diff --git a/src/containers/App/App.css b/src/containers/App/App.css
index 5c5fceea8becd11cc6cdd8a59145a9ddc5b83fba..3366a4326a01dcd0b4cfa8f1b8e26da8a960f672 100644
--- a/src/containers/App/App.css
+++ b/src/containers/App/App.css
@@ -302,7 +302,7 @@ footer a:hover {
 
 .promotion-video {
   width: 100%;
-  height: auto; /* 设置高度为视口高度的80% */
+  height: 100%; /* 设置高度为视口高度的80% */
   border: none; 
   border-radius: 30px; /* 圆角效果 */
 }
diff --git a/src/contents/home.tsx b/src/contents/home.tsx
index 30dd45d778e6e205c5d13b1c97f070aa45acd355..81504d1a4e4bbde3e5cbf9e3cad1ac0e890ba18c 100644
--- a/src/contents/home.tsx
+++ b/src/contents/home.tsx
@@ -61,7 +61,7 @@ export function Home() {
           </div>
 
           <div className="row full-height-element">
-            <p className="center-text h1">Stream our Promotion Video</p>
+            <p className="center-text h1 pb-0 mb-0">Stream our Promotion Video</p>
             <div className="col-1"></div>
             <div className="col-10 mb-5">
                 <iframe