diff --git a/project/src/at32f403a_407_int.c b/project/src/at32f403a_407_int.c
index 9770b09..ca6e2f7 100644
--- a/project/src/at32f403a_407_int.c
+++ b/project/src/at32f403a_407_int.c
@@ -249,7 +249,10 @@ void USART2_IRQHandler(void)
 {
   /* add user code begin USART2_IRQ 0 */
   if (SET == usart_flag_get(USART2, USART_RDBF_FLAG)) {
-    usart_data_receive(USART2);
+    uint8_t data = usart_data_receive(USART2);
+    if(data == 0x06){
+        nvic_system_reset();
+    }
     usart_flag_clear(USART2, USART_RDBF_FLAG);
   }
   /* add user code end USART2_IRQ 0 */