capture currentURL instead of using index to access to avoid race condition
capture currentURL instead of using index to access to avoid race condition

awkward/SDWebImage,awkward/SDWebImage,Insfgg99x/SDWebImage,altrooz/SDWebImage,rs/SDWebImage,dreampiggy/SDWebImage,dreampiggy/SDWebImage,tualatrix/SDWebImage,awkward/SDWebImage,zhang-yawei/SDWebImage,smule/SDWebImage,iheartradio/SDWebImage,dreampiggy/SDWebImage