggering_port = f"mock_{port_name}"
+                        
+                        self.callbacks['scanner_data'](triggering_port, callback_data_str.encode('utf-8'))
+                        logging.info(f"通知 'scanner_data' 回调. 值: {actual_scanner_value}, 源: {source_info}, 触发源端口: {triggering_port}")
+                    except Exception as e:
+                        logging.error(f"调用全局回调 'scanner_data' 失败: {e}", exc_info=True)
+                else:
+                    logging.warning(f"回调失败: scanner_data 中实际值为None. 初始 value: {value}")
+
         except Exception as e:
             logging.error(f"通知回调失败: {e}", exc_info=True) 
 
@@ -893,14 +974,15 @@ class SerialManager:
         os_type = platform.system()
         if os_type == "Darwin" and (
             (self.mdz_config and 'ser' in self.mdz_config and self.mdz_config['ser'] and self.mdz_config['ser'].startswith('COM')) or
-            (self.cz_config and 'ser' in self.cz_config and self.cz_config['ser'] and self.cz_config['ser'].startswith('COM'))
+            (self.cz_config and 'ser' in self.cz_config and self.cz_config['ser'] and self.cz_config['ser'].startswith('COM')) or
+            (self.scanner_config and 'ser' in self.scanner_config and self.scanner_config['ser'] and self.scanner_config['ser'].startswith('COM'))
         ):
             logging.warning("检测到在macOS系统上配置了Windows格式的COM端口，这些端口将无法正常打开")
             logging.warning("macOS上的串口通常是/dev/tty.*或/dev/cu.*格式")
             # 继续尝试打开，但不影响程序流程
         
         # 尝试打开线径串口
-        if self.cz_config and 'ser' in self.cz_config and self.cz_config['ser']:
+        if self.cz_config and 'ser' in self.cz_config and self.cz_config['ser'] and self.cz_config['ser'].strip():
             port_name = self.cz_config['ser']
             baud_rate = self.cz_config.get('port', 2400)
             
@@ -917,10 +999,10 @@ class SerialManager:
             else:
                 logging.info(f"线径串口 {port_name} 已经打开，无需重新打开")
         else:
-            logging.warning("线径串口未配置，跳过自动打开")
+            logging.warning("线径串口未配置或设置为不使用，跳过自动打开")
             
         # 尝试打开米电阻串口
-        if self.mdz_config and 'ser' in self.mdz_config and self.mdz_config['ser']:
+        if self.mdz_config and 'ser' in self.mdz_config and self.mdz_config['ser'] and self.mdz_config['ser'].strip():
             port_name = self.mdz_config['ser']
             baud_rate = self.mdz_config.get('port', 9600)
             
@@ -937,7 +1019,27 @@ class SerialManager:
             else:
                 logging.info(f"米电阻串口 {port_name} 已经打开，无需重新打开")
         else:
-            logging.warning("米电阻串口未配置，跳过自动打开")
+            logging.warning("米电阻串口未配置或设置为不使用，跳过自动打开")
+            
+        # 尝试打开扫码器串口
+        if self.scanner_config and 'ser' in self.scanner_config and self.scanner_config['ser'] and self.scanner_config['ser'].strip():
+            port_name = self.scanner_config['ser']
+            baud_rate = self.scanner_config.get('port', 9600)
+            
+            if not self.is_port_open(port_name):
+                try:
+                    if self.open_port(port_name, 'scanner', baud_rate):
+                        logging.info(f"自动打开扫码器串口 {port_name} 成功")
+                    else:
+                        logging.error(f"自动打开扫码器串口 {port_name} 失败")
+                        success = False
+                except Exception as e:
+                    logging.error(f"自动打开扫码器串口 {port_name} 时发生异常: {e}")
+                    success = False
+            else:
+                logging.info(f"扫码器串口 {port_name} 已经打开，无需重新打开")
+        else:
+            logging.warning("扫码器串口未配置或设置为不使用，跳过自动打开")
             
