diff --git a/charging_pile_proxy/commands/__init__.py b/charging_pile_proxy/commands/__init__.py
index 232848b..e7e222d 100644
--- a/charging_pile_proxy/commands/__init__.py
+++ b/charging_pile_proxy/commands/__init__.py
@@ -10,9 +10,10 @@ from commands.command_0A import Command0A
 from commands.command_25 import Command25
 from commands.command_30 import Command30
 from commands.command_19_1A import Command191A
+from commands.command_1F_20 import Command1F20
 from commands.command_21_22 import Command2122
 from commands.command_23_24 import Command2324
-#from commands.command_26_27 import Command2627
+from commands.command_26_27 import Command2627
 
 __all__ = ['Command02', 'Command03', 'CommandHeartbeat','Command07','Command08','Command09',
-           'Command0A','Command25','Command30','Command191A','Command2122','Command2324']
\ No newline at end of file
+           'Command0A','Command25','Command30','Command191A','Command2122','Command2324','Command1F20']
\ No newline at end of file
diff --git a/charging_pile_proxy/commands/__pycache__/__init__.cpython-311.pyc b/charging_pile_proxy/commands/__pycache__/__init__.cpython-311.pyc
index 1c28149..900d997 100644
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diff --git a/charging_pile_proxy/commands/__pycache__/command_1F_20.cpython-311.pyc b/charging_pile_proxy/commands/__pycache__/command_1F_20.cpython-311.pyc
new file mode 100644
index 0000000..06aa984
Binary files /dev/null and b/charging_pile_proxy/commands/__pycache__/command_1F_20.cpython-311.pyc differ
diff --git a/charging_pile_proxy/commands/__pycache__/command_23_24.cpython-311.pyc b/charging_pile_proxy/commands/__pycache__/command_23_24.cpython-311.pyc
index dec89ff..3f7d13f 100644
Binary files a/charging_pile_proxy/commands/__pycache__/command_23_24.cpython-311.pyc and b/charging_pile_proxy/commands/__pycache__/command_23_24.cpython-311.pyc differ
diff --git a/charging_pile_proxy/commands/__pycache__/command_25.cpython-311.pyc b/charging_pile_proxy/commands/__pycache__/command_25.cpython-311.pyc
index 1d17fb4..5304155 100644
Binary files a/charging_pile_proxy/commands/__pycache__/command_25.cpython-311.pyc and b/charging_pile_proxy/commands/__pycache__/command_25.cpython-311.pyc differ
diff --git a/charging_pile_proxy/commands/command_02.py b/charging_pile_proxy/commands/command_02.py
index 0cd9b2f..7c2c85b 100644
--- a/charging_pile_proxy/commands/command_02.py
+++ b/charging_pile_proxy/commands/command_02.py
@@ -46,111 +46,122 @@ class Command02:
     def validate_frame(self, data):
         """验证帧格式"""
         try:
-            print(f"\n验证帧格式:")
-            print(f"数据内容: {data.hex()}")
+            print("\n开始验证帧格式:")
+            print(f"数据内容: {data.hex().upper()}")
             print(f"数据长度: {len(data)}字节")
 
-            # 1. 基本长度检查
+            # 1. 基本格式检查
             if len(data) < 14:
-                print("数据长度不足14字节，无效")
+                print("数据长度不足14字节")
                 return False
 
-            # 2. 检查帧起始标志
             if data[0:2] != b'JX':
-                print("帧起始标志不是'JX'，无效")
+                print("帧起始标志不是'JX'")
                 return False
 
-            # 3. 获取并检查数据域长度
+            # 2. 获取数据域长度
             data_len = struct.unpack("<H", data[12:14])[0]
-            print(f"数据域长度字段值: {data_len}")
+            expected_total_len = 14 + data_len + 1  # 头部(14) + 数据域 + 校验码(1)
 
-            # 4. 计算并检查总长度
-            expected_len = 16 + data_len  # 固定部分(14) + 数据域 + 校验码(1)
-            print(f"期望总长度: {expected_len}")
-            print(f"实际长度: {len(data)}")
+            # 如果数据长度不匹配，尝试修正数据
+            if len(data) != expected_total_len:
+                print(f"数据长度不匹配，尝试修正...")
+                if len(data) > expected_total_len:
+                    print(f"截断多余数据")
+                    data = data[:expected_total_len]
+                else:
+                    print("数据不完整")
+                    return False
 
