npm run bootstrap 安装出错是什么问题

[sbbs3626]

npm run bootstrap && npm run build:file && cooking watch -c scripts/cooking.demo.js -p

element-ui@1.0.0-rc.4 bootstrap /Users/zhengqiong/GitHub/element
npm i && lerna bootstrap --loglevel=error

npm WARN vue-infinite-scroll@0.2.3 requires a peer of vue@^1.0.10 but none was installed.
npm WARN vue-swipe@0.2.6 requires a peer of vue@^1.0.10 but none was installed.
npm WARN element-ui@1.0.0-rc.4 No license field.

Agreeing to the Xcode/iOS license requires admin privileges, please re-run as root via sudo.

Initializing Git repository.

Agreeing to the Xcode/iOS license requires admin privileges, please re-run as root via sudo.

child_process.js:526
throw err;
^

Error: Command failed: git init

Agreeing to the Xcode/iOS license requires admin privileges, please re-run as root via sudo.

[QingWei-Li]

XCode license

sudo xcodebuild -license

[sbbs3626]

谢谢，已解决！