If I sent an invoice to my customer, and he paid by check (total is: $500),  so I deposited the check to my bank checking account and recorded the payment under that invoice. 

Now, since I sync my checking account to my zoho books, so I can see the check amount in my zoho books account, do I need "Add and Match" that amount? if yes, seems I get 2 $500 income, one is when I "recorded the payment under that invoice", another one is the "Add and Match".

I am not accountant, so I don't know what is correct way, or if I am doing wrong here.

thanks

James