diff --git a/IRaCIS.Core.Application/Service/Document/DTO/SystemDocumentViewModel.cs b/IRaCIS.Core.Application/Service/Document/DTO/SystemDocumentViewModel.cs
index 0f001cccb..cefd27089 100644
--- a/IRaCIS.Core.Application/Service/Document/DTO/SystemDocumentViewModel.cs
+++ b/IRaCIS.Core.Application/Service/Document/DTO/SystemDocumentViewModel.cs
@@ -42,7 +42,7 @@ namespace IRaCIS.Core.Application.Contracts
 
         public Guid? ConfirmUserId { get; set; }
 
-        public bool IsConfirmed { get; set; }
+        public bool IsConfirmed => ConfirmTime != null;
 
         public string UserName { get; set; } = string.Empty;
 
diff --git a/IRaCIS.Core.Application/Service/Document/TrialDocumentService.cs b/IRaCIS.Core.Application/Service/Document/TrialDocumentService.cs
index 31425bf20..d4309f64f 100644
--- a/IRaCIS.Core.Application/Service/Document/TrialDocumentService.cs
+++ b/IRaCIS.Core.Application/Service/Document/TrialDocumentService.cs
@@ -194,7 +194,7 @@ namespace IRaCIS.Core.Application.Services
 
                                               FullFilePath = needConfirmedUserType.SystemDocument.Path,
 
-                                              IsConfirmed = confirm.ConfirmTime != null,
+                                              //IsConfirmed = confirm.ConfirmTime != null,
                                               ConfirmUserId = confirm.ConfirmUserId,
                                               ConfirmTime = confirm.ConfirmTime,
                                               RealName = trialUser.User.FullName,
@@ -226,7 +226,7 @@ namespace IRaCIS.Core.Application.Services
                                         UpdateTime = trialDoc.UpdateTime,
                                         SignViewMinimumMinutes = trialDoc.SignViewMinimumMinutes,
 
-                                        IsConfirmed = confirm.ConfirmTime != null,
+                                        //IsConfirmed = confirm.ConfirmTime != null,
                                         ConfirmUserId = confirm.ConfirmUserId,
                                         ConfirmTime = confirm.ConfirmTime,
                                         RealName = trialUser.User.FullName,
@@ -362,7 +362,7 @@ namespace IRaCIS.Core.Application.Services
                                     FileTypeId = trialDocumentNeedConfirmedUserType.TrialDocument.FileTypeId,
                                     FileType = _userInfo.IsEn_Us ? trialDocumentNeedConfirmedUserType.TrialDocument.FileType.Value : trialDocumentNeedConfirmedUserType.TrialDocument.FileType.ValueCN,
                                     UpdateTime = trialDocumentNeedConfirmedUserType.TrialDocument.UpdateTime,
-                                    IsConfirmed= confirm.ConfirmTime!=null,
+                                    //IsConfirmed= confirm.ConfirmTime!=null,
 
 
 
@@ -398,7 +398,7 @@ namespace IRaCIS.Core.Application.Services
                                      FileType = _userInfo.IsEn_Us ? needConfirmEdUserType.SystemDocument.FileType.Value : needConfirmEdUserType.SystemDocument.FileType.ValueCN,
                                      FileTypeId = needConfirmEdUserType.SystemDocument.FileTypeId,
                                      UpdateTime = needConfirmEdUserType.SystemDocument.UpdateTime,
-									 IsConfirmed = confirm.ConfirmTime != null,
+									 //IsConfirmed = confirm.ConfirmTime != null,
 
 									 ConfirmUserId = confirm.ConfirmUserId,
                                      ConfirmTime = confirm.ConfirmTime,
@@ -413,8 +413,9 @@ namespace IRaCIS.Core.Application.Services
             var unionQuery = trialDocQuery.Union(systemDocQuery)
                 .WhereIf(!string.IsNullOrEmpty(querySystemDocument.Name), t => t.Name.Contains(querySystemDocument.Name))
                 .WhereIf(querySystemDocument.FileTypeId != null, t => t.FileTypeId == querySystemDocument.FileTypeId)
-				.WhereIf(querySystemDocument.IsConfirmed != null, t => t.IsConfirmed == querySystemDocument.IsConfirmed)
-				.WhereIf(querySystemDocument.IsDeleted != null, t => t.IsDeleted == querySystemDocument.IsDeleted)
+				.WhereIf(querySystemDocument.IsConfirmed == true, t => t.ConfirmTime != null)
+                .WhereIf(querySystemDocument.IsConfirmed == false, t => t.ConfirmTime == null)
+                .WhereIf(querySystemDocument.IsDeleted != null, t => t.IsDeleted == querySystemDocument.IsDeleted)
 				.WhereIf(querySystemDocument.UserTypeId != null, t => t.UserTypeId == querySystemDocument.UserTypeId);
 
             var result = await unionQuery.ToPagedListAsync(querySystemDocument.PageIndex, querySystemDocument.PageSize, querySystemDocument.SortField, querySystemDocument.Asc);