diff --git a/_site/feed.xml b/_site/feed.xml
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--- a/_site/feed.xml
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@@ -1,4 +1,4 @@
-<?xml version="1.0" encoding="utf-8"?><feed xmlns="http://www.w3.org/2005/Atom" xml:lang="en"><generator uri="https://jekyllrb.com/" version="4.2.2">Jekyll</generator><link href="https://blog.pengzhan.dev/feed.xml" rel="self" type="application/atom+xml" /><link href="https://blog.pengzhan.dev/" rel="alternate" type="text/html" hreflang="en" /><updated>2023-10-28T02:15:56-04:00</updated><id>https://blog.pengzhan.dev/feed.xml</id><title type="html">Stop Talking, Start Doing</title><subtitle>My personal blog, with some boring research staff and some tricks I was fancy to. I'll try my best to make this blog fun and useful. Not just a place I complain about all happens in my Lab.
+<?xml version="1.0" encoding="utf-8"?><feed xmlns="http://www.w3.org/2005/Atom" xml:lang="en"><generator uri="https://jekyllrb.com/" version="4.2.2">Jekyll</generator><link href="https://blog.pengzhan.dev/feed.xml" rel="self" type="application/atom+xml" /><link href="https://blog.pengzhan.dev/" rel="alternate" type="text/html" hreflang="en" /><updated>2023-10-28T02:25:56-04:00</updated><id>https://blog.pengzhan.dev/feed.xml</id><title type="html">Stop Talking, Start Doing</title><subtitle>My personal blog, with some boring research staff and some tricks I was fancy to. I'll try my best to make this blog fun and useful. Not just a place I complain about all happens in my Lab.
 </subtitle><author><name>Pengzhan Hao</name><email>haopengzhan@gmail.com</email></author><entry><title type="html">Labs of CS350</title><link href="https://blog.pengzhan.dev/posts/cs350-labs" rel="alternate" type="text/html" title="Labs of CS350" /><published>2022-02-22T16:08:17-05:00</published><updated>2022-02-22T16:08:17-05:00</updated><id>https://blog.pengzhan.dev/posts/cs350-labs</id><content type="html" xml:base="https://blog.pengzhan.dev/posts/cs350-labs"><![CDATA[<p>This will be a series regarding lab I gave during the spring 2022 semester.</p>
 
 <p>The reason why I am writing this down is because it has been a week and no students ask for the solution of the last Lab.