diff --git a/en/sitemap.xml.gz b/en/sitemap.xml.gz
index 6512d9c16..86aa1a213 100644
Binary files a/en/sitemap.xml.gz and b/en/sitemap.xml.gz differ
diff --git a/index.html b/index.html
index c9067d71c..66e8f022b 100644
--- a/index.html
+++ b/index.html
@@ -240,10 +240,10 @@
       
         <!-- heading and buttons -->
         <div style="width: 100%; position: absolute; transform: translateX(-50%); left: 49%; bottom: min(2vh, 3vw);">
-          <img style="height: min(6vh, 8vw);"
-            src="https://readme-typing-svg.demolab.com/?font=Noto+Sans+SC&weight=400&size=35&duration=3500&pause=2000&color=FFF&center=true&vCenter=true&random=false&width=200&lines=Hello%2C+%E7%AE%97%E6%B3%95+!"
+          <img style="height: min(9vh, 12vw);"
+            src="https://readme-typing-svg.demolab.com/?font=Noto+Sans+SC&weight=400&duration=3500&pause=2000&color=FFF&center=true&vCenter=true&random=false&width=200&lines=Hello%2C+%E7%AE%97%E6%B3%95+!"
             alt="hello-algo-typing-svg" />
-          <p style="color: #fff; margin-top: min(0.5vh, 1vw); margin-bottom: min(2vh, 3vw);">
+          <p style="color: #fff; margin-top: max(-0.6vh, -1.2vw); margin-bottom: min(2.5vh, 4vw);">
             动画图解、一键运行的数据结构与算法教程
           </p>
           <div>
diff --git a/sitemap.xml.gz b/sitemap.xml.gz
index 1e6cce0be..88496db96 100644
Binary files a/sitemap.xml.gz and b/sitemap.xml.gz differ