diff --git a/vimrc b/vimrc
index 5081421..a2aa188 100644
--- a/vimrc
+++ b/vimrc
@@ -252,15 +252,15 @@ nmap <leader>rn <Plug>(coc-rename)
 " 关闭提示后手动唤醒提示
 inoremap <silent><expr> <c-l> coc#refresh()
 " 通过回车展开代码片段
-inoremap <silent><expr> <cr> pumvisible() ? coc#_select_confirm()
+inoremap <silent><expr> <CR> coc#pum#visible() ? coc#pum#confirm()
                               \: "\<C-g>u\<CR>\<c-r>=coc#on_enter()\<CR>"
 
 " 可以通过 tab 键来切换提示列表选择
 inoremap <silent><expr> <TAB>
-      \ pumvisible() ? "\<C-n>" :
-      \ <SID>check_back_space() ? "\<TAB>" :
+      \ coc#pum#visible() ? coc#pum#next(1):
+      \ CheckBackspace() ? "\<Tab>" :
       \ coc#refresh()
-inoremap <expr><S-TAB> pumvisible() ? "\<C-p>" : "\<C-h>"
+inoremap <expr><S-TAB> coc#pum#visible() ? coc#pum#prev(1) : "\<C-h>"
 
 function! s:check_back_space() abort
   let col = col('.') - 1