PushLive plugin is not working properly

Hi,

We have follow all instruction create staging site and live site with 2 separate database , and installed plugin in staging site and setup but when we change staging website files and click to pushlive server and see in live site .changes will be not display.
live site:http://nuskhey.com/
staging site:http://staging.nuskhey.com/
see screen shots (http://staging.nuskhey.com/wp-content/uploads/2018/01/screenshot-staging.nuskhey.com-2018-01-20-15-58-33-192.png)

Can you please describe me how to work this plugin
thanks
Regards Preety

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