diff --git a/lib/pages/video/detail/introduction/pay_coins_page.dart b/lib/pages/video/detail/introduction/pay_coins_page.dart
index ec5438da..16be43d4 100644
--- a/lib/pages/video/detail/introduction/pay_coins_page.dart
+++ b/lib/pages/video/detail/introduction/pay_coins_page.dart
@@ -106,7 +106,8 @@ class _PayCoinsPageState extends State<PayCoinsPage>
           : Row(
               children: [
                 const Spacer(),
-                Expanded(child: _buildBody(isV)),
+                Expanded(flex: 3, child: _buildBody(isV)),
+                const Spacer(),
               ],
             );
     });