diff --git a/IRaCIS.Core.API/Controllers/UploadDownLoadController.cs b/IRaCIS.Core.API/Controllers/UploadDownLoadController.cs
index dcd3b0d0a..645e99d4a 100644
--- a/IRaCIS.Core.API/Controllers/UploadDownLoadController.cs
+++ b/IRaCIS.Core.API/Controllers/UploadDownLoadController.cs
@@ -395,16 +395,18 @@ namespace IRaCIS.Core.API.Controllers
         /// </summary>
         /// <param name="trialId"></param>
         /// <returns></returns>
-        [HttpPost("ClinicalData/UploadClinicalTemplate/{trialId:guid}")]
+        [HttpPost("ClinicalData/UploadClinicalTemplate")]
         [DisableRequestSizeLimit]
     
-        public async Task<IResponseOutput<List<FileDto>>> UploadClinicalTemplate(Guid trialId=default(Guid))
+        public async Task<IResponseOutput<List<FileDto>>> UploadClinicalTemplate(Guid? trialId)
         {
+            if(trialId==null)
+                trialId=default(Guid);
             var filerelativePath = string.Empty;
             List<FileDto> fileDtos = new List<FileDto>();
             await FileUploadAsync(async (fileName) =>
             {
-                var (serverFilePath, relativePath, fileRealName) = FileStoreHelper.GetClinicalTemplatePath(_hostEnvironment, fileName, trialId);
+                var (serverFilePath, relativePath, fileRealName) = FileStoreHelper.GetClinicalTemplatePath(_hostEnvironment, fileName, trialId.Value);
                 //插入临床pdf 路径
                 filerelativePath = relativePath;
 
diff --git a/IRaCIS.Core.API/IRaCIS.Core.API.xml b/IRaCIS.Core.API/IRaCIS.Core.API.xml
index d04a542ef..c3467624c 100644
--- a/IRaCIS.Core.API/IRaCIS.Core.API.xml
+++ b/IRaCIS.Core.API/IRaCIS.Core.API.xml
@@ -192,7 +192,7 @@
             <param name="subjectVisitId"></param>
             <returns></returns>
         </member>
-        <member name="M:IRaCIS.Core.API.Controllers.StudyController.UploadClinicalTemplate(System.Guid)">
+        <member name="M:IRaCIS.Core.API.Controllers.StudyController.UploadClinicalTemplate(System.Nullable{System.Guid})">
             <summary>
             上传临床数据模板
             </summary>