diff --git a/LearnEnglish/LearnEnglish/Views/HistoryViewController.swift b/LearnEnglish/LearnEnglish/Views/HistoryViewController.swift
index bef01b6..f6447ee 100644
--- a/LearnEnglish/LearnEnglish/Views/HistoryViewController.swift
+++ b/LearnEnglish/LearnEnglish/Views/HistoryViewController.swift
@@ -54,6 +54,7 @@ final class HistoryViewController: UIViewController {
     private func setupCalendar() {
         calendarView.delegate = self
         calendarView.calendar = .current
+        calendarView.calendar.firstWeekday = 2
         calendarView.locale = Locale(identifier: "zh_CN")
         let selection = UICalendarSelectionSingleDate(delegate: self)
         calendarView.selectionBehavior = selection