diff --git a/README.md b/README.md
index 5fbc223..64105d5 100644
--- a/README.md
+++ b/README.md
@@ -4,7 +4,7 @@
 
 ## 影片解說
 
-https://www.youtube.com/watch?v=ySnArXULVqk
+<iframe width="560" height="315" src="https://www.youtube.com/embed/ySnArXULVqk" title="YouTube video player" frameborder="0" allowfullscreen></iframe>
 
 ## 規則