                day += 1;
                const lastDayOfMonth = new Date(year, month, 0).getDate();
                if (day > lastDayOfMonth) {
                    month += 1;
                    if (month > 12) {
                        year += 1;
                        month = 1;
                    }
                    day = 1;
                }
            }

            const newDateStr = `${year.toString().padStart(4, '0')}${month.toString().padStart(2, '0')}/${day.toString().padStart(2, '0')}.html