diff --git a/src/0-core/HuanMeng.DotNetCore/Utility/MD5Encryption.cs b/src/0-core/HuanMeng.DotNetCore/Utility/MD5Encryption.cs
new file mode 100644
index 0000000..496aabd
--- /dev/null
+++ b/src/0-core/HuanMeng.DotNetCore/Utility/MD5Encryption.cs
@@ -0,0 +1,43 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Security.Cryptography;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace HuanMeng.DotNetCore.Utility
+{
+    /// <summary>
+    /// 
+    /// </summary>
+    public static class MD5Encryption
+    {
+        /// <summary>
+        /// md5加密
+        /// </summary>
+        /// <param name="input"></param>
+        /// <returns></returns>
+        public static string ComputeMD5Hash(string input)
+        {
+            // 创建一个 MD5 哈希算法的实例
+            using (MD5 md5 = MD5.Create())
+            {
+                // 将输入字符串转换为字节数组
+                byte[] inputBytes = Encoding.UTF8.GetBytes(input);
+
+                // 计算 MD5 哈希值
+                byte[] hashBytes = md5.ComputeHash(inputBytes);
+
+                // 将字节数组转换为十六进制字符串
+                StringBuilder sb = new StringBuilder();
+                for (int i = 0; i < hashBytes.Length; i++)
+                {
+                    sb.Append(hashBytes[i].ToString("x2"));
+                }
+
+                // 返回哈希值字符串
+                return sb.ToString();
+            }
+        }
+    }
+}
diff --git a/src/0-core/HuanMeng.MiaoYu.Code/Order/OrderBLL.cs b/src/0-core/HuanMeng.MiaoYu.Code/Order/OrderBLL.cs
index 4752b7b..bf0c7bb 100644
--- a/src/0-core/HuanMeng.MiaoYu.Code/Order/OrderBLL.cs
+++ b/src/0-core/HuanMeng.MiaoYu.Code/Order/OrderBLL.cs
@@ -55,7 +55,7 @@ namespace HuanMeng.MiaoYu.Code.Order
                 {
                     price = (decimal)0.01;
                 }
-                (var orderId, var order) = await payment.CreateOrder(product.ProductName, price, product, ip);
+                (var orderId, var order) = await payment.CreateOrder(product.Id,product.ProductName, price, product, ip);
                 var t = product.ToIntentOrder(paymentMethod, orderId);
                 t.UserId = _UserId;
                 Dao.daoDbMiaoYu.context.Add(t);
diff --git a/src/0-core/HuanMeng.MiaoYu.Code/Payment/Alipay/AlipayPayment.cs b/src/0-core/HuanMeng.MiaoYu.Code/Payment/Alipay/AlipayPayment.cs
index b8e49b4..6c02c0a 100644
--- a/src/0-core/HuanMeng.MiaoYu.Code/Payment/Alipay/AlipayPayment.cs
+++ b/src/0-core/HuanMeng.MiaoYu.Code/Payment/Alipay/AlipayPayment.cs
@@ -11,15 +11,16 @@ using Alipay.EasySDK.Kernel.Util;
 using Alipay.EasySDK.Payment.FaceToFace.Models;
 using StackExchange.Redis;
 using HuanMeng.DotNetCore.MultiTenant.Contract;
+using HuanMeng.MiaoYu.Code.Payment.WeChat;
 
 namespace HuanMeng.MiaoYu.Code.Payment.Alipay
 {
     /// <summary>
     /// 
     /// </summary>
-    public class AlipayPayment(Config config, ITenantInfo tenantInfo) : IPayment
+    public class AlipayPayment(Config config, ITenantInfo tenantInfo, int userId) : IPayment
     {
-        public Task<(string orderId, string order)> CreateOrder(string productName, decimal price, params object[] args)
+        public Task<(string orderId, string order)> CreateOrder(int productId, string productName, decimal price, params object[] args)
         {
             if (string.IsNullOrEmpty(productName))
             {
@@ -30,11 +31,13 @@ namespace HuanMeng.MiaoYu.Code.Payment.Alipay
             {
                 throw new ArgumentNullException($"价格不能为空！");
             }
