diff --git a/web/github_logo.jpg b/web/github_logo.jpg
new file mode 100644
index 0000000..3848bea
Binary files /dev/null and b/web/github_logo.jpg differ
diff --git a/web/index.html b/web/index.html
index 89b0eef..0490dba 100644
--- a/web/index.html
+++ b/web/index.html
@@ -17,6 +17,9 @@
 <body>
     <div class="lang">
         <a href="index_ch.html">中文</a>
+        <a href="https://github.com/caijinglong/json2dart">
+            <img src="github_logo.jpg" width="50px" />
+        </a>
     </div>
     <h1>simple use
         <a href="https://pub.dartlang.org/packages/json_serializable" target="_blank">json_serializable</a>
diff --git a/web/index_ch.html b/web/index_ch.html
index 23fc80c..9288015 100644
--- a/web/index_ch.html
+++ b/web/index_ch.html
@@ -17,6 +17,9 @@
 <body>
     <div class="lang">
         <a href="index.html">English</a>
+        <a href="https://github.com/caijinglong/json2dart">
+            <img src="github_logo.jpg" width="50px" />
+        </a>
     </div>
     <h1>为了便利使用
         <a href="https://pub.dartlang.org/packages/json_serializable">json_serializable</a>库</h1>