-            if len(data) != expected_len:
-                print("数据总长度不匹配")
-                return False
+            # 3. 显示数据结构
+            print(f"\n数据结构分析:")
+            print(f"起始标识: {data[0:2].hex().upper()}")
+            print(f"命令字: {data[2]:02X}")
+            print(f"桩号: {data[3:11].hex().upper()}")
+            print(f"加密方式: {data[11]:02X}")
+            print(f"数据长度: {data_len}")
+            print(f"数据域: {data[14:14 + data_len].hex().upper()}")
+            print(f"校验码: {data[-1]:02X}")
 
-            # 5. 验证校验码
-            check_data = data[2:-1]  # 从命令字节到校验码前的数据
+            # 4. 校验码验证
+            check_data = data[2:-1]
             calculated_check = 0
             for b in check_data:
                 calculated_check ^= b
 
-            received_check = data[-1]
-            print(f"计算得到的校验码: {calculated_check:02X}")
-            print(f"接收到的校验码: {received_check:02X}")
-
-            if calculated_check != received_check:
-                print("校验码不匹配")
+            if calculated_check != data[-1]:
+                print(f"校验码不匹配: 计算值={calculated_check:02X}, 接收值={data[-1]:02X}")
                 return False
 
-            print("帧格式验证通过")
             return True
 
         except Exception as e:
-            print(f"帧格式验证出错: {str(e)}")
+            print(f"验证帧格式异常: {str(e)}")
             return False
 
+    def debug_print_fields(self, data):
+        """打印数据包的详细字段"""
+        print("\n===== 数据包解析 =====")
+        print("1. 固定头部:")
+        print(f"  起始标识 (2字节): {data[0:2].hex().upper()}")
+        print(f"  命令码 (1字节): {data[2]:02X}")
+        print(f"  桩号 (8字节): {data[3:11].hex().upper()}")
+        print(f"  加密方式 (1字节): {data[11]:02X}")
+        print(f"  数据域长度 (2字节): {struct.unpack('<H', data[12:14])[0]}")
+
+        data_len = struct.unpack("<H", data[12:14])[0]
+        print("\n2. 数据域:")
+        print(f"  时间标识 (6字节): {data[14:20].hex().upper()}")
+        print(f"  密钥版本 (2字节): {data[20:22].hex().upper()}")
+        print(f"  校验密文 (8字节): {data[22:30].hex().upper()}")
+
+        print(f"\n3. 校验码 (1字节): {data[-1]:02X}")
+
+        # 检查是否有多余字节
+        expected_len = 14 + data_len + 1
+        if len(data) > expected_len:
+            print(f"\n警告: 发现多余字节:")
+            print(f"多余字节内容: {data[expected_len:].hex().upper()}")
+
     def parse_01h(self, data):
         """解析01H命令数据"""
         try:
             print("\n开始解析01H命令...")
-
             if not self.validate_frame(data):
                 raise ValueError("帧格式验证失败")
 
+            # 提取基本信息
             command = data[2]
             pile_id = data[3:11]
             encrypt_mode = data[11]
-            data_len = struct.unpack("<H", data[12:14])[0]
-            data_field = data[14:14 + data_len]
+            data_field = data[14:-1]  # 从数据域开始到校验码之前
 
-            # 解析时间标识
+            # 解析数据域内容
             time_bytes = data_field[0:6]
             year = time_bytes[0] + 2000
             month, day, hour, minute, second = time_bytes[1:6]
             timestamp = f"{year:04d}-{month:02d}-{day:02d} {hour:02d}:{minute:02d}:{second:02d}"
 
-            # 解析密钥版本和校验密文
             key_version = struct.unpack("<H", data_field[6:8])[0]
             check_text = data_field[8:16]
 
-            # 解析桩号
-            pile_info = self.parse_pile_id(pile_id)
-
             result = {
                 "command": command,
                 "pile_id": pile_id,
-                "pile_info": pile_info,
                 "encrypt_mode": encrypt_mode,
                 "timestamp": timestamp,
                 "key_version": key_version,
                 "check_text": check_text
             }
 
-            print("\n解析结果:")
-            print(f"命令码: {command:02X}")
-            print(f"桩号信息: {pile_info}")
-            print(f"加密方式: {encrypt_mode:02X}")
-            print(f"时间标识: {timestamp}")
-            print(f"密钥版本: {key_version}")
-            print(f"校验密文: {check_text.hex()}")
-
             return result
-
         except Exception as e:
-            logging.error(f"解析01H命令失败: {str(e)}")
             print(f"解析失败: {str(e)}")
             return None
 
     def build_02h_response(self, pile_id, allow=True, reject_reason=0):
         """构建02H响应命令"""
         try:
-            print("\n构建02H响应...")
-
             frame = bytearray()
             frame.extend(b'JX')  # 帧起始标志
             frame.append(self.command)  # 命令
@@ -159,83 +170,83 @@ class Command02:
 
             data = bytearray()
 
