diff --git a/.golangci.yml b/.golangci.yml
index ce220f7..2c92323 100644
--- a/.golangci.yml
+++ b/.golangci.yml
@@ -92,7 +92,7 @@ linters-settings:
       - name: cognitive-complexity
         severity: warning
         disabled: false
-        arguments: [10]
+        arguments: [14]
       # https://github.com/mgechev/revive/blob/master/RULES_DESCRIPTIONS.md#constant-logical-expr
       - name: constant-logical-expr
         severity: warning
diff --git a/README.md b/README.md
index cb6e80d..e70b62d 100644
--- a/README.md
+++ b/README.md
@@ -1,9 +1,13 @@
 ### 使用
+
 ```shell
 git clone https://github.com/Laily123/.dotfile.git ~/.dotfile
 ```
+
 ### zsh 安装
+
 安装 zsh  
+
 ```shell
 https://github.com/robbyrussell/oh-my-zsh/wiki/Installing-ZSH
 # macOS
@@ -15,10 +19,13 @@ apt install zsh
 ```
 
 安装 oh-my-zsh  
+
 ```shell
 sh -c "$(wget https://raw.githubusercontent.com/robbyrussell/oh-my-zsh/master/tools/install.sh -O -)"
 ```
+
 初始化配置  
+
 ```shell
 ln -sf ~/.dotfile/.zshrc ~/  
 ln -sf ~/.dotfile/laily.zsh-theme ~/.oh-my-zsh/themes/
@@ -27,9 +34,10 @@ ln -sf ~/.dotfile/.gitconfig ~/.gitconfig
 ```
 
 ### spacevim 安装
+
 安装  
 `curl -sLf https://spacevim.org/install.sh | bash`  
 初始化配置  
 `ln -sf ~/.dotfile/.SpaceVim.d ~/` 
 
-
+# 
diff --git a/nvim/lua/pluginconfig/nvim-tree.lua b/nvim/lua/pluginconfig/nvim-tree.lua
index 30b7873..55c5c62 100644
--- a/nvim/lua/pluginconfig/nvim-tree.lua
+++ b/nvim/lua/pluginconfig/nvim-tree.lua
@@ -12,7 +12,9 @@ local function my_on_attach(bufnr)
     vim.keymap.set('n', '<C-t>', api.tree.change_root_to_parent,        opts('Up'))
     vim.keymap.set('n', '?',     api.tree.toggle_help,                  opts('Help'))
     vim.keymap.set('n', 'l',     api.node.open.edit,                  opts('Edit'))
-    vim.keymap.set('n', 'h',     api.node.navigate.parent_close,                  opts('Parent Close'))
+    vim.keymap.set('n', 'h',     api.node.navigate.parent_close,              opts('Parent Close'))
+    vim.keymap.set('n', 's',     api.node.open.horizontal,                  opts('Horizontal Split'))
+    vim.keymap.set('n', 'v',     api.node.open.vertical,                  opts('Vertical Split'))
 end
 
 require'nvim-tree'.setup {
@@ -34,7 +36,7 @@ require'nvim-tree'.setup {
         enable      = true,
         -- update the root directory of the tree to the one of the folder containing the file if the file is not under the current root directory
         -- only relevant when `update_focused_file.enable` is true
-        update_cwd  = true,
+        update_cwd  = false,
         -- list of buffer names / filetypes that will not update the cwd if the file isn't found under the current root directory
         -- only relevant when `update_focused_file.update_cwd` is true and `update_focused_file.enable` is true
         ignore_list = {}
diff --git a/nvim/lua/plugins.lua b/nvim/lua/plugins.lua
index 27b4f2e..0fc4ad5 100644
--- a/nvim/lua/plugins.lua
+++ b/nvim/lua/plugins.lua
@@ -203,13 +203,14 @@ return require("packer").startup(function(use)
     }
 
     -- markdown
-    use { 'godlygeek/tabular' }
-    use { 'preservim/vim-markdown' }
-    use {
-        'iamcco/markdown-preview.nvim',
-        run = function() vim.fn['mkdp#util#install']() end,
-        ft = { 'markdown' }
-    }
+    -- use { 'godlygeek/tabular' }
+    -- use { 'preservim/vim-markdown' }
+
+    -- use {
+    --     'iamcco/markdown-preview.nvim',
+    --     run = function() vim.fn['mkdp#util#install']() end,
+    --     ft = { 'markdown' }
+    -- }
 
 		use {'tpope/vim-fugitive'}
 
diff --git a/nvim/lua/settings.lua b/nvim/lua/settings.lua
index a9e82f5..9c919ed 100644
--- a/nvim/lua/settings.lua
+++ b/nvim/lua/settings.lua
@@ -41,6 +41,7 @@ vim.cmd('filetype plugin on') -- filetype detection
 vim.o.guifont = "FiraCode Nerd Font:h17"
 
 -- vim.o.guifont = "JetBrains\\ Mono\\ Regular\\ Nerd\\ Font\\ Complete"
+vim.g.vim_markdown_folding_disabled = 1
 
 vim.g.vimspector_enable_mappings = 'HUMAN'
 vim.g['test#go#rspec#options'] = { nearest= '--v', suite=   '--v' }