diff --git a/chatgpt-telegram-bot/en/develop/index.html b/chatgpt-telegram-bot/en/develop/index.html
index e191cfe..e6a1328 100644
--- a/chatgpt-telegram-bot/en/develop/index.html
+++ b/chatgpt-telegram-bot/en/develop/index.html
@@ -533,7 +533,7 @@
 <p>But seriously, the project uses your ChatGPT token to access the ChatGPT API and let you chat with ChatGPT directly in Telegram.</p>
 <h2 id="features">Features<a class="headerlink" href="#features" title="Permanent link">⚓︎</a></h2>
 <p>See for yourself how easy and convenient it is to use ChatGPT in Telegram. It is better to see once than to hear 100 times.</p>
-<video controls width="450">
+<video controls>
       <source id="mp4" src="demo.mp4" type="video/mp4">
 </video>
 
diff --git a/chatgpt-telegram-bot/en/develop/sitemap.xml.gz b/chatgpt-telegram-bot/en/develop/sitemap.xml.gz
index 4e5a253..792e894 100644
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