diff --git a/ui/src/utils/utils.ts b/ui/src/utils/utils.ts
index 818a18115..698a63625 100644
--- a/ui/src/utils/utils.ts
+++ b/ui/src/utils/utils.ts
@@ -38,7 +38,7 @@ export function fileType(name: string) {
   获得文件对应图片
 */
 const typeList: any = {
-  txt: ['txt', 'pdf', 'docx', 'csv', 'md', 'html'],
+  txt: ['txt', 'pdf', 'docx', 'csv', 'md', 'html', 'PDF'],
   QA: ['xlsx', 'csv', 'xls']
 }
 
diff --git a/ui/src/views/dataset/component/UploadComponent.vue b/ui/src/views/dataset/component/UploadComponent.vue
index 3c35c2c3f..d51aff263 100644
--- a/ui/src/views/dataset/component/UploadComponent.vue
+++ b/ui/src/views/dataset/component/UploadComponent.vue
@@ -58,7 +58,7 @@
         action="#"
         :auto-upload="false"
         :show-file-list="false"
-        accept=".txt, .md, .csv, .log, .docx, .pdf, .html"
+        accept=".txt, .md, .csv, .log, .docx, .pdf, .html, .PDF"
         :limit="50"
         :on-exceed="onExceed"
         :on-change="fileHandleChange"