diff --git a/bsp/wch/risc-v/ch32v208w-r0/.config b/bsp/wch/risc-v/ch32v208w-r0/.config
index cf3d4a1360752977d4d18ab6ef5cc5fc4a6c35e5..5bc651630dc2cb3b1b074fa6374f6fc911ae9b06 100644
--- a/bsp/wch/risc-v/ch32v208w-r0/.config
+++ b/bsp/wch/risc-v/ch32v208w-r0/.config
@@ -134,7 +134,9 @@ CONFIG_RT_USING_PWM=y
 # CONFIG_RT_USING_MTD_NAND is not set
 # CONFIG_RT_USING_PM is not set
 # CONFIG_RT_USING_FDT is not set
-# CONFIG_RT_USING_RTC is not set
+CONFIG_RT_USING_RTC=y
+# CONFIG_RT_USING_ALARM is not set
+# CONFIG_RT_USING_SOFT_RTC is not set
 # CONFIG_RT_USING_SDIO is not set
 # CONFIG_RT_USING_SPI is not set
 # CONFIG_RT_USING_WDT is not set
@@ -181,8 +183,7 @@ CONFIG_RT_LIBC_DEFAULT_TIMEZONE=8
 #
 # Socket is in the 'Network' category
 #
-CONFIG_RT_USING_CPLUSPLUS=y
-# CONFIG_RT_USING_CPLUSPLUS11 is not set
+# CONFIG_RT_USING_CPLUSPLUS is not set
 
 #
 # Network
@@ -745,20 +746,7 @@ CONFIG_RT_USING_CPLUSPLUS=y
 #
 # Arduino libraries
 #
-CONFIG_PKG_USING_RTDUINO=y
-CONFIG_PKG_RTDUINO_PATH="/packages/arduino/RTduino"
-# CONFIG_RTDUINO_NO_SETUP_LOOP is not set
-CONFIG_RTDUINO_THREAD_SIZE=1536
-CONFIG_RTDUINO_THREAD_PRIO=30
-# CONFIG_RTDUINO_TINY_MODE is not set
-# CONFIG_RTDUINO_SUPPORT_FLOAT_STRING is not set
-# CONFIG_RTDUINO_USING_WIRE is not set
-# CONFIG_RTDUINO_USING_SPI is not set
-# CONFIG_RTDUINO_USING_SERVO is not set
-# CONFIG_RTDUINO_USING_USBSERIAL is not set
-# CONFIG_RTDUINO_USING_SHELL_CMD is not set
-CONFIG_PKG_USING_RTDUINO_LATEST_VERSION=y
-CONFIG_PKG_RTDUINO_VER="latest"
+# CONFIG_PKG_USING_RTDUINO is not set
 
