手表自动
一个自己用的根据自己意图看bl视频网站v0.0.2：添加导航栏，添加同级组件通讯（bar与手表）。
构建设置
# install dependencies
npm install
# serve with hot reload at localhost:8080
npm run dev
# build for production with minification
npm run build
# build for production and view the bundle ana
