diff --git a/IRaCIS.Core.Application/Service/Common/TrialImageDownloadService.cs b/IRaCIS.Core.Application/Service/Common/TrialImageDownloadService.cs
index 67654aa39..9b9665a6a 100644
--- a/IRaCIS.Core.Application/Service/Common/TrialImageDownloadService.cs
+++ b/IRaCIS.Core.Application/Service/Common/TrialImageDownloadService.cs
@@ -1538,7 +1538,7 @@ namespace IRaCIS.Core.Application.Service
         /// <param name="_hostEnvironment"></param>
         /// <returns></returns>
         [AllowAnonymous]
-        public async Task<IResponseOutput> ReadExcelReStorreOSSDeleteDataAndDBData([FromServices] IOSSService _oSSService, [FromServices] IWebHostEnvironment _hostEnvironment, string subjectCode)
+        public async Task<IResponseOutput> ReadExcelReStorreOSSDeleteDataAndDBData([FromServices] IOSSService _oSSService, [FromServices] IWebHostEnvironment _hostEnvironment, string subjectCode = "")
         {
             var folder = FileStoreHelper.GetIRaCISRootDataFolder(_hostEnvironment);