diff --git a/components/notification/__tests__/index.test.js b/components/notification/__tests__/index.test.js
new file mode 100644
index 000000000..47238e463
--- /dev/null
+++ b/components/notification/__tests__/index.test.js
@@ -0,0 +1,85 @@
+import { asyncExpect } from '@/tests/utils'
+import notification from '..'
+
+describe('notification', () => {
+  beforeEach(() => {
+    document.body.outerHTML = ''
+  })
+
+  afterEach(() => {
+    notification.destroy()
+  })
+
+  it('should be able to hide manually', async () => {
+    notification.open({
+      message: 'Notification Title',
+      duration: 0,
+      key: '1',
+    })
+    await asyncExpect(() => {
+      notification.open({
+        message: 'Notification Title',
+        duration: 0,
+        key: '2',
+      })
+    })
+    await asyncExpect(() => {
+      expect(document.querySelectorAll('.ant-notification-notice').length).toBe(2)
+      notification.close('1')
+    }, 0)
+    await asyncExpect(() => {
+      expect(document.querySelectorAll('.ant-notification-notice').length).toBe(1)
+      notification.close('2')
+    }, 0)
+    await asyncExpect(() => {
+      expect(document.querySelectorAll('.ant-notification-notice').length).toBe(0)
+    }, 0)
+  })
+
+  it('should be able to destroy globally', async () => {
+    notification.open({
+      message: 'Notification Title',
+      duration: 0,
+    })
+    await asyncExpect(() => {
+      notification.open({
+        message: 'Notification Title',
+        duration: 0,
+      })
+    })
+    await asyncExpect(() => {
+      expect(document.querySelectorAll('.ant-notification').length).toBe(1)
+      expect(document.querySelectorAll('.ant-notification-notice').length).toBe(2)
+      notification.destroy()
+    }, 0)
+    await asyncExpect(() => {
+      expect(document.querySelectorAll('.ant-notification').length).toBe(0)
+      expect(document.querySelectorAll('.ant-notification-notice').length).toBe(0)
+    }, 0)
+  })
+
+  it('should be able to destroy after config', () => {
+    notification.config({
+      bottom: 100,
+    })
+    notification.destroy()
+  })
+
+  it('should be able to open with icon', (done) => {
+    const openNotificationWithIcon = async (type) => {
+      const iconPrefix = '.ant-notification-notice-icon'
+      notification[type]({
+        message: 'Notification Title',
+        duration: 0,
+        description: 'This is the content of the notification.',
+      })
+      await asyncExpect(() => {
+        expect(document.querySelectorAll(`${iconPrefix}-${type}`).length).toBe(1)
+      }, 0)
+    };
+    ['success', 'info', 'warning', 'error'].forEach((type) => {
+      openNotificationWithIcon(type)
+    })
+    done()
+  })
+})
diff --git a/components/notification/__tests__/placement.test.js b/components/notification/__tests__/placement.test.js
new file mode 100644
index 000000000..d8bb7263d
--- /dev/null
+++ b/components/notification/__tests__/placement.test.js
@@ -0,0 +1,171 @@
+import { asyncExpect } from '@/tests/utils'
+import notification from '..'
+
+describe('Notification.placement', () => {
+  afterEach(() => notification.destroy())
+
+  function $$ (className) {
+    return document.body.querySelectorAll(className)
+  }
+
+  function getStyle (el, prop, getComputedStyle, style) {
+    getComputedStyle = getComputedStyle || window.getComputedStyle
+    style = getComputedStyle ? getComputedStyle(el) : el.currentStyle
+
+    // If a css property's value is `auto`, it will return an empty string.