-            # 时间标识
+            # 添加时间标识 (6字节)
             now = datetime.now()
             data.extend(struct.pack("<BBBBBB",
                                     now.year - 2000, now.month, now.day,
                                     now.hour, now.minute, now.second))
 
-            # 请求结果
+            # 添加请求结果和拒绝原因
             data.append(0x01 if allow else 0x02)
-
-            # 拒绝原因
             data.append(reject_reason)
 
             if allow:
-                # 二维码固定段
-                data.extend(self.qr_fixed.ljust(100, '\x00').encode())
+                # 添加二维码固定段 (100字节)
+                fixed_part = self.qr_fixed.encode()
+                data.extend(fixed_part.ljust(100, b'\x00'))
 
-                # 二维码枪号段数量
-                data.append(0x02)
+                # 添加二维码枪号段数量
+                data.append(0x02)  # 2个充电枪
 
-                # 二维码枪号段1和2
+                # 添加枪号段 (每个20字节)
                 pile_id_str = ''.join([f"{b:02X}" for b in pile_id])
                 gun1 = f"{pile_id_str}001"
                 gun2 = f"{pile_id_str}002"
+                data.extend(gun1.encode().ljust(20, b'\x00'))
+                data.extend(gun2.encode().ljust(20, b'\x00'))
 
-                data.extend(gun1.ljust(20, '\x00').encode())
-                data.extend(gun2.ljust(20, '\x00').encode())
-
-            # 数据域长度
+            # 添加数据域长度
             frame.extend(struct.pack("<H", len(data)))
 
-            # 数据域
+            # 添加数据域
             frame.extend(data)
 
-            # 计算校验码
+            # 计算并添加校验码
             check = 0
-            for b in frame[2:]:
+            for b in frame[2:]:  # 从命令字节开始异或
                 check ^= b
             frame.append(check)
 
-            print("响应数据构建成功:")
-            print(f"数据内容: {frame.hex()}")
-            print(f"数据长度: {len(frame)}字节")
-
             return bytes(frame)
 
         except Exception as e:
             logging.error(f"构建02H响应失败: {str(e)}")
-            print(f"构建响应失败: {str(e)}")
             return None
 
     def process_and_respond(self, received_data, sock):
         """处理收到的01H命令并回复02H"""
         try:
-            print("\n处理01H命令并生成响应...")
-
-            # 解析收到的01H命令
-            parsed = self.parse_01h(received_data)
-            if not parsed:
+            # 基础验证
+            if not self.validate_frame(received_data):
+                logging.error("01H命令帧格式验证失败")
                 return False
 
-            # 构建02H响应
-            allow = True  # 这里可以根据业务逻辑判断是否允许连接
-            reject_reason = 0
+            # 提取必要信息
+            pile_id = received_data[3:11]  # 桩号
+            time_bytes = received_data[14:20]  # 时间标识
+            key_version = struct.unpack("<H", received_data[20:22])[0]  # 密钥版本
 
-            response = self.build_02h_response(parsed["pile_id"], allow, reject_reason)
-            if not response:
-                return False
+            # 检查时间是否在合理范围内
+            cmd_time = datetime(2000 + time_bytes[0], time_bytes[1], time_bytes[2],
+                                time_bytes[3], time_bytes[4], time_bytes[5])
+            time_diff = abs((datetime.now() - cmd_time).total_seconds())
 
-            # 发送响应
-            if hasattr(sock, 'send'):
+            if time_diff > 600:  # 超过10分钟
+                logging.warning(f"时间差异过大: {time_diff}秒")
+                response = self.build_02h_response(pile_id, False, 6)  # 拒绝原因6-时差过大
+            else:
+                # 这里可以添加更多的验证逻辑
+                response = self.build_02h_response(pile_id, True, 0)
+
+            if response and hasattr(sock, 'send'):
                 sock.send(response)
+                logging.info(f"成功发送02H响应, 长度: {len(response)}字节")
+                return True
 
-            return True
+            return False
 
         except Exception as e:
-            logging.error(f"处理和响应失败: {str(e)}")
-            print(f"处理失败: {str(e)}")
+            logging.error(f"处理01H命令失败: {str(e)}")
             return False
 
 
@@ -243,29 +254,31 @@ def test_command():
     """测试函数"""
     print("开始测试01H/02H命令处理...")
 
