diff --git a/README.zh.html b/README-zh.html
similarity index 99%
rename from README.zh.html
rename to README-zh.html
index 97abf43..cf83325 100644
--- a/README.zh.html
+++ b/README-zh.html
@@ -9,7 +9,7 @@
     <meta name="keywords" content="宝宝字帖,汉字字帖,字帖生成,汉字练习,英文字母练习,笔顺描写,书写练习,自定义字帖,教育工具,笔控练习,儿童书法">
     <meta name="author" content="Kenny Wong">
     <meta property="og:site_name" content="宝宝字帖">
-    <meta property="og:url" content="https://wangchujiang.com/copybook-generator/README.zh.html">
+    <meta property="og:url" content="https://wangchujiang.com/copybook-generator/README-zh.html">
     <meta property="og:image" content="https://wangchujiang.com/copybook-generator/assets/logo.png">
     <meta property="og:type" content="application">
     <meta property="og:title" content="宝宝字帖">
diff --git a/index.html b/index.html
index c436262..47a4e3d 100644
--- a/index.html
+++ b/index.html
@@ -53,7 +53,7 @@
         <div align="center"><br><br><a href="https://wangchujiang.com/copybook-generator/"><img src="assets/logo.png" alt="Copybook Generator LOGO" width="160" height="160"></a>
           <h1 style="border: 0;" id="copybook-generator"><a aria-hidden="true" tabindex="-1" href="#copybook-generator" class="anchor"><span class="icon icon-link"></span></a>Copybook Generator</h1><!--rehype:style=border: 0;-->
           <p>
-            <a href="README.zh.html">中文</a> •
+            <a href="README-zh.html">中文</a> •
             <a href="#frequently-asked-questions">FAQ</a> •
             <a target="_blank" href="https://wangchujiang.com/#/contact">Contact &#x26; Support</a>
           </p>
diff --git a/sitemap.txt b/sitemap.txt
index 7e11a01..3fa84c3 100644
--- a/sitemap.txt
+++ b/sitemap.txt
@@ -1,4 +1,4 @@
-https://wangchujiang.com/copybook-generator/README.zh.html
+https://wangchujiang.com/copybook-generator/README-zh.html
 https://wangchujiang.com/copybook-generator/terms-of-service.html
 https://wangchujiang.com/copybook-generator/terms-of-service.zh.html
 https://wangchujiang.com/copybook-generator/privacy-policy.html