diff --git a/src/client/page/gallery.tsx b/src/client/page/gallery.tsx
index 77c479d..c89a589 100644
--- a/src/client/page/gallery.tsx
+++ b/src/client/page/gallery.tsx
@@ -26,7 +26,7 @@ export const GalleryInfo = (props: GalleryProp) => {
             const c = await ContentAccessor.findList(props.option);
             //todo : if c is undefined, retry to fetch 3 times. and show error message.
             setState({ documents: c });
-            setLoadAll(c.length > 0);
+            setLoadAll(c.length == 0);
         })
         load();
     }, [props.diff]);