diff --git a/controllers/guardian.go b/controllers/guardian.go
index b7da678..d8678e2 100644
--- a/controllers/guardian.go
+++ b/controllers/guardian.go
@@ -18,7 +18,7 @@ func Guardian(output bool) {
 		go Daemon.DaemonChan()
 
 		if e := Daemon.MarkDaemon(); e != nil {
-			util.Log.Fatalln(e)
+			util.Log.Warn("写入daemon标记文件失败: ", e)
 		}
 	}
 
@@ -31,14 +31,14 @@ func Guardian(output bool) {
 			}()
 			if global.Config.Settings.Basic.Interfaces == "" { //单网卡
 				if !util.Checker.NetOk(global.Transports(nil)) {
-					util.Log.Println("Network down, trying to login")
+					util.Log.Info("检测到掉线, trying to login")
 					e := Login(output, true, nil)
 					if e != nil {
-						util.Log.Println("Error: ", e)
+						util.Log.Warn("登陆失败: ", e)
 					}
 				} else {
 					if global.Config.Settings.Debug.Enable {
-						util.Log.Println("Network ok")
+						util.Log.Debug("Network ok")
 					}
 				}
 			} else { //多网卡
@@ -47,16 +47,16 @@ func Guardian(output bool) {
 					var down []srunModels.Eth
 					for _, eth := range interfaces {
 						if !util.Checker.NetOk(global.Transports(eth.Addr)) {
-							util.Log.Println(eth.Name + " network down")
+							util.Log.Info("检测到掉线网口 ", eth.Name)
 							down = append(down, eth)
 						}
 					}
 
 					for _, eth := range down {
-						util.Log.Println(eth.Name)
+						util.Log.Info(eth.Name)
 						e := Login(output, true, eth.Addr)
 						if e != nil {
-							util.Log.Println(eth.Name+" login error: ", e)
+							util.Log.Warn("网口 ", eth.Name+" 登录失败: ", e)
 						}
 					}
 				}
@@ -71,12 +71,12 @@ func Guardian(output bool) {
 
