diff --git a/article/golang/golang-dev.md b/article/golang/golang-dev.md
new file mode 100644
index 0000000..47f6d37
--- /dev/null
+++ b/article/golang/golang-dev.md
@@ -0,0 +1,28 @@
+# Golang 开发
+
+## module
+
+### init a package
+
+```bash
+go mod init
+```
+
+### remove unused packages
+
+```bash
+go mod tidy
+```
+
+## dlv 调试
+
+## vim-go/go-nvim
+
+packages.Load error 处理：
+
+清除缓存试试：
+
+```bash
+go clean -cache
+```
+
diff --git a/article/golang/module.md b/article/golang/module.md
deleted file mode 100644
index 642c033..0000000
--- a/article/golang/module.md
+++ /dev/null
@@ -1,13 +0,0 @@
-# module usage
-
-## init a package
-
-```bash
-go mod init
-```
-
-## remove unused packages
-
-```bash
-go mod tidy
-```
diff --git a/article/golang/vim-go.md b/article/golang/vim-go.md
deleted file mode 100644
index e8f65cb..0000000
--- a/article/golang/vim-go.md
+++ /dev/null
@@ -1,10 +0,0 @@
-# Vim-go Usage
-
-## vim-go: : packages.Load error
-
-Type the commands bellow:
-
-```bash
-go clean -cache
-```
-
diff --git a/article/neovim.md b/article/neovim.md
index f575d67..21d3058 100644
--- a/article/neovim.md
+++ b/article/neovim.md
@@ -22,6 +22,12 @@ vim.api.nvim_exec2
 print(vim.inspect(table))
 ```
 
+或者 `vim.print`，以可读的方式输打印参数，如：
+
+```lua
+vim.print(vim.fn.api_info())
+```
+
 ```lua
 -- execute system command
 local has_cmd = function(cmd)
diff --git a/config/nvim/lua/editor/autopairs.lua b/config/nvim/lua/editor/autopairs.lua
index bd900b0..4341e29 100644
--- a/config/nvim/lua/editor/autopairs.lua
+++ b/config/nvim/lua/editor/autopairs.lua
@@ -1,6 +1,7 @@
 -- Setup nvim-cmp.
 local status_ok, npairs = pcall(require, "nvim-autopairs")
 if not status_ok then
+  vim.notify("nvim-autopairs load error")
   return
 end
 
diff --git a/config/nvim/lua/editor/cmp.lua b/config/nvim/lua/editor/cmp.lua
index 12b270f..47db2f0 100644
--- a/config/nvim/lua/editor/cmp.lua
+++ b/config/nvim/lua/editor/cmp.lua
@@ -6,7 +6,7 @@ end
 
 local ok, luasnip = pcall(require, "luasnip")
 if not ok then
-  print("luasnip load error")
+  vim.notify("luasnip load error")
   return
 end
 
diff --git a/config/nvim/lua/editor/indentline.lua b/config/nvim/lua/editor/indentline.lua
index ec97a1f..e9650b2 100644
--- a/config/nvim/lua/editor/indentline.lua
+++ b/config/nvim/lua/editor/indentline.lua
@@ -6,17 +6,20 @@ end
 ibl.update({
   exclude = {
     filetypes = {
-      'c',
-      'cpp',
-      'h',
-      'hpp',
-      'java',
-      'json',
-      'json5',
-      'nu',
-      'go',
-      'rust',
-      'xml',
+      "c",
+      "cc",
+      "cxx",
+      "cpp",
+      "h",
+      "hpp",
+      "hxx",
+      "java",
+      "json",
+      "json5",
+      "nu",
+      "go",
+      "rust",
+      "xml",
     }
   }
 })
@@ -29,8 +32,8 @@ ibl.update({
 -- }
 --
 -- vim.g.indent_blankline_filetype = {
---   'python',
---   'lua',
+--   "python",
+--   "lua",
 -- }
 --
 -- -- vim.g.indent_blankline_filetype_exclude = {
@@ -39,8 +42,8 @@ ibl.update({
 -- --   "help",
 -- --   "man",
 -- --   "neogitstatus",
--- --   'nerdtree',
--- --   'vista',
+-- --   "nerdtree",
+-- --   "vista",
 -- --   "startify",
 -- --   "packer",
 -- --   "NvimTree",
diff --git a/config/nvim/lua/lang/python.lua b/config/nvim/lua/lang/python.lua
index e07bd70..98e0858 100644
--- a/config/nvim/lua/lang/python.lua
+++ b/config/nvim/lua/lang/python.lua
@@ -7,7 +7,7 @@ local possible_pythons = {
   '/opt/homebrew/bin/python3',
 }
 
-for i, v in pairs(possible_pythons) do
+for _, v in pairs(possible_pythons) do
   if vim.fn.filereadable(v) == 1 then
     vim.api.nvim_set_var('python3_host_prog', v)
     break
@@ -16,22 +16,3 @@ end
 
 vim.api.nvim_set_var('python_highlight_all', 1)
 
--- pymode settings
--- vim.g.pymode = 1
--- vim.g.pymode_trim_whitespaces = 1
--- vim.g.pymode_options_max_line_length = 120
--- vim.g.pymode_lint_options_pep8 = {max_line_length = vim.g.pymode_options_max_line_length}
---
--- vim.g.pymode_rope = 1
--- vim.g.pymode_rope_refix = '<C-c>'
--- vim.g.pymode_lint_cwindow = 0
---
--- -- set completeopt=menuone,noinsert
--- vim.api.nvim_set_var('completeopt', {'menuone', 'noinsert'})
--- vim.g.pymode_rope_completion = 1
--- vim.g.pymode_rope_complete_on_dot = 1
--- vim.g.pymode_rope_autoimport_modules = {'os', 'shutil', 'datetime'}
---
--- -- Find definition
--- vim.g.pymode_rope_goto_definition_bind = '<C-c>g'
--- vim.g.pymode_rope_goto_definition_cmd = 'new'