diff --git a/controllers/guardian.go b/controllers/guardian.go
new file mode 100644
index 0000000..b7d8db8
--- /dev/null
+++ b/controllers/guardian.go
@@ -0,0 +1,21 @@
+package controllers
+
+import (
+	"Mmx/global"
+	"Mmx/util"
+	"time"
+)
+
+func Guardian() {
+	for {
+		time.Sleep(time.Duration(global.Config.Settings.Guardian) * time.Second)
+		go func() {
+			defer func() {
+				_ = recover()
+			}()
+			if !util.Checker.NetOk() {
+				Login(false)
+			}
+		}()
+	}
+}
diff --git a/controllers/login.go b/controllers/login.go
new file mode 100644
index 0000000..3c17aed
--- /dev/null
+++ b/controllers/login.go
@@ -0,0 +1,105 @@
+package controllers
+
+import (
+	"Mmx/global"
+	"Mmx/request"
+	"Mmx/util"
+	"encoding/json"
+	"fmt"
+	"time"
+)
+
+func Login(output bool) {
+	global.Status.Output = output
+	util.Log.Println("Step0: 检查状态…")
+	G := global.Config.Generate()
+
+	if !global.Status.Daemon && global.Config.Settings.QuitIfNetOk && util.Checker.NetOk() {
+		util.Log.Println("网络正常，程序退出")
+		return
+	}
+
+	util.Log.Println("Step1: 正在获取客户端ip")
+	{
+		body, err := request.Get(G.UrlLoginPage, nil)
+		if err != nil {
+			util.ErrHandler(err)
+			return
+		}
+		G.Ip, err = util.GetIp(body)
+		if err != nil {
+			util.ErrHandler(err)
+			return
+		}
+	}
+	util.Log.Println("Step2: 正在获取Token")
+	{
+		data, err := request.Get(G.UrlGetChallengeApi, map[string]string{
+			"callback": "jsonp1583251661367",
+			"username": G.Form.UserName,
+			"ip":       G.Ip,
+		})
+		if err != nil {
+			util.ErrHandler(err)
+			return
+		}
+		G.Token, err = util.GetToken(data)
+		if err != nil {
+			util.ErrHandler(err)
+			return
+		}
+	}
+	util.Log.Println("Step3: 执行登录…")
+	{
+		info, err := json.Marshal(map[string]string{
+			"username": G.Form.UserName,
+			"password": G.Form.PassWord,
+			"ip":       G.Ip,
+			"acid":     G.Meta.Acid,
+			"enc_ver":  G.Meta.Enc,
+		})
+		if err != nil {
+			util.ErrHandler(err)
+			return
+		}
+		G.EncryptedInfo = "{SRBX1}" + util.Base64(util.XEncode(string(info), G.Token))
+		G.Md5 = util.Md5(G.Token)
+		G.EncryptedMd5 = "{MD5}" + G.Md5
+
+		var chkstr = G.Token + G.Form.UserName + G.Token + G.Md5
+		chkstr += G.Token + G.Meta.Acid + G.Token + G.Ip
+		chkstr += G.Token + G.Meta.N + G.Token + G.Meta.Type
+		chkstr += G.Token + G.EncryptedInfo
+		G.EncryptedChkstr = util.Sha1(chkstr)
+
+		res, err := request.Get(G.UrlLoginApi, map[string]string{
+			"callback":     "jQuery112401157665",
+			"action":       "login",
+			"username":     G.Form.UserName,
+			"password":     G.EncryptedMd5,
+			"ac_id":        G.Meta.Acid,
+			"ip":           G.Ip,
+			"info":         G.EncryptedInfo,
+			"chksum":       G.EncryptedChkstr,
+			"n":            G.Meta.N,
+			"type":         G.Meta.Type,
+			"os":           "Windows 10",
+			"name":         "windows",
+			"double_stack": "0",
+			"_":            fmt.Sprint(time.Now().UnixNano()),
+		})
+		if err != nil {
+			util.ErrHandler(err)
+			return
+		}
+		G.LoginResult, err = util.GetResult(res)
+		if err != nil {
+			util.ErrHandler(err)
+			return
+		}
+		util.Log.Println("登录结果: " + G.LoginResult)
+		if global.Config.Settings.DemoMode {
+			util.Log.Println(res)
+		}
+	}
+}
diff --git a/global/global.go b/global/global.go
index 80aa849..7dfbd9a 100644
--- a/global/global.go
+++ b/global/global.go
@@ -3,3 +3,8 @@ package global
 import "Mmx/Modles"
 
