fix: 修复upf5002 telnet消息返回延迟导致命令行为不一致

src/framework/telnet/telnet.go

@@ -27,9 +27,8 @@ func (c *ConnTelnet) NewClient() (*ConnTelnet, error) {
 	proto := "tcp"
 	if strings.Contains(c.Addr, ":") {
 		proto = "tcp6"
-		c.Addr = fmt.Sprintf("[%s]", c.Addr)
 	}
-	addr := fmt.Sprintf("%s:%d", c.Addr, c.Port)
+	addr := net.JoinHostPort(c.Addr, fmt.Sprint(c.Port))
 
 	// 默认等待5s
 	if c.DialTimeOut == 0 {
@@ -76,6 +75,7 @@ func (c *ConnTelnet) RunCMD(cmd string) (string, error) {
 		if _, err := conn.Write([]byte(cmd)); err != nil {
 			return "", err
 		}
+		time.Sleep(100 * time.Millisecond)
 	}
 
 	var buf bytes.Buffer