Vue.component(id:'backTop',BackTop)

Syntax Error: Unexpected token, expected "," (14:16)

  12 | import BackTop from '@/components/backTop/BackTop'

  13 |

> 14 | Vue.component(id:'backTop',BackTop)

     |                 ^

 @ ./src/main.js 18:0-37

 @ multi (webpack)-dev-server/client?http://192.168.1.13:8081&sockPath=/sockjs-node (webpack)/hot/dev-server.js ./src/main.js

老师那么写就没有问题 是什么原因呢