diff --git a/common.props b/common.props
index 6dfdd8fe..492bcb09 100644
--- a/common.props
+++ b/common.props
@@ -3,6 +3,7 @@
         <LangVersion>latest</LangVersion>
         <Nullable>enable</Nullable>
         <ImplicitUsings>enable</ImplicitUsings>
+        <NoWarn>$(NoWarn);CS1591;CS0436;NU1803</NoWarn>
 <!--        <WarningsAsErrors>Nullable</WarningsAsErrors>-->
     </PropertyGroup>
 </Project>
diff --git a/src/SJZY.Track.Application/Dtos/ProvideServices/LinkOrderInput.cs b/src/SJZY.Track.Application/Dtos/ProvideServices/LinkOrderInput.cs
index 460c506d..ae3dfd9d 100644
--- a/src/SJZY.Track.Application/Dtos/ProvideServices/LinkOrderInput.cs
+++ b/src/SJZY.Track.Application/Dtos/ProvideServices/LinkOrderInput.cs
@@ -1,15 +1,31 @@
-using SJZY.Track.Domain.Aggregates.OrderAggregate;
+using System.ComponentModel.DataAnnotations;
 
 namespace SJZY.Track.Application.Dtos.ProvideServices;
 
 public class LinkOrderInput
 {
     /// <summary>
-    /// false解绑，true关联，必填
+    /// false解绑，true关联
     /// </summary>
+    [Required]
     public bool IsLink { get; set; }
 
-    public NoInfo NoInfo { get; set; }
+    /// <summary>
+    /// 订单类型，必填
+    /// </summary>
+    [Required]
+    public int OrderType { get; set; }
 
-    public List<NoInfo> LinkedOrderInfos { get; set; }
+    /// <summary>
+    /// 订单号，必填
+    /// </summary>
+    [Required]
+    public string OrderNo { get; set; }
+
+    [Required] public int LinkOrderType { get; set; }
+
+    /// <summary>
+    /// 关联的单号
+    /// </summary>
+    public List<string> LinkOrderNos { get; set; } = new();
 }
\ No newline at end of file
diff --git a/src/SJZY.Track.Application/Services/ProvideServices/OrderService.cs b/src/SJZY.Track.Application/Services/ProvideServices/OrderService.cs
index cb0f68ef..4ebfcc66 100644
--- a/src/SJZY.Track.Application/Services/ProvideServices/OrderService.cs
+++ b/src/SJZY.Track.Application/Services/ProvideServices/OrderService.cs
@@ -71,24 +71,58 @@ public class OrderService : ApplicationService
     [HttpPost("Order/Link")]
     public async Task<bool> LinkOrderAsync(LinkOrderInput input)
     {
-        //todo：去重
-        var distinctOrderInfos = input.LinkedOrderInfos.Distinct().ToList();
-
-        if (await _orderRepository.IsAnyAsync(x => x.IsEqual(input.NoInfo)))
+        if (!await _orderRepository.IsAnyAsync(x => x.OrderType == input.OrderType && x.OrderNo == input.OrderNo))
         {
+            throw new BusinessException(message: $"单号：{input.OrderNo}不存在");
         }
 
-        // var links = input.LinkedOrderInfos.Select(x => new OrderLinkEntity
-        // {
-        //     OrderNo = x.OrderNo,
-        //     OrderType = x.NoType
-        // }).ToList();
-        //
-        // foreach (var link in links)
-        // {
-        //     if (await _orderLinkQuery.IsAnyAsync(x => x.))
-        // }
-        // _orderRepository.LinkOrderAsync();
+        if (input.LinkOrderNos.Count < 1 || input.LinkOrderType == 0) return true;
+
+        // 单号去重
+        input.LinkOrderNos = input.LinkOrderNos.Distinct().ToList();
+
+        // 解绑
+        if (!input.IsLink) return await UnLinkOrderAsync(input);
+
+        // 关联订单
+        return await DoLinkOrderAsync(input);
+    }
+
+    private async Task<bool> DoLinkOrderAsync(LinkOrderInput input)
+    {
+        // 获取已关联的订单
+        var linkOrderNos = await _orderLinkQuery.GetListAsync(x =>
+                x.OrderType == input.OrderType && x.OrderNo == input.OrderNo && x.LinkOrderType == input.LinkOrderType,
+            x => x.LinkOrderNo);
+
+        // 计算出未关联的订单
+        var noLinkOrderNos = input.LinkOrderNos.Except(linkOrderNos);
+
+        // 过滤掉不存在的订单
+        var canLinkOrderNos = await _orderRepository.GetListAsync(x =>
+                x.OrderType == input.LinkOrderType && noLinkOrderNos.Contains(x.OrderNo),
+            x => x.OrderNo);
+
+        await _orderRepository.LinkOrderAsync(canLinkOrderNos.Select(x => new OrderLinkEntity
+        {
+            OrderNo = input.OrderNo,
+            OrderType = input.OrderType,
+            LinkOrderNo = x,
+            LinkOrderType = input.LinkOrderType
+        }).ToList());
+
+        return true;
+    }
+
+    private async Task<bool> UnLinkOrderAsync(LinkOrderInput input)
+    {
+        var unLinkIds = await _orderLinkQuery.GetListAsync(x =>
+                x.OrderType == input.OrderType && x.OrderNo == input.OrderNo &&
+                x.LinkOrderType == input.LinkOrderType && input.LinkOrderNos.Contains(x.LinkOrderNo),
+            x => x.Id);
+
+        // real del
+        await _orderRepository.UnLinkByIdsAsync(unLinkIds);
 
