diff --git a/IRC.Core.SCP/Service/OSSService.cs b/IRC.Core.SCP/Service/OSSService.cs
index 19b51a8a3..35e58939d 100644
--- a/IRC.Core.SCP/Service/OSSService.cs
+++ b/IRC.Core.SCP/Service/OSSService.cs
@@ -825,10 +825,12 @@ public class OSSService(IOptionsMonitor<ObjectStoreServiceOptions> options,
 
         if (ObjectStoreServiceOptions.IsOpenStoreSync && uploadInfo != null)
         {
+            var fileType = Path.GetExtension(returnPath).TrimStart('.');
+
             uploadInfo.FileSize = fileStream.CanSeek ? fileStream.Length : 0;
             uploadInfo.Path = returnPath;
             uploadInfo.FileName = fileRealName;
-            uploadInfo.FileType = Path.GetExtension(returnPath).TrimStart('.');
+            uploadInfo.FileType = fileType.IsNullOrEmpty()?"dcm": fileType;
 
 
             await _fileUploadRecordService.AddOrUpdateFileUploadRecord(uploadInfo);
@@ -964,10 +966,14 @@ public class OSSService(IOptionsMonitor<ObjectStoreServiceOptions> options,
 
         if (ObjectStoreServiceOptions.IsOpenStoreSync && uploadInfo != null)
         {
+
+            var fileType = Path.GetExtension(returnPath).TrimStart('.');
+
             uploadInfo.FileSize = fileSize;
             uploadInfo.Path = returnPath;
             uploadInfo.FileName = Path.GetFileName(localFilePath);
-            uploadInfo.FileType = Path.GetExtension(returnPath) == "" ? "dcm" : Path.GetExtension(returnPath);
+            uploadInfo.FileType = fileType.IsNullOrEmpty() ? "dcm" : fileType;
+
 
 
             await _fileUploadRecordService.AddOrUpdateFileUploadRecord(uploadInfo);