diff --git a/bsp/at32/Libraries/rt_drivers/drv_soft_i2c.c b/bsp/at32/Libraries/rt_drivers/drv_soft_i2c.c
index 3112da34f8..102bd90840 100644
--- a/bsp/at32/Libraries/rt_drivers/drv_soft_i2c.c
+++ b/bsp/at32/Libraries/rt_drivers/drv_soft_i2c.c
@@ -18,7 +18,7 @@
 
 #if !defined(BSP_USING_I2C1) && !defined(BSP_USING_I2C2) && !defined(BSP_USING_I2C3) && !defined(BSP_USING_I2C4)
 #error "Please define at least one BSP_USING_I2Cx"
-/* this driver can be disabled at menuconfig → RT-Thread Components → Device Drivers */
+/* this driver can be disabled at menuconfig -> RT-Thread Components -> Device Drivers */
 #endif
 
 static const struct at32_soft_i2c_config soft_i2c_config[] =
diff --git a/bsp/at32/Libraries/rt_drivers/drv_usart.c b/bsp/at32/Libraries/rt_drivers/drv_usart.c
index 04838bf2ac..2cf61c422b 100644
--- a/bsp/at32/Libraries/rt_drivers/drv_usart.c
+++ b/bsp/at32/Libraries/rt_drivers/drv_usart.c
@@ -15,7 +15,7 @@
 #if !defined(BSP_USING_UART1) && !defined(BSP_USING_UART2) && \
     !defined(BSP_USING_UART3)
     #error "Please define at least one BSP_USING_UARTx"
-    /* this driver can be disabled at menuconfig → RT-Thread Components → Device Drivers */
+    /* this driver can be disabled at menuconfig -> RT-Thread Components -> Device Drivers */
 #endif
 
 struct at32_usart {
diff --git a/bsp/bluetrum/libraries/hal_drivers/drv_soft_i2c.c b/bsp/bluetrum/libraries/hal_drivers/drv_soft_i2c.c
index 23133b8336..a73da2b860 100644
--- a/bsp/bluetrum/libraries/hal_drivers/drv_soft_i2c.c
+++ b/bsp/bluetrum/libraries/hal_drivers/drv_soft_i2c.c
@@ -19,7 +19,7 @@
 
 #if !defined(BSP_USING_I2C1) && !defined(BSP_USING_I2C2) && !defined(BSP_USING_I2C3) && !defined(BSP_USING_I2C4)
 #error "Please define at least one BSP_USING_I2Cx"
-/* this driver can be disabled at menuconfig → RT-Thread Components → Device Drivers */
+/* this driver can be disabled at menuconfig -> RT-Thread Components -> Device Drivers */
 #endif
 
 static const struct ab32_soft_i2c_config soft_i2c_config[] =
diff --git a/bsp/gd32/libraries/gd32_drivers/drv_soft_i2c.c b/bsp/gd32/libraries/gd32_drivers/drv_soft_i2c.c
index 18c9795c9e..176a7e3319 100644
--- a/bsp/gd32/libraries/gd32_drivers/drv_soft_i2c.c
+++ b/bsp/gd32/libraries/gd32_drivers/drv_soft_i2c.c
@@ -16,7 +16,7 @@
 
 #if !defined(BSP_USING_I2C0) && !defined(BSP_USING_I2C1) && !defined(BSP_USING_I2C2) && !defined(BSP_USING_I2C3)
 #error "Please define at least one BSP_USING_I2Cx"
-/* this driver can be disabled at menuconfig → RT-Thread Components → Device Drivers */
+/* this driver can be disabled at menuconfig -> RT-Thread Components -> Device Drivers */
 #endif
 
 static const struct gd32_soft_i2c_config soft_i2c_config[] =
diff --git a/bsp/gd32vf103v-eval/drivers/drv_usart.c b/bsp/gd32vf103v-eval/drivers/drv_usart.c
index 313440329c..9b6386550a 100644
--- a/bsp/gd32vf103v-eval/drivers/drv_usart.c
+++ b/bsp/gd32vf103v-eval/drivers/drv_usart.c
@@ -15,7 +15,7 @@
 #if !defined(BSP_USING_UART0) && !defined(BSP_USING_UART1) && !defined(BSP_USING_UART2) \
     && !defined(BSP_USING_UART3) && !defined(BSP_USING_UART4) && !defined(BSP_USING_UART5)
     #error "Please define at least one BSP_USING_UARTx"
-    /* this driver can be disabled at menuconfig → RT-Thread Components → Device Drivers */
+    /* this driver can be disabled at menuconfig -> RT-Thread Components -> Device Drivers */
 #endif
 
 struct gd32_usart {
diff --git a/bsp/hk32/libraries/rt_drivers/drv_soft_i2c.c b/bsp/hk32/libraries/rt_drivers/drv_soft_i2c.c
index dc40083832..1dcfcf51e4 100644
--- a/bsp/hk32/libraries/rt_drivers/drv_soft_i2c.c
+++ b/bsp/hk32/libraries/rt_drivers/drv_soft_i2c.c
@@ -18,7 +18,7 @@
 