         # 注意：不在这里启动键盘监听器，而是在MainWindow的handle_start方法中显式调用start_keyboard_listener
         
@@ -1022,4 +1124,74 @@ class SerialManager:
             return False
         except Exception as e:
             logging.error(f"处理线径数据总体异常: {e}")
+            return False
+
+    def _read_scanner_thread(self, port_name: str):
+        """
+        扫码器串口读取线程
+        
+        Args:
+            port_name: 串口名称
+        """
+        try:
+            while self.running_flags.get(port_name, False):
+                if not self.is_port_open(port_name):
+                    time.sleep(0.1)
+                    continue
+                
+                # 检查是否有数据可读
+                if self.serial_ports[port_name].in_waiting > 0:
+                    response = self.serial_ports[port_name].read(self.serial_ports[port_name].in_waiting)
+                    self._process_scanner_response(port_name, response)
+                
+                time.sleep(0.1)
+                
+        except Exception as e:
+            logging.error(f"扫码器串口 {port_name} 读取线程异常: {e}")
+            
+    def _process_scanner_response(self, port_name, response_bytes: bytes):
+        """处理扫码器响应数据"""
+        try:
+            if response_bytes:  # 确保有响应数据
+                try:
+                    # 尝试解码为字符串
+                    scanner_value = response_bytes.decode('utf-8').strip()
+                    
+                    # 记录日志
+                    logging.info(f"[{port_name}] 扫码数据: {scanner_value}")
+                    
+                    # 更新数据
+                    self.data['scanner'] = scanner_value
+                    
+                    # 写入文件并通知回调
+                    self._write_data_to_file()
+                    # 使用"扫码数据: xxx"格式通知回调
+                    callback_data = f"扫码数据: {scanner_value}".encode('utf-8')
+                    if 'scanner_data' in self.callbacks:
+                        self.callbacks['scanner_data'](port_name, callback_data)
+                    return True
+                except Exception as e:
+                    logging.error(f"处理扫码数据异常: {e}")
+                    # 解码失败，尝试直接使用字节数据
+                    # 记录日志（十六进制字符串）
+                    hex_str = ' '.join(f'{b:02X}' for b in response_bytes)
+                    logging.warning(f"[{port_name}] 扫码数据(十六进制): {hex_str}")
+                    
+                    # 更新数据（使用十六进制字符串）
+                    self.data['scanner'] = hex_str
+                    
+                    # 写入文件并通知回调
+                    self._write_data_to_file()
+                    # 使用"扫码数据: xxx"格式通知回调
+                    callback_data = f"扫码数据: {hex_str}".encode('utf-8')
+                    if 'scanner_data' in self.callbacks:
+                        self.callbacks['scanner_data'](port_name, callback_data)
+                    return True
+            else:
+                logging.warning("扫码响应数据为空")
+            
+            # 如果无法解析，则直接返回失败
+            return False
+        except Exception as e:
+            logging.error(f"处理扫码数据总体异常: {e}")
             return False 
\ No newline at end of file
diff --git a/widgets/main_window.py b/widgets/main_window.py
index 848452b..36caf7b 100644
--- a/widgets/main_window.py
+++ b/widgets/main_window.py
@@ -205,6 +205,10 @@ class MainWindow(MainWindowUI):
         
         # 加载托盘号列表
         self.load_pallet_codes()
+        
+        # 恢复开始按钮原始样式
+        self.restore_start_button_style()
+    
     def get_axios_num(self,tray_id):
         """获取托盘号对应的轴号"""
         from dao.inspection_dao import InspectionDAO
@@ -369,10 +373,13 @@ class MainWindow(MainWindowUI):
         # 更新串口管理器配置
         self.serial_manager.reload_config()
         
+        # 重新打开已配置的串口
+        self.serial_manager.auto_open_configured_ports()
+        
         # 重新加载托盘号
         self.load_pallet_codes()
         
-        logging.info("设置已更新，重新加载配置")
+        logging.info("设置已更新，重新加载配置并重新打开串口")
     
     def handle_input(self):
         """处理上料按钮点击事件"""
@@ -508,6 +515,49 @@ class MainWindow(MainWindowUI):
             logging.error(f"处理下料操作失败: {str(e)}")
             QMessageBox.critical(self, "错误", f"处理下料操作失败: {str(e)}")
 
+    def restore_start_button_style(self):
+        """恢复开始按钮的原始样式"""
+        try:
+            self.start_button.setStyleSheet("""
+                QPushButton {
+                    background-color: transparent;
+                    color: black;
+                    border: 1px solid #4caf50;
+                    border-radius: 4px;
+                    padding: 2px 10px;
+                    min-height: 29px;
+                    max-height: 29px;
+                }
+                QPushButton:hover {
+                    background-color: #f0f0f0;
+                }
+            """)
+        except Exception as e:
+            logging.error(f"{str(e)}")
+    
+    def fill_start_button_style(self):
+        """填充开始按钮样式 - 绿色背景，白色字体"""
+        try:
+            # 填充按钮样式 - 绿色背景，白色字体，高度与下料按钮一致
+            self.start_button.setStyleSheet("""
+                QPushButton {
+                    background-color: #4caf50;
+                    color: white;
+                    border: 1px solid #4caf50;
+                    border-radius: 4px;
+                    padding: 2px 10px;
+                    min-height: 24px;
+                    max-height: 24px;
+                }
+                QPushButton:hover {
+                    background-color: #4caf50;
+                    color: white;
+                }
+            """)
+            logging.info("已填充开始按钮样式")
+        except Exception as e:
+            logging.error(f"填充开始按钮样式失败: {str(e)}")
+    
     def handle_start(self):
         """
         处理开始按钮点击事件
@@ -522,11 +572,14 @@ class MainWindow(MainWindowUI):
             if self._current_unload_info and self._current_unload_num > 0:
                 # 下料模式 - 开始下料操作
                 # 确保寄存器3(下料启动)设为1，寄存器4已在handle_output中设置了当前层数
+                success2 = modbus.write_register_until_success(client, 2, 1)
                 success3 = modbus.write_register_until_success(client, 3, 1)
                 
