快捷键删除后，怎么恢复

VSCode Version: Code 1.18.1 (929bacba01ef658b873545e26034d1a8067445e9, 2017-11-16T18:32:36.023Z)
OS Version: Windows_NT x64 10.0.15063
Extensions:

Extension	Author (truncated)	Version
html-snippets	abu	0.1.0
vscode-css-formatter	aes	1.0.0
vscode-es-beautifier	dai	1.0.0
vscode-markdownlint	Dav	0.11.1
jshint	dba	0.10.15
vscode-eslint	dba	1.4.3
wpy-beautify	doi	2.0.10
vscode-babel-coloring	dza	0.0.4
vscode-html-css	ecm	0.1.8
vscode-npm-script	eg2	0.3.3
vscode-great-icons	emm	2.1.20
mithril-emmet	Fal	0.6.1
php-debug	fel	1.12.1
php-intellisense	fel	2.0.1
php-pack	fel	1.0.1
mdmath	goe	2.0.7
vscode-auto-open-markdown-preview	hnw	0.0.4
vue-snippets	hol	0.1.5
vscode-picture	Jak	1.0.0
vue	liu	0.1.5
vscode-JS-CSS-HTML-formatter	lon	0.2.3
vscode-language-babel	mgm	0.0.10
evermonkey	mic	2.4.0
code-beautifier	mic	1.7.2
vscode-fileheader	mik	0.0.2
sublime-keybindings	ms-	3.0.3
vs-keybindings	ms-	0.1.7
debugger-for-chrome	msj	3.5.0
vetur	oct	0.11.3
vuehelper	oys	0.1.0
vue-vscode-snippets	sdr	1.2.0
ejs-snippets	Tao	0.1.0
JavaScriptSnippets	xab	1.5.0
markdown-pdf	yza	0.1.7

(2 theme extensions excluded)

Steps to Reproduce:

1. 2.

Reproduces without extensions: Yes/No

microsoft / vscode