+    return prop ? style[prop] : style
+  }
+
+  function open (args) {
+    notification.open({
+      message: 'Notification Title',
+      description: 'This is the content of the notification.',
+      ...args,
+    })
+  }
+
+  function config (args) {
+    notification.config({
+      ...args,
+    })
+    open()
+  }
+
+  it('change notification placement by `open` method', async () => {
+    const defaultTop = '24px'
+    const defaultBottom = '24px'
+    let style
+
+    // topLeft
+    open({
+      placement: 'topLeft',
+    })
+    await asyncExpect(() => {
+      style = getStyle($$('.ant-notification-topLeft')[0])
+      expect(style.top).toBe(defaultTop)
+      expect(style.left).toBe('0px')
+      expect(style.bottom).toBe('')
+    })
+    open({
+      placement: 'topLeft',
+    })
+    await asyncExpect(() => {
+      expect($$('.ant-notification-topLeft').length).toBe(1)
+    })
+    // topRight
+    open({
+      placement: 'topRight',
+    })
+    await asyncExpect(() => {
+      style = getStyle($$('.ant-notification-topRight')[0])
+      expect(style.top).toBe(defaultTop)
+      expect(style.right).toBe('0px')
+      expect(style.bottom).toBe('')
+    })
+    open({
+      placement: 'topRight',
+    })
+    await asyncExpect(() => {
+      expect($$('.ant-notification-topRight').length).toBe(1)
+    })
+    // bottomRight
+    open({
+      placement: 'bottomRight',
+    })
+    await asyncExpect(() => {
+      style = getStyle($$('.ant-notification-bottomRight')[0])
+      expect(style.top).toBe('')
+      expect(style.right).toBe('0px')
+      expect(style.bottom).toBe(defaultBottom)
+    })
+    open({
+      placement: 'bottomRight',
+    })
+    await asyncExpect(() => {
+      expect($$('.ant-notification-bottomRight').length).toBe(1)
+    })
+    // bottomLeft
+    open({
+      placement: 'bottomLeft',
+    })
+    await asyncExpect(() => {
+      style = getStyle($$('.ant-notification-bottomLeft')[0])
+      expect(style.top).toBe('')
+      expect(style.left).toBe('0px')
+      expect(style.bottom).toBe(defaultBottom)
+    })
+    open({
+      placement: 'bottomLeft',
+    })
+    await asyncExpect(() => {
+      expect($$('.ant-notification-bottomLeft').length).toBe(1)
+    })
+    await asyncExpect(() => {
+
+    })
+    await asyncExpect(() => {
+
+    })
+  })
+
+  it('change notification placement by `config` method', () => {
+    let style
+
+    // topLeft
+    config({
+      placement: 'topLeft',
+      top: '50px',
+      bottom: '50px',
+    })
+    style = getStyle($$('.ant-notification-topLeft')[0])
+    expect(style.top).toBe('50px')
+    expect(style.left).toBe('0px')
+    expect(style.bottom).toBe('')
+
+    // topRight
+    config({
+      placement: 'topRight',
+      top: '100px',
+      bottom: '50px',
+    })
+    style = getStyle($$('.ant-notification-topRight')[0])
+    expect(style.top).toBe('100px')
+    expect(style.right).toBe('0px')
+    expect(style.bottom).toBe('')
+
+    // bottomRight
+    config({
+      placement: 'bottomRight',
+      top: '50px',
+      bottom: '100px',
+    })
+    style = getStyle($$('.ant-notification-bottomRight')[0])
+    expect(style.top).toBe('')
+    expect(style.right).toBe('0px')
+    expect(style.bottom).toBe('100px')
+
+    // bottomLeft
+    config({
+      placement: 'bottomLeft',
+      top: 100,
+      bottom: 50,
+    })
+    style = getStyle($$('.ant-notification-bottomLeft')[0])
+    expect(style.top).toBe('')
+    expect(style.left).toBe('0px')
+    expect(style.bottom).toBe('50px')
+  })
+  it('change notification mountNode by `config` method', () => {
+    const $container = document.createElement('div')
+    document.body.appendChild($container)
+    config({
+      top: '50px',
+      bottom: '100px',
+      getContainer () {
+        return $container
+      },
+    })
+    expect($container.querySelector('.ant-notification')).not.toBe(null)
+    $container.remove()
+  })
+})
diff --git a/components/notification/index.js b/components/notification/index.js
index 64fb3718a..f03ada956 100644
--- a/components/notification/index.js
+++ b/components/notification/index.js
@@ -28,10 +28,10 @@ function setNotificationConfig (options) {
     defaultPlacement = placement
   }
   if (bottom !== undefined) {
-    defaultBottom = bottom
+    defaultBottom = typeof bottom === 'number' ? `${bottom}px` : bottom
   }
   if (top !== undefined) {
-    defaultTop = top
+    defaultTop = typeof top === 'number' ? `${top}px` : top
   }
   if (getContainer !== undefined) {
     defaultGetContainer = getContainer