-                if success3:
+                if success2 and success3:
                     logging.info(f"开始下料操作：当前层数 {self._current_unload_num}/{self._total_unload_num}")
                     QMessageBox.information(self, "操作提示", f"开始下料操作：当前第{self._current_unload_num}层")
+                    # 填充按钮样式
+                    self.fill_start_button_style()
                 else:
                     QMessageBox.warning(self, "错误", "开始下料操作失败")
             else:
@@ -538,8 +591,11 @@ class MainWindow(MainWindowUI):
                 if success0 and success2:
                     self._is_loading_active = True  # 标记上料任务已开始
                     logging.info(f"开始上料操作：当前层数 {self._current_stow_num}")
+                    # 填充按钮样式
+                    self.fill_start_button_style()
                 else:
                     QMessageBox.warning(self, "错误", "开始上料操作失败")
+            
         except Exception as e:
             logging.error(f"开始操作失败: {str(e)}")
             QMessageBox.critical(self, "错误", f"开始操作失败: {str(e)}")
@@ -559,6 +615,8 @@ class MainWindow(MainWindowUI):
                 if success3:
                     logging.info(f"停止下料操作：当前层数 {self._current_unload_num}/{self._total_unload_num}")
                     QMessageBox.information(self, "操作提示", "已停止下料操作")
+                    # 恢复按钮原始样式
+                    self.restore_start_button_style()
                 else:
                     QMessageBox.warning(self, "错误", "停止下料操作失败")
             else:
@@ -569,8 +627,11 @@ class MainWindow(MainWindowUI):
                     self._is_loading_active = False # 标记上料任务已停止
                     logging.info("停止上料操作")
                     QMessageBox.information(self, "操作提示", "已停止上料操作")
+                    # 恢复按钮原始样式
+                    self.restore_start_button_style()
                 else:
                     QMessageBox.warning(self, "错误", "停止上料操作失败")
+            
         except Exception as e:
             logging.error(f"停止操作失败: {str(e)}")
             QMessageBox.critical(self, "错误", f"停止操作失败: {str(e)}")
@@ -1943,34 +2004,45 @@ class MainWindow(MainWindowUI):
     def handle_register_change(self, address, value):
         """处理寄存器变化"""
         logging.info(f"[处理] 寄存器D{address}变化: {value}")
-        # 在这里可以添加通用寄存器变化处理逻辑
-        pass
-        
+        # 这里可以添加通用寄存器变化处理逻辑
+    
     @Slot(int, str)
     def handle_loading_feedback(self, status, desc):
         """处理上料信息反馈"""
-        message = desc  # Default message
-        if status == 1:
-            modbus = ModbusUtils()
-            client = modbus.get_client()
-            # 睡 0.5 秒，用于延缓modbus 监听
-            time.sleep(0.5)
-            modbus.write_register_until_success(client, 2, 0)
+        message = desc
+        try:
+            if status == 1:
+                modbus = ModbusUtils()
+                client = modbus.get_client()
+                # 睡 0.5 秒，用于延缓modbus 监听
+                time.sleep(0.5)
+                modbus.write_register_until_success(client, 2, 0) 
+                if self._current_stow_num > 0:
+                    completed_layer_num = self._current_stow_num
+                    self._current_stow_num -= 1
+                    if self._current_stow_num == 0:
+                        self._is_loading_active = False # 任务完成，标记为非活动
+                        self._loading_info = None
+                        logging.info("所有层拆垛完成，清空上料信息")
+                        message = f"第 {completed_layer_num} 层(最后一层)拆垛完成！"
+                        # 重置寄存器 0 和 2 为 0 
+                        modbus.write_register_until_success(client, 0, 0)
+                        modbus.write_register_until_success(client, 2, 0)
+                        self.loading_feedback_signal.emit("input", message)
+                        # 恢复开始按钮原始样式
+                        self.restore_start_button_style()
+                    else:
+                        logging.info(f"当前层拆垛完成，剩余层数: {self._current_stow_num}")
+                        message = f"第 {completed_layer_num} 层拆垛完成。"
+                        self.loading_feedback_signal.emit("input", message)
+                        #通知寄存器，进行第几层拆垛
+                        modbus.write_register_until_success(client,0 ,self._current_stow_num)
+        except Exception as e:
+            logging.error(f"处理上料信息反馈失败: {str(e)}")
+            # 不在这里显示对话框，而是通过信号传递错误信息
+            self.loading_feedback_signal.emit("error", f"处理上料信息反馈失败: {str(e)}")
+        finally:
             modbus.close_client(client)
-            
-            if self._current_stow_num > 0:
-                completed_layer_num = self._current_stow_num
-                self._current_stow_num -= 1
-                if self._current_stow_num == 0:
-                    self._is_loading_active = False # 任务完成，标记为非活动
-                    self._loading_info = None
-                    logging.info("所有层拆垛完成，清空上料信息")
-                    message = f"第 {completed_layer_num} 层(最后一层)拆垛完成！"
-                else:
-                    logging.info(f"当前层拆垛完成，剩余层数: {self._current_stow_num}")
-                    message = f"第 {completed_layer_num} 层拆垛完成。"
-        
-        self.loading_feedback_signal.emit("input", message)
 
     def _handle_loading_feedback_ui(self, status_type, desc):
         """在主线程中处理上料UI更新"""
@@ -1996,6 +2068,8 @@ class MainWindow(MainWindowUI):
             client = modbus.get_client()
             
             try:
+                # 睡 0.5 秒，用于延缓modbus 监听
+                time.sleep(0.5)
                 # 临时重置寄存器3(下料启动)为0，等待用户下一次启动
                 modbus.write_register_until_success(client, 3, 0)
                 
