diff --git a/web/src/pages/chunk/parsed-result/add-knowledge/components/knowledge-chunk/components/chunk-creating-modal/index.tsx b/web/src/pages/chunk/parsed-result/add-knowledge/components/knowledge-chunk/components/chunk-creating-modal/index.tsx
index 5b3d65e67e1..f8a6c09e033 100644
--- a/web/src/pages/chunk/parsed-result/add-knowledge/components/knowledge-chunk/components/chunk-creating-modal/index.tsx
+++ b/web/src/pages/chunk/parsed-result/add-knowledge/components/knowledge-chunk/components/chunk-creating-modal/index.tsx
@@ -140,7 +140,7 @@ const ChunkCreatingModal: React.FC<IModalProps<any> & kFProps> = ({
               <FormItem>
                 <FormLabel>{t('chunk.chunk')}</FormLabel>
                 <FormControl>
-                  <Textarea {...field} autoSize={{ minRows: 4, maxRows: 10 }} />
+                  <Textarea {...field} autoSize={{ minRows: 4, maxRows: 10 }} resize="vertical" />
                 </FormControl>
                 <FormMessage />
               </FormItem>