hi, we have planned to visit hong kong during 28th april 2017 to 1st may 2017.

but due to unsuccessful for pre registration for me we sand all the documents for visa on 12th april, but we didnt receive the visa before 28th april so we change the travel date from 31st may to 4th june, 2017.
in this processing time is there will be a problem for the date change? all the documents which we send the flight tickets and hotel booking that was for the previous booking.
please suggest what to do now?