diff --git a/bsp/cm32m101A/MDK-ARM/PRINTF.uvprojx b/bsp/cm32m101A/MDK-ARM/PRINTF.uvprojx
index 46e3fdf62..569c0977c 100644
--- a/bsp/cm32m101A/MDK-ARM/PRINTF.uvprojx
+++ b/bsp/cm32m101A/MDK-ARM/PRINTF.uvprojx
@@ -823,4 +823,4 @@
     <files/>
   </RTE>
 
-</Project>
\ No newline at end of file
+</Project>
diff --git a/package/CH32V103/CH32V103.py b/package/CH32V103/CH32V103.py
new file mode 100644
index 000000000..a7da386f5
--- /dev/null
+++ b/package/CH32V103/CH32V103.py
@@ -0,0 +1,23 @@
+import PikaStdDevice
+
+
+class GPIO(PikaStdDevice.GPIO):
+    # need be overrid
+    def platformHigh():
+        pass
+
+    # need override
+    def platformLow():
+        pass
+
+    # need override
+    def platformEnable():
+        pass
+
+    # need override
+    def platformDisable():
+        pass
+
+    # need override
+    def platformSetMode(mode: str):
+        pass
diff --git a/package/CH32V103/CH32V103_GPIO.c b/package/CH32V103/CH32V103_GPIO.c
new file mode 100644
index 000000000..f82abdcaf
--- /dev/null
+++ b/package/CH32V103/CH32V103_GPIO.c
@@ -0,0 +1,141 @@
+#include "CH32V103_GPIO.h"
+#include "debug.h"
+
+
+GPIO_TypeDef *get_GPIO_group(char *pin){
+    if(strIsStartWith(pin, "PA")){
+        return GPIOA;
+    }
+    if(strIsStartWith(pin, "PB")){
+        return GPIOB;
+    }
+    if(strIsStartWith(pin, "PC")){
+        return GPIOC;
+    }
+    if(strIsStartWith(pin, "PD")){
+        return GPIOD;
+    }
+    return NULL;
+}
+
+uint16_t get_GPIO_pin(char *pin){
+    pin = pin + 2;
+    if (strEqu(pin, "0")) {
+        return GPIO_Pin_0;
+    }
+    if (strEqu(pin, "1")) {
+        return GPIO_Pin_1;
+    }
+    if (strEqu(pin, "2")) {
+        return GPIO_Pin_2;
+    }
+    if (strEqu(pin, "3")) {
+        return GPIO_Pin_3;
+    }
+    if (strEqu(pin, "4")) {
+        return GPIO_Pin_4;
+    }
+    if (strEqu(pin, "5")) {
+        return GPIO_Pin_5;
+    }
+    if (strEqu(pin, "6")) {
+        return GPIO_Pin_6;
+    }
+    if (strEqu(pin, "7")) {
+        return GPIO_Pin_7;
+    }
+    if (strEqu(pin, "8")) {
+        return GPIO_Pin_8;
+    }
+    if (strEqu(pin, "9")) {
+        return GPIO_Pin_9;
+    }
+    if (strEqu(pin, "10")) {
+        return GPIO_Pin_10;
+    }
+    if (strEqu(pin, "11")) {
+        return GPIO_Pin_11;
+    }
+    if (strEqu(pin, "12")) {
+        return GPIO_Pin_12;
+    }
+    if (strEqu(pin, "13")) {
+        return GPIO_Pin_13;
+    }
+    if (strEqu(pin, "14")) {
+        return GPIO_Pin_14;
+    }
+    if (strEqu(pin, "15")) {
+        return GPIO_Pin_15;
+    }
+    return 0;
+}
+
+GPIOMode_TypeDef get_GPIO_mode(char *mode){
+    if(strEqu(mode, "out")){
+        return GPIO_Mode_Out_PP;
+    }
+    if(strEqu(mode, "in")){
+        return GPIO_Mode_IN_FLOATING;
+    }
+    return GPIO_Mode_Out_PP;
+}
+
+uint32_t get_GPIO_Clock_group(char *pin){
+    if(strIsStartWith(pin, "PA")){
+        return RCC_APB2Periph_GPIOA;
+    }