@@ -2013,6 +2087,9 @@ class MainWindow(MainWindowUI):
                     # 通过信号触发UI更新 - 显示前一层完成的消息
                     message = f"第{self._current_unload_num-1}层下料完成，请启动第{self._current_unload_num}层下料"
                     self.unloading_feedback_signal.emit("output", message)
+                    
+                    # 恢复开始按钮原始样式
+                    self.restore_start_button_style()
                 else:
                     # 所有层都下料完成，重置寄存器和计数器
                     modbus.write_register_until_success(client, 3, 0)  # 确保下料启动寄存器为0
@@ -2034,6 +2111,9 @@ class MainWindow(MainWindowUI):
                     # 通过信号触发UI更新，而不是直接操作UI
                     message = f"托盘 {tray_code} 的所有 {total_tier} 层下料已全部完成"
                     self.unloading_feedback_signal.emit("output", message)
+                    
+                    # 恢复开始按钮原始样式
+                    self.restore_start_button_style()
             except Exception as e:
                 logging.error(f"处理下料反馈时发生错误: {str(e)}")
                 # 不在这里显示对话框，而是通过信号传递错误信息
@@ -2292,6 +2372,9 @@ class MainWindow(MainWindowUI):
             # 注册线径数据回调
             self.serial_manager.callbacks['xj_data'] = self.on_diameter_data_received
             
+            # 注册扫码器数据回调
+            self.serial_manager.callbacks['scanner_data'] = self.on_scanner_data_received
+            
             # 自动打开已配置的串口
             self.serial_manager.auto_open_configured_ports()
             
@@ -2402,6 +2485,33 @@ class MainWindow(MainWindowUI):
         except Exception as e:
             logging.error(f"处理线径数据失败: {str(e)}")
 
+    def on_scanner_data_received(self, port_name, data):
+        """扫码器数据接收回调函数
+        
+        Args:
+            port_name: 串口名称
+            data: 接收到的数据
+        """
+        try:
+            # 解析数据
+            data_str = data.decode('utf-8') if isinstance(data, bytes) else str(data)
+            logging.info(f"收到扫码器数据: {data_str} 来自 {port_name}")
+            
+            # 提取扫码数据，格式为"扫码数据: xxx"
+            if "扫码数据:" in data_str:
+                gc_note = data_str.split("扫码数据:")[1].strip()
+                logging.info(f"提取到工程号: {gc_note}")
+                
+                # 设置工程号到输入框
+                self.order_edit.setText(gc_note)
+                
+                # 模拟按下回车键，触发handle_order_enter方法
+                self.handle_order_enter()
+            else:
+                logging.warning(f"收到的数据不包含扫码数据标记: {data_str}")
+        except Exception as e:
+            logging.error(f"处理扫码器数据失败: {str(e)}")
+
     def set_inspection_value(self, data_type, config, value):
         """设置检验项目值到表格中
         
diff --git a/widgets/serial_settings_widget.py b/widgets/serial_settings_widget.py
index c9cbd9e..5e5f632 100644
--- a/widgets/serial_settings_widget.py
+++ b/widgets/serial_settings_widget.py
@@ -32,6 +32,10 @@ class SerialSettingsWidget(SerialSettingsUI):
         self.xj_refresh_btn.clicked.connect(self.refresh_ports)
         self.test_xj_btn.clicked.connect(self.test_xj_port)
         
+        # 扫码器串口
+        self.scanner_refresh_btn.clicked.connect(self.refresh_ports)
+        self.test_scanner_btn.clicked.connect(self.test_scanner_port)
+        
         # 保存按钮
         self.save_btn.clicked.connect(self.save_settings)
         
@@ -46,9 +50,18 @@ class SerialSettingsWidget(SerialSettingsUI):
         try:
             # 保存当前选择
             current_mdz_port = self.mdz_port_combo.currentData()
+            current_xj_port = self.xj_port_combo.currentData()
+            current_scanner_port = self.scanner_port_combo.currentData()
             
             # 清空列表
             self.mdz_port_combo.clear()
+            self.xj_port_combo.clear()
+            self.scanner_port_combo.clear()
+            
+            # 添加"不使用"选项
+            self.mdz_port_combo.addItem("不使用", "")
+            self.xj_port_combo.addItem("不使用", "")
+            self.scanner_port_combo.addItem("不使用", "")
             
