diff --git a/packages/actionsheet/index.tsx b/packages/actionsheet/index.tsx
index 72d12312d..4259b728b 100644
--- a/packages/actionsheet/index.tsx
+++ b/packages/actionsheet/index.tsx
@@ -90,6 +90,8 @@ function Actionsheet(
       class={bem()}
       value={props.value}
       position="bottom"
+      overlay={props.overlay}
+      closeOnClickOverlay={props.closeOnClickOverlay}
       onInput={(value: boolean) => {
         emit(ctx, 'input', value);
       }}
diff --git a/packages/notify/Notify.js b/packages/notify/Notify.js
deleted file mode 100644
index edad5883f..000000000
--- a/packages/notify/Notify.js
+++ /dev/null
@@ -1,44 +0,0 @@
-import { use } from '../utils';
-import { RED, WHITE } from '../utils/color';
-import { PopupMixin } from '../mixins/popup';
-
-const [sfc, bem] = use('notify');
-
-export default sfc({
-  mixins: [PopupMixin],
-
-  props: {
-    className: null,
-    message: [String, Number],
-    color: {
-      type: String,
-      value: WHITE
-    },
-    background: {
-      type: String,
-      value: RED
-    },
-    duration: {
-      type: Number,
-      value: 3000
-    },
-    lockScroll: {
-      type: Boolean,
-      default: false
-    }
-  },
-
-  render(h) {
-    const style = {
-      color: this.color,
-      background: this.background
-    };
-    return (
-      <transition name="van-slide-down">
-        <div vShow={this.value} class={[bem(), this.className]} style={style}>
-          {this.message}
-        </div>
-      </transition>
-    );
-  }
-});
diff --git a/packages/notify/Notify.tsx b/packages/notify/Notify.tsx
new file mode 100644
index 000000000..70a87a075
--- /dev/null
+++ b/packages/notify/Notify.tsx
@@ -0,0 +1,69 @@
+import { use } from '../utils';
+import { RED, WHITE } from '../utils/color';
+import { emit, inherit } from '../utils/functional';
+import { PopupMixin } from '../mixins/popup';
+import Popup from '../popup';
+
+// Types
+import { CreateElement, RenderContext } from 'vue/types';
+import { DefaultSlots } from '../utils/use/sfc';
+import { PopupMixinProps } from '../mixins/popup/type';
+
+export type NotifyProps = PopupMixinProps & {
+  color: string;
+  message: string | number;
+  duration: number;
+  className?: any;
+  background: string;
+};
+
+const [sfc, bem] = use('notify');
+
+function Notify(
+  h: CreateElement,
+  props: NotifyProps,
+  slots: DefaultSlots,
+  ctx: RenderContext<NotifyProps>
+) {
+  const style = {
+    color: props.color,
+    background: props.background
+  };
+
+  return (
+    <Popup
+      value={props.value}
+      style={style}
+      position="top"
+      overlay={false}
+      lockScroll={false}
+      class={[bem(), props.className]}
+      onInput={(value: boolean) => {
+        emit(ctx, 'input', value);
+      }}
+      {...inherit(ctx)}
+    >
+      {props.message}
+    </Popup>
+  );
+}
+
+Notify.props = {
+  ...PopupMixin.props,
+  className: null as any,
+  message: [String, Number],
+  color: {
+    type: String,
+    default: WHITE
+  },
+  background: {
+    type: String,
+    default: RED
+  },
+  duration: {
+    type: Number,
+    default: 3000
+  }
+};
+
+export default sfc<NotifyProps>(Notify);
diff --git a/packages/notify/index.js b/packages/notify/index.js
deleted file mode 100644
index ed732205d..000000000
--- a/packages/notify/index.js
+++ /dev/null
@@ -1,75 +0,0 @@
-import Vue from 'vue';
-import VanNotify from './Notify';
-import { RED, WHITE } from '../utils/color';
-import { isObj, isServer } from '../utils';
-
-let timer;
-let instance;
-
-const initInstance = () => {
-  instance = new (Vue.extend(VanNotify))({
-    el: document.createElement('div')
-  });
-
-  document.body.appendChild(instance.$el);
-};
-
-const parseOptions = message => (isObj(message) ? message : { message });
-
-const Notify = options => {
-  /* istanbul ignore if */
-  if (isServer) {
-    return;
-  }
-
-  if (!instance) {
-    initInstance();
-  }
-
-  options = {
-    ...Notify.currentOptions,
-    ...parseOptions(options)
-  };
-
-  Object.assign(instance, options);
-  clearTimeout(timer);
-
-  if (options.duration > 0) {
-    timer = setTimeout(Notify.clear, options.duration);
-  }
-
-  return instance;
-};
-
-Notify.clear = () => {
-  if (instance) {
-    instance.value = false;
-  }
-};
-
-Notify.defaultOptions = {
-  value: true,
-  text: '',
-  color: WHITE,
-  background: RED,
-  duration: 3000,
-  className: ''
-};
-
-Notify.setDefaultOptions = options => {
-  Object.assign(Notify.currentOptions, options);
-};
-
-Notify.resetDefaultOptions = () => {
-  Notify.currentOptions = { ...Notify.defaultOptions };
-};
-
-Notify.install = () => {
-  Vue.use(VanNotify);
-};
-
-Notify.resetDefaultOptions();
-
-Vue.prototype.$notify = Notify;
-
-export default Notify;
diff --git a/packages/notify/index.less b/packages/notify/index.less
index a6b44947a..6b1d685a5 100644
--- a/packages/notify/index.less
+++ b/packages/notify/index.less
@@ -1,9 +1,6 @@
 @import '../style/var';
 
