diff --git a/init.vim b/init.vim
index 5ac10dd..47cee4c 100644
--- a/init.vim
+++ b/init.vim
@@ -11,6 +11,17 @@ Plug 'Shougo/neosnippet.vim'
 Plug 'honza/vim-snippets'
 Plug 'vim-scripts/a.vim'
 Plug 'luochen1990/rainbow'
+if has("win32")
+  Plug 'autozimu/LanguageClient-neovim', {
+        \ 'branch': 'next',
+        \ 'do': 'powershell -executionpolicy bypass -File install.ps1',
+        \ }
+else
+  Plug 'autozimu/LanguageClient-neovim', {
+        \ 'branch': 'next',
+        \ 'do': 'bash install.sh',
+        \ }
+end
 call plug#end()
 " =============Settings==================
 filetype plugin on
@@ -122,3 +133,11 @@ let g:rainbow_conf = {
             \}
             \}
 
+" ===================LanguageServer==================
+let g:LanguageClient_serverCommands = {
+  \ 'cpp': ['clangd'],
+  \ }
+nnoremap <silent> K :call LanguageClient#textDocument_hover()<CR>
+nnoremap <silent> gd :call LanguageClient#textDocument_definition()<CR>
+nnoremap <silent> <F3> :call LanguageClient_contextMenu()<CR>
+vnoremap <silent> <F3> :call LanguageClient_contextMenu()<CR>