diff --git a/starlog.go b/starlog.go
index 2b77dff..0fdd92e 100644
--- a/starlog.go
+++ b/starlog.go
@@ -2,280 +2,294 @@ package starlog
 
 import (
 	"fmt"
-	"strings"
-
-	"github.com/fatih/color"
-
 	"os"
 	"path/filepath"
+	"runtime"
 	"strconv"
 	"time"
-)
 
-var Path string
-var LogPar *os.File
-var CSpace bool = false
-
-func CreateLog(logpath, prefix string) string {
-	logname := strconv.FormatInt(time.Now().Unix(), 10)
-	logpath, _ = filepath.Abs(logpath)
-	_, exs := os.Stat(logpath)
-	if exs != nil && os.IsNotExist(exs) {
-		os.MkdirAll(logpath, 0755)
-	}
-	logname = logpath + `/` + prefix + logname + ".log"
-	LogPar, _ = os.Create(logname)
-	strpath, _ := filepath.Abs(logname)
-	return strpath
-}
+	"github.com/fatih/color"
+)
 
-func WriteError(err error, other string) {
-	now := time.Now().Format("2006-01-02 15:04:05")
-	strlog := now + ": " + other + ":" + err.Error() + "\n"
-	LogPar.Write([]byte(strlog))
-}
+const (
+	BLUE    = color.FgBlue
+	BLACK   = color.FgBlack
+	CYAN    = color.FgCyan
+	GREEN   = color.FgGreen
+	MAGENTA = color.FgMagenta
+	RED     = color.FgRed
+	WHITE   = color.FgWhite
+	YELLOW  = color.FgYellow
+	GREY    = color.FgHiYellow
+	BOLD    = color.Bold
+)
 
-func WriteLog(strs string) {
-	now := time.Now().Format("2006-01-02 15:04:05")
-	strlog := now + ": " + strs + "\n"
-	LogPar.Write([]byte(strlog))
-}
+const (
+	LvDebug = iota
+	LvInfo
+	LvNotice
+	LvWarning
+	LvError
+	LvCritical
+	LvPanic
+	LvFatal
+)
 
