diff --git a/web/src/views/Conversation/components/FileUpload.tsx b/web/src/views/Conversation/components/FileUpload.tsx
index 0cbef569..c8715fd2 100644
--- a/web/src/views/Conversation/components/FileUpload.tsx
+++ b/web/src/views/Conversation/components/FileUpload.tsx
@@ -235,7 +235,7 @@ const UploadFiles = forwardRef<UploadFilesRef, UploadFilesProps>(({
       name: rcFile.name,
       status: 'uploading' as UploadFileStatus,
       percent: 0,
-      type: rcFile.type,
+      type: (rcFile.type && transform_file_type[rcFile.type as keyof typeof transform_file_type]) || rcFile.type || 'document',
       originFileObj: rcFile,
       thumbUrl: URL.createObjectURL(rcFile),
       size: rcFile.size,