diff --git a/IRaCIS.Core.Application/IRaCIS.Core.Application.xml b/IRaCIS.Core.Application/IRaCIS.Core.Application.xml
index 59aee3afa..b583430a9 100644
--- a/IRaCIS.Core.Application/IRaCIS.Core.Application.xml
+++ b/IRaCIS.Core.Application/IRaCIS.Core.Application.xml
@@ -16992,11 +16992,32 @@
             SystemDocumentService
             </summary>	
         </member>
-        <member name="M:IRaCIS.Core.Application.Services.SystemDocumentService.#ctor(IRaCIS.Core.Infra.EFCore.IRepository{IRaCIS.Core.Domain.Models.SystemDocument},IRaCIS.Core.Infra.EFCore.IRepository{IRaCIS.Core.Domain.Models.UserRole},IRaCIS.Core.Infra.EFCore.IRepository{IRaCIS.Core.Domain.Models.IdentityUser},IRaCIS.Core.Infra.EFCore.IRepository{IRaCIS.Core.Domain.Models.SystemDocConfirmedIdentityUser},AutoMapper.IMapper,IRaCIS.Core.Domain.Share.IUserInfo,Microsoft.Extensions.Localization.IStringLocalizer)">
+        <member name="M:IRaCIS.Core.Application.Services.SystemDocumentService.#ctor(IRaCIS.Core.Infra.EFCore.IRepository{IRaCIS.Core.Domain.Models.SystemDocument},IRaCIS.Core.Infra.EFCore.IRepository{IRaCIS.Core.Domain.Models.UserRole},IRaCIS.Core.Infra.EFCore.IRepository{IRaCIS.Core.Domain.Models.SystemDocumentAttachment},IRaCIS.Core.Infra.EFCore.IRepository{IRaCIS.Core.Domain.Models.IdentityUser},IRaCIS.Core.Infra.EFCore.IRepository{IRaCIS.Core.Domain.Models.SystemDocConfirmedIdentityUser},AutoMapper.IMapper,IRaCIS.Core.Domain.Share.IUserInfo,Microsoft.Extensions.Localization.IStringLocalizer)">
             <summary>
             SystemDocumentService
             </summary>	
         </member>
+        <member name="M:IRaCIS.Core.Application.Services.SystemDocumentService.GetSystemDocumentAttachmentList(IRaCIS.Core.Application.Contracts.SystemDocumentAttachmentQuery)">
+            <summary>
+            获取系统文档附件
+            </summary>
+            <param name="inQuery"></param>
+            <returns></returns>
+        </member>
+        <member name="M:IRaCIS.Core.Application.Services.SystemDocumentService.AddOrUpdateSystemDocumentAttachment(IRaCIS.Core.Application.Contracts.SystemDocumentAttachmentAddOrEdit)">
+            <summary>
+            新增或编辑系统文档附件
+            </summary>
+            <param name="addOrEditSystemDocumentAttachment"></param>
+            <returns></returns>
+        </member>
+        <member name="M:IRaCIS.Core.Application.Services.SystemDocumentService.DeleteSystemDocumentAttachment(System.Guid)">
+            <summary>
+            删除系统文档附件
+            </summary>
+            <param name="systemDocumentAttachmentId"></param>
+            <returns></returns>
+        </member>
         <member name="M:IRaCIS.Core.Application.Services.SystemDocumentService.GetSystemDocumentListAsync(IRaCIS.Core.Application.Contracts.SystemDocumentQuery)">
             <summary>
             管理端列表
diff --git a/IRaCIS.Core.Application/Service/Document/DTO/SystemDocumentViewModel.cs b/IRaCIS.Core.Application/Service/Document/DTO/SystemDocumentViewModel.cs
index 776891288..61d9c46e7 100644
--- a/IRaCIS.Core.Application/Service/Document/DTO/SystemDocumentViewModel.cs
+++ b/IRaCIS.Core.Application/Service/Document/DTO/SystemDocumentViewModel.cs
@@ -8,6 +8,49 @@ using System.ComponentModel.DataAnnotations;
 
 namespace IRaCIS.Core.Application.Contracts
 {
+    public class SystemDocumentAttachmentView : SystemDocumentAttachmentAddOrEdit
+    {
+
+        public DateTime CreateTime { get; set; }
+
+        public DateTime UpdateTime { get; set; }
+
+    }
+
+
+    public class SystemDocumentAttachmentAddOrEdit
+    {
+        public Guid? Id { get; set; }
+
+        public string FileFormat { get; set; }
+
+        public string FileName { get; set; }
+
+        public string FilePath { get; set; }
+
+        public decimal? FileSize { get; set; }
+
+        public bool OffLine { get; set; }
+
+        public Guid SystemDocumentId { get; set; }
+    }
+
+    public class SystemDocumentAttachmentQuery : PageInput
+    {
+        public string? FileFormat { get; set; }
+
+        public string? FileName { get; set; }
+
+        public string? FilePath { get; set; }
+
+        public decimal? FileSize { get; set; }
+
+        public bool? OffLine { get; set; }
+
+        public Guid? SystemDocumentId { get; set; }
+    }
+
+
     /// <summary> SystemDocumentView  列表视图模型 </summary>
     public class SystemDocumentView : SystemDocumentAddOrEdit
     {
diff --git a/IRaCIS.Core.Application/Service/Document/Interface/ISystemDocumentService.cs b/IRaCIS.Core.Application/Service/Document/Interface/ISystemDocumentService.cs
index 4b4c530e4..ecab216e5 100644
--- a/IRaCIS.Core.Application/Service/Document/Interface/ISystemDocumentService.cs
+++ b/IRaCIS.Core.Application/Service/Document/Interface/ISystemDocumentService.cs
@@ -27,6 +27,13 @@ namespace IRaCIS.Core.Application.Contracts
         Task<PageOutput<UnionDocumentWithConfirmInfoView>> getWaitSignSysDocList(SystemDocumentQuery querySystemDocument);
 
