Update _config.yml

Author: chengjun

_config.yml

@@ -121,7 +121,7 @@ bing_site_verification:  # out your bing-site-verification ID (Bing Webmaster)
 # Blog
 # -----------------------------------------------------------------------------
 
-blog_name: al-folio # blog_name will be displayed in your blog page
+blog_name: Story Book # blog_name will be displayed in your blog page
 blog_nav_title: Blog # your blog must have a title for it to be displayed in the nav bar
 blog_description: Building up my personal center of calculation. 
 permalink: /blog/:year/:title/