remove annimation to boost page loading, change imgae dir structure

_config.yml

@@ -6,14 +6,14 @@
 title: Josh's Blog
 subtitle: 一个电子工程师的修养
 description: 我，搞通信的
-keywords: 硬件，Verilog
+keywords: 硬件，Verilog，阵列
 author: Josh Gao
 language: zh-CN
 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://josh-gao.top
+url: https://josh-gao.top
 # permalink: :year/:month/:day/:title.html
 permalink: posts/:abbrlink.html
 # abbrlink config: https://github.com/rozbo/hexo-abbrlink
@@ -92,7 +92,7 @@ updated_option: 'mtime'
 
 # Pagination
 ## Set per_page to 0 to disable pagination
-per_page: 15
+per_page: 10
 pagination_dir: page
 
 # Include / Exclude file(s)