 var Config *modles.Config
+
+var Status struct {
+	Output bool
+	Daemon bool
+}
diff --git a/main.go b/main.go
index 86c1749..076a5a0 100644
--- a/main.go
+++ b/main.go
@@ -1,17 +1,22 @@
 package main
 
 import (
-	"Mmx/Global"
-	"Mmx/Request"
 	"Mmx/Util"
-	"encoding/json"
-	"fmt"
+	"Mmx/controllers"
+	"Mmx/global"
+	"flag"
 	"os"
+	"os/exec"
 	"runtime"
-	"time"
 )
 
 func main() {
+	goDaemon := flag.Bool("daemon", false, "")
+	flag.Parse()
+	if *goDaemon {
+		controllers.Guardian()
+	}
+
 	defer func() {
 		if e := recover(); e != nil {
 			util.Log.Println(e)
@@ -20,74 +25,19 @@ func main() {
 			os.Exit(1)
 		}
 	}()
-	util.Log.Println("Step0: 检查状态…")
-	G := global.Config.Generate()
+	controllers.Login(true)
 
-	if global.Config.Settings.QuitIfNetOk && util.Checker.NetOk() {
-		util.Log.Println("网络正常，程序退出")
-		return
-	}
-
-	util.Log.Println("Step1: 正在获取客户端ip")
-	{
-		body, err := request.Get(G.UrlLoginPage, nil)
-		util.ErrHandler(err)
-		G.Ip, err = util.GetIp(body)
-		util.ErrHandler(err)
-	}
-	util.Log.Println("Step2: 正在获取Token")
-	{
-		data, err := request.Get(G.UrlGetChallengeApi, map[string]string{
-			"callback": "jsonp1583251661367",
-			"username": G.Form.UserName,
-			"ip":       G.Ip,
-		})
-		util.ErrHandler(err)
-		G.Token, err = util.GetToken(data)
-		util.ErrHandler(err)
-	}
-	util.Log.Println("Step3: 执行登录…")
-	{
-		info, err := json.Marshal(map[string]string{
-			"username": G.Form.UserName,
-			"password": G.Form.PassWord,
-			"ip":       G.Ip,
-			"acid":     G.Meta.Acid,
-			"enc_ver":  G.Meta.Enc,
-		})
-		util.ErrHandler(err)
-		G.EncryptedInfo = "{SRBX1}" + util.Base64(util.XEncode(string(info), G.Token))
-		G.Md5 = util.Md5(G.Token)
-		G.EncryptedMd5 = "{MD5}" + G.Md5
-
-		var chkstr = G.Token + G.Form.UserName + G.Token + G.Md5
-		chkstr += G.Token + G.Meta.Acid + G.Token + G.Ip
-		chkstr += G.Token + G.Meta.N + G.Token + G.Meta.Type
-		chkstr += G.Token + G.EncryptedInfo
-		G.EncryptedChkstr = util.Sha1(chkstr)
-
-		res, err := request.Get(G.UrlLoginApi, map[string]string{
-			"callback":     "jQuery112401157665",
-			"action":       "login",
-			"username":     G.Form.UserName,
-			"password":     G.EncryptedMd5,
-			"ac_id":        G.Meta.Acid,
-			"ip":           G.Ip,
-			"info":         G.EncryptedInfo,
-			"chksum":       G.EncryptedChkstr,
-			"n":            G.Meta.N,
-			"type":         G.Meta.Type,
-			"os":           "Windows 10",
-			"name":         "windows",
-			"double_stack": "0",
-			"_":            fmt.Sprint(time.Now().UnixNano()),
-		})
-		util.ErrHandler(err)
-		G.LoginResult, err = util.GetResult(res)
-		util.ErrHandler(err)
-		util.Log.Println("登录结果: " + G.LoginResult)
-		if global.Config.Settings.DemoMode {
-			util.Log.Println(res)
+	if global.Config.Settings.Guardian != 0 {
+		global.Status.Daemon = true
+		util.Log.Println("[Guardian mode]")
+		if global.Config.Settings.Daemon {
+			if err := exec.Command(os.Args[0], "-daemon").Start(); err != nil {
+				util.ErrHandler(err)
+				return
+			}
+			util.Log.Println("[Daemon mode entered]")
+			return
 		}
+		controllers.Guardian()
 	}
 }
diff --git a/modles/config.go b/modles/config.go
index eae30ee..4599d3f 100644
--- a/modles/config.go
+++ b/modles/config.go
@@ -1,7 +1,7 @@
 package modles
 
 import (
-	"Mmx/Modles/util"
+	"Mmx/modles/util"
 	"reflect"
 )
 