         return true;
     }
diff --git a/src/SJZY.Track.Domain/Aggregates/OrderAggregate/IOrderRepository.cs b/src/SJZY.Track.Domain/Aggregates/OrderAggregate/IOrderRepository.cs
index fb130780..d187933a 100644
--- a/src/SJZY.Track.Domain/Aggregates/OrderAggregate/IOrderRepository.cs
+++ b/src/SJZY.Track.Domain/Aggregates/OrderAggregate/IOrderRepository.cs
@@ -17,4 +17,18 @@ public interface IOrderRepository : IBasicRepository<OrderEntity>
     /// <param name="templateEntities"></param>
     /// <returns></returns>
     Task CreateOrderTemplatesAsync(List<OrderTemplateEntity> templateEntities);
+
+    /// <summary>
+    /// 关联订单
+    /// </summary>
+    /// <param name="orderLinkEntities"></param>
+    /// <returns></returns>
+    Task LinkOrderAsync(List<OrderLinkEntity> orderLinkEntities);
+
+    /// <summary>
+    /// 解除订单关联关系
+    /// </summary>
+    /// <param name="linkIds"></param>
+    /// <returns></returns>
+    Task UnLinkByIdsAsync(List<int> linkIds);
 }
\ No newline at end of file
diff --git a/src/SJZY.Track.Domain/Aggregates/OrderAggregate/OrderEntity.cs b/src/SJZY.Track.Domain/Aggregates/OrderAggregate/OrderEntity.cs
index 2faa141f..e474f40e 100644
--- a/src/SJZY.Track.Domain/Aggregates/OrderAggregate/OrderEntity.cs
+++ b/src/SJZY.Track.Domain/Aggregates/OrderAggregate/OrderEntity.cs
@@ -89,4 +89,15 @@ public struct NoInfo
     [Required]
     [MaxLength(100)]
     public string OrderNo { get; set; }
+
+    public NoInfo(int noType, string orderNo)
+    {
+        NoType = noType;
+        OrderNo = orderNo;
+    }
+
+    public override string ToString()
+    {
+        return $"[订单类型: {NoType}, 订单号: {OrderNo}]";
+    }
 }
\ No newline at end of file
diff --git a/src/SJZY.Track.Repository/OrderRepository.cs b/src/SJZY.Track.Repository/OrderRepository.cs
index 77d83641..9b64b010 100644
--- a/src/SJZY.Track.Repository/OrderRepository.cs
+++ b/src/SJZY.Track.Repository/OrderRepository.cs
@@ -18,4 +18,14 @@ public class OrderRepository : BasicRepository<OrderEntity>, IOrderRepository, I
     {
         await Context.Insertable(templateEntities).ExecuteCommandAsync();
     }
+
+    public async Task LinkOrderAsync(List<OrderLinkEntity> orderLinkEntities)
+    {
+        await Context.Insertable(orderLinkEntities).ExecuteCommandAsync();
+    }
+
+    public async Task UnLinkByIdsAsync(List<int> linkIds)
+    {
+        await Context.Deleteable(linkIds).ExecuteCommandAsync();
+    }
 }
\ No newline at end of file
diff --git a/src/SJZY.Track.Repository/SJZY.Track.Repository.csproj b/src/SJZY.Track.Repository/SJZY.Track.Repository.csproj
index e4341712..d75f4b08 100644
--- a/src/SJZY.Track.Repository/SJZY.Track.Repository.csproj
+++ b/src/SJZY.Track.Repository/SJZY.Track.Repository.csproj
@@ -1,9 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
-
+	<Import Project="../../common.props"/>
 	<PropertyGroup>
 		<TargetFramework>net7.0</TargetFramework>
-		<ImplicitUsings>enable</ImplicitUsings>
-		<Nullable>enable</Nullable>
 		<GenerateDocumentationFile>True</GenerateDocumentationFile>
 	</PropertyGroup>