func Info(v ...interface{}) {
	infoLogger.Output(2, fmt.Sprint(v...))
}
Info log entries print a message only, use for standard message output
standard INFO print
package log
import (
	"fmt"
	"log"
	"os"
)
var infoLogger = log.New(os.Stdout, "INFO: ", log.Ldate|log.Ltime|log.Lshortfile)
var warnLogger = log.New(os.Stdout, "WARN: ", log.Ldate|log.Ltime|log.Lshortfile)
var errorLogger = log.New(os.Stderr, "ERROR: ", log.Ldate|log.Ltime|log.Lshortfile)