diff --git a/home/.config/nvim/coc-settings.json b/home/.config/nvim/coc-settings.json
new file mode 100644
index 0000000..38ed7e2
--- /dev/null
+++ b/home/.config/nvim/coc-settings.json
@@ -0,0 +1,14 @@
+{
+    "pairs.enableCharacters": [
+        "(",
+        "[",
+        "{",
+        "'",
+        "\"",
+        "`"
+    ],
+    "diagnostic.checkCurrentLine": true,
+    "coc.preferences.formatOnSaveFiletypes": [
+        "json"
+    ]
+}
diff --git a/home/.config/nvim/rc/plugins.d/coc.vim b/home/.config/nvim/rc/plugins.d/coc.vim
index 8378ff3..f9d4d00 100644
--- a/home/.config/nvim/rc/plugins.d/coc.vim
+++ b/home/.config/nvim/rc/plugins.d/coc.vim
@@ -1 +1,88 @@
-let g:coc_global_extensions = ['coc-python', 'coc-json', 'coc-git', 'coc-html', 'coc-css']
+let g:coc_global_extensions = [
+    \ 'coc-python', 'coc-json', 'coc-git', 'coc-html', 'coc-css',
+    \ 'coc-clangd', 'coc-cmake', 'coc-java', 'coc-sh', 'coc-toml',
+    \ 'coc-yaml', 'coc-omnisharp', 'coc-markdownlint', 'coc-pairs'
+    \ ]
+
+" Use tab for trigger completion with characters ahead and navigate.
+" Use command ':verbose imap <tab>' to make sure tab is not mapped by other plugin.
+inoremap <silent><expr> <TAB>
+            \ pumvisible() ? "\<C-n>" :
+            \ <SID>check_back_space() ? "\<TAB>" :
+            \ coc#refresh()
+inoremap <expr><S-TAB> pumvisible() ? "\<C-p>" : "\<C-h>"
+
+
+function! s:check_back_space() abort
+    let col = col('.') - 1
+    return !col || getline('.')[col - 1]  =~# '\s'
+endfunction
+
+" Use <c-space> to trigger completion.
+inoremap <silent><expr> <c-space> coc#refresh()
+
+" Use <cr> to confirm completion, `<C-g>u` means break undo chain at current position.
+" Coc only does snippet and additional edit on confirm.
+inoremap <expr> <cr> pumvisible() ? "\<C-y>" : "\<C-g>u\<CR>"
+" Or use `complete_info` if your vim support it, like:
+" inoremap <expr> <cr> complete_info()["selected"] != "-1" ? "\<C-y>" : "\<C-g>u\<CR>"
+
+" Use `[g` and `]g` to navigate diagnostics
+nmap <silent> [g <Plug>(coc-diagnostic-prev)
+nmap <silent> ]g <Plug>(coc-diagnostic-next)
+
+" Remap keys for gotos
+nmap <silent> gd <Plug>(coc-definition)
+nmap <silent> gy <Plug>(coc-type-definition)
+nmap <silent> gi <Plug>(coc-implementation)
+nmap <silent> gr <Plug>(coc-references)
+
+function! s:show_documentation()
+    if (index(['vim','help'], &filetype) >= 0)
+        execute 'h '.expand('<cword>')
+    else
+        call CocAction('doHover')
+    endif
+endfunction
+
+" Remap for rename current word
+nmap <rn> <Plug>(coc-rename)
+
+" Remap for format selected region
+xmap <leader>f  <Plug>(coc-format-selected)
+nmap <leader>f  <Plug>(coc-format-selected)
+
+augroup mygroup
+    autocmd!
+    " Setup formatexpr specified filetype(s).
+    autocmd FileType typescript,json setl formatexpr=CocAction('formatSelected')
+    " Update signature help on jump placeholder
+    autocmd User CocJumpPlaceholder call CocActionAsync('showSignatureHelp')
+augroup end
+
+" Remap for do codeAction of selected region, ex: `<leader>aap` for current paragraph
+xmap <leader>a  <Plug>(coc-codeaction-selected)
+nmap <leader>a  <Plug>(coc-codeaction-selected)
+
+" Remap for do codeAction of current line
+nmap <leader>ac  <Plug>(coc-codeaction)
+" Fix autofix problem of current line
+nmap <leader>qf  <Plug>(coc-fix-current)
+
+" Create mappings for function text object, requires document symbols feature of languageserver.
+xmap if <Plug>(coc-funcobj-i)
+xmap af <Plug>(coc-funcobj-a)
+omap if <Plug>(coc-funcobj-i)
+omap af <Plug>(coc-funcobj-a)
+
+" Use `:Format` to format current buffer
+command! -nargs=0 Format :call CocAction('format')
+
+" Use `:Fold` to fold current buffer
+command! -nargs=? Fold :call     CocAction('fold', <f-args>)
+
+" use `:OR` for organize import of current buffer
+command! -nargs=0 OR   :call     CocAction('runCommand', 'editor.action.organizeImport')
+
+" Add status line support, for integration with other plugin, checkout `:h coc-status`
+set statusline^=%{coc#status()}%{get(b:,'coc_current_function','')}