can finally works

firmware/components/CAN/CAN-B/Src/stm32f1xx_it.c

@@ -212,6 +212,20 @@ void CAN1_RX1_IRQHandler(void)
   /* USER CODE END CAN1_RX1_IRQn 1 */
 }
 
+/**
+  * @brief This function handles EXTI line[9:5] interrupts.
+  */
+void EXTI9_5_IRQHandler(void)
+{
+  /* USER CODE BEGIN EXTI9_5_IRQn 0 */
+
+  /* USER CODE END EXTI9_5_IRQn 0 */
+  HAL_GPIO_EXTI_IRQHandler(GPIO_PIN_7);
+  /* USER CODE BEGIN EXTI9_5_IRQn 1 */
+
+  /* USER CODE END EXTI9_5_IRQn 1 */
+}
+
 /* USER CODE BEGIN 1 */
 
 /* USER CODE END 1 */