diff --git a/init.vim b/init.vim
index f48bbca..1233b46 100644
--- a/init.vim
+++ b/init.vim
@@ -159,6 +159,7 @@ nnoremap <silent> K :call LanguageClient#textDocument_hover()<CR>
 nnoremap <silent> gd :call LanguageClient#textDocument_definition({'gotoCmd': 'tabedit'})<CR>
 nnoremap <silent> <F3> :call LanguageClient_contextMenu()<CR>
 vnoremap <silent> <F3> :call LanguageClient_contextMenu()<CR>
+nnoremap <silent> <F6> :call LanguageClient_textDocument_documentSymbol()<CR>
 
 let g:LanguageClient_hasClientSupport = 0
 " ===================EchoDoc=========================