config:调整文章链接形式。

_config.yml

@@ -14,7 +14,7 @@ timezone: 'Asia/Shanghai'
 # URL
 ## Set your site url here. For example, if you use GitHub Page, set url as 'https://username.github.io/project'
 url: http://www.archgrid.com
-permalink: :year/:month/:hash.html
+permalink: :year/:month/:title/
 permalink_defaults:
 pretty_urls:
   trailing_index: false # Set to false to remove trailing 'index.html' from permalinks