diff --git a/IRaCIS.Core.Application/Service/TrialSiteUser/PersonalWorkstation.cs b/IRaCIS.Core.Application/Service/TrialSiteUser/PersonalWorkstation.cs
index b38679dc2..e4ae123d9 100644
--- a/IRaCIS.Core.Application/Service/TrialSiteUser/PersonalWorkstation.cs
+++ b/IRaCIS.Core.Application/Service/TrialSiteUser/PersonalWorkstation.cs
@@ -323,7 +323,7 @@ namespace IRaCIS.Core.Application
                         ToBeApprovalCount = t.EnrollList.Where(u => u.EnrollStatus == EnrollStatus.HasCommittedToCRO).Count()
                     });
 
-            var result = await query.ToPagedListAsync(inQuery.PageIndex, inQuery.PageSize, inQuery.SortField, inQuery.Asc);
+            var result = await query.ToPagedListAsync(inQuery.PageIndex, inQuery.PageSize, string.IsNullOrEmpty(inQuery.SortField) ? nameof(ReviewerSelectToBeDoneDto.TrialId) : inQuery.SortField, inQuery.Asc);
 
             var toBeApprovalCount = await _enrollRepository.Where(t => t.Trial.TrialUserList.Any(t => t.UserId == _userInfo.Id))
                 .Where(u => u.EnrollStatus == EnrollStatus.HasCommittedToCRO).CountAsync();
@@ -361,7 +361,7 @@ namespace IRaCIS.Core.Application
                 });
 
 
-            var result = await query.ToPagedListAsync(inQuery.PageIndex, inQuery.PageSize, inQuery.SortField, inQuery.Asc);
+            var result = await query.ToPagedListAsync(inQuery.PageIndex, inQuery.PageSize, string.IsNullOrEmpty(inQuery.SortField) ? nameof(ReReadingApprovalToBeDoneDto.TrialId) : inQuery.SortField, inQuery.Asc);
 
             var toBeApprovalCount = _visitTaskReReadingRepository
                  .Where(t => t.OriginalReReadingTask.Trial.TrialUserList.Any(t => t.UserId == _userInfo.Id))
@@ -403,7 +403,7 @@ namespace IRaCIS.Core.Application
 
                 });
 
-            var result = await query.ToPagedListAsync(inQuery.PageIndex, inQuery.PageSize, inQuery.SortField, inQuery.Asc);
+            var result = await query.ToPagedListAsync(inQuery.PageIndex, inQuery.PageSize, string.IsNullOrEmpty(inQuery.SortField) ? nameof(ImageClinicalDataToBeDoneDto.TrialId) : inQuery.SortField, inQuery.Asc);
 
             var toBeDealedCount = _subjectVisitRepository
                  .Where(t => t.Trial.TrialUserList.Any(t => t.UserId == _userInfo.Id) && t.Trial.clinicalDataTrialSets.Any(t => t.ClinicalDataLevel == ClinicalLevel.Subject && t.IsConfirm))
@@ -450,7 +450,7 @@ namespace IRaCIS.Core.Application
 
                 });
 
-            var result = await query.ToPagedListAsync(inQuery.PageIndex, inQuery.PageSize, inQuery.SortField, inQuery.Asc);
+            var result = await query.ToPagedListAsync(inQuery.PageIndex, inQuery.PageSize, string.IsNullOrEmpty(inQuery.SortField) ? nameof(ImageQuestionToBeDoneDto.TrialId) : inQuery.SortField, inQuery.Asc);
 
             var toBeDealedCount = _subjectVisitRepository
                   .Where(t => t.Trial.TrialUserList.Any(t => t.UserId == _userInfo.Id))
@@ -494,7 +494,7 @@ namespace IRaCIS.Core.Application
 
 
 
-            var result = await query.ToPagedListAsync(inQuery.PageIndex, inQuery.PageSize, inQuery.SortField, inQuery.Asc);
+            var result = await query.ToPagedListAsync(inQuery.PageIndex, inQuery.PageSize, string.IsNullOrEmpty(inQuery.SortField) ? nameof(ImageCheckQuestionToBeDoneDto.TrialId) : inQuery.SortField, inQuery.Asc);
 
             var toBeDealedCount = _subjectVisitRepository
                   .Where(t => t.Trial.TrialUserList.Any(t => t.UserId == _userInfo.Id))
@@ -537,7 +537,7 @@ namespace IRaCIS.Core.Application
 
