diff --git a/packages/layers/src/index.ts b/packages/layers/src/index.ts
index 642c30eb34..d6b45f40cd 100644
--- a/packages/layers/src/index.ts
+++ b/packages/layers/src/index.ts
@@ -151,3 +151,5 @@ export {
   WindLayer,
   MaskLayer,
 };
+
+export * from './core/interface';
diff --git a/stories/Scale/Scale.stories.tsx b/stories/Scale/Scale.stories.tsx
index 77af2c7ec7..881f4b5c95 100644
--- a/stories/Scale/Scale.stories.tsx
+++ b/stories/Scale/Scale.stories.tsx
@@ -2,7 +2,9 @@ import { storiesOf } from '@storybook/react';
 import * as React from 'react';
 import Quantize from './components/Quantize';
 import PointScale from './components/Point';
+import Threshold from './components/Threshold';
 
 storiesOf('数据映射', module)
   .add('枚举类型', () => <PointScale />)
-  .add('颜色范围等分', () => <Quantize />);
+  .add('颜色范围等分', () => <Quantize />)
+  .add('自定义范围', () => <Threshold />);
diff --git a/stories/Scale/components/Threshold.tsx b/stories/Scale/components/Threshold.tsx
new file mode 100644
index 0000000000..7f15fec1f5
--- /dev/null
+++ b/stories/Scale/components/Threshold.tsx
@@ -0,0 +1,314 @@
+import { PolygonLayer, Scene, Popup } from '@antv/l7';
+import { GaodeMap } from '@antv/l7-maps';
+import * as React from 'react';
+
+const list = [
+  {
+    value: 1.0,
+    province_adcode: '110000',
+    province_adName: '北京市',
+    province: '北京市',
+  },
+  {
+    value: 2.0,
+    province_adcode: '120000',
+    province_adName: '天津市',
+    province: '天津市',
+  },
+  {
+    value: 3.0,
+    province_adcode: '130000',
+    province_adName: '河北省',
+    province: '河北省',
+  },
+  {
+    value: 4.0,
+    province_adcode: '140000',
+    province_adName: '山西省',
+    province: '山西省',
+  },
+  {
+    value: 5.0,
+    province_adcode: '150000',
+    province_adName: '内蒙古自治区',
+    province: '内蒙古自治区',
+  },
+  {
+    value: 6.0,
+    province_adcode: '210000',
+    province_adName: '辽宁省',
+    province: '辽宁省',
+  },
+  {
+    value: 7.0,
+    province_adcode: '220000',
+    province_adName: '吉林省',
+    province: '吉林省',
+  },
+  {
+    value: 8.0,
+    province_adcode: '230000',
+    province_adName: '黑龙江省',
+    province: '黑龙江省',
+  },
+  {
+    value: 9.0,
+    province_adcode: '310000',
+    province_adName: '上海市',
+    province: '上海市',
+  },
+  {
+    value: 10.0,
+    province_adcode: '320000',
+    province_adName: '江苏省',
+    province: '江苏省',
+  },
+  {
+    value: 11.0,
+    province_adcode: '330000',
+    province_adName: '浙江省',
+    province: '浙江省',
+  },
+  {
+    value: 12.0,
+    province_adcode: '340000',
+    province_adName: '安徽省',
+    province: '安徽省',
+  },
+  {
+    value: 13.0,
+    province_adcode: '350000',
+    province_adName: '福建省',
+    province: '福建省',
+  },
+  {
+    value: 14.0,
+    province_adcode: '360000',
+    province_adName: '江西省',
+    province: '江西省',
+  },
+  {
+    value: 15.0,
+    province_adcode: '370000',
+    province_adName: '山东省',
+    province: '山东省',
+  },
+  {
+    value: 16.0,
+    province_adcode: '410000',
+    province_adName: '河南省',
+    province: '河南省',
+  },
+  {
+    value: 17.0,
+    province_adcode: '420000',
+    province_adName: '湖北省',
+    province: '湖北省',
+  },
+  {
+    value: 18.0,
+    province_adcode: '430000',
+    province_adName: '湖南省',
+    province: '湖南省',
+  },
+  {
+    value: 19.0,
+    province_adcode: '440000',
+    province_adName: '广东省',
+    province: '广东省',
+  },
+  {
+    value: 20.0,
+    province_adcode: '450000',
+    province_adName: '广西壮族自治区',
+    province: '广西壮族自治区',
+  },
+  {
+    value: 21.0,
+    province_adcode: '460000',
+    province_adName: '海南省',
+    province: '海南省',
+  },
+  {
+    value: 22.0,
+    province_adcode: '500000',
+    province_adName: '重庆市',
+    province: '重庆市',
+  },
+  {
+    value: 23.0,
+    province_adcode: '510000',
+    province_adName: '四川省',
+    province: '四川省',
+  },
+  {
+    value: 24.0,
+    province_adcode: '520000',
+    province_adName: '贵州省',
