diff --git a/web/app/components/datasets/documents/detail/completed/index.tsx b/web/app/components/datasets/documents/detail/completed/index.tsx
index 80973ee631..f2addac2e2 100644
--- a/web/app/components/datasets/documents/detail/completed/index.tsx
+++ b/web/app/components/datasets/documents/detail/completed/index.tsx
@@ -142,6 +142,7 @@ const SegmentDetailComponent: FC<ISegmentDetailProps> = ({
             </Button>
             <Button
               variant='primary'
+              className='ml-3'
               onClick={handleSave}
               disabled={loading}
             >