微信小程序报错VM45:1 Please do not register mul

VM45:1 Please do not register multiple Pages in undefined.js

console.error @ VM45:1

t.error @ WAService.js:1

t.pageHolder @ WAService.js:1

(anonymous) @ index.js? [sm]:3

require @ WAService.js:20

(anonymous) @ appservice?t=1531188400647:1096