 .van-notify {
-  position: fixed;
-  top: 0;
-  width: 100%;
   text-align: center;
   box-sizing: border-box;
   padding: @notify-padding;
diff --git a/packages/notify/index.ts b/packages/notify/index.ts
new file mode 100644
index 000000000..a67e731e8
--- /dev/null
+++ b/packages/notify/index.ts
@@ -0,0 +1,73 @@
+import Vue from 'vue';
+import VanNotify from './Notify';
+import { RED, WHITE } from '../utils/color';
+import { isObj, isServer } from '../utils';
+import { mount } from '../utils/functional';
+import { NotifyOptions } from 'types/notify';
+
+let timer: number | NodeJS.Timeout;
+let instance: any;
+
+function parseOptions(message: NotifyOptions): NotifyOptions {
+  return isObj(message) ? message : ({ message } as NotifyOptions);
+}
+
+function Notify(options: NotifyOptions) {
+  /* istanbul ignore if */
+  if (isServer) {
+    return;
+  }
+
+  if (!instance) {
+    instance = mount(VanNotify);
+  }
+
+  options = {
+    ...Notify.currentOptions,
+    ...parseOptions(options)
+  };
+
+  Object.assign(instance, options);
+  clearTimeout(timer as NodeJS.Timeout);
+
+  if (options.duration && options.duration > 0) {
+    timer = setTimeout(Notify.clear, options.duration);
+  }
+
+  return instance;
+}
+
+function defaultOptions(): NotifyOptions {
+  return {
+    value: true,
+    message: '',
+    color: WHITE,
+    background: RED,
+    duration: 3000,
+    className: ''
+  };
+}
+
+Notify.clear = () => {
+  if (instance) {
+    instance.value = false;
+  }
+};
+
+Notify.currentOptions = defaultOptions();
+
+Notify.setDefaultOptions = (options: NotifyOptions) => {
+  Object.assign(Notify.currentOptions, options);
+};
+
+Notify.resetDefaultOptions = () => {
+  Notify.currentOptions = defaultOptions();
+};
+
+Notify.install = () => {
+  Vue.use(VanNotify as any);
+};
+
+Vue.prototype.$notify = Notify;
+
+export default Notify;
diff --git a/packages/notify/test/__snapshots__/index.spec.js.snap b/packages/notify/test/__snapshots__/index.spec.js.snap
index e79130da7..c1354c2ab 100644
--- a/packages/notify/test/__snapshots__/index.spec.js.snap
+++ b/packages/notify/test/__snapshots__/index.spec.js.snap
@@ -1,11 +1,11 @@
 // Jest Snapshot v1, https://goo.gl/fbAQLP
 
-exports[`create a notify 1`] = `<div class="van-notify" style="color: rgb(255, 255, 255); background: rgb(255, 68, 68); z-index: 2000;" name="van-slide-down">test</div>`;
+exports[`create a notify 1`] = `<div class="van-popup van-popup--top van-notify" name="van-popup-slide-top" style="color: rgb(255, 255, 255); background: rgb(255, 68, 68); z-index: 2000;">test</div>`;
 