+    if(strIsStartWith(pin, "PB")){
+        return RCC_APB2Periph_GPIOB;
+    }
+    if(strIsStartWith(pin, "PC")){
+        return RCC_APB2Periph_GPIOC;
+    }
+    if(strIsStartWith(pin, "PD")){
+        return RCC_APB2Periph_GPIOD;
+    }
+    return 0;
+}
+
+void CH32V103_GPIO_platformDisable(PikaObj *self){}
+void CH32V103_GPIO_platformEnable(PikaObj *self){
+    char *pin = obj_getStr(self, "pin");
+    char *mode = obj_getStr(self, "mode");
+    GPIO_TypeDef *GPIO_group = get_GPIO_group(pin);
+    uint16_t GPIO_pin = get_GPIO_pin(pin);
+    GPIOMode_TypeDef GPIO_mode = get_GPIO_mode(mode);
+    uint32_t GPIO_clock_group = get_GPIO_Clock_group(pin);
+
+    GPIO_InitTypeDef  GPIO_InitStructure;
+    RCC_APB2PeriphClockCmd(GPIO_clock_group,ENABLE);
+    GPIO_InitStructure.GPIO_Pin = GPIO_pin;
+    GPIO_InitStructure.GPIO_Mode = GPIO_mode;
+    GPIO_InitStructure.GPIO_Speed=GPIO_Speed_50MHz;
+    GPIO_Init(GPIO_group, &GPIO_InitStructure);
+}
+void CH32V103_GPIO_platformHigh(PikaObj *self){
+    char *pin = obj_getStr(self, "pin");
+    GPIO_TypeDef *GPIO_group = get_GPIO_group(pin);
+    uint16_t GPIO_pin = get_GPIO_pin(pin);
+
+    GPIO_WriteBit(GPIO_group, GPIO_pin, Bit_SET);
+}
+void CH32V103_GPIO_platformLow(PikaObj *self){
+    char *pin = obj_getStr(self, "pin");
+    GPIO_TypeDef *GPIO_group = get_GPIO_group(pin);
+    uint16_t GPIO_pin = get_GPIO_pin(pin);
+
+    GPIO_WriteBit(GPIO_group, GPIO_pin, Bit_RESET);
+}
+void CH32V103_GPIO_platformSetMode(PikaObj *self, char * mode){
+    char *pin = obj_getStr(self, "pin");
+    GPIO_TypeDef *GPIO_group = get_GPIO_group(pin);
+    uint16_t GPIO_pin = get_GPIO_pin(pin);
+    GPIOMode_TypeDef GPIO_mode = get_GPIO_mode(mode);
+
+    GPIO_InitTypeDef  GPIO_InitStructure;
+    GPIO_InitStructure.GPIO_Pin = GPIO_pin;
+    GPIO_InitStructure.GPIO_Mode = GPIO_mode;
+    GPIO_InitStructure.GPIO_Speed=GPIO_Speed_50MHz;
+    GPIO_Init(GPIO_group, &GPIO_InitStructure);
+}
diff --git a/package/PikaStdDevice/PikaStdDeivce_GPIO.c b/package/PikaStdDevice/PikaStdDeivce_GPIO.c
index 46847842c..a8f900779 100644
--- a/package/PikaStdDevice/PikaStdDeivce_GPIO.c
+++ b/package/PikaStdDevice/PikaStdDeivce_GPIO.c
@@ -1,6 +1,7 @@
 #include "BaseObj.h"
 #include "PikaStdDevice_GPIO.h"
 
+
 void PikaStdDevice_GPIO_init(PikaObj* self) {
     obj_setInt(self, "isEnable", 0);
     obj_setStr(self, "pin", "PA0");
@@ -37,8 +38,13 @@ void PikaStdDevice_GPIO_high(PikaObj* self) {
 }
 
 void PikaStdDevice_GPIO_setMode(PikaObj* self, char* mode) {
-    obj_setStr(self, "mode", mode);
-    obj_run(self, "platformSetMode(mode)");
+    if(strEqu(mode, "out")||strEqu(mode, "in")){
+        obj_setStr(self, "mode", mode);
+        obj_run(self, "platformSetMode(mode)");
+    }else{
+        obj_setErrorCode(self, 1);
+        obj_setSysOut(self, "[error] GPIO mode should be 'out' or 'in'.");
+    }
 }
 
 void PikaStdDevice_GPIO_setPin(PikaObj* self, char* pinName) {