diff --git a/changelog.md b/changelog.md
index ead4d92ef0..cf2eccb141 100644
--- a/changelog.md
+++ b/changelog.md
@@ -1,5 +1,6 @@
 # 更新日志
 2.0(2020-07)
+- 修复了日期类型控件设置一个不在minDate和maxDate之间的日期值时，面板灰化与翻页按钮状态不对的问题
 - BI.OB的on方法返回一个解除监听的函数
 - 修复了grid_view执行_unMount时不调用子组件的_unMount的问题
 - combo新增belowMouse属性,允许popup在点击处弹出
diff --git a/src/case/calendar/calendar.js b/src/case/calendar/calendar.js
index 9d2ed758b1..56507ab349 100644
--- a/src/case/calendar/calendar.js
+++ b/src/case/calendar/calendar.js
@@ -23,8 +23,6 @@ BI.Calendar = BI.inherit(BI.Widget, {
         var self = this, o = this.options, log = {}, De = BI.getDate();
         var mins = o.min.match(/\d+/g);
         var maxs = o.max.match(/\d+/g);
-        Y < (mins[0] | 0) && (Y = (mins[0] | 0));
-        Y > (maxs[0] | 0) && (Y = (maxs[0] | 0));
 
         De.setFullYear(Y, M, D);
         log.ymd = [De.getFullYear(), De.getMonth(), De.getDate()];
diff --git a/src/widget/date/calendar/picker.date.js b/src/widget/date/calendar/picker.date.js
index 2d840b2b07..bf6abd3781 100644
--- a/src/widget/date/calendar/picker.date.js
+++ b/src/widget/date/calendar/picker.date.js
@@ -136,49 +136,68 @@ BI.DatePicker = BI.inherit(BI.Widget, {
         if (!BI.contains(allowMonth, month)) {
             month = allowMonth[0];
         }
+
         return month;
     },
 
     _getAllowMonths: function () {
-        var self = this, o = this.options;
-        var minDate = BI.parseDateTime(o.min, "%Y-%X-%d");
-        var maxDate = BI.parseDateTime(o.max, "%Y-%X-%d");
-        minDate.setDate(1);
-        maxDate.setDate(1);
-        var calcMin = BI.print(minDate, "%Y-%X-%d");
-        var calcMax = BI.print(maxDate, "%Y-%X-%d");
+        var obj = this._getCheckMinMaxDate();
+        var year = this.year.getValue() || this._year;
 
         return BI.filter(BI.range(1, 13), function (idx, v) {
-            return !BI.checkDateVoid(self.year.getValue(), v, 1, calcMin, calcMax)[0];
+            return !BI.checkDateVoid(year, v, 1, obj.min, obj.max)[0];
         });
     },
 
+    // 上一年月不合法则灰化
     _checkLeftValid: function () {
-        var o = this.options;
-        var minDate = BI.parseDateTime(o.min, "%Y-%X-%d");
-        var valid = !(this._month <= (minDate.getMonth() + 1) && this._year <= minDate.getFullYear());
+        var obj = this._getCheckMinMaxDate();
+        var year = this._month === 1 ? this._year - 1 : this._year;
+        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);
 
         return valid;
     },
 
+    // 下一年月不合法则灰化
     _checkRightValid: function () {
-        var o = this.options;
-        var maxDate = BI.parseDateTime(o.max, "%Y-%X-%d");
-        var valid = !(this._month >= (maxDate.getMonth() + 1) && this._year >= maxDate.getFullYear());
+        var obj = this._getCheckMinMaxDate();
+        var year = this._month === 12 ? this._year + 1 : this._year;
+        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);
 
         return valid;
     },
 
+    _getCheckMinMaxDate() {
+        var o = this.options;
+        var minDate = BI.parseDateTime(o.min, "%Y-%X-%d");
+        var maxDate = BI.parseDateTime(o.max, "%Y-%X-%d");
+        minDate.setDate(1);
+        maxDate.setDate(1);
+
+        return {
+            min: BI.print(minDate, "%Y-%X-%d"),
+            max: BI.print(maxDate, "%Y-%X-%d")
+        };
+    },
+
     setMinDate: function (minDate) {
         this.options.min = minDate;
         this.year.setMinDate(minDate);
+        this._refreshMonth();
+        this._checkLeftValid();
+        this._checkRightValid();
     },
 
     setMaxDate: function (maxDate) {
         this.options.max = maxDate;
         this.year.setMaxDate(maxDate);
+        this._refreshMonth();
+        this._checkLeftValid();
+        this._checkRightValid();
     },
 
     setValue: function (ob) {