func Printf(format string, args ...interface{}) {
	logger.Output(2, LevelTrace, fmt.Sprintf(format, args...))
}
func Printf(format string, args ...interface{}) {
	logger.Output(2, LevelTrace, fmt.Sprintf(format, args...))
}
func Printf ( format string , args ... interface { } ) { logger . Output ( 2 , LevelTrace , fmt . Sprintf ( format , args ... ) ) }
// Printf records the log with trace level
Printf records the log with trace level