-            var orderId = GenerateTimestampIdWithOffset();
+            var orderId = PaymentExtend.GenerateCustomString("ZFB", userId, productId, "001");
             //.SetOptions(GetConfig());
             //AsyncNotify
             //https://pay.shhuanmeng.com/api/${tenant}/zfb/${orderId}
-            var notifyUrl = config.NotifyUrl.Replace("${pay}", "zfb").Replace("${orderId}", orderId).Replace("${tenant}", tenantInfo.Identifier); ;
+            string sign = $"{tenantInfo.Identifier}{orderId}{userId}";
+            sign = MD5Encryption.ComputeMD5Hash(sign);
+            var notifyUrl = config.NotifyUrl.Replace("${pay}", "zfb").Replace("${orderId}", orderId).Replace("${tenant}", tenantInfo.Identifier).Replace("${sign}", sign);
             var response = Factory.Payment.App().AsyncNotify(notifyUrl).Optional("passback_params", "PaymentType%3Dzfb").Pay(productName, orderId, priceStr);
             if (!ResponseChecker.Success(response))
             {
diff --git a/src/0-core/HuanMeng.MiaoYu.Code/Payment/Contract/IPayment.cs b/src/0-core/HuanMeng.MiaoYu.Code/Payment/Contract/IPayment.cs
index da8d257..6ff73b5 100644
--- a/src/0-core/HuanMeng.MiaoYu.Code/Payment/Contract/IPayment.cs
+++ b/src/0-core/HuanMeng.MiaoYu.Code/Payment/Contract/IPayment.cs
@@ -14,11 +14,15 @@ namespace HuanMeng.MiaoYu.Code.Payment.Contract
         /// <summary>
         /// 创建订单
         /// </summary>
+        /// <param name="productId">产品id</param>
         /// <param name="orderId">订单id</param>
         /// <param name="productName">产品名称</param>
         /// <param name="price">价格</param>
         /// <param name="args">其它参数</param>
         /// <returns></returns>
-        Task<(string orderId, string order)> CreateOrder(string productName, decimal price, params object[] args);
+        Task<(string orderId, string order)> CreateOrder(int productId, string productName, decimal price, params object[] args);
+
+
+
     }
 }
diff --git a/src/0-core/HuanMeng.MiaoYu.Code/Payment/PaymentExtend.cs b/src/0-core/HuanMeng.MiaoYu.Code/Payment/PaymentExtend.cs
index e505aa0..ede5d5f 100644
--- a/src/0-core/HuanMeng.MiaoYu.Code/Payment/PaymentExtend.cs
+++ b/src/0-core/HuanMeng.MiaoYu.Code/Payment/PaymentExtend.cs
@@ -111,9 +111,9 @@ namespace HuanMeng.MiaoYu.Code.Payment
 
             if (payment == "zfb")
             {
-                return new AlipayPayment(AlipayConfig, miaoYuBase.TenantInfo);
+                return new AlipayPayment(AlipayConfig, miaoYuBase.TenantInfo, miaoYuBase._UserId);
             }
-            return new WeChatPayment(wxClient, weChatConfig, miaoYuBase.TenantInfo);
+            return new WeChatPayment(wxClient, weChatConfig, miaoYuBase.TenantInfo, miaoYuBase._UserId);
         }
 
         /// <summary>
@@ -140,5 +140,98 @@ namespace HuanMeng.MiaoYu.Code.Payment
             };
             return t_User_IntentOrder;
         }
+
+        /// <summary>
+        /// 生成订单编号
+        /// </summary>
+        /// <param name="identifier"></param>
+        /// <param name="userId"></param>
+        /// <param name="machineCode"></param>
+        /// <returns></returns>
+        /// <exception cref="ArgumentException"></exception>
+        public static string GenerateCustomString(string identifier, int userId, int producId, string machineCode)
+        {
+            // 确保标识符为3位，不足补0
+            string identifierPadded = identifier.PadRight(3, '0');
+
+            // 获取当前时间戳
+            long timestamp = DateTimeOffset.UtcNow.ToUnixTimeSeconds();
+
