diff --git a/pistar.md b/pistar.md
index e5b65a2..65c0938 100644
--- a/pistar.md
+++ b/pistar.md
@@ -5,4 +5,4 @@ sidebar:
 order: 6
 ---
 
-<iframe frameborder="0" src="https://pistar.nq4t.com/" width="840" height="900"></iframe>
+<iframe frameborder="0" src="https://pistar.nq4t.com" onload='javascript:(function(o){o.style.height=o.contentWindow.document.body.scrollHeight+"px";}(this));' style="height:200px;width:100%;border:none;overflow:hidden;"></iframe>