diff --git a/src/pages/index.js b/src/pages/index.js
index 0cb1509..5fe7fe8 100644
--- a/src/pages/index.js
+++ b/src/pages/index.js
@@ -36,7 +36,7 @@ function HomepageHeader() {
         <Slider {...settings}>
           {/* HOW 大会宣传，根据中英版显示不同图片及链接*/}
           <div>
-            <a href={isEnglish ? "https://ivorysql.io/" : "https://howconf.cn/"} target="_blank" rel="noopener noreferrer">
+            <a href={isEnglish ? "https://ivorysql.io/" : "https://jsj.top/f/uebqBc"} target="_blank" rel="noopener noreferrer">
               <img 
                 src={
                   isEnglish 
diff --git a/static/img/ivorysql-how-zh.jpg b/static/img/ivorysql-how-zh.jpg
index 6ef4e83..ec3edf0 100644
Binary files a/static/img/ivorysql-how-zh.jpg and b/static/img/ivorysql-how-zh.jpg differ
diff --git a/static/img/ivorysql-how.jpg b/static/img/ivorysql-how.jpg
index 255e62d..6b8caa7 100644
Binary files a/static/img/ivorysql-how.jpg and b/static/img/ivorysql-how.jpg differ