 // EnterGuardian 守护模式入口，控制是否进入daemon
 func EnterGuardian() {
-	util.Log.Println("[Guardian mode]")
+	util.Log.Info("[Guardian mode]")
 	if global.Config.Settings.Daemon.Enable || global.Flags.Daemon {
 		if err := exec.Command(os.Args[0], append(os.Args[1:], "--running-daemon")...).Start(); err != nil {
-			util.Log.Fatalln(err)
+			util.Log.Fatal("启动守护失败: ", err)
 		}
-		util.Log.Println("[Daemon mode entered]")
+		util.Log.Info("[Daemon mode entered]")
 		return
 	}
 	Guardian(true)
diff --git a/main.go b/main.go
index df3a5fe..be62dac 100644
--- a/main.go
+++ b/main.go
@@ -28,24 +28,15 @@ func main() {
 		//单次登录模式
 		if global.Config.Settings.Basic.Interfaces == "" { //单网卡
 			if err := controllers.Login(true, global.Config.Settings.Basic.SkipNetCheck, nil); err != nil {
-				util.Log.Println("运行出错，状态异常")
-				if global.Config.Settings.Debug.Enable {
-					util.Log.Fatalln(err)
-				} else {
-					util.Log.Println(err)
-					return
-				}
+				util.Log.Fatal("运行出错，状态异常: ", err)
 			}
 		} else { //多网卡
-			interfaces, e := util.GetInterfaceAddr()
-			if e != nil {
-				return
-			}
+			util.Log.Debug("多网卡模式")
+			interfaces, _ := util.GetInterfaceAddr()
 			for _, eth := range interfaces {
-				util.Log.Println(eth.Name)
+				util.Log.Info("网卡: ", eth.Name)
 				if err := controllers.Login(true, global.Config.Settings.Basic.SkipNetCheck, eth.Addr); err != nil {
-					util.Log.Println(eth.Name + "运行出错，状态异常")
-					util.Log.Println(err)
+					util.Log.Warn("运行出错，状态异常: ", err)
 				}
 			}
 		}
diff --git a/util/XBase64.go b/util/XBase64.go
index efd70e7..d79d83b 100644
--- a/util/XBase64.go
+++ b/util/XBase64.go
@@ -3,7 +3,7 @@ package util
 func getbyte(a byte) int {
 	x := int(a)
 	if x > 255 {
-		Log.Fatalln("INVALID_CHARACTER_ERR: DOM Exception 5")
+		Log.Fatal("INVALID_CHARACTER_ERR: DOM Exception 5")
 	}
 	return x
 }
diff --git a/util/eth.go b/util/eth.go
index ab77a0e..c55ff03 100644
--- a/util/eth.go
+++ b/util/eth.go
@@ -17,21 +17,21 @@ func GetInterfaceAddr() ([]srunModels.Eth, error) {
 	}
 	reg, e := regexp.Compile(global.Config.Settings.Basic.Interfaces)
 	if e != nil {
-		Log.Println("interfaces设置异常，无法解析")
-		return nil, e
+		Log.Fatal("interfaces设置异常，无法解析: ", e)
 	}
 	for _, eth := range interfaces {
 		if reg.Match([]byte(eth.Name)) {
 			addrs, e := eth.Addrs()
 			if e != nil {
-				Log.Println(eth.Name + " 地址获取失败")
+				Log.Warn(eth.Name+" 网卡地址获取失败: ", e)
+				continue
 			}
 			for _, addr := range addrs {
 				if strings.Contains(addr.String(), ".") {
 					var ip *net.TCPAddr
 					ip, e = net.ResolveTCPAddr("tcp", strings.Split(addr.String(), "/")[0]+":0")
 					if e != nil {
-						Log.Println(eth.Name+" ip解析失败：", e)
+						Log.Warn(eth.Name+" ip解析失败：", e)
 						continue
 					}
 					result = append(result, srunModels.Eth{
diff --git a/util/log.go b/util/log.go
index 46e531a..333a9aa 100644
--- a/util/log.go
+++ b/util/log.go
@@ -14,16 +14,17 @@ type loG struct {
 	timeStamp string
 	WriteFile bool
 	Path      string
-	Debug     bool
 	OutPut    bool
+	DebugMode bool
 }
 
 var Log loG
 
 func (c *loG) Init(debug, logFile, outPut bool, path string) error {
-	c.Debug = debug
+	c.DebugMode = debug
 	c.WriteFile = logFile
 	c.OutPut = outPut
+	c.timeStamp = time.Now().Format("2006.01.02-15.04.05")
 
 	//日志路径初始化与处理
 	if !strings.HasSuffix(path, "/") {
@@ -38,46 +39,50 @@ func (c *loG) time() string {
 }
 
 func (c *loG) WriteLog(name string, a ...interface{}) {
-	if !(c.Debug && c.WriteFile) {
-		return
-	}
-	var t string
-	for _, v := range a {
-		t += fmt.Sprint(v)
-	}
-	err := tool.File.Add(c.Path+name, c.time()+" "+t, 700)
-	if err != nil {
-		log.Println("Write log error: ", err)
+	err := tool.File.Add(c.Path+name, c.time()+" "+fmt.Sprint(a...), 700)
+	if err != nil && c.OutPut {
+		log.Println(err)
 	}
 }
 
-func (c *loG) genTimeStamp() {
-	if c.timeStamp == "" {
-		c.timeStamp = time.Now().Format("2006.01.02-15.04.05")
+func (c *loG) print(fatal bool, a ...interface{}) {
+	if c.DebugMode && c.WriteFile {
+		c.WriteLog("Login-"+c.timeStamp+".log", a...)
 	}
-}
-
-func (c *loG) Println(a ...interface{}) {
-	c.genTimeStamp()
-	c.WriteLog("Login-"+c.timeStamp+".log", a...)
 	if c.OutPut {
-		log.Println(a...)
+		if fatal {
+			if c.DebugMode {
+				log.Panicln(a...)
+			} else {
+				log.Fatalln(a...)
+			}
+		} else {
+			log.Println(a...)
+		}
 	}
 }
 
