请帮助我，我在为我的NeoVim设置init.vim时遇到了奇怪的问题。以下是我的init.vim文件，没有显示任何错误。但是当我想安装插件时，在运行
:PlugInstall命令后，只有vim-code-dark插件被安装了，其他插件如vim-polyglot和NERDTree没有被安装。请告诉我我错在哪里。我已经困在这里2天了，但无法设置我的Vim编辑器。" Auto-Install vim-plug
if empty(glob('~/.config/nvim/autoload/plug.vim'))
silent !curl -fLo ~/.config/nvim/autoload/plug.vim --create-dirs
\ https://raw.githubusercontent.com/junegunn/vim-plug/master/plug.vim
"autocmd VimEnter * PlugInstall
"autocmd VimEnter * PlugInstall | source $MYVIMRC
endif
"__________________________________________________________________________________________
" Vim-Editor Plugins
call plug#begin('~/.config/nvim/autoload/plugged')
Plug 'sheerun/vim-polyglot'
Plug 'scrooloose/NERDTree'
Plug 'jiangmiao/auto-pairs'
call plug#end()
"__________________________________________________________________________________________
" General Editor Settings
" set leader key
let g:mapleader = "\<ALT>"
" vim basics
set encoding=utf-8
syntax enable
set relativenumber
set noswapfile
set scrolloff=4
set backspace=indent,eol,start
" vim basics
set encoding=utf-8
syntax enable
set relativenumber
set noswapfile
set scrolloff=4
set backspace=indent,eol,start
" indentation
set tabstop=4
set softtabstop=4
set shiftwidth=4
set expandtab
set autoindent
set fileformat=unix
set incsearch
set ignorecase
set smartcase
set nohlsearch
set nobackup
set nowrap
filetype plugin indent on
" autocompletion
set updatetime=300
"__________________________________________________________________________________________
" Vim Themes
call plug#begin('~/.config/nvim/autoload/plugged')
Plug 'tomasiser/vim-code-dark'
call plug#end()
colorscheme codedark
let g:airline_theme = 'codedark'