diff --git a/IRaCIS.Core.Application/Service/Visit/PatientService.cs b/IRaCIS.Core.Application/Service/Visit/PatientService.cs
index ac71d95e9..ee1b1a008 100644
--- a/IRaCIS.Core.Application/Service/Visit/PatientService.cs
+++ b/IRaCIS.Core.Application/Service/Visit/PatientService.cs
@@ -3071,14 +3071,18 @@ 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;
 
+                //支持多模态的Pacs
                 var modality = string.Join($"\\", requestModalityList);
 
+
                 if (inQuery.TrialId == null)
                 {
+
+
+
                     //判断前段有没有传递时间
                     if (find.PacsSearchMaxDays != 0)
                     {
@@ -3143,7 +3147,7 @@ namespace IRaCIS.Application.Services
                         }
 
 
-                        var request = CreateStudyRequest(cloneInQuery, modality);
+                        var request = CreateStudyRequest(cloneInQuery, "");
                         request.OnResponseReceived += responseDelegate;
 
                         await client.AddRequestAsync(request);