vant-weapp/dist/tag/index.js

import { VantComponent } from '../common/component';
VantComponent({
    props: {
        size: String,
        mark: Boolean,
        color: String,
        plain: Boolean,
        round: Boolean,
        textColor: String,
        type: {
            type: String,
            value: 'default'
        }
    }
});