I did below things :
Pay $50 using credit card or interac on cic website : https://www.cic.gc.ca/english/information/fees/index.asp
send email to : IRCC.COVIDPRTD-TVRPCOVID.IRCC
attachments : imm5524 , imm5627 , payment receipt , photo , CoPR, passport first last page , salary slip -6...