Update _config.yml

Author: chengjun

_config.yml

@@ -5,7 +5,7 @@
 title: blank # the website title (if blank, full name will be used instead)
 first_name: Cheng-Jun
 middle_name: 
-last_name: Wang
+last_name: Wang (王成军)
 email: [email protected]
 description: > # the ">" symbol means to ignore newlines until "footer_text:"
   Know Thyself.
@@ -122,8 +122,8 @@ bing_site_verification:  # out your bing-site-verification ID (Bing Webmaster)
 # -----------------------------------------------------------------------------
 
 blog_name: al-folio # 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: a simple whitespace theme for academics
+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/
 
 # Pagination