diff --git a/lua/config/statusline.lua b/lua/config/statusline.lua
deleted file mode 100644
index 08ead79..0000000
--- a/lua/config/statusline.lua
+++ /dev/null
@@ -1,228 +0,0 @@
-local fn = vim.fn
-
-local function spell()
-  if vim.o.spell then
-    return string.format("[SPELL]")
-  end
-
-  return ""
-end
-
---- show indicator for Chinese IME
-local function ime_state()
-  if vim.g.is_mac then
-    -- ref: https://github.com/vim-airline/vim-airline/blob/master/autoload/airline/extensions/xkblayout.vim#L11
-    local layout = fn.libcall(vim.g.XkbSwitchLib, "Xkb_Switch_getXkbLayout", "")
-
-    -- We can use `xkbswitch -g` on the command line to get current mode.
-    -- mode for macOS builtin pinyin IME: com.apple.inputmethod.SCIM.ITABC
-    -- mode for Rime: im.rime.inputmethod.Squirrel.Rime
-    local res = fn.match(layout, [[\v(Squirrel\.Rime|SCIM.ITABC)]])
-    if res ~= -1 then
-      return "[CN]"
-    end
-  end
-
-  return ""
-end
-
-local function trailing_space()
-  if not vim.o.modifiable then
-    return ""
-  end
-
-  local line_num = nil
-
-  for i = 1, fn.line("$") do
-    local linetext = fn.getline(i)
-    -- To prevent invalid escape error, we wrap the regex string with `[[]]`.
-    local idx = fn.match(linetext, [[\v\s+$]])
-
-    if idx ~= -1 then
-      line_num = i
-      break
-    end
-  end
-
-  local msg = ""
-  if line_num ~= nil then
-    msg = string.format("[%d]trailing", line_num)
-  end
-
-  return msg
-end
-
-local function mixed_indent()
-  if not vim.o.modifiable then
-    return ""
-  end
-
-  local space_pat = [[\v^ +]]
-  local tab_pat = [[\v^\t+]]
-  local space_indent = fn.search(space_pat, "nwc")
-  local tab_indent = fn.search(tab_pat, "nwc")
-  local mixed = (space_indent > 0 and tab_indent > 0)
-  local mixed_same_line
-  if not mixed then
-    mixed_same_line = fn.search([[\v^(\t+ | +\t)]], "nwc")
-    mixed = mixed_same_line > 0
-  end
-  if not mixed then
-    return ""
-  end
-  if mixed_same_line ~= nil and mixed_same_line > 0 then
-    return "MI:" .. mixed_same_line
-  end
-  local space_indent_cnt = fn.searchcount({ pattern = space_pat, max_count = 1e3 }).total
-  local tab_indent_cnt = fn.searchcount({ pattern = tab_pat, max_count = 1e3 }).total
-  if space_indent_cnt > tab_indent_cnt then
-    return "MI:" .. tab_indent
-  else
-    return "MI:" .. space_indent
-  end
-end
-
-local diff = function()
-  local git_status = vim.b.gitsigns_status_dict
-  if git_status == nil then
-    return
-  end
-
-  local modify_num = git_status.changed
-  local remove_num = git_status.removed
-  local add_num = git_status.added
-
-  local info = { added = add_num, modified = modify_num, removed = remove_num }
-  -- vim.print(info)
-  return info
-end
-
-local virtual_env = function()
-  -- only show virtual env for Python
-  if vim.bo.filetype ~= "python" then
-    return ""
-  end
-
-  local conda_env = os.getenv("CONDA_DEFAULT_ENV")
-  local venv_path = os.getenv("VIRTUAL_ENV")
-
-  if venv_path == nil then
-    if conda_env == nil then
-      return ""
-    else
-      return string.format("  %s (conda)", conda_env)
-    end
-  else
-    local venv_name = vim.fn.fnamemodify(venv_path, ":t")
-    return string.format("  %s (venv)", venv_name)
-  end
-end
-
-local get_active_lsp = function()
-  local msg = "No Active Lsp"
-  local buf_ft = vim.api.nvim_get_option_value("filetype", {})
-  local clients = vim.lsp.get_clients { bufnr = 0 }
-  if next(clients) == nil then
-    return msg
-  end
-
-  for _, client in ipairs(clients) do
-    ---@diagnostic disable-next-line: undefined-field
-    local filetypes = client.config.filetypes
-    if filetypes and vim.fn.index(filetypes, buf_ft) ~= -1 then
-      return client.name
-    end
-  end
-  return msg
-end
-
-require("lualine").setup {
-  options = {
-    icons_enabled = true,
-    theme = "auto",
-    section_separators = "",
-    component_separators = "",
-    disabled_filetypes = {},
-    always_divide_middle = true,
-  },
-  sections = {
-    lualine_a = { "mode" },
-    lualine_b = {
-      {
-        "branch",
-        fmt = function(name, _)
-          -- truncate branch name in case the name is too long
-          return string.sub(name, 1, 20)
-        end,
-      },
-      {
-        virtual_env,
-        color = { fg = "black", bg = "#F1CA81" },
-      },
-    },
-    lualine_c = {
-      {
-        "filename",
-        symbols = {
-          readonly = "[🔒]",
-        },
-      },
-      {
-        "diff",
-        source = diff,
-      },
-      {
-        ime_state,
-        color = { fg = "black", bg = "#f46868" },
-      },
-      {
-        spell,
-        color = { fg = "black", bg = "#a7c080" },
-      },
-    },
-    lualine_x = {
-      {
-        get_active_lsp,
-        icon = " LSP:",
-      },
-      {
-        "diagnostics",
-        sources = { "nvim_diagnostic" },
-        symbols = { error = "🆇 ", warn = "⚠️ ", info = "ℹ️ ", hint = " " },
-      },
-    },
-    lualine_y = {
-      "encoding",
-      {
-        "fileformat",
-        symbols = {
-          unix = "unix",
-          dos = "win",
-          mac = "mac",
-        },
-      },
-      "filetype",
-    },
-    lualine_z = {
-      {
-        trailing_space,
-        color = "WarningMsg",
-      },
-      {
-        mixed_indent,
-        color = "WarningMsg",
-      },
-      "progress"
-    },
-  },
-  inactive_sections = {
-    lualine_a = {},
-    lualine_b = {},
-    lualine_c = { "filename" },
-    lualine_x = { "location" },
-    lualine_y = {},
-    lualine_z = {},
-  },
-  tabline = {},
-  extensions = { "quickfix", "fugitive", "nvim-tree" },
-}