logger.go
func (dl *DefaultLogger) Info(message string, params ...interface{}) {
	dl.logger.Infof(fmt.Sprintf("%s %s", caller(), message), params...)
}
func (dl *DefaultLogger) Info(message string, params ...interface{}) {
	dl.logger.Infof(fmt.Sprintf("%s %s", caller(), message), params...)
}
func ( dl * DefaultLogger ) Info ( message string , params ... interface { } ) { dl . logger . Infof ( fmt . Sprintf ( " " , caller ( ) , message ) , params ... ) }
// Info formats a given message according to given params to log with level Info.
Info formats a given message according to given params to log with level Info .