diff --git a/admin.net.pro/Admin.NET/Vistar.Application/Service/SapOpenInterface/SapOpenInterfaceService.cs b/admin.net.pro/Admin.NET/Vistar.Application/Service/SapOpenInterface/SapOpenInterfaceService.cs
index 6780bee..1d2074d 100644
--- a/admin.net.pro/Admin.NET/Vistar.Application/Service/SapOpenInterface/SapOpenInterfaceService.cs
+++ b/admin.net.pro/Admin.NET/Vistar.Application/Service/SapOpenInterface/SapOpenInterfaceService.cs
@@ -5,6 +5,7 @@
 // 不得利用本项目从事危害国家安全、扰乱社会秩序、侵犯他人合法权益等法律法规禁止的活动！任何基于本项目二次开发而产生的一切法律纠纷和责任，我们不承担任何责任！
 
 using Admin.NET.Core;
+using Admin.NET.Core.Service;
 using Furion.DependencyInjection;
 using Furion.DynamicApiController;
 using Microsoft.AspNetCore.Authentication.JwtBearer;
@@ -14,6 +15,7 @@ using System;
 using System.Collections.Generic;
 using System.ComponentModel;
 using System.Linq;
+using System.Security.Cryptography;
 using System.Text;
 using System.Threading.Tasks;
 using Vistar.Application.Const;
@@ -36,6 +38,28 @@ public class SapOpenInterfaceService : IDynamicApiController, ITransient
         _obj132Rep = obj132Rep;
         _solidWorksManageService = solidWorksManageService;
     }
+
+    /// <summary>
+    /// 生成签名 🔖
+    /// </summary>
+    /// <param name="input"></param>
+    /// <returns></returns>
+    [DisplayName("生成签名")]
+    [AllowAnonymous]
+    public string GenerateSignature(GenerateSignatureInput input)
+    {
+        // 密钥
+        var appSecretByte = Encoding.UTF8.GetBytes(input.AccessSecret);
+
+        // 拼接参数
+        var parameter = $"{input.Method.ToString().ToUpper()}&{input.Url}&{input.AccessKey}&{input.Timestamp}&{input.Nonce}";
+        // 使用 HMAC-SHA256 协议创建基于哈希的消息身份验证代码 (HMAC)，以appSecretByte 作为密钥，对上面拼接的参数进行计算签名，所得签名进行 Base-64 编码
+        using HMAC hmac = new HMACSHA256();
+        hmac.Key = appSecretByte;
+        var sign = Convert.ToBase64String(hmac.ComputeHash(Encoding.UTF8.GetBytes(parameter)));
+        return sign;
+    }
+
     /// <summary>
     /// SAP创建、修改客户档案
     /// </summary>