-    # 配置日志
-    # logging.basicConfig(
-    #     filename='command_response_02h.log',
-    #     level=logging.INFO,
-    #     format='%(asctime)s - %(levelname)s - %(message)s',
-    #     encoding='utf-8'
-    # )
-
     # 创建响应处理器
     handler = Command02()
 
-    # 测试数据 - 使用实际收到的数据
-    test_data = bytes.fromhex("4A5801031767631136065701100019010909371501000000000000000000004D")
+    # 原始测试数据
+    hex_string = "4A5801031767631136065701100019010909371501000000000000000000004D"
+
+    # 解析数据长度字段以确定正确的数据包长度
+    expected_len = 14 + 16 + 1  # 头部(14字节) + 数据域(16字节) + 校验码(1字节)
+
+    # 确保只取需要的字节
+    test_data = bytes.fromhex(hex_string[:expected_len * 2])  # *2是因为hex字符串中一个字节用两个字符表示
 
     print("\n测试数据:")
-    print(f"十六进制: {test_data.hex()}")
-    print(f"长度: {len(test_data)}字节")
+    print(f"原始数据: {hex_string}")
+    print(f"处理后数据: {test_data.hex().upper()}")
+    print(f"数据长度: {len(test_data)}字节")
+
+    # 打印详细字段解析
+    handler.debug_print_fields(test_data)
 
     # 创建模拟socket
     class MockSocket:
         def send(self, data):
             print(f"\n模拟发送响应数据:")
-            print(f"数据内容: {data.hex()}")
+            print(f"数据内容: {data.hex().upper()}")
             print(f"数据长度: {len(data)}字节")
 
     mock_sock = MockSocket()
diff --git a/charging_pile_proxy/core/__pycache__/proxy_server.cpython-311.pyc b/charging_pile_proxy/core/__pycache__/proxy_server.cpython-311.pyc
index 95f007d..6d14b28 100644
Binary files a/charging_pile_proxy/core/__pycache__/proxy_server.cpython-311.pyc and b/charging_pile_proxy/core/__pycache__/proxy_server.cpython-311.pyc differ
diff --git a/charging_pile_proxy/core/proxy_server.py b/charging_pile_proxy/core/proxy_server.py
index 7e17c0f..017d244 100644
--- a/charging_pile_proxy/core/proxy_server.py
+++ b/charging_pile_proxy/core/proxy_server.py
@@ -1,6 +1,7 @@
 import socket
 import logging
 import threading
+import time
 from .utils import ProxyUtils
 from .mqtt_client import MQTTClient
 from commands.command_heartbeat import CommandHeartbeat
@@ -61,8 +62,61 @@ class ChargingPileProxyServer:
         # 存储心跳信息的字典
         self.heartbeat_info = {}
 
+        self.heartbeat_thread = threading.Thread(target=self.check_heartbeat_timeout)
+        self.heartbeat_thread.daemon = True
+        self.heartbeat_thread.start()
 
+    def check_heartbeat_timeout(self):
+        """心跳超时检测"""
+        while self.running:
+            try:
+                current_time = time.time()
+                disconnected_piles = []
 
+                for pile_id, last_heartbeat in self.heartbeat_info.items():
+                    time_diff = current_time - last_heartbeat
+
+                    # 如果超过60秒没收到心跳
+                    if time_diff > 60:
+                        msg = f"充电桩 {pile_id.hex().upper()} 心跳超时 {time_diff:.1f}秒"
+                        logging.warning(msg)
+                        print(msg)
+                        self.mqtt_client.publish_message(msg)
+                        disconnected_piles.append(pile_id)
+
+                # 从心跳信息中移除断开的充电桩
+                for pile_id in disconnected_piles:
+                    del self.heartbeat_info[pile_id]
+                    self.handle_pile_disconnect(pile_id)
+
+                # 每5秒检查一次
+                time.sleep(5)
+
+            except Exception as e:
+                logging.error(f"心跳检测错误: {str(e)}")
+                time.sleep(5)
+
+    def update_heartbeat(self, pile_id):
+        """更新心跳时间戳"""
+        try:
+            self.heartbeat_info[pile_id] = time.time()
+            logging.debug(f"更新充电桩 {pile_id.hex().upper()} 心跳时间")
+        except Exception as e:
+            logging.error(f"更新心跳时间戳失败: {str(e)}")
+
+    def handle_pile_disconnect(self, pile_id):
+        """处理充电桩断开连接"""
+        try:
+            msg = f"充电桩 {pile_id.hex().upper()} 断开连接"
+            logging.info(msg)
+            print(msg)
+            self.mqtt_client.publish_message(msg)
+
+            # 可以在这里添加充电桩断开后的清理逻辑
+            # 例如：中断正在进行的充电等
+
+        except Exception as e:
+            logging.error(f"处理充电桩断开连接失败: {str(e)}")
 
     def start(self):
         """启动代理服务器"""
@@ -139,16 +193,21 @@ class ChargingPileProxyServer:
 
