From 92de06fbfca52fcf8d46b89a164e01ae453f0aa7 Mon Sep 17 00:00:00 2001
From: windy <1374721899@qq.com>
Date: Wed, 29 Jul 2020 13:40:36 +0800
Subject: [PATCH] =?UTF-8?q?=E6=97=A0JIRA=E4=BB=BB=E5=8A=A1=20=E6=9B=B4?=
 =?UTF-8?q?=E6=96=B0=E5=8F=98=E9=87=8F?=
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---
 src/widget/date/calendar/picker.date.js | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/widget/date/calendar/picker.date.js b/src/widget/date/calendar/picker.date.js
index 21258aadff..dbb28bb723 100644
--- a/src/widget/date/calendar/picker.date.js
+++ b/src/widget/date/calendar/picker.date.js
@@ -153,7 +153,7 @@ BI.DatePicker = BI.inherit(BI.Widget, {
     _checkLeftValid: function () {
         var obj = this._getCheckMinMaxDate();
         var year = this._month === 1 ? this._year - 1 : this._year;
-        var month = this._month === 1 ? 12 : this.month - 1;
+        var month = this._month === 1 ? 12 : this._month - 1;
         var valid = BI.isNull(BI.checkDateVoid(year, month, 1, obj.min, obj.max)[0]);
         this.left.setEnable(valid);
 
@@ -164,7 +164,7 @@ BI.DatePicker = BI.inherit(BI.Widget, {
     _checkRightValid: function () {
         var obj = this._getCheckMinMaxDate();
         var year = this._month === 12 ? this._year + 1 : this._year;
-        var month = this._month === 12 ? 1 : this.month + 1;
+        var month = this._month === 12 ? 1 : this._month + 1;
         var valid = BI.isNull(BI.checkDateVoid(year, month, 1, obj.min, obj.max)[0]);
         this.right.setEnable(valid);