problem description
 ERROR in. / node_modules/vux/src/components/alert/index.vue 
 Module parse failed: Unexpected token (1:0) 
 You may need an appropriate loader to handle this file type. 
 | < template > 
 | < div class= "vux-alert" > 
 | < x-dialog 
 @. / node_modules/vux/src/plugins/alert/util.js 3:0-52 
 @. / node_modules/vux/src/plugins/alert/index.js 
 @. / src/app.js 
 @ multi (webpack)-dev-server/client ?  http://localhost:8080 webpack/hot/dev-server. / src/app.js 
the environmental background of the problems and what methods you have tried
use vux, but manually configure it yourself
related codes
/ / Please paste the code text below (do not replace the code with pictures)
