Standard library imports flag go-common/app/interface/main/ugcpay-rank/internal/conf go-common/app/interface/main/ugcpay-rank/internal/server/http go-common/app/interface/main/ugcpay-rank/internal/service go-common/library/ecode/tip go-common/library/log go-common/library/net/trace os os/signal syscall time