Revise paste Final COC vimrc

"cliboard-setting
set clipboard=unnamed
set ruler
"font
"set gfn=SauceCodePro\ NFM:h10
"set gfn=consolas:h15
"set gfn=FiraCode\ Nerd\ Font\ Mono:h10
"set gfn=JetBrainsMono\ Nerd\ Font\ Mono:h10
set gfn=FixedsysExcelsiorIIIb_NFM:h12
set gfn=Consolas\ NF:h10.5
"filesetting
set hidden
set backspace=2
set noswapfile
set nobackup
set nocompatible
set encoding=utf-8

set nu
set splitbelow
"set relativenumber
"syntax
syntax on

"indent
set autoindent
set smartindent
set cindent
"set cursorline
set expandtab
set smarttab

"tab
set ts=4
set sw=4

"set auto-pairs
inoremap {<CR> {<CR>}<ESC>O
inoremap { {}<ESC>i
inoremap } <c-r>=ClosePair('}')<CR> 
inoremap ( ()<ESC>i
inoremap ) <c-r>=ClosePair(')')<CR>
inoremap [ []<ESC>i
inoremap ] <c-r>=ClosePair(']')<CR>
function! ClosePair(char)
    if getline('.')[col('.') - 1] == a:char
        return "\<Right>"
    else
        return a:char
    endif
endfunction

"Compile
func! Comp()
	exec "w"
	if &filetype == "cpp"
		exec "!g++ -O2 -std=c++17 -Wall -Wfatal-errors % -o %<"
	elseif &filetype == "cc"
		exec "!g++ -O2 -std=c++17 -Wall -Wfatal-errors % -o %<"
	elseif &filetype == "java"
		exec "!javac %"
	endif
endfunc
set guioptions -=T
func! Run()
    exec "w"
    if &filetype == "java"
        exec "!java %<"
    elseif &filetype == "cc"
        exec "!%<.exe"
    elseif &filetype == "cpp"
        exec "!%<.exe"
    endif
endfunc

call plug#begin('~/vimfiles/plugged')
Plug 'vim-airline/vim-airline'
Plug 'vim-airline/vim-airline-themes'
Plug 'christoomey/vim-tmux-navigator'
Plug 'fenetikm/falcon'
Plug 'octol/vim-cpp-enhanced-highlight'
Plug 'neoclide/coc.nvim', {'branch': 'release'}
Plug 'sonph/onehalf', { 'rtp': 'vim' }
Plug 'altercation/vim-colors-solarized'
Plug 'morhetz/gruvbox'
Plug 'Yggdroot/indentLine'
Plug 'tinted-theming/base16-vim'
Plug 'sainnhe/gruvbox-material'
Plug 'echasnovski/mini.base16'
Plug 'vim-airline/vim-airline-themes'
Plug 'junegunn/seoul256.vim'
Plug 'lifepillar/vim-solarized8'
Plug 'sainnhe/sonokai'
Plug 'ryanoasis/vim-devicons'
Plug 'joshdick/onedark.vim'
Plug 'tomasiser/vim-code-dark'
Plug 'preservim/nerdtree'
Plug 'preservim/tagbar'
Plug 'lycuid/vim-far'
call plug#end()

set background=dark

"colorscheme base16-google-dark
"colorscheme base16-gruvbox-material-dark-hard
"colorscheme base16-gruvbox-material-light-hard
"colorscheme base16-solarized-dark
"colorscheme base16-solarized-light
"colorscheme base16-tokyo-night-light
"colorscheme base16-tokyo-night-terminal-light
"colorscheme base16-kanagawa
"colorscheme base16-spaceduck
"colorscheme base16-eighties
"colorscheme base16-tube
"colorscheme base16-spacemacs
"colorscheme base16-selenized-light
"colorscheme base16-selenized-black
"colorscheme base16-windows-highcontrast
"colorscheme base16-windows-nt-light
"colorscheme base16-windows-95-light
"let g:seoul256_background = 256
"colorscheme seoul256
"colorscheme solarized8_high
"colorscheme sonokai
"colorscheme onedark
"colorscheme codedark
"colorscheme onehalflight
colorscheme far
noremap x :bd<CR>

augroup VIMRC
    au!
    au BufWritePost .vimrc so %
augroup END

"set keymaps
noremap <F2> :NERDTreeToggle<CR>
noremap L :bn<CR>
noremap H :bp<CR>
noremap <F3> :!git status<CR>
noremap <F4> :w<CR>
noremap <F5> :CocRestart<CR>
noremap <F6> :!git add .<CR>
noremap <F7> :!git commit -m "
noremap <F8> :TagbarToggle<CR>
noremap J :u<CR>
noremap <F9> :call Comp()<CR>
noremap <F10> :!git push<CR>
noremap <F11> :call Run()<CR>
noremap <F12> :!%<.exe <

"background
hi NONTEXT ctermbg=NONE
hi NORMAL ctermbg=NONE
"template

set laststatus=2  "永远显示状态栏 
let g:airline_powerline_fonts = 1  " 支持 powerline 字体
let g:airline#extensions#tabline#enabled = 1

"syntax setting
let g:cpp_class_scope_highlight = 1
let g:cpp_member_variable_highlight = 1
let g:cpp_class_decl_highlight = 1
let g:cpp_posix_standard = 1
let g:cpp_experimental_simple_template_highlight = 1
let g:cpp_concepts_highlight = 1

set updatetime=300

inoremap <silent><expr> <CR> coc#pum#visible() ? coc#pum#confirm()
                              \: "\<C-g>u\<CR>\<c-r>=coc#on_enter()\<CR>"
inoremap <silent><expr> <TAB>
      \ coc#pum#visible() ? coc#_select_confirm() :
      \ coc#expandableOrJumpable() ? "\<C-r>=coc#rpc#request('doKeymap', ['snippets-expand-jump',''])\<CR>" :
      \ CheckBackspace() ? "\<TAB>" :
      \ coc#refresh()

function! CheckBackspace() abort
  let col = col('.') - 1
  return !col || getline('.')[col - 1]  =~# '\s'
endfunction

let g:coc_snippet_next = '<tab>'

"indentline
let g:indentLine_setColors = 0

"airline
let g:airline#extensions#tabline#fnamemod = ':t'

let g:airline#extensions#tabline#show_tab_type = 0