 #if !defined(BSP_USING_I2C1) && !defined(BSP_USING_I2C2) && !defined(BSP_USING_I2C3) && !defined(BSP_USING_I2C4)
     #error "Please define at least one BSP_USING_I2Cx"
-    /* this driver can be disabled at menuconfig → RT-Thread Components → Device Drivers */
+    /* this driver can be disabled at menuconfig -> RT-Thread Components -> Device Drivers */
 #endif
 
 static const struct hk32_soft_i2c_config soft_i2c_config[] =
diff --git a/bsp/hk32/libraries/rt_drivers/drv_usart.c b/bsp/hk32/libraries/rt_drivers/drv_usart.c
index ff5d5819d8..0619e3e494 100644
--- a/bsp/hk32/libraries/rt_drivers/drv_usart.c
+++ b/bsp/hk32/libraries/rt_drivers/drv_usart.c
@@ -14,7 +14,7 @@
 #ifdef RT_USING_SERIAL
 #if !defined(BSP_USING_UART1) && !defined(BSP_USING_UART2)
     #error "Please define at least one BSP_USING_UARTx"
-    /* this driver can be disabled at menuconfig → RT-Thread Components → Device Drivers */
+    /* this driver can be disabled at menuconfig -> RT-Thread Components -> Device Drivers */
 #endif
 
 struct hk32_usart
diff --git a/bsp/n32g452xx/Libraries/rt_drivers/drv_soft_i2c.c b/bsp/n32g452xx/Libraries/rt_drivers/drv_soft_i2c.c
index 1feb0ac7e2..91847b303a 100644
--- a/bsp/n32g452xx/Libraries/rt_drivers/drv_soft_i2c.c
+++ b/bsp/n32g452xx/Libraries/rt_drivers/drv_soft_i2c.c
@@ -18,7 +18,7 @@
 
 #if !defined(BSP_USING_I2C1) && !defined(BSP_USING_I2C2) && !defined(BSP_USING_I2C3) && !defined(BSP_USING_I2C4)
     #error "Please define at least one BSP_USING_I2Cx"
-    /* this driver can be disabled at menuconfig → RT-Thread Components → Device Drivers */
+    /* this driver can be disabled at menuconfig -> RT-Thread Components -> Device Drivers */
 #endif
 
 static const struct n32_soft_i2c_config soft_i2c_config[] =
diff --git a/bsp/renesas/libraries/HAL_Drivers/drv_soft_i2c.c b/bsp/renesas/libraries/HAL_Drivers/drv_soft_i2c.c
index 2bd18241fa..57aa02e9e2 100644
--- a/bsp/renesas/libraries/HAL_Drivers/drv_soft_i2c.c
+++ b/bsp/renesas/libraries/HAL_Drivers/drv_soft_i2c.c
@@ -23,7 +23,7 @@
 
 #if !defined(BSP_USING_I2C0) && !defined(BSP_USING_I2C1)
     #error "Please define at least one BSP_USING_I2Cx"
-    /* this driver can be disabled at menuconfig → RT-Thread Components → Device Drivers */
+    /* this driver can be disabled at menuconfig -> RT-Thread Components -> Device Drivers */
 #endif
 
 static const struct ra_soft_i2c_config soft_i2c_config[] =
diff --git a/bsp/stm32/libraries/HAL_Drivers/drv_pulse_encoder.c b/bsp/stm32/libraries/HAL_Drivers/drv_pulse_encoder.c
index d6f85f25eb..4c076d7b77 100644
--- a/bsp/stm32/libraries/HAL_Drivers/drv_pulse_encoder.c
+++ b/bsp/stm32/libraries/HAL_Drivers/drv_pulse_encoder.c
@@ -19,7 +19,7 @@
 #if !defined(BSP_USING_PULSE_ENCODER1) && !defined(BSP_USING_PULSE_ENCODER2) && !defined(BSP_USING_PULSE_ENCODER3) \
     && !defined(BSP_USING_PULSE_ENCODER4) && !defined(BSP_USING_PULSE_ENCODER5) && !defined(BSP_USING_PULSE_ENCODER6)
     #error "Please define at least one BSP_USING_PULSE_ENCODERx"
-    /* this driver can be disabled at menuconfig → RT-Thread Components → Device Drivers */
+    /* this driver can be disabled at menuconfig -> RT-Thread Components -> Device Drivers */
 #endif
 