+            // 将用户ID补足6位，不足补0
+            string userIdPadded = userId.ToString().PadLeft(6, '0');
+            // 产品id补足3位
+            string producIdPadded = producId.ToString().PadLeft(3, '0');
+            // 确保机器码为3位，不足补0
+            string machineCodePadded = machineCode.PadLeft(3, '0');
+
+            // 计算随机字符串应占用的位数
+            int randomStringLength = 32 - (identifierPadded.Length + 1 + 10 + 1 + userIdPadded.Length + 1 + machineCodePadded.Length + 1 + producIdPadded.Length + 1);
+
+            // 生成指定长度的随机字符串（字母和数字混合）
+            string randomPadded = GenerateRandomString(randomStringLength);
+
+            // 使用 StringBuilder 拼接成最终字符串
+            var sb = new StringBuilder(32);
+            sb.Append(identifierPadded)
+              .Append('T').Append(timestamp)
+              .Append('U').Append(userIdPadded)
+              .Append('P').Append(producIdPadded)
+              .Append('M').Append(machineCodePadded)
+              .Append('R').Append(randomPadded);
+
+            return sb.ToString();
+        }
+
+        private static string GenerateRandomString(int length)
+        {
+            const string chars = "ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789";
+            var random = new Random();
+            var result = new char[length];
+            for (int i = 0; i < length; i++)
+            {
+                result[i] = chars[random.Next(chars.Length)];
+            }
+            return new string(result);
+        }
+        /// <summary>
+        /// 解析订单号
+        /// </summary>
+        /// <param name="customString"></param>
+        /// <returns></returns>
+        /// <exception cref="ArgumentException"></exception>
+        public static (string Identifier, long Timestamp, int UserId, int ProductId, string MachineCode, string RandomString) ParseCustomString(string customString)
+        {
+            if (customString.Length != 32)
+            {
+                throw new ArgumentException("Custom string must be exactly 32 characters long.");
+            }
+
+            // 通过索引位置缓存各个部分的起始位置
+            int tIndex = customString.IndexOf('T');
+            int uIndex = customString.IndexOf('U');
+            int pIndex = customString.IndexOf('P');
+            int mIndex = customString.IndexOf('M');
+            int rIndex = customString.IndexOf('R');
+
+            // 提取并去掉标识符的末尾零
+            string identifier = customString.Substring(0, tIndex).TrimEnd('0');
+
+            // 提取时间戳
+            long timestamp = long.Parse(customString.Substring(tIndex + 1, uIndex - tIndex - 1));
+
+            // 提取用户ID
+            int userId = int.Parse(customString.Substring(uIndex + 1, pIndex - uIndex - 1));
+
+            // 提取产品ID
+            int productId = int.Parse(customString.Substring(pIndex + 1, mIndex - pIndex - 1));
+
+            // 提取机器码
+            string machineCode = customString.Substring(mIndex + 1, rIndex - mIndex - 1);
+
+            // 提取随机字符串
+            string randomString = customString.Substring(rIndex + 1);
+
+            return (identifier, timestamp, userId, productId, machineCode, randomString);
+        }
     }
 }
diff --git a/src/0-core/HuanMeng.MiaoYu.Code/Payment/WeChat/WeChatPayment.cs b/src/0-core/HuanMeng.MiaoYu.Code/Payment/WeChat/WeChatPayment.cs
index e7f34a2..9059c2b 100644
--- a/src/0-core/HuanMeng.MiaoYu.Code/Payment/WeChat/WeChatPayment.cs
+++ b/src/0-core/HuanMeng.MiaoYu.Code/Payment/WeChat/WeChatPayment.cs
@@ -4,20 +4,25 @@ using SKIT.FlurlHttpClient.Wechat.TenpayV3.Models;
