diff --git a/.SpaceVim.d/autoload/SpaceVim/dev/website.vim b/.SpaceVim.d/autoload/SpaceVim/dev/website.vim
index 7a03d7f26..592d55646 100644
--- a/.SpaceVim.d/autoload/SpaceVim/dev/website.vim
+++ b/.SpaceVim.d/autoload/SpaceVim/dev/website.vim
@@ -1,13 +1,14 @@
 let s:JOB = SpaceVim#api#import('job')
 let s:job_id = 0
 let s:server_address = ''
-function! SpaceVim#dev#website#open()
+function! SpaceVim#dev#website#open() abort
   let path = expand('~/.SpaceVim/docs/')
   let cmd = ['bundle', 'exec', 'jekyll', 'serve']
-  if s:job_id == 0 && s:server_address == ''
+  if s:job_id == 0 && s:server_address ==# ''
     let s:job_id = s:JOB.start(cmd, {
           \ 'cwd' : path,
           \ 'on_stdout' : function('s:on_stdout'),
+          \ 'on_stderr' : function('s:on_stderr'),
           \ 'on_exit' : function('s:on_exit'),
           \ })
   else
@@ -21,6 +22,9 @@ function! SpaceVim#dev#website#terminal() abort
   endif
 endfunction
 
+" @vimlint(EVL103, 1, a:event)
+" @vimlint(EVL103, 1, a:id)
+" @vimlint(EVL103, 1, a:data)
 function! s:on_stdout(id, data, event) abort
   for data in a:data
     if data =~# 'Server address:'
@@ -30,6 +34,17 @@ function! s:on_stdout(id, data, event) abort
   endfor
 endfunction
 
+function! s:on_stderr(id, data, event) abort
+  for data in a:data
+    echohl WarningMsg
+    echom 'SpaceVim website:' . data
+    echohl None
+  endfor
+endfunction
+
+" @vimlint(EVL103, 0, a:id)
+" @vimlint(EVL103, 0, a:data)
+" @vimlint(EVL103, 0, a:event)
 
 function! s:on_exit(...) abort
   let s:job_id = 0
diff --git a/.ci/detach_plugin.sh b/.ci/detach_plugin.sh
new file mode 100755
index 000000000..ac280814f
--- /dev/null
+++ b/.ci/detach_plugin.sh
@@ -0,0 +1,44 @@
+#!/usr/bin/env bash
+
+_detect () {
+  cp -f ../../$1 $1
+}
+
+_checkdir () {
+  if [[ ! -d "$1" ]]; then
+    mkdir -p $1
+  fi
+}
+
+main () {
+  case "$1" in
+    flygrep)
+      git clone https://github.com/wsdjeg/FlyGrep.vim.git detach/$1
+      cd detach/$1
+      _checkdir autoload/SpaceVim/api
+      _checkdir autoload/SpaceVim/api/vim
+      _checkdir autoload/SpaceVim/mapping
+      _checkdir autoload/SpaceVim/plugins
+      _detect autoload/SpaceVim/plugins/flygrep.vim
+      _detect autoload/SpaceVim/api.vim
+      _detect autoload/SpaceVim/api/logger.vim
+      _detect autoload/SpaceVim/api/vim/buffer.vim
+      _detect autoload/SpaceVim/api/prompt.vim
+      _detect autoload/SpaceVim/api/job.vim
+      _detect autoload/SpaceVim/api/system.vim
+      _detect autoload/SpaceVim/mapping/search.vim
+      _detect autoload/SpaceVim/logger.vim
+      git add .
+      git commit -m "Auto Update"
+      git remote add wsdjeg_flygrep https://SpaceVimBot:${BOTSECRET}@github.com/wsdjeg/FlyGrep.vim.git
+      git push wsdjeg_flygrep master 
+      cd -
+      rm -rf detach/$1
+      exit 0
+      ;;
+    spacevim-theme)
+      exit 0
+  esac
+}
+
+main $@
diff --git a/autoload/SpaceVim/default.vim b/autoload/SpaceVim/default.vim
index 4a8fe4264..6c8f72463 100644
--- a/autoload/SpaceVim/default.vim
+++ b/autoload/SpaceVim/default.vim
@@ -169,7 +169,9 @@ function! SpaceVim#default#SetMappings() abort
 
   " Save a file with sudo
   " http://forrst.com/posts/Use_w_to_sudo_write_a_file_with_Vim-uAN
+  " use w!! in cmdline or use W command to sudo write a file
   cnoremap w!! %!sudo tee > /dev/null %
+  command! W w !sudo tee % > /dev/null
 