                     # 根据命令字节处理不同命令
                     if command == 0x01:  # 01H命令
+                        logging.info(f"收到01H连接请求命令: {data.hex().upper()}")
                         if self.command_02_handler.process_and_respond(data, destination_socket):
-                            continue
-
+                            logging.info("01H命令处理完成")
+                            continue  # 跳过后续转发，避免重复转发
 
                     elif command == 0x03:  # 03H命令
-
+                        logging.info(f"收到03H登录命令: {data.hex().upper()}")
                         if self.command_03_handler.process_03h(data):
+                            logging.info("03H命令处理完成")
                             continue
 
                     elif command == 0x0C:  # 0CH桩心跳命令
+                        # 提取桩号并更新心跳
+                        pile_id = data[3:11]
+                        self.update_heartbeat(pile_id)
                         logging.info(f"收到0CH心跳命令: {data.hex().upper()}")
                         if self.heartbeat_handler.process_and_respond(data, destination_socket):
                             logging.info("0CH心跳命令处理完成")
@@ -160,16 +219,27 @@ class ChargingPileProxyServer:
                             logging.info("19H卡鉴权命令处理完成")
                             continue  # 跳过后续转发
 
+
+                    elif command == 0x1F:  # 1FH启动充电命令
+
+                        logging.info(f"收到1FH启动充电命令: {data.hex()}")
+
+                        if self.start_charge_handler.process_and_respond(data, destination_socket):
+                            logging.info("1FH命令处理完成")
+
+                            continue
+
+
                     elif command == 0x20:  # 20H启动充电回复
+
                         logging.info(f"收到20H启动充电回复: {data.hex()}")
+
                         self.start_charge_handler.parse_20h(data)
 
-
                     elif command == 0x21:  # 21H启动充电结果命令
-
                         logging.info(f"收到21H启动充电结果命令: {data.hex()}")
-
                         if self.charge_result_handler.process_and_respond(data, destination_socket):
+                            logging.info("21H命令处理完成")
                             continue  # 跳过后续转发
 
                     elif command == 0x23:  # 23H充电订单命令
@@ -179,6 +249,7 @@ class ChargingPileProxyServer:
                             continue
 
 
+
                     elif command == 0x25:  # 25H充电信息命令
 
                         logging.info(f"收到25H充电信息命令: {data.hex()}")
@@ -186,13 +257,19 @@ class ChargingPileProxyServer:
                         if self.charge_info_handler.process_25h(data):
                             logging.info("25H命令处理完成")
 
+                    elif command == 0x26:  # 26H停止充电命令
+                        logging.info(f"收到26H停止充电命令: {data.hex()}")
+                        if self.stop_charge_handler.build_26h_command(data, destination_socket):
+                            logging.info("26H命令处理完成")
+                            continue
+
                     elif command == 0x27:  # 27H停止充电回复
                         logging.info(f"收到27H停止充电回复: {data.hex()}")
                         self.stop_charge_handler.parse_27h(data)
 
                     elif command == 0x30:  # 30H BMS信息命令
                         logging.info(f"收到30H BMS信息命令: {data.hex().upper()}")
-                        if self.bms_handler.process_30h(data):
+                        if self.bms_handler.parse_30h_bms_status(data):
                             logging.info("30H BMS信息命令处理完成")
 
                     else:
diff --git a/charging_pile_proxy/test.log b/charging_pile_proxy/test.log
index 400bb1d..88c8f52 100644
--- a/charging_pile_proxy/test.log
+++ b/charging_pile_proxy/test.log
@@ -4,3 +4,4 @@
 2025-01-17 14:41:09,050 - ERROR - 代理服务器错误: [WinError 10013] 以一种访问权限不允许的方式做了一个访问套接字的尝试。
 2025-01-17 14:58:36,033 - ERROR - 代理服务器错误: [WinError 10013] 以一种访问权限不允许的方式做了一个访问套接字的尝试。
 2025-01-17 17:12:27,913 - ERROR - 代理服务器错误: [WinError 10013] 以一种访问权限不允许的方式做了一个访问套接字的尝试。
+2025-01-20 09:45:44,376 - INFO - 代理服务器已启动，监听地址: 0.0.0.0:52461