             # 获取可用串口
             ports = list(serial.tools.list_ports.comports())
@@ -56,16 +69,41 @@ class SerialSettingsWidget(SerialSettingsUI):
             for port in ports:
                 port_name = port.device
                 port_desc = f"{port_name} ({port.description})"
+                
+                # 添加到米电阻下拉框
                 self.mdz_port_combo.addItem(port_desc, port_name)
+                
+                # 添加到线径下拉框
+                self.xj_port_combo.addItem(port_desc, port_name)
+                
+                # 添加到扫码器下拉框
+                self.scanner_port_combo.addItem(port_desc, port_name)
             
             # 恢复之前的选择
             if current_mdz_port:
                 index = self.mdz_port_combo.findData(current_mdz_port)
                 if index >= 0:
                     self.mdz_port_combo.setCurrentIndex(index)
+            else:
+                # 如果之前没有选择，则设为"不使用"
+                self.mdz_port_combo.setCurrentIndex(0)
+            
+            if current_xj_port:
+                index = self.xj_port_combo.findData(current_xj_port)
+                if index >= 0:
+                    self.xj_port_combo.setCurrentIndex(index)
+            else:
+                # 如果之前没有选择，则设为"不使用"
+                self.xj_port_combo.setCurrentIndex(0)
+            
+            if current_scanner_port:
+                index = self.scanner_port_combo.findData(current_scanner_port)
+                if index >= 0:
+                    self.scanner_port_combo.setCurrentIndex(index)
+            else:
+                # 如果之前没有选择，则设为"不使用"
+                self.scanner_port_combo.setCurrentIndex(0)
             
-          
-                    
             logging.info(f"已刷新串口列表，找到 {len(ports)} 个串口")
         except Exception as e:
             logging.error(f"刷新串口列表失败: {e}")
@@ -155,6 +193,39 @@ class SerialSettingsWidget(SerialSettingsUI):
                 if index >= 0:
                     self.xj_parity_combo.setCurrentIndex(index)
             
+            # 加载扫码器设置
+            scanner_config = self.config.get_config('scanner')
+            if scanner_config:
+                # 设置串口
+                scanner_port = scanner_config.get('ser', '')
+                index = self.scanner_port_combo.findData(scanner_port)
+                if index >= 0:
+                    self.scanner_port_combo.setCurrentIndex(index)
+                
+                # 设置波特率
+                scanner_baud = str(scanner_config.get('port', '9600'))
+                index = self.scanner_baud_combo.findText(scanner_baud)
+                if index >= 0:
+                    self.scanner_baud_combo.setCurrentIndex(index)
+                
+                # 设置数据位
+                scanner_data_bits = str(scanner_config.get('data_bits', '8'))
+                index = self.scanner_data_bits_combo.findText(scanner_data_bits)
+                if index >= 0:
+                    self.scanner_data_bits_combo.setCurrentIndex(index)
+                
+                # 设置停止位
+                scanner_stop_bits = str(scanner_config.get('stop_bits', '1'))
+                index = self.scanner_stop_bits_combo.findText(scanner_stop_bits)
+                if index >= 0:
+                    self.scanner_stop_bits_combo.setCurrentIndex(index)
+                
+                # 设置校验位
+                scanner_parity = scanner_config.get('parity', 'N')
+                index = self.scanner_parity_combo.findData(scanner_parity)
+                if index >= 0:
+                    self.scanner_parity_combo.setCurrentIndex(index)
+            
             logging.info("已加载串口设置")
         except Exception as e:
             logging.error(f"加载串口设置失败: {e}")
@@ -180,7 +251,6 @@ class SerialSettingsWidget(SerialSettingsUI):
             mdz_query_interval = self.mdz_query_interval.value()
             
             mdz_config = {
-                'ser': mdz_port,
                 'port': mdz_baud,
                 'data_bits': mdz_data_bits,
                 'stop_bits': mdz_stop_bits,
@@ -189,6 +259,10 @@ class SerialSettingsWidget(SerialSettingsUI):
                 'query_interval': mdz_query_interval
             }
             
+            # 只有当用户选择了串口时才保存串口配置
+            if mdz_port:
+                mdz_config['ser'] = mdz_port
+            
             self.config.set_config('mdz', mdz_config)
             
             # 保存线径设置
@@ -199,17 +273,37 @@ class SerialSettingsWidget(SerialSettingsUI):
             xj_parity = self.xj_parity_combo.currentData()
             
             xj_config = {
-                'ser': xj_port,
                 'port': xj_baud,
                 'data_bits': xj_data_bits,
                 'stop_bits': xj_stop_bits,
                 'parity': xj_parity
             }
             
+            # 只有当用户选择了串口时才保存串口配置
+            if xj_port:
+                xj_config['ser'] = xj_port
+            
             self.config.set_config('xj', xj_config)
             
-         
+            # 保存扫码器设置
+            scanner_port = self.scanner_port_combo.currentData()
+            scanner_baud = int(self.scanner_baud_combo.currentText())
+            scanner_data_bits = int(self.scanner_data_bits_combo.currentText())
+            scanner_stop_bits = float(self.scanner_stop_bits_combo.currentText())
+            scanner_parity = self.scanner_parity_combo.currentData()
             