+    province: '贵州省',
+  },
+  {
+    value: 25.0,
+    province_adcode: '530000',
+    province_adName: '云南省',
+    province: '云南省',
+  },
+  {
+    value: 26.0,
+    province_adcode: '540000',
+    province_adName: '西藏自治区',
+    province: '西藏自治区',
+  },
+  {
+    value: 27.0,
+    province_adcode: '610000',
+    province_adName: '陕西省',
+    province: '陕西省',
+  },
+  {
+    value: 28.0,
+    province_adcode: '630000',
+    province_adName: '青海省',
+    province: '青海省',
+  },
+  {
+    value: 29.0,
+    province_adcode: '640000',
+    province_adName: '宁夏回族自治区',
+    province: '宁夏回族自治区',
+  },
+  {
+    value: 30.0,
+    province_adcode: '650000',
+    province_adName: '新疆维吾尔自治区',
+    province: '新疆维吾尔自治区',
+  },
+  {
+    value: 31.0,
+    province_adcode: '710000',
+    province_adName: '台湾省',
+    province: '台湾省',
+  },
+  {
+    value: 32.0,
+    province_adcode: '810000',
+    province_adName: '香港特别行政区',
+    province: '香港特别行政区',
+  },
+  {
+    value: 33.0,
+    province_adcode: '820000',
+    province_adName: '澳门特别行政区',
+    province: '澳门特别行政区',
+  },
+];
+
+export default class Quantize extends React.Component {
+  private scene: Scene;
+
+  public componentWillUnmount() {
+    this.scene.destroy();
+  }
+
+  public async componentDidMount() {
+    const scene = new Scene({
+      id: 'map',
+      pickBufferScale: 1.0,
+      map: new GaodeMap({
+        style: 'light',
+        center: [-121.24357, 37.58264],
+        pitch: 0,
+        zoom: 6.45,
+      }),
+    });
+    scene.on('loaded', () => {
+      fetch(
+        'https://gw.alipayobjects.com/os/alisis/geo-data-v0.1.1/choropleth-data/country/100000_country_province.json',
+      )
+        .then((res) => res.json())
+        .then((data) => {
+          const chinaPolygonLayer = new PolygonLayer({
+            autoFit: true,
+          })
+            .source(data, {
+              transforms: [
+                {
+                  type: 'join',
+                  sourceField: 'province_adName',
+                  targetField: 'name', // data 对应字段名 绑定到的地理数据
+                  data: list,
+                },
+              ],
+            })
+            .scale({
+              value: {
+                type: 'threshold',
+                domain: [5, 13, 24, 40],
+              },
+            })
+            .color('value', [
+              '#d7191c',
+              '#fdae61',
+              '#ffffbf',
+              '#abdda4',
+              '#2b83ba',
+            ])
+            .shape('fill');
+
+          const textLayer = new PolygonLayer({
+            autoFit: false,
+          })
+            .source(data, {
+              transforms: [
+                {
+                  type: 'join',
+                  sourceField: 'province_adName',
+                  targetField: 'name', // data 对应字段名 绑定到的地理数据
+                  data: list,
+                },
+              ],
+            })
+            .size(10)
+            .color('#f00')
+            .shape('value', 'text');
+
+          chinaPolygonLayer.on('add', (type) => {
+            console.log(
+              'getLegendItems: ',
+              chinaPolygonLayer.getLegendItems('color'),
+            );
+          });
+
+          chinaPolygonLayer.on('mousemove', (e) => {
+            const popup = new Popup({
+              offsets: [0, 0],
+              closeButton: false,
+            })
+              .setLnglat(e.lngLat)
+              .setHTML(e.feature.properties.name + e.feature.properties.value);
+            scene.addPopup(popup);
+          });
+
+          scene.addLayer(chinaPolygonLayer);
+          scene.addLayer(textLayer);
+        });
+
+      this.scene = scene;
+    });
+  }
+
+  public render() {
+    return (
+      <div
+        id="map"
+        style={{
+          position: 'absolute',
+          top: 0,
+          left: 0,
+          right: 0,
+          bottom: 0,
+        }}
+      />
+    );
+  }
+}