diff --git a/packages/calendar/src/date-table.vue b/packages/calendar/src/date-table.vue
index e1c8366b8b..e2d2c00058 100644
--- a/packages/calendar/src/date-table.vue
+++ b/packages/calendar/src/date-table.vue
@@ -117,7 +117,8 @@ export default {
         days = currentMonthRange.concat(nextMonthRange);
       } else {
         const date = this.date;
-        const firstDay = getFirstDayOfMonth(date);
+        let firstDay = getFirstDayOfMonth(date);
+        firstDay = firstDay === 0 ? 7 : firstDay;
         const prevMonthDays = getPrevMonthLastDays(date, firstDay - 1).map(day => ({
           text: day,
           type: 'prev'