 #define AUTO_RELOAD_VALUE 0x7FFF
diff --git a/bsp/stm32/libraries/HAL_Drivers/drv_soft_i2c.c b/bsp/stm32/libraries/HAL_Drivers/drv_soft_i2c.c
index 871686650b..c284e3d965 100644
--- a/bsp/stm32/libraries/HAL_Drivers/drv_soft_i2c.c
+++ b/bsp/stm32/libraries/HAL_Drivers/drv_soft_i2c.c
@@ -20,7 +20,7 @@
 
 #if !defined(BSP_USING_I2C1) && !defined(BSP_USING_I2C2) && !defined(BSP_USING_I2C3) && !defined(BSP_USING_I2C4)
 #error "Please define at least one BSP_USING_I2Cx"
-/* this driver can be disabled at menuconfig → RT-Thread Components → Device Drivers */
+/* this driver can be disabled at menuconfig -> RT-Thread Components -> Device Drivers */
 #endif
 
 static const struct stm32_soft_i2c_config soft_i2c_config[] =
diff --git a/bsp/stm32/stm32l4r9-st-eval/board/ports/drv_touch_ft.c b/bsp/stm32/stm32l4r9-st-eval/board/ports/drv_touch_ft.c
index 0d3904444f..ff7a19cd22 100644
--- a/bsp/stm32/stm32l4r9-st-eval/board/ports/drv_touch_ft.c
+++ b/bsp/stm32/stm32l4r9-st-eval/board/ports/drv_touch_ft.c
@@ -29,7 +29,7 @@
 #define TOUCH_SLAVE_ADDR            0x38U
 #else
 #error "Please define at least one TOUCH DEVICE"
-/* this driver can be disabled at menuconfig → RT-Thread Components → Device Drivers */
+/* this driver can be disabled at menuconfig -> RT-Thread Components -> Device Drivers */
 #endif
 
 static struct rt_i2c_bus_device *ft_i2c_bus;
diff --git a/bsp/tm4c123bsp/libraries/Drivers/drv_spi.c b/bsp/tm4c123bsp/libraries/Drivers/drv_spi.c
index deee0b49bb..0eca8ab0e3 100644
--- a/bsp/tm4c123bsp/libraries/Drivers/drv_spi.c
+++ b/bsp/tm4c123bsp/libraries/Drivers/drv_spi.c
@@ -19,7 +19,7 @@
 #ifdef RT_USING_SPI
 
 #if defined(BSP_USING_SPI0) || defined(BSP_USING_SPI1) || defined(BSP_USING_SPI2) || defined(BSP_USING_SPI3)
-/* this driver can be disabled at menuconfig → RT-Thread Components → Device Drivers */
+/* this driver can be disabled at menuconfig -> RT-Thread Components -> Device Drivers */
 #include "tm4c123_config.h"
 #include "spi_config.h"
 #include <string.h>
diff --git a/components/drivers/spi/spi-bit-ops.h b/components/drivers/spi/spi-bit-ops.h
index 2f39548e15..f56bb98e9c 100644
--- a/components/drivers/spi/spi-bit-ops.h
+++ b/components/drivers/spi/spi-bit-ops.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2006-2018, RT-Thread Development Team
+ * Copyright (c) 2006-2022, RT-Thread Development Team
  *
  * SPDX-License-Identifier: Apache-2.0
  *
@@ -32,7 +32,7 @@ struct rt_spi_bit_ops
     void (*const dir_miso)(void *data, rt_int32_t state);
 
     void (*const udelay)(rt_uint32_t us);
-    rt_uint32_t delay_us;  /* sclk、mosi and miso line delay */
+    rt_uint32_t delay_us;  /* sclk, mosi and miso line delay */
 };
 
 struct rt_spi_bit_obj
@@ -42,7 +42,7 @@ struct rt_spi_bit_obj
     struct rt_spi_configuration config;
 };
 
-rt_err_t rt_spi_bit_add_bus(struct rt_spi_bit_obj *obj, 
+rt_err_t rt_spi_bit_add_bus(struct rt_spi_bit_obj *obj,
                             const char            *bus_name,
                             struct rt_spi_bit_ops *ops);