                 });
 
-            var result = await query.ToPagedListAsync(inQuery.PageIndex, inQuery.PageSize, inQuery.SortField, inQuery.Asc);
+            var result = await query.ToPagedListAsync(inQuery.PageIndex, inQuery.PageSize, string.IsNullOrEmpty(inQuery.SortField) ? nameof(ImageReUploadToBeDoneDto.TrialId) : inQuery.SortField, inQuery.Asc);
 
             var toBeDealedCount = _subjectVisitRepository
                   .Where(t => t.Trial.TrialUserList.Any(t => t.UserId == _userInfo.Id))
@@ -581,7 +581,7 @@ namespace IRaCIS.Core.Application
 
                 });
 
-            var result = await query.ToPagedListAsync(inQuery.PageIndex, inQuery.PageSize, inQuery.SortField, inQuery.Asc);
+            var result = await query.ToPagedListAsync(inQuery.PageIndex, inQuery.PageSize, string.IsNullOrEmpty(inQuery.SortField) ? nameof(ImageSubmittedToBeDoneDto.TrialId) : inQuery.SortField, inQuery.Asc);
 
             var toBeDealedCount = _subjectVisitRepository
                   .Where(t => t.Trial.TrialUserList.Any(t => t.UserId == _userInfo.Id))
@@ -634,7 +634,7 @@ namespace IRaCIS.Core.Application
 
                 });
 
-            var result = await query.ToPagedListAsync(inQuery.PageIndex, inQuery.PageSize, inQuery.SortField, inQuery.Asc);
+            var result = await query.ToPagedListAsync(inQuery.PageIndex, inQuery.PageSize, string.IsNullOrEmpty(inQuery.SortField) ? nameof(ImageQualityToBeDoneDto.TrialId) : inQuery.SortField, inQuery.Asc);
 
 
             var toBeClaimedCount = _subjectVisitRepository
@@ -679,7 +679,7 @@ namespace IRaCIS.Core.Application
 
                 });
 
-            var result = await query.ToPagedListAsync(inQuery.PageIndex, inQuery.PageSize, inQuery.SortField, inQuery.Asc);
+            var result = await query.ToPagedListAsync(inQuery.PageIndex, inQuery.PageSize, string.IsNullOrEmpty(inQuery.SortField) ? nameof(ImageQuestionToBeDoneDto.TrialId) : inQuery.SortField, inQuery.Asc);
 
             var toBeDealedCount = _subjectVisitRepository
                   .Where(t => t.Trial.TrialUserList.Any(t => t.UserId == _userInfo.Id))
@@ -879,7 +879,7 @@ namespace IRaCIS.Core.Application
 
                 });
 
-            var result = await query.ToPagedListAsync(inQuery.PageIndex, inQuery.PageSize, inQuery.SortField, inQuery.Asc);
+            var result = await query.ToPagedListAsync(inQuery.PageIndex, inQuery.PageSize, string.IsNullOrEmpty(inQuery.SortField) ? nameof(MedicalCommentsToBeDoneDto.TrialId) : inQuery.SortField, inQuery.Asc);
 
             var toBeDealedCount = _taskMedicalReviewRepository
                 .Where(t => t.Trial.TrialUserList.Any(t => t.UserId == _userInfo.Id))
@@ -939,7 +939,7 @@ namespace IRaCIS.Core.Application
 
                 });
 
-            var result = await query.ToPagedListAsync(inQuery.PageIndex, inQuery.PageSize, inQuery.SortField, inQuery.Asc);
+            var result = await query.ToPagedListAsync(inQuery.PageIndex, inQuery.PageSize, string.IsNullOrEmpty(inQuery.SortField) ? nameof(MedicalCommentsToBeDoneDto.TrialId) : inQuery.SortField, inQuery.Asc);
 
             var toBeReplyedQuery = _taskMedicalReviewRepository
                   .Where(t => t.Trial.TrialUserList.Any(t => t.UserId == _userInfo.Id))