-func (c *loG) Fatalln(a ...interface{}) {
-	c.genTimeStamp()
-	c.WriteLog("LoginError-"+c.timeStamp+".log", a...)
-	if c.OutPut {
-		log.Fatalln(a...)
+func (c *loG) Debug(a ...interface{}) {
+	if c.DebugMode {
+		c.print(false, append([]interface{}{"[DEBUG] "}, a...)...)
 	}
 }
 
+func (c *loG) Info(a ...interface{}) {
+	c.print(false, append([]interface{}{"[INFO] "}, a...)...)
+}
+
+func (c *loG) Warn(a ...interface{}) {
+	c.print(false, append([]interface{}{"[WARN] "}, a...)...)
+}
+
+func (c *loG) Fatal(a ...interface{}) {
+	c.print(true, append([]interface{}{"[FATAL] "}, a...)...)
+}
+
 func (c *loG) CatchRecover() {
 	if e := recover(); e != nil {
-		c.Println(e)
 		var buf [4096]byte
-		c.Println(string(buf[:runtime.Stack(buf[:], false)]))
-		os.Exit(1)
+		c.Fatal(e, "\n", string(buf[:runtime.Stack(buf[:], false)]))
 	}
 }
diff --git a/v1/login.go b/v1/login.go
index b2bec1b..6058e8a 100644
--- a/v1/login.go
+++ b/v1/login.go
@@ -10,20 +10,20 @@ import (
 )
 
 func Login(c *srunTransfer.Login) error {
-	util.Log.Debug = c.Debug
+	util.Log.DebugMode = c.Debug
 	util.Log.WriteFile = c.WriteLog
 	util.Log.OutPut = c.OutPut
 
 	G := util.GenerateLoginInfo(c.Https, c.LoginInfo.Form, c.LoginInfo.Meta)
 	if c.CheckNet {
-		util.Log.Println("Step0: 检查状态…")
+		util.Log.Info("Step0: 检查状态…")
 		if util.Checker.NetOk(c.Transport) {
-			util.Log.Println("网络 ok")
+			util.Log.Info("网络 ok")
 			return nil
 		}
 	}
 
-	util.Log.Println("Step1: 正在获取客户端ip")
+	util.Log.Info("Step1: 正在获取客户端ip")
 	{
 		if _, body, e := tool.HTTP.GetString(&tool.GetRequest{
 			Url:       G.UrlLoginPage,
@@ -36,7 +36,7 @@ func Login(c *srunTransfer.Login) error {
 		}
 	}
 
-	util.Log.Println("Step2: 正在获取Token")
+	util.Log.Info("Step2: 正在获取Token")
 	{
 		if _, data, e := tool.HTTP.GetString(&tool.GetRequest{
 			Url: G.UrlGetChallengeApi,
@@ -54,7 +54,7 @@ func Login(c *srunTransfer.Login) error {
 		}
 	}
 
-	util.Log.Println("Step3: 执行登录…")
+	util.Log.Info("Step3: 执行登录…")
 	{
 		info, e := json.Marshal(map[string]string{
 			"username": G.Form.UserName,
@@ -101,9 +101,9 @@ func Login(c *srunTransfer.Login) error {
 		} else if G.LoginResult, e = util.GetResult(res); e != nil {
 			return e
 		} else {
-			util.Log.Println("登录结果: " + G.LoginResult)
+			util.Log.Info("登录结果: " + G.LoginResult)
 			if c.Debug {
-				util.Log.Println(res)
+				util.Log.Info(res)
 			}
 		}