title: The data is not rendered in highcharts
body: <p>I hava some data to display the PH.</p>
  
  <p>Everything is OK except I clicked <code>1小时</code> button.</p>
  
  <p>Chart isn't render after this point at May 10, 17:04:21, which confused me half day.</p>
  
  <p>Following is my demo.</p>
  
  <p><a href="http://jsfiddle.net/sknight/md1kcpgL/" rel="nofollow noreferrer">http://jsfiddle.net/sknight/md1kcpgL/</a></p>