diff --git a/src/1.datas/ATS.NonCustodial.Domain/Entities/Admins/AppSMS.cs b/src/1.datas/ATS.NonCustodial.Domain/Entities/Admins/AppSMS.cs
new file mode 100644
index 0000000..f2a49d4
--- /dev/null
+++ b/src/1.datas/ATS.NonCustodial.Domain/Entities/Admins/AppSMS.cs
@@ -0,0 +1,42 @@
+using ATS.NonCustodial.Domain.Shared.AggRootEntities;
+using ATS.NonCustodial.Domain.Shared.Constants;
+using ATS.NonCustodial.Domain.Shared.Enums;
+using ATS.NonCustodial.Shared.Common.Enums;
+using ATS.NonCustodial.Shared.Common.Enums.IM;
+using Microsoft.EntityFrameworkCore;
+using System.ComponentModel.DataAnnotations;
+using System.ComponentModel.DataAnnotations.Schema;
+using System.Numerics;
+
+namespace ATS.NonCustodial.Domain.Entities.Admins
+{
+    [Table("app_sms")]
+    public class AppSMS: EntityFull
+    {
+        public AppSMS()
+        { }
+
+        public AppSMS(long id)
+        {
+            Id = id;
+        }
+
+        public string phone { get; set; } = string.Empty;
+
+        public string content { get; set; } = string.Empty;
+
+        public string? code { get; set; }
+
+        public DateTime sendTime { get; set; }
+
+        public DateTime expiresTime { get; set; }
+
+        public bool isUsed { get; set; } = false;
+
+        public DateTime? useTime { get; set; }
+
+        public string ipAddress { get; set; } = string.Empty;
+
+        public string type { get; set; } = "default";
+    }
+}
diff --git a/src/2.services/ATS.NonCustodial.Application/Impl/Admins/AuthService.cs b/src/2.services/ATS.NonCustodial.Application/Impl/Admins/AuthService.cs
index 7f1df81..ce7f938 100644
--- a/src/2.services/ATS.NonCustodial.Application/Impl/Admins/AuthService.cs
+++ b/src/2.services/ATS.NonCustodial.Application/Impl/Admins/AuthService.cs
@@ -35,6 +35,7 @@ using NPOI.Util;
 using StackExchange.Profiling;
 using System.Diagnostics;
 using System.Security.Claims;
+using static System.Runtime.InteropServices.JavaScript.JSType;
 
 namespace ATS.NonCustodial.Application.Impl.Admins
 {
@@ -387,6 +388,17 @@ namespace ATS.NonCustodial.Application.Impl.Admins
             return result;
         }
 
+        /// <summary>
+        /// 根据身份证号获取电话号码
+        /// </summary>
+        /// <param name="phone"></param>
+        /// <returns></returns>
+        public async Task<IResultOutput> GetPhoneByIDCard(string idCard)
+        {
+            var user = await _appUserRepository.FindAsync(a => a.ChatPersonType == ChatPersonTypeEnum.SupervisedPerson && a.IdCard == idCard);
+            return ResultOutput.Ok(user?.Phone);
+        }
+
         #region Private
 
         /// <summary>
diff --git a/src/2.services/ATS.NonCustodial.Application/Impl/Admins/SMSService.cs b/src/2.services/ATS.NonCustodial.Application/Impl/Admins/SMSService.cs
new file mode 100644
index 0000000..c868967
--- /dev/null
+++ b/src/2.services/ATS.NonCustodial.Application/Impl/Admins/SMSService.cs
@@ -0,0 +1,170 @@
+using ATS.NonCustodial.Application.Base;
+using ATS.NonCustodial.Application.Contracts.Interfaces.Admins.Auth;
+using ATS.NonCustodial.Application.Contracts.Interfaces.Admins.Auth.Input;
+using ATS.NonCustodial.Application.Contracts.Interfaces.Admins.Auth.Output;
+using ATS.NonCustodial.Application.Contracts.Interfaces.Admins.SMS;
+using ATS.NonCustodial.Application.Contracts.Interfaces.Admins.User;
+using ATS.NonCustodial.Application.Contracts.Interfaces.Logs.LoginLog.Input;
+using ATS.NonCustodial.Domain.Entities.Admins;
+using ATS.NonCustodial.Domain.Entities.Business;
+using ATS.NonCustodial.Domain.Entities.Business.EarlyWarning;
+using ATS.NonCustodial.Domain.Shared.Enums;
+using ATS.NonCustodial.Domain.Shared.OrmRepositories.Basic.EfCore;
+using ATS.NonCustodial.DynamicApi;
+using ATS.NonCustodial.DynamicApi.Attributes;