-exports[`notify disappear 1`] = `<div class="van-notify" style="color: red; z-index: 2000; background: blue;" name="van-slide-down">test</div>`;
+exports[`notify disappear 1`] = `<div class="van-popup van-popup--top van-notify" name="van-popup-slide-top" style="color: red; z-index: 2000; background: blue;">test</div>`;
 
-exports[`notify disappear 2`] = `<div class="van-notify" style="color: red; z-index: 2000; background: blue; display: none;" name="van-slide-down">test</div>`;
+exports[`notify disappear 2`] = `<div class="van-popup van-popup--top van-notify" name="van-popup-slide-top" style="color: red; z-index: 2000; background: blue; display: none;">test</div>`;
 
-exports[`notify disappear 3`] = `<div class="van-notify" style="color: rgb(255, 255, 255); z-index: 2001; background: rgb(255, 68, 68);" name="van-slide-down">text2</div>`;
+exports[`notify disappear 3`] = `<div class="van-popup van-popup--top van-notify" name="van-popup-slide-top" style="color: rgb(255, 255, 255); z-index: 2001; background: rgb(255, 68, 68);">text2</div>`;
 
-exports[`notify disappear 4`] = `<div class="van-notify" style="color: rgb(255, 255, 255); z-index: 2001; background: rgb(255, 68, 68); display: none;" name="van-slide-down">text2</div>`;
+exports[`notify disappear 4`] = `<div class="van-popup van-popup--top van-notify" name="van-popup-slide-top" style="color: rgb(255, 255, 255); z-index: 2001; background: rgb(255, 68, 68); display: none;">text2</div>`;
diff --git a/packages/sku/type.ts b/packages/sku/type.ts
index b1c817341..a49b23406 100644
--- a/packages/sku/type.ts
+++ b/packages/sku/type.ts
@@ -1,3 +1,5 @@
+/* eslint-disable camelcase */
+
 export type SkuData = {
   price: string;
   none_sku: boolean;
diff --git a/packages/utils/functional.ts b/packages/utils/functional.ts
index 809283d5d..7d121ee94 100644
--- a/packages/utils/functional.ts
+++ b/packages/utils/functional.ts
@@ -1,4 +1,4 @@
-import { RenderContext, VNodeData } from 'vue/types';
+import Vue, { RenderContext, VNodeData } from 'vue';
 
 type ObjectIndex = {
   [key: string]: any;
@@ -21,7 +21,10 @@ const inheritKey = [
 const mapInheritKey: ObjectIndex = { nativeOn: 'on' };
 
 // inherit partial context, map nativeOn to on
-export function inherit(context: Context, inheritListeners?: boolean): InheritContext {
+export function inherit(
+  context: Context,
+  inheritListeners?: boolean
+): InheritContext {
   const result = inheritKey.reduce(
     (obj, key) => {
       if (context.data[key]) {
@@ -53,3 +56,18 @@ export function emit(context: Context, eventName: string, ...args: any[]) {
     }
   }
 }
+
+// mount functional component
+export function mount(Component: any) {
+  const instance = new Vue({
+    el: document.createElement('div'),
+    props: Component.props,
+    render(h) {
+      return h(Component, { props: this.$props });
+    }
+  });
+
+  document.body.appendChild(instance.$el);
+
+  return instance;
+}
diff --git a/types/notify.d.ts b/types/notify.d.ts
index a647e13ac..974b316f8 100644
--- a/types/notify.d.ts
+++ b/types/notify.d.ts
@@ -1,10 +1,11 @@
 import Vue from 'vue';
 
-type NotifyMessage = string | number;
+export type NotifyMessage = string | number;
 
 export type NotifyOptions = {
-  message?: NotifyMessage;
+  value?: boolean;
   color?: string;
+  message?: NotifyMessage;
   duration?: number;
   className?: any;
   background?: string;
@@ -21,6 +22,8 @@ export interface Notify {
   (message: NotifyOptions | NotifyMessage): VanNotify;
   clear(): void;
   install(): void;
+  currentOptions: NotifyOptions;
+  defaultOptions: NotifyOptions;
   setDefaultOptions(options: NotifyOptions): void;
   resetDefaultOptions(): void;
 }