 using SKIT.FlurlHttpClient.Wechat.TenpayV3;
 using Newtonsoft.Json;
 using HuanMeng.DotNetCore.MultiTenant.Contract;
+using System.Security.Cryptography;
 
 namespace HuanMeng.MiaoYu.Code.Payment.WeChat
 {
     /// <summary>
     /// 微信支付
     /// </summary>
-    public class WeChatPayment(WechatTenpayClient client, WeChatConfig weChatConfig, ITenantInfo tenantInfo) : IPayment
+    public class WeChatPayment(WechatTenpayClient client, WeChatConfig weChatConfig, ITenantInfo tenantInfo, int userId) : IPayment
     {
-        public async Task<(string orderId, string order)> CreateOrder(string productName, decimal price, params object[] args)
+        public async Task<(string orderId, string order)> CreateOrder(int productId, string productName, decimal price, params object[] args)
         {
-            var orderId = GenerateTimestampIdWithOffset();
+            //var orderId = GenerateTimestampIdWithOffset();
+            var orderId = PaymentExtend.GenerateCustomString("WX", userId, productId, "001");
             //var client = new WechatTenpayClient(wechatTenpayClientOptions);
             /* 以 JSAPI 统一下单接口为例 */
-            var notifyUrl = weChatConfig.NotifyUrl.Replace("${pay}", "wx").Replace("${orderId}", orderId).Replace("${tenant}", tenantInfo.Identifier);
+            string sign = $"{tenantInfo.Identifier}{orderId}{userId}";
+            sign = MD5Encryption.ComputeMD5Hash(sign);
+            var notifyUrl = weChatConfig.NotifyUrl.Replace("${pay}", "wx").Replace("${orderId}", orderId).Replace("${tenant}", tenantInfo.Identifier).Replace("${sign}", sign);
+
             var request = new CreatePayTransactionAppRequest()
             {
                 OutTradeNumber = orderId,
@@ -34,16 +39,10 @@ namespace HuanMeng.MiaoYu.Code.Payment.WeChat
             if (response.IsSuccessful())
             {
                 var paramMap = client.GenerateParametersForAppPayRequest(request.AppId, response.PrepayId);
-                Console.WriteLine("PrepayId：" + response.PrepayId);
+                //Console.WriteLine("PrepayId：" + response.PrepayId);
                 return new(orderId, JsonConvert.SerializeObject(paramMap));
             }
             throw new Exception("微信下单失败");
         }
-        private string GenerateTimestampIdWithOffset()
-        {
-            var timestamp = DateTimeOffset.Now.ToUnixTimeMilliseconds(); // 获取Unix时间戳（毫秒）
-            var random = new Random().Next(1000, 9999); // 生成四位随机数
-            return $"WX0{timestamp}J001C{random}";
-        }
     }
 }
diff --git a/src/2-api/HuanMeng.MiaoYu.WebPayApi/Controllers/PayController.cs b/src/2-api/HuanMeng.MiaoYu.WebPayApi/Controllers/PayController.cs
index 77eeed3..981c964 100644
--- a/src/2-api/HuanMeng.MiaoYu.WebPayApi/Controllers/PayController.cs
+++ b/src/2-api/HuanMeng.MiaoYu.WebPayApi/Controllers/PayController.cs
@@ -31,8 +31,8 @@ namespace HuanMeng.MiaoYu.WebPayApi.Controllers
         /// ${tenant}/zfb/${orderId}
         /// </summary>
         /// <returns></returns>
-        [HttpPost("{tenant?}/{pay?}/{orderId?}")]
-        public async Task<string> Post(string? tenant, string? pay, string? orderId)
+        [HttpPost("{tenant?}/{pay?}/{orderId?}/{sign?}")]
+        public async Task<string> Post(string? tenant, string? pay, string? orderId,string? sign)
         {
             var context = httpContextAccessor.HttpContext;
             context.Request.EnableBuffering(); // Enable buffering to allow the body to be read multiple times