+            scanner_config = {
+                'port': scanner_baud,
+                'data_bits': scanner_data_bits,
+                'stop_bits': scanner_stop_bits,
+                'parity': scanner_parity
+            }
+            
+            # 只有当用户选择了串口时才保存串口配置
+            if scanner_port:
+                scanner_config['ser'] = scanner_port
+            
+            self.config.set_config('scanner', scanner_config)
             
             # 发送设置变更信号
             self.settings_changed.emit()
@@ -224,15 +318,16 @@ class SerialSettingsWidget(SerialSettingsUI):
         """测试米电阻串口"""
         try:
             port = self.mdz_port_combo.currentData()
+            
+            if not port:
+                QMessageBox.warning(self, "测试失败", "请先选择串口，当前设置为\"不使用\"")
+                return
+                
             baud = int(self.mdz_baud_combo.currentText())
             data_bits = int(self.mdz_data_bits_combo.currentText())
             stop_bits = float(self.mdz_stop_bits_combo.currentText())
             parity = self.mdz_parity_combo.currentData()
             
-            if not port:
-                QMessageBox.warning(self, "测试失败", "请选择串口")
-                return
-            
             # 关闭可能已经打开的串口
             if self.serial_manager.is_port_open(port):
                 self.serial_manager.close_port(port)
@@ -248,44 +343,46 @@ class SerialSettingsWidget(SerialSettingsUI):
                 if query_cmd:
                     try:
                         # 转换查询指令为字节
-                        query_bytes = bytes.fromhex(query_cmd.replace(' ', ''))
+                        cmd_bytes = bytes.fromhex(query_cmd.replace(' ', ''))
+                        self.serial_manager.write_data(port, cmd_bytes)
+                        time.sleep(0.1)  # 等待响应
                         
-                        # 发送查询指令
-                        self.serial_manager.write_data(port, query_bytes)
-                        
-                        # 等待一段时间
-                        time.sleep(0.5)
-                        
-                        # 关闭串口
-                        self.serial_manager.close_port(port)
-                        
-                        QMessageBox.information(self, "测试成功", f"米电阻串口 {port} 测试成功，已发送查询指令")
+                        # 读取响应
+                        response = self.serial_manager.read_data(port)
+                        if response:
+                            # 将字节转换为十六进制字符串
+                            hex_str = ' '.join(f'{b:02X}' for b in response)
+                            QMessageBox.information(self, "测试成功", f"串口打开成功，收到响应:\n{hex_str}")
+                        else:
+                            QMessageBox.information(self, "测试成功", "串口打开成功，但未收到响应")
                     except Exception as e:
-                        self.serial_manager.close_port(port)
-                        QMessageBox.warning(self, "测试失败", f"发送查询指令失败: {e}")
+                        QMessageBox.warning(self, "测试结果", f"串口打开成功，但发送指令失败: {e}")
                 else:
-                    self.serial_manager.close_port(port)
-                    QMessageBox.information(self, "测试成功", f"米电阻串口 {port} 打开成功，但未发送查询指令")
+                    QMessageBox.information(self, "测试成功", "串口打开成功")
+                
+                # 关闭串口
+                self.serial_manager.close_port(port)
             else:
-                QMessageBox.warning(self, "测试失败", f"无法打开米电阻串口 {port}")
+                QMessageBox.critical(self, "测试失败", f"无法打开串口 {port}")
+        
         except Exception as e:
             logging.error(f"测试米电阻串口失败: {e}")
-            QMessageBox.warning(self, "测试失败", f"测试米电阻串口失败: {e}")
-    
+            QMessageBox.critical(self, "测试失败", f"测试米电阻串口失败: {e}")
     
     def test_xj_port(self):
         """测试线径串口"""
         try:
             port = self.xj_port_combo.currentData()
+            
+            if not port:
+                QMessageBox.warning(self, "测试失败", "请先选择串口，当前设置为\"不使用\"")
+                return
+                
             baud = int(self.xj_baud_combo.currentText())
             data_bits = int(self.xj_data_bits_combo.currentText())
             stop_bits = float(self.xj_stop_bits_combo.currentText())
             parity = self.xj_parity_combo.currentData()
             
-            if not port:
-                QMessageBox.warning(self, "测试失败", "请选择串口")
-                return
-            
             # 关闭可能已经打开的串口
             if self.serial_manager.is_port_open(port):
                 self.serial_manager.close_port(port)
@@ -296,15 +393,68 @@ class SerialSettingsWidget(SerialSettingsUI):
             )
             
             if success:
-                # 等待一段时间
-                time.sleep(2)
+                QMessageBox.information(self, "测试成功", f"串口 {port} 打开成功")
                 
