diff --git a/Plugins/icmp.go b/Plugins/icmp.go
index 75a4cf7..89b67c0 100644
--- a/Plugins/icmp.go
+++ b/Plugins/icmp.go
@@ -63,12 +63,11 @@ func isping(ip string) bool {
 		return false
 	}
 
-	recvBuf := make([]byte, 32)
-	num, err := conn.Read(recvBuf)
+	recvBuf := make([]byte, 40)
+	num, err := conn.Read(recvBuf[0:40])
 	if err != nil {
 		return false
 	}
-
 	if err := conn.SetReadDeadline(time.Time{}); err != nil {
 		return false
 	}
diff --git a/Plugins/smb.go b/Plugins/smb.go
index ba38e7a..0ac569c 100644
--- a/Plugins/smb.go
+++ b/Plugins/smb.go
@@ -27,7 +27,7 @@ Loop:
 
 }
 
-func SmblConn(info *common.HostInfo, user string, pass string) (flag bool, err error) {
+func SmblConn(info *common.HostInfo, user string, pass string, Domain string) (flag bool, err error) {
 	flag = false
 	Host, Port, Username, Password := info.Host, common.PORTList["smb"], user, pass
 	options := smb.Options{
@@ -35,7 +35,7 @@ func SmblConn(info *common.HostInfo, user string, pass string) (flag bool, err e
 		Port:        445,
 		User:        Username,
 		Password:    Password,
-		Domain:      "",
+		Domain:      Domain,
 		Workstation: "",
 	}
 
@@ -43,7 +43,13 @@ func SmblConn(info *common.HostInfo, user string, pass string) (flag bool, err e
 	if err == nil {
 		defer session.Close()
 		if session.IsAuthenticated {
-			result := fmt.Sprintf("SMB:%v:%v:%v %v", Host, Port, Username, Password)
+			var result string
+			if Domain != "" {
+				result = fmt.Sprintf("SMB:%v:%v:%v\\%v %v", Host, Port, Domain, Username, Password)
+			} else {
+				result = fmt.Sprintf("SMB:%v:%v:%v %v", Host, Port, Username, Password)
+			}
+
 			common.LogSuccess(result)
 			flag = true
 		}
@@ -56,7 +62,7 @@ func doWithTimeOut(info *common.HostInfo, user string, pass string) (flag bool,
 	defer cancel()
 	signal := make(chan int, 1)
 	go func() {
-		flag, err = SmblConn(info, user, pass)
+		flag, err = SmblConn(info, user, pass, info.Domain)
 		signal <- 1
 	}()
 
diff --git a/common/config.go b/common/config.go
index 84fefd3..b546a50 100644
--- a/common/config.go
+++ b/common/config.go
@@ -59,6 +59,7 @@ type HostInfo struct {
 	Host        string
 	HostFile    string
 	Ports       string
+	Domain      string
 	Url         string
 	Timeout     int64
 	WebTimeout  int64
diff --git a/common/flag.go b/common/flag.go
index 8c58c5f..f5921bb 100644
--- a/common/flag.go
+++ b/common/flag.go
@@ -27,6 +27,7 @@ func Flag(Info *HostInfo) {
 	flag.BoolVar(&Info.Isping, "np", false, "not to ping")
 	flag.BoolVar(&Info.Ping, "ping", false, "using ping replace icmp")
 	flag.BoolVar(&Info.IsSave, "no", false, "not to save output log")
+	flag.StringVar(&Info.Domain, "domain", "", "smb domain")
 	flag.StringVar(&Info.Username, "user", "", "username")
 	flag.StringVar(&Info.Userfile, "userf", "", "username file")
 	flag.StringVar(&Info.Password, "pwd", "", "password")