diff --git a/bsp/stm32f10x-HAL/drivers/board.c b/bsp/stm32f10x-HAL/drivers/board.c
index d520411984..12d5b7d80f 100644
--- a/bsp/stm32f10x-HAL/drivers/board.c
+++ b/bsp/stm32f10x-HAL/drivers/board.c
@@ -49,6 +49,7 @@ void HAL_MspInit(void)
 
 void SystemClock_Config(void)
 {
+    rt_err_t result;
     RCC_OscInitTypeDef RCC_OscInitStruct;
     RCC_ClkInitTypeDef RCC_ClkInitStruct;
     /**Initializes the CPU, AHB and APB busses clocks
@@ -60,7 +61,8 @@ void SystemClock_Config(void)
     RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
     RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSE;
     RCC_OscInitStruct.PLL.PLLMUL = RCC_PLL_MUL9;
-    RT_ASSERT(HAL_RCC_OscConfig(&RCC_OscInitStruct) == HAL_OK);
+    result = HAL_RCC_OscConfig(&RCC_OscInitStruct);
+    RT_ASSERT(result == HAL_OK);
     /**Initializes the CPU, AHB and APB busses clocks
       */
     RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK | RCC_CLOCKTYPE_SYSCLK | RCC_CLOCKTYPE_PCLK1 | RCC_CLOCKTYPE_PCLK2;
@@ -68,7 +70,8 @@ void SystemClock_Config(void)
     RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
     RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV2;
     RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV1;
-    RT_ASSERT(HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_2) == HAL_OK);
+    result = HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_2);
+    RT_ASSERT(result == HAL_OK);
     /**Configure the Systick interrupt time
       */
     HAL_SYSTICK_Config(HAL_RCC_GetHCLKFreq() / RT_TICK_PER_SECOND);
diff --git a/bsp/stm32f10x-HAL/drivers/drv_usart.c b/bsp/stm32f10x-HAL/drivers/drv_usart.c
index 80bf5578d8..771f4d62a1 100644
--- a/bsp/stm32f10x-HAL/drivers/drv_usart.c
+++ b/bsp/stm32f10x-HAL/drivers/drv_usart.c
@@ -267,6 +267,7 @@ INIT_BOARD_EXPORT(rt_hw_usart_init);
 
 static void MX_USART_UART_Init(UART_HandleTypeDef *uartHandle)
 {
+    rt_err_t result;
     uartHandle->Init.BaudRate = 115200;
     uartHandle->Init.WordLength = UART_WORDLENGTH_8B;
     uartHandle->Init.StopBits = UART_STOPBITS_1;
@@ -274,7 +275,8 @@ static void MX_USART_UART_Init(UART_HandleTypeDef *uartHandle)
     uartHandle->Init.Mode = UART_MODE_TX_RX;
     uartHandle->Init.HwFlowCtl = UART_HWCONTROL_NONE;
     uartHandle->Init.OverSampling = UART_OVERSAMPLING_16;
-    RT_ASSERT(HAL_UART_Init(uartHandle) == HAL_OK);
+    result = HAL_UART_Init(uartHandle);
+    RT_ASSERT(result == HAL_OK);
 
 }
 /* USART2 init function */