diff --git a/IRaCIS.Core.Application/Service/Visit/PatientService.cs b/IRaCIS.Core.Application/Service/Visit/PatientService.cs
index 12e223e5e..ae1c0a861 100644
--- a/IRaCIS.Core.Application/Service/Visit/PatientService.cs
+++ b/IRaCIS.Core.Application/Service/Visit/PatientService.cs
@@ -3078,7 +3078,7 @@ namespace IRaCIS.Application.Services
                 //看当前前端有没有传递modality，有的话以前端为准，没有的话以配置为准 构造同样数量的请求
                 var requestModalityList = (inQuery.ModalitiesInStudyList != null && inQuery.ModalitiesInStudyList.Count > 0) ? inQuery.ModalitiesInStudyList : find.ModalityList;
 
-               
+
 
 
                 if (inQuery.TrialId == null)
@@ -3119,7 +3119,7 @@ namespace IRaCIS.Application.Services
                             await client.AddRequestAsync(request);
                         }
                     }
-               
+
                     await client.SendAsync();
                 }
                 else
@@ -3227,6 +3227,11 @@ namespace IRaCIS.Application.Services
                     result = result.Where(t => t.IsStudyExist == false).ToList();
                 }
 
+                //查询的时候不支持多模态的可以去重一下，支持多模态的本身处理了分组过滤也不影响
+
+                result = result.GroupBy(t => t.StudyInstanceUID).Select(g => g.First()).ToList();
+
+
             }