                 # 关闭串口
                 self.serial_manager.close_port(port)
-                
-                QMessageBox.information(self, "测试成功", f"线径串口 {port} 测试成功")
             else:
-                QMessageBox.warning(self, "测试失败", f"无法打开线径串口 {port}")
+                QMessageBox.critical(self, "测试失败", f"无法打开串口 {port}")
+        
         except Exception as e:
             logging.error(f"测试线径串口失败: {e}")
-            QMessageBox.warning(self, "测试失败", f"测试线径串口失败: {e}") 
\ No newline at end of file
+            QMessageBox.critical(self, "测试失败", f"测试线径串口失败: {e}")
+            
+    def test_scanner_port(self):
+        """测试扫码器串口"""
+        try:
+            port = self.scanner_port_combo.currentData()
+            
+            if not port:
+                QMessageBox.warning(self, "测试失败", "请先选择串口，当前设置为\"不使用\"")
+                return
+                
+            baud = int(self.scanner_baud_combo.currentText())
+            data_bits = int(self.scanner_data_bits_combo.currentText())
+            stop_bits = float(self.scanner_stop_bits_combo.currentText())
+            parity = self.scanner_parity_combo.currentData()
+            
+            # 关闭可能已经打开的串口
+            if self.serial_manager.is_port_open(port):
+                self.serial_manager.close_port(port)
+            
+            # 尝试打开串口
+            success = self.serial_manager.open_port(
+                port, 'scanner', baud, data_bits, stop_bits, parity, 1.0
+            )
+            
+            if success:
+                QMessageBox.information(self, "测试成功", f"串口 {port} 打开成功\n请触发扫码器进行扫描测试")
+                
+                # 尝试读取数据（短暂等待扫码器输入）
+                start_time = time.time()
+                timeout = 5.0  # 5秒超时
+                
+                while time.time() - start_time < timeout:
+                    response = self.serial_manager.read_data(port)
+                    if response:
+                        # 尝试将字节解码为字符串
+                        try:
+                            text = response.decode('utf-8').strip()
+                            QMessageBox.information(self, "测试成功", f"收到扫码数据:\n{text}")
+                            break
+                        except:
+                            # 如果解码失败，显示十六进制
+                            hex_str = ' '.join(f'{b:02X}' for b in response)
+                            QMessageBox.information(self, "测试成功", f"收到扫码数据 (十六进制):\n{hex_str}")
+                            break
+                    
+                    time.sleep(0.1)  # 短暂休眠，减少CPU占用
+                
+                # 关闭串口
+                self.serial_manager.close_port(port)
+            else:
+                QMessageBox.critical(self, "测试失败", f"无法打开串口 {port}")
+        
+        except Exception as e:
+            logging.error(f"测试扫码器串口失败: {e}")
+            QMessageBox.critical(self, "测试失败", f"测试扫码器串口失败: {e}") 
\ No newline at end of file
diff --git a/widgets/settings_widget.py b/widgets/settings_widget.py
index 6d00ee4..640dd8c 100644
--- a/widgets/settings_widget.py
+++ b/widgets/settings_widget.py
@@ -85,28 +85,28 @@ class SettingsWidget(SettingsUI):
         self.pallet_type_settings = PalletTypeSettingsWidget(self)
         self.plc_settings = PLCSettingsWidget(self)
         
-        # 创建电量监控设置组件
+        # 创建电力监控设置组件
         try:
             self.electricity_settings = ElectricitySettingsUI(self)
-            logging.info("电量监控设置组件创建成功")
+            logging.info("电力监控设置组件创建成功")
             
-            # 移除临时占位符标签并添加电量监控设置部件
+            # 移除临时占位符标签并添加电力监控设置部件
             if hasattr(self, 'electricity_placeholder'):
-                logging.info("移除电量监控临时占位符")
+                logging.info("移除电力监控临时占位符")
                 self.electricity_layout.removeWidget(self.electricity_placeholder)
                 self.electricity_placeholder.hide()
                 self.electricity_placeholder.deleteLater()
             else:
-                logging.warning("未找到电量监控临时占位符标签")
+                logging.warning("未找到电力监控临时占位符标签")
             
             # 检查布局是否可用
             if hasattr(self, 'electricity_layout'):
-                logging.info("添加电量监控设置部件到布局")
+                logging.info("添加电力监控设置部件到布局")
                 self.electricity_layout.addWidget(self.electricity_settings)
             else:
                 logging.error("无法找到electricity_layout布局")
         except Exception as e:
-            logging.error(f"初始化电量监控设置组件失败: {e}")
+            logging.error(f"初始化电力监控设置组件失败: {e}")
         
         # 移除临时占位符标签并添加检验设置部件
         if hasattr(self, 'inspection_placeholder'):
@@ -172,13 +172,13 @@ class SettingsWidget(SettingsUI):
         self.pallet_type_settings.settings_changed.connect(self.on_settings_changed)
         self.plc_settings.settings_changed.connect(self.on_settings_changed)
         
-        # 连接电量监控设置信号
+        # 连接电力监控设置信号
         if hasattr(self, 'electricity_settings'):
             try:
                 self.electricity_settings.settings_changed.connect(self.on_settings_changed)
-                logging.info("已连接电量监控设置信号")
+                logging.info("已连接电力监控设置信号")
             except Exception as e:
-                logging.error(f"连接电量监控设置信号时出错: {e}")
+                logging.error(f"连接电力监控设置信号时出错: {e}")
         