+using ATS.NonCustodial.Shared.Captcha.Dto;
+using ATS.NonCustodial.Shared.Common.Attributes;
+using ATS.NonCustodial.Shared.Common.Auth;
+using ATS.NonCustodial.Shared.Common.Constants;
+using ATS.NonCustodial.Shared.Common.Dtos;
+using ATS.NonCustodial.Shared.Common.Enums;
+using ATS.NonCustodial.Shared.Common.UnifiedResults;
+using ATS.NonCustodial.Shared.Configurations.Options;
+using ATS.NonCustodial.Shared.Extensions;
+using ATS.NonCustodial.Shared.Helpers;
+using ATS.NonCustodial.Shared.Helpers.Core.Hash;
+using ATS.NonCustodial.Shared.Helpers.Http;
+using ATS.NonCustodial.Shared.Tools.Captcha;
+using Microsoft.AspNetCore.Authorization;
+using Microsoft.AspNetCore.Cors;
+using Microsoft.AspNetCore.Mvc;
+using Microsoft.AspNetCore.Mvc.ModelBinding;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.Extensions.Logging;
+using Newtonsoft.Json;
+using NPOI.SS.Formula.Functions;
+using NPOI.Util;
+using StackExchange.Profiling;
+using System.Diagnostics;
+using System.Security.Claims;
+using static System.Runtime.InteropServices.JavaScript.JSType;
+
+namespace ATS.NonCustodial.Application.Impl.Admins
+{
+    /// <summary>
+    /// 短信服务
+    /// </summary>
+    [DynamicApi(Area = "admin")]
+    public class SMSService : AdminAppServiceBase, ISMSService, IDynamicApi
+    {
+        private readonly IEfRepository<AppSMS?, long> _appSMSRepository;
+
+        public SMSService(
+            IEfRepository<AppSMS?, long> appSMSRepository)
+        {
+            _appSMSRepository = appSMSRepository;
+        }
+
+        /// <summary>
+        /// 发送验证码
+        /// </summary>
+        /// <param name="phone"></param>
+        /// <param name="ipAddress"></param>
+        /// <param name="type"></param>
+        /// <returns></returns>
+        [HttpGet]
+        [AllowAnonymous]
+        public async Task<IResultOutput> SendCheckCodeSMS(string phone, string ipAddress = "", string type = "CheckCode")
+        {
+            // 检查是否可以发送（一分钟内只能发送一次）
+            if (!await CanSendCodeAsync(phone))
+            {
+                return ResultOutput.NotOk("请求过于频繁，请稍后再试");
+            }
+
+            // 生成随机验证码（6位数字）
+            var random = new Random();
+            var code = random.Next(100000, 999999).ToString();
+
+            // 创建验证码记录
+            var addSMS = new AppSMS
+            {
+                phone = phone,
+                code = code,
+                sendTime = DateTime.UtcNow,
+                expiresTime = DateTime.UtcNow.AddMinutes(5), // 5分钟有效期
+                ipAddress = ipAddress,
+                type = type
+            };
+
+            // 发送短信
+            var sendResult = SendSMS(phone, code);
+            if (!sendResult)
+            {
+                return ResultOutput.NotOk("短信发送失败，请稍后重试");
+            }
+
+            var sms = await _appSMSRepository.InsertAsync(addSMS);
+
+            return ResultOutput.Ok(true);
+        }
+
+        /// <summary>
+        /// 校验验证码
+        /// </summary>
+        /// <param name="phoneNumber"></param>
+        /// <param name="code"></param>
+        /// <param name="type"></param>
+        /// <returns></returns>
+        public async Task<bool> CheckCodeAsync(string phoneNumber, string code, string type = "default")
+        {
+            var now = DateTime.UtcNow;
+
+            // 查找有效的验证码
+            var validCode = await _appSMSRepository.AsQueryable()
+                .Where(v => v.phone == phoneNumber
+                    && v.code == code
+                    && v.type == type
+                    && !v.isUsed
+                    && v.expiresTime > now)
+                .OrderByDescending(v => v.sendTime)
+                .FirstOrDefaultAsync();
+
+            if (validCode == null)
