diff --git a/packages/date-picker/src/basic/month-table.vue b/packages/date-picker/src/basic/month-table.vue
index d16a560fe..238cb99c6 100644
--- a/packages/date-picker/src/basic/month-table.vue
+++ b/packages/date-picker/src/basic/month-table.vue
@@ -67,7 +67,7 @@
         var year = this.date.getFullYear();
         var date = new Date(0);
         date.setFullYear(year);
-        date.setMonth(month);
+        date.setMonth(month, 1);
         date.setHours(0);
         var nextMonth = new Date(date);
         nextMonth.setMonth(month + 1);
diff --git a/packages/date-picker/src/basic/year-table.vue b/packages/date-picker/src/basic/year-table.vue
index 8bc2e8cba..95de39df7 100644
--- a/packages/date-picker/src/basic/year-table.vue
+++ b/packages/date-picker/src/basic/year-table.vue
@@ -63,9 +63,7 @@
       getCellStyle(year) {
         const style = {};
 
-        var date = new Date(0);
-        date.setFullYear(year);
-        date.setHours(0);
+        var date = new Date(year, 0, 1, 0);
         var nextYear = new Date(date);
         nextYear.setFullYear(year + 1);