diff --git a/docs/_includes/bilibilivedio.html b/docs/_includes/bilibilivedio.html
index 975def506..1aa338a0b 100644
--- a/docs/_includes/bilibilivedio.html
+++ b/docs/_includes/bilibilivedio.html
@@ -5,6 +5,8 @@
         border="0"
         frameborder="no"
         framespacing="0"
+        width="470"
+        height="400"
         allowfullscreen="true">
     </iframe>
 </div>