+            {
+                return false;
+            }
+
+            // 标记为已使用
+            validCode.isUsed = true;
+            validCode.useTime = now;
+            await _appSMSRepository.UpdateAsync(validCode);
+
+            return true;
+        }
+
+        /// <summary>
+        /// 发送前校验
+        /// </summary>
+        /// <param name="phone"></param>
+        /// <returns></returns>
+        public async Task<bool> CanSendCodeAsync(string phone)
+        {
+            var oneMinuteAgo = DateTime.UtcNow.AddMinutes(-1);
+
+            // 检查一分钟内是否有发送记录
+            var recentCode = await _appSMSRepository.AsQueryable()
+                .Where(v => v.phone == phone
+                    && v.sendTime > oneMinuteAgo)
+                .OrderByDescending(v => v.sendTime)
+                .FirstOrDefaultAsync();
+
+            return recentCode == null;
+        }
+
+        #region Private
+
+        /// <summary>
+        /// 发送短信
+        /// </summary>
+        /// <param name="phone"></param>
+        /// <param name="msg"></param>
+        /// <returns></returns>
+        private bool SendSMS(string phone, string msg)
+        {
+            return true;
+        }
+
+        #endregion
+    }
+}
diff --git a/src/3.contracts/ATS.NonCustodial.Application.Contracts/Interfaces/Admins/Auth/IAuthService.cs b/src/3.contracts/ATS.NonCustodial.Application.Contracts/Interfaces/Admins/Auth/IAuthService.cs
index 74a736e..9c56d63 100644
--- a/src/3.contracts/ATS.NonCustodial.Application.Contracts/Interfaces/Admins/Auth/IAuthService.cs
+++ b/src/3.contracts/ATS.NonCustodial.Application.Contracts/Interfaces/Admins/Auth/IAuthService.cs
@@ -79,5 +79,12 @@ namespace ATS.NonCustodial.Application.Contracts.Interfaces.Admins.Auth
         /// <param name="user">用户信息</param>
         /// <returns></returns>
         Task<string> GetToken(AuthLoginOutput? user);
+
+        /// <summary>
+        /// 根据身份证号获取电话号码
+        /// </summary>
+        /// <param name="phone"></param>
+        /// <returns></returns>
+        Task<IResultOutput> GetPhoneByIDCard(string idCard);
     }
 }
\ No newline at end of file
diff --git a/src/3.contracts/ATS.NonCustodial.Application.Contracts/Interfaces/Admins/SMS/ISMSService.cs b/src/3.contracts/ATS.NonCustodial.Application.Contracts/Interfaces/Admins/SMS/ISMSService.cs
new file mode 100644
index 0000000..f9d3fcd
--- /dev/null
+++ b/src/3.contracts/ATS.NonCustodial.Application.Contracts/Interfaces/Admins/SMS/ISMSService.cs
@@ -0,0 +1,36 @@
+using ATS.NonCustodial.Application.Contracts.Interfaces.Admins.Auth.Input;
+using ATS.NonCustodial.Application.Contracts.Interfaces.Admins.Auth.Output;
+using ATS.NonCustodial.Domain.Shared.Enums;
+using ATS.NonCustodial.Shared.Captcha.Dto;
+using ATS.NonCustodial.Shared.Common.Dtos;
+using ATS.NonCustodial.Shared.Common.UnifiedResults;
+
+namespace ATS.NonCustodial.Application.Contracts.Interfaces.Admins.SMS
+{
+    public interface ISMSService
+    {
+        /// <summary>
+        /// 发送验证码
+        /// </summary>
+        /// <param name="phone"></param>
+        /// <returns></returns>
+        Task<IResultOutput> SendCheckCodeSMS(string phone, string ipAddress = "", string type = "CheckCode");
+
+        /// <summary>
+        /// 校验验证码
+        /// </summary>
+        /// <param name="phoneNumber"></param>
+        /// <param name="code"></param>
+        /// <param name="type"></param>
+        /// <returns></returns>
+        Task<bool> CheckCodeAsync(string phoneNumber, string code, string type = "default");
+
+
+        /// <summary>
+        /// 发送前校验
+        /// </summary>
+        /// <param name="phone"></param>
+        /// <returns></returns>
+        Task<bool> CanSendCodeAsync(string phone);
+    }
+}