diff --git a/docs/examples/range.tsx b/docs/examples/range.tsx
index 7c00e8d34..7b129ae72 100644
--- a/docs/examples/range.tsx
+++ b/docs/examples/range.tsx
@@ -186,6 +186,19 @@ export default () => {
             disabledDate={disabledDate}
           />
         </div>
+        <div style={{ margin: '0 8px' }}>
+          <h3>Allow outof [begin,end]</h3>
+          <RangePicker<Moment>
+            {...sharedProps}
+            value={undefined}
+            locale={zhCN}
+            allowClear
+            limitBeginAndEnd={false}
+            ref={rangePickerRef}
+            clearIcon={<span>X</span>}
+            suffixIcon={<span>O</span>}
+          />
+        </div>
       </div>
     </div>
   );
diff --git a/src/PickerPanel.tsx b/src/PickerPanel.tsx
index 0f8271b16..e50d4d9ba 100644
--- a/src/PickerPanel.tsx
+++ b/src/PickerPanel.tsx
@@ -61,6 +61,8 @@ export type PickerPanelSharedProps<DateType> = {
 
   // Date
   disabledDate?: (date: DateType) => boolean;
+  // disable outof range[begin,end];  default true
+  limitBeginAndEnd?:boolean
 
   // Render
   dateRender?: DateRender<DateType>;
diff --git a/src/RangePicker.tsx b/src/RangePicker.tsx
index 8c1349f73..72b6026d7 100644
--- a/src/RangePicker.tsx
+++ b/src/RangePicker.tsx
@@ -195,6 +195,7 @@ function InnerRangePicker<DateType>(props: RangePickerProps<DateType>) {
     open,
     defaultOpen,
     disabledDate,
+    limitBeginAndEnd=true,
     disabledTime,
     dateRender,
     panelRender,
@@ -329,8 +330,8 @@ function InnerRangePicker<DateType>(props: RangePickerProps<DateType>) {
       disabledDate,
       generateConfig,
     },
-    openRecordsRef.current[1],
-    openRecordsRef.current[0],
+    limitBeginAndEnd&&openRecordsRef.current[1],
+    limitBeginAndEnd&&openRecordsRef.current[0],
   );
 
   // ============================= Open ==============================
@@ -405,6 +406,13 @@ function InnerRangePicker<DateType>(props: RangePickerProps<DateType>) {
     let values = newValue;
     let startValue = getValue(values, 0);
     let endValue = getValue(values, 1);
+    
+    // change startValue and endValue ,if start > end
+    if(startValue && endValue &&!generateConfig.isAfter(endValue,startValue,)){
+      const tmp=endValue
+      endValue=startValue
+      startValue=tmp
+    }
 
     // >>>>> Format start & end values
     if (startValue && endValue && generateConfig.isAfter(startValue, endValue)) {