diff --git a/IRaCIS.Core.Application/Service/Doctor/AttachmentService.cs b/IRaCIS.Core.Application/Service/Doctor/AttachmentService.cs
index ddc1f5ddd..32fde311f 100644
--- a/IRaCIS.Core.Application/Service/Doctor/AttachmentService.cs
+++ b/IRaCIS.Core.Application/Service/Doctor/AttachmentService.cs
@@ -9,7 +9,7 @@ namespace IRaCIS.Core.Application.Service
     /// 医生文档关联关系维护
     /// </summary>
     [ApiExplorerSettings(GroupName = "Reviewer")]
-    public class AttachmentService(IRepository<Attachment> _attachmentrepository, IMapper _mapper, IUserInfo _userInfo, IStringLocalizer _localizer) : BaseService, IAttachmentService
+    public class AttachmentService(IRepository<Attachment> _attachmentrepository, IRepository<Doctor> _doctorrepository, IMapper _mapper, IUserInfo _userInfo, IStringLocalizer _localizer) : BaseService, IAttachmentService
     {
 
 
@@ -35,6 +35,11 @@ namespace IRaCIS.Core.Application.Service
             //}
 
             var success = await _attachmentrepository.BatchDeleteNoTrackingAsync(a => a.Id == param.Id);
+
+            await _doctorrepository.BatchUpdateNoTrackingAsync(x => x.GCPId == param.Id, x => new Doctor()
+            {
+                GCPId= default(Guid),
+            });
             return ResponseOutput.Result(success);
         }