diff --git a/src/framework/utils/telnet/telnet.go b/src/framework/utils/telnet/telnet.go
index ad2c6b48..fb3c5c4b 100644
--- a/src/framework/utils/telnet/telnet.go
+++ b/src/framework/utils/telnet/telnet.go
@@ -42,6 +42,10 @@ func (c *ConnTelnet) NewClient() (*ConnTelnet, error) {
 		return nil, err
 	}
 
+	// 需要确保接收方理解并正确处理发送窗口大小设置命令
+	client.Write([]byte{255, 251, 31})                           // 发送窗口大小选项
+	client.Write([]byte{255, 250, 31, 0, 128, 0, 120, 255, 240}) // 发送窗口行和列的大小
+
 	// 进行登录
 	time.Sleep(100 * time.Millisecond)
 	client.Write([]byte(c.User + "\r\n"))
@@ -49,8 +53,10 @@ func (c *ConnTelnet) NewClient() (*ConnTelnet, error) {
 	client.Write([]byte(c.Password + "\r\n"))
 	// fmt.Fprintln(client, c.User)
 	// fmt.Fprintln(client, c.Password)
-
 	c.Client = &client
+
+	// 排空连接登录的信息
+	c.RunCMD("")
 	return c, nil
 }
 
@@ -70,32 +76,14 @@ func (c *ConnTelnet) RunCMD(cmd string) (string, error) {
 	var buf bytes.Buffer
 	tmp := make([]byte, 1024)
 
-	// 排空连接登录的信息
-	for {
-		// 设置读取超时时间为100毫秒
-		conn.SetReadDeadline(time.Now().Add(100 * time.Millisecond))
-		n, err := conn.Read(tmp)
-		if err != nil {
-			// 判断是否是超时错误
-			if netErr, ok := err.(net.Error); ok && netErr.Timeout() {
-				break
-			}
-			break
-		}
-		if n == 0 {
-			break
-		}
-		buf.Write(tmp[:n])
-	}
-	buf.Reset()
-
 	// 写入命令
-	_, err := conn.Write([]byte(cmd))
-	if err != nil {
-		return "", err
+	if cmd != "" {
+		if _, err := conn.Write([]byte(cmd)); err != nil {
+			return "", err
+		}
 	}
 
-	// 读取本次响应命令消息
+	// 读取命令消息
 	for {
 		// 设置读取超时时间为1000毫秒
 		conn.SetReadDeadline(time.Now().Add(1000 * time.Millisecond))
@@ -123,35 +111,8 @@ func (c *ConnTelnet) NewClientSession(cols, rows uint8) (*TelnetClientSession, e
 	if c.Client == nil {
 		return nil, fmt.Errorf("telnet client not connected")
 	}
-	conn := *c.Client
-
-	// 需要确保接收方理解并正确处理发送窗口大小设置命令
-	conn.Write([]byte{255, 251, 31})                             // 发送窗口大小选项
-	conn.Write([]byte{255, 250, 31, 0, rows, 0, cols, 255, 240}) // 发送窗口行和列的大小
-
-	var buf bytes.Buffer
-	tmp := make([]byte, 1024)
-	// 排空连接登录的信息
-	for {
-		// 设置读取超时时间为5毫秒
-		conn.SetReadDeadline(time.Now().Add(5 * time.Millisecond))
-		n, err := conn.Read(tmp)
-		if err != nil {
-			// 判断是否是超时错误
-			if netErr, ok := err.(net.Error); ok && netErr.Timeout() {
-				break
-			}
-			break
-		}
-		if n == 0 {
-			break
-		}
-		buf.Write(tmp[:n])
-	}
-	buf.Reset()
-
 	return &TelnetClientSession{
-		Client: conn,
+		Client: *c.Client,
 	}, nil
 }