Chrome Version       : <Copy from: 'about:version'>
URLs (if applicable) :
Other browsers tested:
  Add OK or FAIL, along with the version, after other browsers where you
have tested this issue:
     Safari:
    Firefox:
       Edge:

What steps will reproduce the problem?
(1)enter "www.baidu.com" though a cellphone
(2)push title up ,and click a news
(3)a blank space below the page will appaer

What is the expected result?
page show correctly.

What happens instead?
a blank space below the page will appaer


Please provide any additional information below. Attach a screenshot if
possible.