diff --git a/coc-settings.json b/coc-settings.json
index 2f72303..fa7fad5 100644
--- a/coc-settings.json
+++ b/coc-settings.json
@@ -1,3 +1,4 @@
 {
-  "snippets.ultisnips.pythonPrompt": false
+  "snippets.ultisnips.pythonPrompt": false,
+  "coc.preferences.extensionUpdateCheck": "daily"
 }
diff --git a/lazy-lock.json b/lazy-lock.json
index 24a8591..6d57cf0 100644
--- a/lazy-lock.json
+++ b/lazy-lock.json
@@ -1,5 +1,4 @@
 {
-  "auto-pairs": { "branch": "master", "commit": "39f06b873a8449af8ff6a3eee716d3da14d63a76" },
   "bullets.vim": { "branch": "master", "commit": "746f92ae05cdcc988857d8e76418326f07af9494" },
   "coc.nvim": { "branch": "release", "commit": "95b43f67147391cf2c69e550bd001b742781d226" },
   "colorizer": { "branch": "master", "commit": "72790a003d5a706c287486a1a81e3a6b32158b54" },
diff --git a/lua/coc.lua b/lua/coc.lua
index 6cde4ff..1f4d33e 100644
--- a/lua/coc.lua
+++ b/lua/coc.lua
@@ -6,6 +6,8 @@ vim.cmd([[
       \
       \ 'coc-explorer',
       \ 'coc-translator',
+      \ 'coc-yank',
+      \ 'coc-pairs',
       \ ]
 ]])
 
@@ -48,3 +50,5 @@ map("n", "<leader>rn", "<Plug>(coc-rename)", {silent = true})
 map("x", "<leader>i", "<Plug>(coc-format-selected)", {silent = true})
 map("n", "<leader>i", "<Plug>(coc-format-selected)", {silent = true})
 
+map("n", "tt", ":CocCommand explorer<CR>", {silent = true})
+
diff --git a/lua/keymap.lua b/lua/keymap.lua
index 4716e33..06f2207 100644
--- a/lua/keymap.lua
+++ b/lua/keymap.lua
@@ -16,10 +16,10 @@ map('n', '<c-s-k>', '5k',         {noremap = true})
 
 
 map('n', '<c-n>', ':nohlsearch<CR>', {noremap = true})
-map('n', '<c-j>', ':w<CR><c-w>j',    {noremap = true})
-map('n', '<c-h>', ':w<CR><c-w>h',    {noremap = true})
-map('n', '<c-k>', ':w<CR><c-w>k',    {noremap = true})
-map('n', '<c-l>', ':w<CR><c-w>l',    {noremap = true})
+map('n', '<c-j>', '<c-w>j',    {noremap = true})
+map('n', '<c-h>', '<c-w>h',    {noremap = true})
+map('n', '<c-k>', '<c-w>k',    {noremap = true})
+map('n', '<c-l>', '<c-w>l',    {noremap = true})
 map('n', '<c-c>', ':wq<CR>',         {noremap = true})
 
 
diff --git a/lua/plug.lua b/lua/plug.lua
index 0fb8c0d..29bbc0a 100644
--- a/lua/plug.lua
+++ b/lua/plug.lua
@@ -17,8 +17,8 @@ require("lazy").setup({
   'vim-airline/vim-airline',
   'morhetz/gruvbox',
 
+  -- lsp 补全
   {'neoclide/coc.nvim', branch = 'release'},
-  'jiangmiao/auto-pairs',
 
   -- surround 和 wildfire 配合有神奇的效果
   'yaocccc/vim-surround',