update comment

    mounted () {

    function bus_redirect(){

        // JSON is from https://github.com/NateScarlet/holiday-cn

        // need to update by year

        // need to update by year.

        // Download the JSON to path "docs/.vuepress/public/YYYY.json"

        $.getJSON("/2021.json", function (data) {

            var day_map = {};

            for (let i = 0; i < data.days.length; i++) {