diff --git a/config.go b/config.go
index 8215af5..ce10209 100644
--- a/config.go
+++ b/config.go
@@ -24,7 +24,6 @@ type FoeWardMode int
 
 const (
 	NOT FoeWardMode = iota
-	TCPS
 	TCPC
 	UDPC
 )
@@ -43,41 +42,8 @@ func setForWardClient() (conn net.Conn) {
 		if err != nil {
 			log.Fatal(err)
 		}
-
 	default:
 		panic("未知模式设置")
 	}
 	return conn
 }
-func setForWardServer() {
-	switch FoeWardMode(config.forWard) {
-	case TCPS:
-		listen, err := net.Listen("tcp", config.address)
-		if err != nil {
-			log.Fatal(err)
-		}
-		for {
-			conn, err := listen.Accept() // 监听客户端的连接请求
-			if err != nil {
-				log.Println("Accept() failed, err: ", err)
-				continue
-			}
-			go process(conn) // 启动一个goroutine来处理客户端的连接请求
-		}
-	default:
-		panic("未知模式设置")
-	}
-}
-func process(conn net.Conn) {
-	defer conn.Close() // 关闭连接
-	//reader := bufio.NewReader(serialPort)
-	outs = append(outs, conn)
-	defer func() {
-		for i, w := range outs {
-			if w == conn {
-				outs = append(outs[:i], outs[i+1:]...)
-			}
-		}
-	}()
-	input(conn)
-}
diff --git a/flag.go b/flag.go
index 4370458..ff9b940 100644
--- a/flag.go
+++ b/flag.go
@@ -38,7 +38,7 @@ var (
 	endStr      = Flag{ptrVal{string: &config.endStr}, "e", "end", Val{string: "\n"}, "终端换行符"}
 	enableLog   = Flag{ptrVal{bool: &config.enableLog}, "l", "log", Val{bool: false}, "是否启用日志保存"}
 	logFilePath = Flag{ptrVal{string: &config.logFilePath}, "P", "Path", Val{string: "./Log.txt"}, "日志保存路径"}
-	forWard     = Flag{ptrVal{int: &config.forWard}, "f", "forward", Val{int: 0}, "转发模式(0: 无 1:TCP-S 2:TCP-C 3:UDP-C)"}
+	forWard     = Flag{ptrVal{int: &config.forWard}, "f", "forward", Val{int: 0}, "转发模式(0: 无 1:TCP-C 2:UDP-C)"}
 	address     = Flag{ptrVal{string: &config.address}, "a", "address", Val{string: "127.0.0.1:12345"}, "转发服务地址"}
 	frameSize   = Flag{ptrVal{int: &config.forWard}, "F", "Frame", Val{int: 16}, "帧大小"}
 	parityBit   = Flag{ptrVal{int: &config.parityBit}, "v", "verify", Val{int: 0}, "奇偶校验(0:无校验、1:奇校验、2:偶校验、3:1校验、4:0校验)"}
diff --git a/main.go b/main.go
index 1d02d69..66c5c5f 100644
--- a/main.go
+++ b/main.go
@@ -24,7 +24,6 @@ var (
 	out  io.Writer = os.Stdout
 	ins            = []io.Reader{os.Stdin}
 	outs           = []io.Writer{os.Stdout}
-	outn           = 1
 )
 
 func checkPortAvailability(name string) ([]string, error) {
@@ -99,7 +98,7 @@ func output() {
 			strout(out, config.outputCode, fmt.Sprintf("% X %q \n", b, b))
 		}
 	} else {
-		err = charsetconv.ConvertWith(io.LimitReader(serialPort, int64(config.frameSize*4)), charsetconv.Charset(config.inputCode), out, charsetconv.Charset(config.outputCode), false)
+		err = charsetconv.ConvertWith(serialPort, charsetconv.Charset(config.inputCode), out, charsetconv.Charset(config.outputCode), false)
 	}
 	if err != nil {
 		log.Fatal(err)
@@ -131,19 +130,15 @@ func main() {
 	}(serialPort)
 
 	if FoeWardMode(config.forWard) != NOT {
-		if FoeWardMode(config.forWard) == TCPC || FoeWardMode(config.forWard) == UDPC {
-			conn := setForWardClient()
-			ins = append(ins, conn)
-			outs = append(outs, conn)
-			defer func(conn net.Conn) {
-				err := conn.Close()
-				if err != nil {
-					log.Fatal(err)
-				}
-			}(conn)
-		} else {
-			go setForWardServer()
-		}
+		conn := setForWardClient()
+		ins = append(ins, conn)
+		outs = append(outs, conn)
+		defer func(conn net.Conn) {
+			err := conn.Close()
+			if err != nil {
+				log.Fatal(err)
+			}
+		}(conn)
 	}
 	if len(ins) != 0 {
 		for _, reader := range ins {
@@ -157,11 +152,10 @@ func main() {
 		}
 		outs = append(outs, f)
 	}
+	if len(outs) != 1 {
+		out = io.MultiWriter(outs...)
+	}
 	for {
-		if len(outs) != outn {
-			outn = len(outs)
-			out = io.MultiWriter(outs...)
-		}
 		output()
 	}
 }