diff --git a/_config.yml b/_config.yml
index 38d39ad323b..6d8753e8bf2 100644
--- a/_config.yml
+++ b/_config.yml
@@ -1,7 +1,7 @@
 # Site settings
 title: BY Blog
 SEOTitle: 柏荧的博客 | BY Blog
-header-img: img/post-bg-rwd.jpg
+header-img: img/post-bg-desk.png
 email: qiubaiying@gmail.com
 description: "每个胜利背后都有许多尝试"
 keyword: "BY, BY Blog, 柏荧的博客, qiubaiying, 邱柏荧, iOS, Apple, iPhone"
diff --git a/img/post-bg-coffee.jpeg b/img/post-bg-coffee.jpeg
new file mode 100644
index 00000000000..f7a9785fe28
Binary files /dev/null and b/img/post-bg-coffee.jpeg differ
diff --git a/img/post-bg-debug.png b/img/post-bg-debug.png
index aa9fc8bfa4d..5389e470ed5 100644
Binary files a/img/post-bg-debug.png and b/img/post-bg-debug.png differ
diff --git a/img/post-bg-desk.png b/img/post-bg-desk.png
new file mode 100644
index 00000000000..a3ab2c8080e
Binary files /dev/null and b/img/post-bg-desk.png differ