 
   " Use Ctrl+* to jump between windows
diff --git a/autoload/SpaceVim/mapping/search.vim b/autoload/SpaceVim/mapping/search.vim
index 3a67c53ad..27f220267 100644
--- a/autoload/SpaceVim/mapping/search.vim
+++ b/autoload/SpaceVim/mapping/search.vim
@@ -95,7 +95,7 @@ endfunction
 
 function! SpaceVim#mapping#search#default_tool() abort
   if !has_key(s:search_tools, 'default_exe')
-    for t in g:spacevim_search_tools
+    for t in get(g:, 'spacevim_search_tools', ['rg', 'ag', 'pt', 'ack', 'grep'])
       if executable(t)
         let s:search_tools.default_exe = t
         let key = s:search_tools.namespace[t]
diff --git a/docs/_posts/2018-01-31-grep-on-the-fly-in-spacevim.md b/docs/_posts/2018-01-31-grep-on-the-fly-in-spacevim.md
new file mode 100644
index 000000000..589b48fc8
--- /dev/null
+++ b/docs/_posts/2018-01-31-grep-on-the-fly-in-spacevim.md
@@ -0,0 +1,46 @@
+---
+title: "Vim 异步实时代码检索"
+categories: feature_cn
+excerpt: "Run grep asynchronously, show search results in real-time based on user input, support searching the entire project, searching loaded files or only searching current file"
+image: https://user-images.githubusercontent.com/13142418/35278709-7856ed62-0010-11e8-8b1e-e6cc6374b0dc.gif
+comments: true
+permalink: /cn/:title/
+lang: cn
+---
+
+# Vim 异步实时代码检索
+
+{{ page.date | date_to_string }}
+
+SpaceVim 中代码检索采用的是 FlyGrep 这个插件，包括了常用的全工程代码检索，局部文件夹代码检索等特性。搜索结果实时展示。
+这个插件是 SpaceVim 的内置插件，当然也已分离出一个备份仓库供给非 SpaceVim 用户使用。
+
+<https://github.com/wsdjeg/FlyGrep.vim>
+
+![searching project](https://user-images.githubusercontent.com/13142418/35278709-7856ed62-0010-11e8-8b1e-e6cc6374b0dc.gif)
+
+## 特性
+
+- 实时检索全工程文件
+- 实时检索全工程文件，指定初始输入伺，适合搜光标单词或选择的词语
+- 实时检索已载入文件，这不同于全工程搜索，只搜索vim中已打开的文件，能更准确定位
+- 同上，支持指定输入词来检索已载入文件
+- 指定检索目录，适合跨工程检索或检索子目录，也可用于同时检索多个工程
+- 支持正则表达式输入
+- 支持中文检索
+- 输入框采用的是终端那一套快捷键，bash 用户应该非常喜欢这样快捷键，可以快速编辑单行输入内容。
+- 鼠标支持，用 Vim 其实也有鼠标党，在这个插件里面，可以用鼠标滚轮上下移动选择行，也可以用鼠标双击打开匹配位置，单击移动匹配位置
+以上这些功能已经在 SpaceVim 中实现了，文中的连接是一波演示效果图。
+
+**补充：**
+
+首先是增加了 filter 模式，也就是当我们搜索一个关键词，出现了很多结果，而我们需要的结果排在很后，以至于下拉很久看不到，这时候你可以启用 filter 模式，filter 模式其实类似于 flygrep，但是，他是对前一次的结果进行筛选。默认快捷键是 flygrep 模式下按下 ctrl+f
+
+## 计划中的特性
+
+一个比较实用的 todo，提供一个快捷键，将搜索结果转变为 quickfix 列表，这有助于对这些搜索结果进行后期处理。
+另外一个 TODO 是全工程替换，或局部替换，大致思路是由flygrep 删选结果，由 Iedit 多光标编辑，再应用至文件.
+
+后期还有那些特性会去实现呢？首先当然是neovim的悬浮窗特性，在我前面的文章里面已经展示过悬浮窗的特性，那只是一个粗略的效果图， 具体细节当然还需要时间去实现。
+
+关于代码检索，大家还有什么建议吗？欢迎留言.
diff --git a/docs/blog.md b/docs/blog.md
index 289996f3a..b27006040 100644
--- a/docs/blog.md
+++ b/docs/blog.md
@@ -11,9 +11,9 @@ going on.
 <ul>
     {% for post in site.posts %}
             <li>
-               <h2><a href="{{ post.url }}">{{ post.title }}</a></h2>
+               <h3><a href="{{ post.url }}">{{ post.title }}</a></h2>
                <span class="post-date">{{ post.date | date_to_string }}</span>
-               <h3>{{ post.excerpt | truncatewords: 100 }}</h3>
+               <p>{{ post.excerpt | truncatewords: 100 }}</p>
             </li>
     {% endfor %}
 </ul>
diff --git a/docs/cn/blog.md b/docs/cn/blog.md
index 914d68111..a138a7e15 100644
--- a/docs/cn/blog.md
+++ b/docs/cn/blog.md
@@ -10,7 +10,7 @@ lang: cn
 
 {% for post in site.post %}
     <ul>
-        {% if post.lang == "cn" %}
+        {% if post.lang %}
             <li>
               <h2><a href="{{ post.url }}">{{ post.title }}</a></h2>
               <span class="post-date">{{ post.date | date_to_string }}</span>