 #
 # Projects
@@ -985,45 +973,15 @@ CONFIG_BSP_USING_UART1=y
 # CONFIG_BSP_USING_UART6 is not set
 # CONFIG_BSP_USING_UART7 is not set
 # CONFIG_BSP_USING_UART8 is not set
-CONFIG_BSP_USING_ADC=y
-CONFIG_BSP_USING_ADC1=y
-# CONFIG_BSP_USING_ADC2 is not set
-# CONFIG_ADC_CHANNEL_16 is not set
-# CONFIG_ADC_CHANNEL_17 is not set
+# CONFIG_BSP_USING_ADC is not set
 # CONFIG_BSP_USING_DAC is not set
-CONFIG_BSP_USING_SOFT_I2C=y
-CONFIG_BSP_USING_I2C1=y
-
-#
-# Notice: PC7 --> 39; PC6 --> 38
-#
-CONFIG_BSP_I2C1_SCL_PIN=38
-CONFIG_BSP_I2C1_SDA_PIN=39
-# CONFIG_BSP_USING_I2C2 is not set
+# CONFIG_BSP_USING_SOFT_I2C is not set
 # CONFIG_BSP_USING_SPI is not set
 # CONFIG_BSP_USING_RTC is not set
 CONFIG_LSI_VALUE=40000
 # CONFIG_BSP_USING_IWDT is not set
 # CONFIG_BSP_USING_CAN is not set
-CONFIG_BSP_USING_TIM=y
-CONFIG_BSP_USING_HWTIMER=y
-# CONFIG_BSP_USING_PWM is not set
-CONFIG_BSP_USING_TIM1=y
-CONFIG_BSP_USING_TIM1_HWTIMER=y
-# CONFIG_BSP_USING_TIM1_PWM is not set
-# CONFIG_BSP_USING_TIM2 is not set
-CONFIG_BSP_USING_TIM3=y
-CONFIG_BSP_USING_TIM3_HWTIMER=y
-# CONFIG_BSP_USING_TIM3_PWM is not set
-CONFIG_BSP_USING_TIM4=y
-CONFIG_BSP_USING_TIM4_HWTIMER=y
-# CONFIG_BSP_USING_TIM4_PWM is not set
-# CONFIG_BSP_USING_TIM5 is not set
-# CONFIG_BSP_USING_TIM6 is not set
-# CONFIG_BSP_USING_TIM7 is not set
-# CONFIG_BSP_USING_TIM8 is not set
-# CONFIG_BSP_USING_TIM9 is not set
-# CONFIG_BSP_USING_TIM10 is not set
+# CONFIG_BSP_USING_TIM is not set
 
 #
 # Board extended module Drivers
diff --git a/bsp/wch/risc-v/ch32v208w-r0/rtconfig.h b/bsp/wch/risc-v/ch32v208w-r0/rtconfig.h
index e0f52dc1bc2d468b623b4cd61b0d9c24a38d283d..99af814ed63e170df2e37067ae7492714fc3055b 100644
--- a/bsp/wch/risc-v/ch32v208w-r0/rtconfig.h
+++ b/bsp/wch/risc-v/ch32v208w-r0/rtconfig.h
@@ -74,12 +74,8 @@
 #define RT_USING_SERIAL
 #define RT_USING_SERIAL_V1
 #define RT_SERIAL_RB_BUFSZ 64
-#define RT_USING_HWTIMER
-#define RT_USING_I2C
-#define RT_USING_I2C_BITOPS
 #define RT_USING_PIN
-#define RT_USING_ADC
-#define RT_USING_PWM
+
 
 /* Using USB */
 
@@ -96,7 +92,6 @@
 
 /* Socket is in the 'Network' category */
 
-#define RT_USING_CPLUSPLUS
 
 /* Network */
 
@@ -191,10 +186,6 @@
 
 /* Arduino libraries */
 
-#define PKG_USING_RTDUINO
-#define RTDUINO_THREAD_SIZE 1536
-#define RTDUINO_THREAD_PRIO 30
-#define PKG_USING_RTDUINO_LATEST_VERSION
 
 /* Projects */
 
@@ -241,24 +232,7 @@
 #define BSP_USING_GPIO
 #define BSP_USING_UART
 #define BSP_USING_UART1
-#define BSP_USING_ADC
-#define BSP_USING_ADC1
-#define BSP_USING_SOFT_I2C
-#define BSP_USING_I2C1
-
-/* Notice: PC7 --> 39; PC6 --> 38 */
-
-#define BSP_I2C1_SCL_PIN 38
-#define BSP_I2C1_SDA_PIN 39
 #define LSI_VALUE 40000
-#define BSP_USING_TIM
-#define BSP_USING_HWTIMER
-#define BSP_USING_TIM1
-#define BSP_USING_TIM1_HWTIMER
-#define BSP_USING_TIM3
-#define BSP_USING_TIM3_HWTIMER
-#define BSP_USING_TIM4
-#define BSP_USING_TIM4_HWTIMER
 
 /* Board extended module Drivers */