diff --git a/IRaCIS.Core.Application/Service/RepositoryHelper/VerifyCodeHelper.cs b/IRaCIS.Core.Application/Service/RepositoryHelper/VerifyCodeHelper.cs
new file mode 100644
index 000000000..51d563238
--- /dev/null
+++ b/IRaCIS.Core.Application/Service/RepositoryHelper/VerifyCodeHelper.cs
@@ -0,0 +1,108 @@
+using IRaCIS.Core.Domain.Models;
+using IRaCIS.Core.Infrastructure;
+using Microsoft.AspNetCore.Identity;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace IRaCIS.Core.Application.Service
+{
+    public class VerifyCodeHelper
+    {
+
+
+        public static async Task<bool> VerifyUserCodeAsync(IRepository<VerificationCode> _verificationCodeRepository, EmailVerifyCodeType verifyCodeType, string email, string code)
+        {
+            return await VerifyUserCodeAsync(_verificationCodeRepository, verifyCodeType, null, email, code);
+        }
+
+        public static async Task<bool> VerifyUserCodeAsync(IRepository<VerificationCode> _verificationCodeRepository, EmailVerifyCodeType verifyCodeType, Guid identityUserId, string code)
+        {
+            return await VerifyUserCodeAsync(_verificationCodeRepository, verifyCodeType, identityUserId, null, code);
+        }
+
+        public static async Task<bool> VerifyUserCodeAsync(IRepository<VerificationCode> _verificationCodeRepository, EmailVerifyCodeType verifyCodeType, Guid? identityUserId, string? email, string code)
+        {
+
+            var verifySuccess = false;
+
+            var verificationRecord = new VerificationCode();
+
+
+            if (identityUserId != null)
+            {
+                verificationRecord = await _verificationCodeRepository.FirstOrDefaultAsync(t => t.UserId == identityUserId && t.Code == code && t.CodeType == 0);
+
+                if (verificationRecord != null)
+                {
+                    //删除验证码历史记录
+                    await _verificationCodeRepository.BatchDeleteNoTrackingAsync(t => t.UserId == identityUserId && t.CodeType == 0);
+
+
+                    if (email != null)
+                    {
+                        var useEmail = email.Trim();
+
+                        if (verificationRecord.EmailOrPhone.Trim() != useEmail)
+                        {
+                            //发送验证嘛的和提交的邮箱不一致
+
+                            throw new BusinessValidationFailedException(I18n.T("User_VerificationEmailNotSameWithBefore"));
+
+                        }
+                    }
+                }
+            }
+            else if (email != null)
+            {
+
+                var useEmail = email.Trim();
+
+                verificationRecord = await _verificationCodeRepository.FirstOrDefaultAsync(t => t.EmailOrPhone == useEmail && t.Code == code && t.CodeType == 0);
+
+                if (verificationRecord != null)
+                {                  
+                    //删除验证码历史记录
+                    await _verificationCodeRepository.BatchDeleteNoTrackingAsync(t => t.EmailOrPhone == useEmail && t.CodeType == 0);
+                }
+
+            }
+            else
+            {
+                throw new InvalidOperationException("验证码参数不正确");
+            }
+
+            //检查数据库是否存在该验证码
+            if (verificationRecord == null)
+            {
+                //---验证码错误。
+
+                throw new BusinessValidationFailedException(I18n.T("User_VerificationCodeError"));
+
+            }
+            else
+            {
+                //检查验证码是否失效
+                if (verificationRecord.ExpirationTime < DateTime.Now)
+                {
+                    //---验证码已经过期。
+
+                    throw new BusinessValidationFailedException(I18n.T("User_VerificationCodeExpired"));
+
+                }
+                else //验证码正确 并且 没有超时 
+                {
+                    verifySuccess = true;
+
+
+                }
+            }
+
+            return verifySuccess;
+        }
+
+
+    }
+}
diff --git a/IRaCIS.Core.Domain/Common/VerificationCode.cs b/IRaCIS.Core.Domain/Common/VerificationCode.cs
index c79357e22..104bb4f33 100644
--- a/IRaCIS.Core.Domain/Common/VerificationCode.cs
+++ b/IRaCIS.Core.Domain/Common/VerificationCode.cs
@@ -23,4 +23,18 @@ public class VerificationCode : BaseAddAuditEntity
     [Comment("过期时间")]
     public DateTime ExpirationTime { get; set; }
 
+}
+
+public enum EmailVerifyCodeType
+{
+
+    ModifyEmail = 1,
+
+    SiteSurvey = 2,
+
+    ForgetPassword = 3,
+
+    MFA = 4,
+
+    AdminResetPassword = 5
 }
\ No newline at end of file