-func PrintError(sakura ...interface{}) {
-	var mycolor, bold string
-	lens := len(sakura)
-	if lens < 2 {
-		return
-	}
-	if lens >= 3 {
-		mycolor, _ = sakura[2].(string)
-		if lens == 4 {
-			bold, _ = sakura[3].(string)
-		}
+var (
+	levels = map[int]string{
+		LvDebug:    "DEBUG",
+		LvInfo:     "INFO",
+		LvNotice:   "NOTICE",
+		LvWarning:  "WARNING",
+		LvError:    "ERROR",
+		LvCritical: "CRITICAL",
+		LvPanic:    "PANIC",
+		LvFatal:    "FATAL",
 	}
-	err, _ := sakura[0].(error)
-	other, _ := sakura[1].(string)
-	now := time.Now().Format("2006-01-02 15:04:05")
-	strlog := now + ": " + other + ":" + err.Error()
-	switch strings.ToLower(mycolor) {
-	case "blue":
-		color.Set(color.FgBlue)
-	case "black":
-		color.Set(color.FgBlack)
-	case "cyan":
-		color.Set(color.FgCyan)
-	case "green":
-		color.Set(color.FgGreen)
-	case "magenta":
-		color.Set(color.FgMagenta)
-	case "red":
-		color.Set(color.FgRed)
-	case "white":
-		color.Set(color.FgWhite)
-	case "yellow":
-		color.Set(color.FgYellow)
-	case "grey":
-		color.Set(color.FgHiYellow)
-	default:
-		color.Set(color.Reset)
+	Colors = map[int][]color.Attribute{
+		LvDebug:    []color.Attribute{WHITE},
+		LvInfo:     []color.Attribute{GREEN},
+		LvNotice:   []color.Attribute{BLUE},
+		LvWarning:  []color.Attribute{YELLOW},
+		LvError:    []color.Attribute{MAGENTA},
+		LvCritical: []color.Attribute{RED, BOLD},
+		LvPanic:    []color.Attribute{RED, BOLD},
+		LvFatal:    []color.Attribute{RED},
 	}
-	for _, v := range []byte(bold) {
-		switch string([]byte{v}) {
-		case "b":
-			color.Set(color.Bold)
-		case "l":
-			color.Set(color.BlinkRapid)
-		case "u":
-			color.Set(color.Underline)
-		}
+	LogLevel                                int      = 0
+	ShowLine, ShowLevel, DoWrite, switching bool     = true, true, true, false
+	loghandle                               *os.File = nil
+)
+
+func write(logs string) {
+	for switching {
+		time.Sleep(time.Millisecond * 100)
 	}
-	if CSpace {
-		strlog += "\n"
+	if loghandle == nil {
+		return
 	}
-	fmt.Println(strlog)
-	color.Set(color.Reset)
-	LogPar.Write([]byte(strlog + "\n"))
+	loghandle.WriteString(logs)
 }
-func Println(sakura ...interface{}) {
-	var mycolor, bold string
-	lens := len(sakura)
-	if lens < 2 {
-		fmt.Println(sakura)
+
+func output(level int, showline, showlv, dowrite bool, strlog string) {
+	var logs string
+	if level < LogLevel {
 		return
 	}
-	if lens >= 2 {
-		mycolor, _ = sakura[lens-2].(string)
-		if lens == 3 {
-			bold, _ = sakura[lens-1].(string)
-		}
-	}
-	switch strings.ToLower(mycolor) {
-	case "blue":
-		color.Set(color.FgBlue)
-	case "black":
-		color.Set(color.FgBlack)
-	case "cyan":
-		color.Set(color.FgCyan)
-	case "green":
-		color.Set(color.FgGreen)
-	case "magenta":
-		color.Set(color.FgMagenta)
-	case "red":
-		color.Set(color.FgRed)
-	case "white":
-		color.Set(color.FgWhite)
-	case "yellow":
-		color.Set(color.FgYellow)
-	case "grey":
-		color.Set(color.FgHiYellow)
-	default:
-		color.Set(color.Reset)
-	}
-	for _, v := range []byte(bold) {
-		switch string([]byte{v}) {
-		case "b":
-			color.Set(color.Bold)
-		case "l":
-			color.Set(color.BlinkRapid)
-		case "u":
-			color.Set(color.Underline)
-		}
+	_, fname, line, _ := runtime.Caller(2)
+	fname = filepath.Base(fname)
+	date := time.Now().Format("2006-01-02 15:04:05 Mon")
+	if showline && showlv {
+		logs = fmt.Sprintf("%s %s %s %s", date, fname+":"+strconv.Itoa(line), `[`+levels[level]+`]`, strlog)
+	} else if showline && !showlv {
+		logs = fmt.Sprintf("%s %s %s", date, fname+":"+strconv.Itoa(line), strlog)
+	} else if !showline && showlv {
+		logs = fmt.Sprintf("%s %s %s", date, `[`+levels[level]+`]`, strlog)
+	} else {
+		logs = fmt.Sprintf("%s %s", date, strlog)
 	}
-	var hoe []interface{}
-	for i := 0; i < lens-2; i++ {
-		hoe = append(hoe, sakura[i])
+	for _, v := range Colors[level] {
+		color.Set(v)
 	}
-	if len(hoe) == 1 {
-		fmt.Println(hoe[0])
-	} else {
-		fmt.Println(hoe)
+	fmt.Print(logs)
+	color.Set(color.Reset)
+	if dowrite {
+		go write(logs)
 	}
+}
+
+func StdPrint(c1, c2 color.Attribute, str ...interface{}) {
+	color.Set(c1)
+	color.Set(c2)
+	fmt.Print(str...)
 	color.Set(color.Reset)
+}
 
+func StdPrintf(c1, c2 color.Attribute, format string, str ...interface{}) {
+	color.Set(c1)
+	color.Set(c2)
+	fmt.Printf(format, str...)
+	color.Set(color.Reset)
 }
-func Print(sakura ...interface{}) {
-	var mycolor, bold string
-	lens := len(sakura)
-	if lens < 2 {
-		fmt.Print(sakura)
-		return
-	}
-	if lens >= 2 {
-		mycolor, _ = sakura[lens-2].(string)
-		if lens == 3 {
-			bold, _ = sakura[lens-1].(string)
-		}
-	}
-	switch strings.ToLower(mycolor) {
-	case "blue":
-		color.Set(color.FgBlue)
-	case "black":
-		color.Set(color.FgBlack)
-	case "cyan":
-		color.Set(color.FgCyan)
-	case "green":
-		color.Set(color.FgGreen)
-	case "magenta":
-		color.Set(color.FgMagenta)
-	case "red":
-		color.Set(color.FgRed)
-	case "white":
-		color.Set(color.FgWhite)
-	case "yellow":
-		color.Set(color.FgYellow)
-	case "grey":
-		color.Set(color.FgHiYellow)
-	default:
-		color.Set(color.Reset)
-	}
-	for _, v := range []byte(bold) {
-		switch string([]byte{v}) {
-		case "b":
-			color.Set(color.Bold)
-		case "l":
-			color.Set(color.BlinkRapid)
-		case "u":
-			color.Set(color.Underline)
-		}
-	}
-	var hoe []interface{}
-	for i := 0; i < lens-2; i++ {
-		hoe = append(hoe, sakura[i])
-	}
-	if len(hoe) == 1 {
-		fmt.Println(hoe[0])
-	} else {
-		fmt.Println(hoe)
-	}
+
+func StdPrintln(c1, c2 color.Attribute, str ...interface{}) {
+	color.Set(c1)
+	color.Set(c2)
+	fmt.Println(str...)
 	color.Set(color.Reset)
 }
 
