diff --git a/IRaCIS.Core.Application/Service/Document/TrialDocumentService.cs b/IRaCIS.Core.Application/Service/Document/TrialDocumentService.cs
index 9da81b37c..036068532 100644
--- a/IRaCIS.Core.Application/Service/Document/TrialDocumentService.cs
+++ b/IRaCIS.Core.Application/Service/Document/TrialDocumentService.cs
@@ -135,7 +135,7 @@ namespace IRaCIS.Core.Application.Services
                     Asc = inDto.Asc,
                     IsSign = false,
                     SortField = inDto.SortField,
-                    TrialId = inDto.TrialId,
+                    TrialId = inDto.TrialId.Value,
                     PageIndex = 1,
                     PageSize = 1,
                 })).Data;