diff --git a/UltiSnips/c.snippets b/UltiSnips/c.snippets
index ce0595f..b9605e7 100644
--- a/UltiSnips/c.snippets
+++ b/UltiSnips/c.snippets
@@ -111,7 +111,7 @@ if (!`!p snip.rv = match.group(1)`) {
 $0
 endsnippet
 
-snippet "(\w+) = open" "Automatic open error implementation" rA
+snippet "(\w+) = open" "Automatic open error implementation" r
 /* create descriptor `!p snip.rv = match.group(1)` for file $1 */
 `!p snip.rv = match.group(1)` = open(${1:"Filename"}, ${2:"MODE"});
 if (-1 == `!p snip.rv = match.group(1)`) {
diff --git a/lua/vanilla.lua b/lua/vanilla.lua
index 2e47965..47c247f 100644
--- a/lua/vanilla.lua
+++ b/lua/vanilla.lua
@@ -8,7 +8,6 @@ vim.opt.hlsearch = true
 vim.opt.encoding = "UTF-8"
 vim.g.tex_flavor = "latex"
 vim.opt.conceallevel = 2
-vim.opt.guifont = "DroidSansMono Nerd Font 11"
 vim.g.mapleader = ","
 
 -- set color scheme
diff --git a/viml/vanilla.vim b/viml/vanilla.vim
index b8984ce..6ccbcbc 100644
--- a/viml/vanilla.vim
+++ b/viml/vanilla.vim
@@ -4,7 +4,7 @@ filetype plugin on
 syntax on
 
 " colorscheme vim-monokai-tasty
-colorscheme default
+colorscheme desert
 
 " open builtin terminal
 function OpenTerm()