diff --git a/lua/rayandrew/set.lua b/lua/rayandrew/set.lua
index f8292a0..2a2c0a0 100644
--- a/lua/rayandrew/set.lua
+++ b/lua/rayandrew/set.lua
@@ -51,7 +51,7 @@ opt.swapfile = false
 opt.tabstop = 2 -- Number of spaces tabs count for
 opt.termguicolors = true -- True color support
 opt.timeoutlen = 300
-opt.undodir = os.getenv("HOME") .. "/.vim/undodir"
+opt.undodir = os.getenv("HOME") .. "/.vim/undodir" -- Set an undo directory
 opt.undofile = true
 opt.undolevels = 10000
 opt.updatetime = 200 -- Save swap file and trigger CursorHold
@@ -60,11 +60,12 @@ opt.winminwidth = 5 -- Minimum window width
 opt.wrap = false -- Disable line wrap
 
 -- For UFO
-vim.o.foldcolumn = "1"
+-- vim.o.foldcolumn = "1"
+vim.o.foldcolumn = "0"
 vim.o.foldlevel = 99
 vim.o.foldlevelstart = 99
 vim.o.foldenable = true
-vim.o.fillchars = [[eob: ,fold: ,foldopen:,foldsep: ,foldclose:]]
+-- vim.o.fillchars = [[eob: ,fold: ,foldopen:,foldsep: ,foldclose:]]
 
 if vim.fn.has("nvim-0.9.0") == 1 then
   opt.splitkeep = "screen"