Referalls in adsense are gone

hello theree!!I got adsense and earning from it but now my referalls is not working,please help me how can i recover this and how to register domain name from blogspot to .com.Would it be helpful for earning in adsense??

hello theree!!I got adsense and earning from it but now my referalls is not working,please help me how can i recover this and how to register domain name from blogspot to .com.Would it be helpful for earning in adsense??