My Hotel Is Near Higher Education Mega Center south Subway.

I want To Go canton Fair 125th section On 16/4/2019
So,when I Checked With The Map Their Is showing From subway Line 4 (Higher Education Mega Center south Subway) to Wanshengwei and Then Transfer To Subway Line 08 to go Pazhou
1)I want To Know How to Get Transfer Ticket?
2)What is the time of Metro Available In Morning and evening From Higher Education Mega Center south Subway to Pazhou
Thanks.