diff --git a/README.md b/README.md
index 90cdf96..54d31e5 100644
--- a/README.md
+++ b/README.md
@@ -1,4 +1,58 @@
-LLVIMRC
-=======
+# The LeeLei vimrc configuration
 
-llvimrc is a distribution of vim plugins and resources for Vim.
+This is a distribution of vim plugins for CentOS8.x or later, supporting language c, c++, python, golang  and shell.
+
+## How to install
+
+```shell
+# ./install.sh
+```
+
+## Key Mappings
+
+The [leader](http://learnvimscriptthehardway.stevelosh.com/chapters/06.html#leader) is `/`, so whenever you see `<leader>` it means `/`.
+
+### Key Maps
+```shell
+nmap <F3> :cp<cr>
+nmap <F4> :cn<cr>
+
+nmap <F5> :TagbarToggle<cr>
+nmap <F6> :call AutoloadcsQuickfixToggle()<cr>
+nmap <F7> :NERDTreeToggle<cr>
+nmap <F8> :call LeeCtagsCscope()<cr>
+
+<C-p>  : List files
+<C-]>  : Go to function define, for c, c++ or golang
+<C-t>  : Go back position of stack, for c, c++ or golang
+<C-l>  : Code completion only for golang
+```
+
+### Leaders
+```shell
+nmap <leader>- <Plug>AirlineSelectPrevTab
+nmap <leader>= <Plug>AirlineSelectNextTab
+nmap <Leader>+ :bd<cr>
+
+nmap <leader>cc :NERDComYankComment<cr>
+nmap <leader>cs :NERDComSexyComment<cr>
+nmap <leader>cu :NERDComUncommentLine<cr>
+
+nmap <leader>m :MarkSet<cr>
+nmap <leader>M :MarkClear<cr>
+
+nmap <leader>n   :Go to function define, only for python
+```
+
+### Cscope
+```shell
+<C-\>t  : Match string
+<C-\>s  : Match symbol exclude comment
+```
+
+### Command
+```shell
+Dox       : Add comment for function
+DoxAuthor : Add comment for source file
+DoxLic    ：Add license for source file
+```
diff --git a/install.sh b/install.sh
index abe9ac6..15b1e26 100755
--- a/install.sh
+++ b/install.sh
@@ -12,10 +12,11 @@ if [ -f /etc/vimrc ] && [ ! -f /etc/vimrc.bak ]; then
     touch /etc/vimrc
 fi
 
-rm -rf /root/.vim >/dev/null 2>&1
-rm -f /root/.vimrc >/dev/null 2>&1
-cp -rf vim /root/.vim
-cp -f vimrc /root/.vimrc
+rm -rf /$HOME/.vim >/dev/null 2>&1
+rm -f /$HOME/.vimrc >/dev/null 2>&1
+cp -rf vim /$HOME/.vim
+cp -f vimrc /$HOME/.vimrc
 
 echo -e "\033[32m- Install successfully...\033[0m"
+
 exit 0