diff --git a/IRaCIS.Core.Application/Service/Visit/PatientService.cs b/IRaCIS.Core.Application/Service/Visit/PatientService.cs
index e86bd1c4f..c70ba0423 100644
--- a/IRaCIS.Core.Application/Service/Visit/PatientService.cs
+++ b/IRaCIS.Core.Application/Service/Visit/PatientService.cs
@@ -3049,7 +3049,8 @@ namespace IRaCIS.Application.Services
             var dic = new Dictionary<string, object>();
             foreach (var item in inCommand.StudyInstanceUIDList)
             {
-                dic.Add(item, existStudyIdList.Any(t => t.StudyInstanceUid == item) ? item : string.Empty);
+                var find = existStudyIdList.FirstOrDefault(t => t.StudyInstanceUid == item);
+                dic.Add(item, find == null ? string.Empty : find);
             }
 
             return dic;