 
+        Task<PageOutput<SystemDocumentAttachmentView>> GetSystemDocumentAttachmentList(SystemDocumentAttachmentQuery inQuery);
+
+        Task<IResponseOutput> AddOrUpdateSystemDocumentAttachment(SystemDocumentAttachmentAddOrEdit addOrEditSystemDocumentAttachment);
+
+        Task<IResponseOutput> DeleteSystemDocumentAttachment(Guid systemDocumentAttachmentId);
+
+
 
 
     }
diff --git a/IRaCIS.Core.Application/Service/Document/SystemDocumentService.cs b/IRaCIS.Core.Application/Service/Document/SystemDocumentService.cs
index 27342add0..d3490fa7b 100644
--- a/IRaCIS.Core.Application/Service/Document/SystemDocumentService.cs
+++ b/IRaCIS.Core.Application/Service/Document/SystemDocumentService.cs
@@ -16,12 +16,59 @@ namespace IRaCIS.Core.Application.Services
     [ApiExplorerSettings(GroupName = "Trial")]
     public class SystemDocumentService(IRepository<SystemDocument> _systemDocumentRepository,
         IRepository<UserRole> _userRoleRepository,
+        IRepository<SystemDocumentAttachment> _systemDocumentAttachmentRepository,
           IRepository<IdentityUser> _identityUserRepository,
         IRepository<SystemDocConfirmedIdentityUser> _systemDocConfirmedUserRepository, IMapper _mapper, IUserInfo _userInfo, IStringLocalizer _localizer) : BaseService, ISystemDocumentService
     {
 
+        /// <summary>
+        /// 获取系统文档附件
+        /// </summary>
+        /// <param name="inQuery"></param>
+        /// <returns></returns>
+        [HttpPost]
+        public async Task<PageOutput<SystemDocumentAttachmentView>> GetSystemDocumentAttachmentList(SystemDocumentAttachmentQuery inQuery)
+        {
+
+            var systemDocumentAttachmentQueryable = _systemDocumentAttachmentRepository
+                        .WhereIf(inQuery.SystemDocumentId != null, t => t.SystemDocumentId == inQuery.SystemDocumentId)
+                              .WhereIf(inQuery.FileName != null, t => t.FileName == inQuery.FileName)
+                                    .WhereIf(inQuery.FileFormat != null, t => t.FileFormat == inQuery.FileFormat)
+                                        .ProjectTo<SystemDocumentAttachmentView>(_mapper.ConfigurationProvider);
+
+            var pageList = await systemDocumentAttachmentQueryable.ToPagedListAsync(inQuery);
+
+            return pageList;
+        }
 
 
+        /// <summary>
+        /// 新增或编辑系统文档附件
+        /// </summary>
+        /// <param name="addOrEditSystemDocumentAttachment"></param>
+        /// <returns></returns>
+        public async Task<IResponseOutput> AddOrUpdateSystemDocumentAttachment(SystemDocumentAttachmentAddOrEdit addOrEditSystemDocumentAttachment)
+        {
+ 
+
+
+            var entity = await _systemDocumentAttachmentRepository.InsertOrUpdateAsync(addOrEditSystemDocumentAttachment, true);
+
+            return ResponseOutput.Ok(entity.Id.ToString());
+
+        }
+
+        /// <summary>
+        /// 删除系统文档附件
+        /// </summary>
+        /// <param name="systemDocumentAttachmentId"></param>
+        /// <returns></returns>
+        [HttpDelete("{systemDocumentAttachmentId:guid}")]
+        public async Task<IResponseOutput> DeleteSystemDocumentAttachment(Guid systemDocumentAttachmentId)
+        {
+            var success = await _systemDocumentAttachmentRepository.DeleteFromQueryAsync(t => t.Id == systemDocumentAttachmentId, true);
+            return ResponseOutput.Ok();
+        }
 
 
         /// <summary>
diff --git a/IRaCIS.Core.Application/Service/Document/_MapConfig.cs b/IRaCIS.Core.Application/Service/Document/_MapConfig.cs
index 88a39c772..0cd170208 100644
--- a/IRaCIS.Core.Application/Service/Document/_MapConfig.cs
+++ b/IRaCIS.Core.Application/Service/Document/_MapConfig.cs
@@ -14,6 +14,12 @@ namespace IRaCIS.Core.Application.Service
 
             var userId = Guid.Empty;
             var isEn_Us = false;
+
+            //  在此处拷贝automapper 映射
+
+            CreateMap<SystemDocumentAttachment, SystemDocumentAttachmentView>();
+            CreateMap<SystemDocumentAttachment, SystemDocumentAttachmentAddOrEdit>().ReverseMap();
+
             CreateMap<AuditDocumentData, AuditDocumentAddOrEdit>();
             //CreateMap<List<AuditDocumentData>, List<AuditDocumentAddOrEdit>>();
             CreateMap<AuditDocument, AuditDocumentView>();