擅长:python、mysql、java
<p>我在<strong>base.html中添加了这个:</p>
<pre><code>
<!DOCTYPE html>
<html>
<head>
<! Required meta tags >
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
</head>
<body>
</code></pre>
<p>它成功了</p>