remove the double init code

app/netease_control_center_common_module/src/netease_control_center/modules/hardware/mcu_leds/atservice/uartdriver.go

@@ -56,15 +56,7 @@ func uartInit() error {
 		return errors.New("port open error!")
 	} else {
 		flushUart() //flush uart data
-		sPort.Close()
+		go uartReadStart()
-		sPort, err = serial.OpenPort(c)
-		if err != nil {
-			log.Println(log.ErrorLog, err)
-			return errors.New("port open error!")
-		} else {
-			flushUart() //flush uart data
-			go uartReadStart()
-		}
 	}
 
 	return err