Update storie

src/components/DeviceConnect/stories.js

@@ -2,7 +2,7 @@
 
 import React from 'react'
 import { storiesOf } from '@storybook/react'
-import { select, text } from '@storybook/addon-knobs'
+import { boolean, select, text } from '@storybook/addon-knobs'
 import { action } from '@storybook/addon-actions'
 
 import DeviceConnect from 'components/DeviceConnect'
@@ -35,7 +35,7 @@ const devices = [
 
 stories.add('DeviceConnect', () => (
   <DeviceConnect
-    accountName={text('accountName', 'Test Account')}
+    accountName={boolean('withAccount', true) ? text('accountName', 'Test Account') : null}
     coinType={select('coinType', [0, 1, 145, 156, 2, 3, 5], 0)}
     appOpened={select('appOpened', ['', 'success', 'fail'], '')}
     devices={devices.slice(0, select('devices', [0, 1, 2, 3], 0))}