设置-公告
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<div align="center">
<a href="https://www.cnblogs.com/php-linux/">
<img style="width: 100px;
height: 100px;
border-radius: 50px;" src="https://www.cnblogs.com/images/cnblogs_com/php-linux/674292/o_4.jpg">
</a>
</div>
设置-公告
<!-- 添加图片并指向CSDN -->
<div align="center">
<a href="https://www.cnblogs.com/php-linux/">
<img style="width: 100px;
height: 100px;
border-radius: 50px;" src="https://www.cnblogs.com/images/cnblogs_com/php-linux/674292/o_4.jpg">
</a>
</div>