@@ -9,7 +9,8 @@ type Settings struct {
 	QuitIfNetOk bool   `json:"quit_if_net_ok"`
 	DemoMode    bool   `json:"demo_mode"`
 	Dns         string `json:"dns"`
-	Daemon      uint   `json:"daemon"`
+	Guardian    uint   `json:"guardian"`
+	Daemon      bool   `json:"daemon"`
 }
 
 type Config struct {
diff --git a/util/file.go b/util/file.go
index b65115d..15d578c 100644
--- a/util/file.go
+++ b/util/file.go
@@ -13,7 +13,11 @@ type file struct{}
 var File file
 
 func (a *file) Exists(path string) bool {
-	_, err := os.Stat(a.GetRootPath() + path)
+	root, err := a.GetRootPath()
+	if err != nil {
+		return false
+	}
+	_, err = os.Stat(root + path)
 	if err != nil {
 		if os.IsExist(err) {
 			return true
@@ -24,7 +28,11 @@ func (a *file) Exists(path string) bool {
 }
 
 func (a *file) Read(path string) ([]byte, error) {
-	return ioutil.ReadFile(a.GetRootPath() + path)
+	root, err := a.GetRootPath()
+	if err != nil {
+		return nil, err
+	}
+	return ioutil.ReadFile(root + path)
 }
 
 func (a *file) ReadJson(path string, receiver interface{}) error {
@@ -36,7 +44,11 @@ func (a *file) ReadJson(path string, receiver interface{}) error {
 }
 
 func (a *file) Write(path string, data []byte) error {
-	return ioutil.WriteFile(a.GetRootPath()+path, data, 700)
+	root, err := a.GetRootPath()
+	if err != nil {
+		return err
+	}
+	return ioutil.WriteFile(root+path, data, 700)
 }
 
 func (a *file) WriteJson(path string, receiver interface{}) error {
@@ -47,16 +59,21 @@ func (a *file) WriteJson(path string, receiver interface{}) error {
 	return a.Write(path, data)
 }
 
-func (*file) GetRootPath() string {
+func (*file) GetRootPath() (string, error) {
 	t, err := os.Executable()
 	if err != nil {
 		ErrHandler(err)
+		return "", err
 	}
-	return filepath.Dir(t) + "/"
+	return filepath.Dir(t) + "/", nil
 }
 
 func (a *file) Add(path string, c string) error {
-	file, err := os.OpenFile(a.GetRootPath()+path, os.O_WRONLY|os.O_CREATE|os.O_APPEND, 700)
+	root, err := a.GetRootPath()
+	if err != nil {
+		return err
+	}
+	file, err := os.OpenFile(root+path, os.O_WRONLY|os.O_CREATE|os.O_APPEND, 700)
 	defer file.Close()
 	if err != nil {
 		return err
diff --git a/util/log.go b/util/log.go
index ae2c694..9171849 100644
--- a/util/log.go
+++ b/util/log.go
@@ -39,6 +39,9 @@ func (c *loG) genTimeStamp() {
 }
 
 func (c *loG) Println(a ...interface{}) {
+	if !global.Status.Output {
+		return
+	}
 	c.genTimeStamp()
 	if global.Config.Settings.DemoMode {
 		c.WriteLog("Login-"+c.timeStamp+".log", a...)
@@ -47,6 +50,9 @@ func (c *loG) Println(a ...interface{}) {
 }
 
 func (c *loG) Fatalln(a ...interface{}) {
+	if !global.Status.Output {
+		return
+	}
 	c.genTimeStamp()
 	c.WriteLog("LoginError-"+c.timeStamp+".log", a...)
 	log.Fatalln(a...)
diff --git a/util/util.go b/util/util.go
index 393851f..22e3f5f 100644
--- a/util/util.go
+++ b/util/util.go
@@ -52,13 +52,14 @@ func Sha1(content string) string {
 }
 
 func ErrHandler(err error) {
-	if err != nil {
-		Log.Println("运行出错，状态异常")
-		if global.Config.Settings.DemoMode {
-			Log.Fatalln(err)
-		}
-		os.Exit(1)
+	if !global.Status.Output {
+		return
 	}
+	Log.Println("运行出错，状态异常")
+	if global.Config.Settings.DemoMode {
+		Log.Fatalln(err)
+	}
+	os.Exit(1)
 }
 
 func NetDailEr() func(ctx context.Context, network, address string) (net.Conn, error) {