         # 不再在这里连接刷新按钮，避免重复连接
         logging.info("刷新按钮已在初始化时连接，不再重复连接")
diff --git a/widgets/settings_window.py b/widgets/settings_window.py
index 7e70ee6..7d8e5b7 100644
--- a/widgets/settings_window.py
+++ b/widgets/settings_window.py
@@ -28,54 +28,23 @@ class SettingsWindow(QDialog):
         self.settings_widget = SettingsWidget(self)
         main_layout.addWidget(self.settings_widget)
         
+        # 添加串口设置到标签页
+        self.serial_settings = SerialSettingsWidget(self)
+        self.settings_widget.tab_widget.addTab(self.serial_settings, "串口设置")
+        
         # 应用相机刷新按钮修复
-        try:
-            # 先尝试直接找到刷新按钮并添加事件处理
-            logging.info("尝试直接查找刷新按钮并添加事件处理...")
-            from PySide6.QtWidgets import QPushButton
-            
-            # 在整个UI层次中查找刷新设备按钮
-            refresh_buttons = []
-            for widget in self.findChildren(QPushButton):
-                if widget.text() == "刷新设备":
-                    refresh_buttons.append(widget)
-                    
-            if refresh_buttons:
-                logging.info(f"找到 {len(refresh_buttons)} 个刷新设备按钮")
-                for i, button in enumerate(refresh_buttons):
-                    try:
-                        # 断开现有连接
-                        button.clicked.disconnect()
-                    except Exception:
-                        pass
-                    
-                    # 连接到相机设置的刷新方法
-                    if hasattr(self.settings_widget, 'camera_settings') and hasattr(self.settings_widget.camera_settings, 'refresh_devices'):
-                        button.clicked.connect(self.settings_widget.camera_settings.refresh_devices)
-                        logging.info(f"已将刷新按钮 #{i+1} 连接到refresh_devices方法")
-                        
-                        # 尝试调用一次
-                        self.settings_widget.camera_settings.refresh_devices()
-                        logging.info("已手动调用refresh_devices方法初始化设备列表")
-            
-            # 使用导入的修复模块作为备选方案
-            try:
-                # 使用相对导入，更可靠
-                from . import refresh_devices_fix
-                refresh_devices_fix.fix_camera_refresh_button(self.settings_widget)
-                logging.info("已应用相机刷新按钮修复(通过相对导入)")
-            except ImportError:
-                # 如果相对导入失败，尝试绝对导入
-                try:
-                    import refresh_devices_fix
-                    refresh_devices_fix.fix_camera_refresh_button(self.settings_widget)
-                    logging.info("已应用相机刷新按钮修复(通过绝对导入)")
-                except ImportError:
-                    # 如果绝对导入也失败，直接内联实现修复逻辑
-                    logging.warning("导入refresh_devices_fix失败，使用内联修复")
-                    self._fix_camera_refresh_button()
-        except Exception as e:
-            logging.error(f"应用相机刷新按钮修复失败: {str(e)}")
+        self._fix_camera_refresh_button()
+        
+        # 添加按钮
+        self.button_box = QDialogButtonBox(QDialogButtonBox.Ok | QDialogButtonBox.Cancel)
+        self.button_box.accepted.connect(self.accept)
+        self.button_box.rejected.connect(self.reject)
+        main_layout.addWidget(self.button_box)
+        
+        # 连接信号
+        self.serial_settings.settings_changed.connect(self.settings_changed.emit)
+        
+        logging.info("SettingsWindow初始化完成")
             
     def _fix_camera_refresh_button(self):
         """内联实现的刷新按钮修复逻辑，用于导入模块失败的情况"""
@@ -134,26 +103,6 @@ class SettingsWindow(QDialog):
                 
         except Exception as e:
             logging.error(f"内联修复相机刷新按钮时发生错误: {str(e)}")
-        
-        # 添加串口设置到标签页
-        self.serial_settings = SerialSettingsWidget(self)
-        self.settings_widget.tab_widget.addTab(self.serial_settings, "串口设置")
-        
-        # 添加电力监控设置到标签页
-        self.electricity_settings = ElectricitySettingsUI(self)
-        self.settings_widget.tab_widget.addTab(self.electricity_settings, "电力监控")
-        
-        # 添加按钮
-        self.button_box = QDialogButtonBox(QDialogButtonBox.Ok | QDialogButtonBox.Cancel)
-        self.button_box.accepted.connect(self.accept)
-        self.button_box.rejected.connect(self.reject)
-        main_layout.addWidget(self.button_box)
-        
-        # 连接信号
-        self.serial_settings.settings_changed.connect(self.settings_changed.emit)
-        self.electricity_settings.settings_changed.connect(self.settings_changed.emit)
-        
-        logging.info("SettingsWindow初始化完成")
     
     def accept(self):
         """确认按钮处理，保存所有设置并发送设置变更信号"""