Can you please provide a screenshot to provide some context?
Is it the Google Maps widget you are trying to use?
Should work if you take context:
Then on the context tab choose the right address attribute:
For test purposes, because you want to view "China" you can try setting auto zoom to "no" and use zoom level "5" (for contintent view):
How should I fill in the address to be able to accurately locate it on the map?