[Vue 3.0] @Component/Vue 在vue-class-component 8.0不存在

[VirensCn]

` warning in ./node_modules/vue-property-decorator/lib/index.js

"export 'default' (reexported as 'Component') was not found in 'vue-class-component'

warning in ./node_modules/vue-property-decorator/lib/index.js

"export 'default' (reexported as 'Vue') was not found in 'vue'`

Vue 3 使用的vue-class-component 8.0+中已经不存在@component修饰符，现在使用的是@options

vuejs/vue-class-component#406

[kaorun343]

@VirensCn

I've released RC version of vue-proeprty-decorator, which supports Vue 3.
Please check this, thanks.