diff --git a/src/model_car_driver_base.cpp b/src/model_car_driver_base.cpp
index c914a7b09ff8c4dfc5f36c0a5d2469198667f866..0ef6a8f18afbbfaf12502adab87337ae7dcad35d 100644
--- a/src/model_car_driver_base.cpp
+++ b/src/model_car_driver_base.cpp
@@ -129,6 +129,7 @@ void *CModelCarDriverBase::data_thread(void *param)
       driver->serial_port->close();
       driver->serial_port->open((void *)&driver->device);
       driver->serial_port->config(&serial_config);
+      std::cout << e.what() << std::endl;
     }
     catch(CException &e){
       std::cout << e.what() << std::endl;