diff --git a/IRaCIS.Core.Application/Service/Document/SystemDocumentService.cs b/IRaCIS.Core.Application/Service/Document/SystemDocumentService.cs
index fc4b1efa1..4d3003ad9 100644
--- a/IRaCIS.Core.Application/Service/Document/SystemDocumentService.cs
+++ b/IRaCIS.Core.Application/Service/Document/SystemDocumentService.cs
@@ -7,6 +7,7 @@
 using Microsoft.AspNetCore.Mvc;
 using IRaCIS.Core.Application.Contracts;
 using User = IRaCIS.Core.Domain.Models.User;
+using DocumentFormat.OpenXml.Office2010.Word;
 
 namespace IRaCIS.Core.Application.Services
 {
@@ -19,14 +20,16 @@ namespace IRaCIS.Core.Application.Services
 
         private readonly IRepository<SystemDocument> _systemDocumentRepository;
         private readonly IRepository<SystemDocNeedConfirmedUserType> _systemDocNeedConfirmedUserTypeRepository;
+        private readonly IRepository<SystemDocConfirmedUser> _systemDocConfirmedUserRepository;
 
         public SystemDocumentService( IRepository<SystemDocument> systemDocumentRepository,
-            IRepository<SystemDocNeedConfirmedUserType> systemDocNeedConfirmedUserTypeRepository
-            )
+            IRepository<SystemDocNeedConfirmedUserType> systemDocNeedConfirmedUserTypeRepository,
+            IRepository<SystemDocConfirmedUser> systemDocConfirmedUserRepository)
         {
             _systemDocumentRepository = systemDocumentRepository;
             this._systemDocNeedConfirmedUserTypeRepository = systemDocNeedConfirmedUserTypeRepository;
-        }
+            _systemDocConfirmedUserRepository = systemDocConfirmedUserRepository;
+            }
 
 
 
@@ -109,6 +112,22 @@ namespace IRaCIS.Core.Application.Services
 
         }
 
+        [HttpDelete("{systemDocumentId:guid}")]
+        public async Task<IResponseOutput> AbandonSystemDocumentAsync(Guid systemDocumentId)
+        {
+
+            await _systemDocumentRepository.UpdatePartialFromQueryAsync(systemDocumentId, u => new SystemDocument() { IsDeleted = true });
+
+            await _systemDocConfirmedUserRepository.UpdatePartialFromQueryAsync(x => x.SystemDocumentId == systemDocumentId, x => new SystemDocConfirmedUser()
+            {
+                IsDeleted = true
+            });
+
+            await _systemDocConfirmedUserRepository.SaveChangesAsync();
+            return ResponseOutput.Result(true);
+        }
+
+
 
         [HttpDelete("{systemDocumentId:guid}")]
         public async Task<IResponseOutput> DeleteSystemDocumentAsync(Guid systemDocumentId)
diff --git a/IRaCIS.Core.Domain/Allocation/VisitTask.cs b/IRaCIS.Core.Domain/Allocation/VisitTask.cs
index 1135e0088..263ac8f46 100644
--- a/IRaCIS.Core.Domain/Allocation/VisitTask.cs
+++ b/IRaCIS.Core.Domain/Allocation/VisitTask.cs
@@ -489,11 +489,11 @@ namespace IRaCIS.Core.Domain.Models
         /// <summary>
         /// PI不认同
         /// </summary>
-        PIAgree = 1,
+        PINotAgree  = 1,
 
         /// <summary>
         /// PI认同
         /// </summary>
-        PINotAgree = 2
+        PIAgree = 2
     }
 }