修改后：
实现代码（可以用于组装头像和消息）：
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Document</title>
</head>
<body>
<div>
<span>xxxx</span>
<img src="https://img2.imgtp.com/2024/01/27/MjRKnVp0.jpg">
</div>
</body>
</html>
<style>
img{
width: 50px;
vertical-align: middle;
}
div{
font-size: 0;
text-align: center;
height: 200px;
width: 200px;
background-color: red;
line-height: 200px;
}
span{
background-color: yellow;
font-size: 50px;
vertical-align: middle;
}
</style>