diff --git a/bsp/stm32/stm32l053-st-nucleo/README.md b/bsp/stm32/stm32l053-st-nucleo/README.md
index 8c34b6fb8fee4e83209f0e15c5625a7ab0e13c90..88fa5c08407c15eabd342649ec05537564c9fd98 100644
--- a/bsp/stm32/stm32l053-st-nucleo/README.md
+++ b/bsp/stm32/stm32l053-st-nucleo/README.md
@@ -1,4 +1,4 @@
-# NUCLEO-L053R8 开发板的 BSP 说明
+# NUCLEO-L053R8 开发板 BSP 说明
 
 ## 简介
 
diff --git a/bsp/stm32/stm32l053-st-nucleo/board/CubeMX_Config/Src/main.c b/bsp/stm32/stm32l053-st-nucleo/board/CubeMX_Config/Src/main.c
index a4a4e7e80cb2a64a02355b32f09ccd4c26f34f66..6fddba35eadac3bf233194e4773fe7ed5a7fb573 100644
--- a/bsp/stm32/stm32l053-st-nucleo/board/CubeMX_Config/Src/main.c
+++ b/bsp/stm32/stm32l053-st-nucleo/board/CubeMX_Config/Src/main.c
@@ -97,18 +97,14 @@ int main(void)
   MX_GPIO_Init();
   MX_USART2_UART_Init();
   /* USER CODE BEGIN 2 */
-  uint32_t hell0;
-hell0 = HAL_RCC_GetPCLK1Freq();
-//printf("hell0:%d",hell0);
+
   /* USER CODE END 2 */
 
   /* Infinite loop */
   /* USER CODE BEGIN WHILE */
   while (1)
   {
-	HAL_UART_Transmit(&huart2, "hello\r\n", strlen("hello\r\n"), 10);
-HAL_Delay(1000);
-  /* USER CODE END WHILE */
+    /* USER CODE END WHILE */
 
   /* USER CODE BEGIN 3 */
 
diff --git a/bsp/stm32/stm32l053-st-nucleo/board/SConscript b/bsp/stm32/stm32l053-st-nucleo/board/SConscript
index be166aa94178ffcbdbcad1f82bb8bb433d0f6f7e..74f501ff9bf5ca02b4cb0f69f7e252f66221e780 100644
--- a/bsp/stm32/stm32l053-st-nucleo/board/SConscript
+++ b/bsp/stm32/stm32l053-st-nucleo/board/SConscript
@@ -31,4 +31,4 @@ elif rtconfig.CROSS_TOOL == 'iar':
 CPPDEFINES = ['STM32L053xx']
 group = DefineGroup('Drivers', src, depend = [''], CPPPATH = path, CPPDEFINES = CPPDEFINES)
 
-Return('group')
\ No newline at end of file
+Return('group')