diff --git a/init.lua b/init.lua
index 1441c22..880414a 100644
--- a/init.lua
+++ b/init.lua
@@ -5,8 +5,7 @@ require('core.filetype')
 
 require('Plugin.coc')
 require('Plugin.lualine')
--- require('Plugin.treesitter')
-require('Plugin.hlchunk')
+require('Plugin.treesitter')
 require('Plugin.Imchange')
 
 
diff --git a/lua/Plugin/NERDTree.lua b/lua/Plugin/NERDTree.lua
new file mode 100644
index 0000000..8b13789
--- /dev/null
+++ b/lua/Plugin/NERDTree.lua
@@ -0,0 +1 @@
+
diff --git a/lua/Plugin/ale.lua b/lua/Plugin/ale.lua
deleted file mode 100644
index d0cd879..0000000
--- a/lua/Plugin/ale.lua
+++ /dev/null
@@ -1,7 +0,0 @@
-local G = require('G')
-
-G.cmd([[
-let g:ale_linters = {'javascript': ['eslint']}
-let g:ale_fixers = {'javascript': ['prettier']}
-let g:ale_fix_on_save = 1
-]])
diff --git a/lua/Plugin/coc.lua b/lua/Plugin/coc.lua
index ee5c7ce..5cc12bb 100644
--- a/lua/Plugin/coc.lua
+++ b/lua/Plugin/coc.lua
@@ -11,7 +11,6 @@ G.g['coc_global_extensions'] = {
   "coc-translator",
   "coc-yank",
   "coc-pairs",
-  "coc-explorer",
   "coc-lists",
 }
 
@@ -76,8 +75,6 @@ keyset("o", "ic", "<Plug>(coc-classobj-i)", opts)
 keyset("x", "ac", "<Plug>(coc-classobj-a)", opts)
 keyset("o", "ac", "<Plug>(coc-classobj-a)", opts)
 
--- explorer
-keyset("n", "<c-e>", ":CocCommand explorer<CR>")
 -- translator
 keyset("n", "<leader>tt", "<Plug>(coc-translator-p)")
 keyset("v", "<leader>tt", "<Plug>(coc-translator-pv)")
diff --git a/lua/Plugin/hlchunk.lua b/lua/Plugin/hlchunk.lua
deleted file mode 100644
index 9963e13..0000000
--- a/lua/Plugin/hlchunk.lua
+++ /dev/null
@@ -1,17 +0,0 @@
-local G = require("G")
-
-G.cmd([[
-    " 支持哪些文件 默认为 '*.ts,*.js,*.json,*.go,*.c'
-      let g:hlchunk_files = '*.ts,*.js,*.json,*.go,*.c'
-    " 高亮颜色
-      au VimEnter * hi IndentLineSign ctermfg=248
-    " 延时 默认为50
-      let g:hlchunk_time_delay = 50
-    " 优先级 默认为90
-      let g:hlchunk_priority = 90
-    " 预设主题 默认为1
-      let g:hlchunk_theme = 1
-    " 用户自定义主题 默认无(用户设置后 以用户设置为主)
-    " 格式: sign_texts: char[2][3], usenew: (0|1)[4] " [起止,中间]
-      let g:hlchunk_theme_byuser = { 'sign_texts': ['╭─', '│ ', '╰>'], 'usenew': [1, 1, 1, 1] },
-]])
diff --git a/lua/core/keymap.lua b/lua/core/keymap.lua
index d47192d..806cddd 100644
--- a/lua/core/keymap.lua
+++ b/lua/core/keymap.lua
@@ -49,7 +49,12 @@ G.map({
 
 --EasyAlign
 G.map({
-{"v", "ga",         ":EasyAlign<CR>",               {}},
+{"v", "ga",         ":EasyAlign<CR>",     opt},
+})
+
+--NvimTree
+G.map({
+  {"n", "<c-e>", ":NERDTree<CR>",          opt},
 })
 
 
diff --git a/lua/core/plug.lua b/lua/core/plug.lua
index 994f6c0..ef6ee04 100644
--- a/lua/core/plug.lua
+++ b/lua/core/plug.lua
@@ -55,7 +55,11 @@ require("lazy").setup({
  -- fzf 
  'vijaymarupudi/nvim-fzf',
 
-  })
+ -- nerdtree
+ 'preservim/nerdtree',
+ 'Xuyuanp/nerdtree-git-plugin',
+ 'ryanoasis/vim-devicons',
+})