-func PrintLog(sakura ...interface{}) {
+func Print(c1, c2 color.Attribute, str ...interface{}) {
+	color.Set(c1)
+	color.Set(c2)
+	strs := fmt.Sprint(str...)
+	fmt.Print(strs)
+	color.Set(color.Reset)
+	write(strs)
+}
 
-	var mycolor, bold string
-	lens := len(sakura)
-	if lens < 1 {
-		return
-	}
-	if lens >= 2 {
-		mycolor, _ = sakura[1].(string)
-		if lens == 3 {
-			bold, _ = sakura[2].(string)
-		}
-	}
-	strs, _ := sakura[0].(string)
-	now := time.Now().Format("2006-01-02 15:04:05")
-	strlog := now + ": " + strs
-	switch strings.ToLower(mycolor) {
-	case "blue":
-		color.Set(color.FgBlue)
-	case "black":
-		color.Set(color.FgBlack)
-	case "cyan":
-		color.Set(color.FgCyan)
-	case "green":
-		color.Set(color.FgGreen)
-	case "magenta":
-		color.Set(color.FgMagenta)
-	case "red":
-		color.Set(color.FgRed)
-	case "white":
-		color.Set(color.FgWhite)
-	case "yellow":
-		color.Set(color.FgYellow)
-	case "grey":
-		color.Set(color.FgHiYellow)
-	default:
-		color.Set(color.Reset)
-	}
-	for _, v := range []byte(bold) {
-		switch string([]byte{v}) {
-		case "b":
-			color.Set(color.Bold)
-		case "l":
-			color.Set(color.BlinkRapid)
-		case "u":
-			color.Set(color.Underline)
-		}
-	}
-	if CSpace {
-		strlog += "\n"
-	}
-	fmt.Println(strlog)
+func Printf(c1, c2 color.Attribute, format string, str ...interface{}) {
+	color.Set(c1)
+	color.Set(c2)
+	strs := fmt.Sprintf(format, str...)
+	fmt.Print(strs)
+	color.Set(color.Reset)
+	write(strs)
+}
+
+func Println(c1, c2 color.Attribute, str ...interface{}) {
+	color.Set(c1)
+	color.Set(c2)
+	strs := fmt.Sprintln(str...)
+	fmt.Print(strs)
 	color.Set(color.Reset)
-	LogPar.Write([]byte(strlog + "\n"))
+	write(strs)
+}
+
+func Debug(str ...interface{}) {
+	strs := fmt.Sprint(str...)
+	output(LvDebug, ShowLine, ShowLevel, DoWrite, strs)
+}
+
+func Debugf(format string, str ...interface{}) {
+	strs := fmt.Sprintf(format, str...)
+	output(LvDebug, ShowLine, ShowLevel, DoWrite, strs)
+}
+
+func Debugln(str ...interface{}) {
+	strs := fmt.Sprintln(str...)
+	output(LvDebug, ShowLine, ShowLevel, DoWrite, strs)
+}
+
+func Info(str ...interface{}) {
+	strs := fmt.Sprint(str...)
+	output(LvInfo, ShowLine, ShowLevel, DoWrite, strs)
+}
+
+func Infof(format string, str ...interface{}) {
+	strs := fmt.Sprintf(format, str...)
+	output(LvInfo, ShowLine, ShowLevel, DoWrite, strs)
+}
+
+func Infoln(str ...interface{}) {
+	strs := fmt.Sprintln(str...)
+	output(LvInfo, ShowLine, ShowLevel, DoWrite, strs)
+}
+
+func Notice(str ...interface{}) {
+	strs := fmt.Sprint(str...)
+	output(LvNotice, ShowLine, ShowLevel, DoWrite, strs)
+}
+
+func Noticef(format string, str ...interface{}) {
+	strs := fmt.Sprintf(format, str...)
+	output(LvNotice, ShowLine, ShowLevel, DoWrite, strs)
+}
+
+func Noticeln(str ...interface{}) {
+	strs := fmt.Sprintln(str...)
+	output(LvNotice, ShowLine, ShowLevel, DoWrite, strs)
+}
+
+func Warning(str ...interface{}) {
+	strs := fmt.Sprint(str...)
+	output(LvWarning, ShowLine, ShowLevel, DoWrite, strs)
+}
+
+func Warningf(format string, str ...interface{}) {
+	strs := fmt.Sprintf(format, str...)
+	output(LvWarning, ShowLine, ShowLevel, DoWrite, strs)
+}
+
+func Warningln(str ...interface{}) {
+	strs := fmt.Sprintln(str...)
+	output(LvWarning, ShowLine, ShowLevel, DoWrite, strs)
+}
+
+func Error(str ...interface{}) {
+	strs := fmt.Sprint(str...)
+	output(LvError, ShowLine, ShowLevel, DoWrite, strs)
 }
 
-func End() {
-	LogPar.Close()
+func Errorf(format string, str ...interface{}) {
+	strs := fmt.Sprintf(format, str...)
+	output(LvError, ShowLine, ShowLevel, DoWrite, strs)
+}
+
+func Errorln(str ...interface{}) {
+	strs := fmt.Sprintln(str...)
+	output(LvError, ShowLine, ShowLevel, DoWrite, strs)
+}
+
+func Critical(str ...interface{}) {
+	strs := fmt.Sprint(str...)
+	output(LvCritical, ShowLine, ShowLevel, DoWrite, strs)
+}
+
+func Criticalf(format string, str ...interface{}) {
+	strs := fmt.Sprintf(format, str...)
+	output(LvCritical, ShowLine, ShowLevel, DoWrite, strs)
+}
+
+func Criticalln(str ...interface{}) {
+	strs := fmt.Sprintln(str...)
+	output(LvCritical, ShowLine, ShowLevel, DoWrite, strs)
+}
+
+func Fatal(str ...interface{}) {
+	strs := fmt.Sprint(str...)
+	output(LvFatal, ShowLine, ShowLevel, DoWrite, strs)
+	CloseLog()
+	os.Exit(9)
+}
+
+func Fatalf(format string, str ...interface{}) {
+	strs := fmt.Sprintf(format, str...)
+	output(LvFatal, ShowLine, ShowLevel, DoWrite, strs)
+	CloseLog()
+	os.Exit(9)
+}
+
+func Fatalln(str ...interface{}) {
+	strs := fmt.Sprintln(str...)
+	output(LvFatal, ShowLine, ShowLevel, DoWrite, strs)
+	CloseLog()
+	os.Exit(9)
+}
+
+func Panic(str ...interface{}) {
+	strs := fmt.Sprint(str...)
+	output(LvPanic, ShowLine, ShowLevel, DoWrite, strs)
+	panic(str)
+}
+
+func Panicf(format string, str ...interface{}) {
+	strs := fmt.Sprintf(format, str...)
+	output(LvPanic, ShowLine, ShowLevel, DoWrite, strs)
+	panic(strs)
+}
+
+func Panicln(str ...interface{}) {
+	strs := fmt.Sprintln(str...)
+	output(LvPanic, ShowLine, ShowLevel, DoWrite, strs)
+	panic(str)
+}
+
+func SetLogFile(path string) error {
+	var err error
+	loghandle, err = os.Create(path)
+	return err
+}
+
+func SwitchFile(path string) error {
+	if loghandle != nil {
+		loghandle.Close()
+	}
+	return SetLogFile(path)
 }
 
-func ThrowError(err error, other string) {
-	if err != nil {
-		PrintError(err, other)
+func CloseLog() {
+	if loghandle != nil {
+		loghandle.Close()
 	}
-	End()
-	time.Sleep(time.Second * 8)
-	panic(err)
-	os.Exit(233)
 }
diff --git a/starlog_test.go b/starlog_test.go
index 16dbcaf..8fc87b8 100644
--- a/starlog_test.go
+++ b/starlog_test.go
@@ -1,8 +1,18 @@
 package starlog
 
-import "testing"
+import (
+	"errors"
+	"testing"
+)
 
-func Test_StarLog(t *testing.T) {
-	CreateLog("./sakura", "suki")
-	Println("suki!", "blue", "b")
+func Test_LOG(t *testing.T) {
+	SetLogFile("./okk.log")
+	Debugln("这是一个Debug事项")
+	Infoln("这是一个通知")
+	err := errors.New("NBM")
+	Errorln("你牛逼", err)
+	LogLevel = 1
+	Debugln("你看不到我了！")
+	Panicln("我要下线了")
+	CloseLog()
 }