diff --git a/bsp/Vango/v85xx/drivers/drv_gpio.c b/bsp/Vango/v85xx/drivers/drv_gpio.c
index 50dc37bfcef035401dda41f7e4ec9d33e5aa1773..0d07537368530336c491a4b72a70b039b1c93135 100644
--- a/bsp/Vango/v85xx/drivers/drv_gpio.c
+++ b/bsp/Vango/v85xx/drivers/drv_gpio.c
@@ -233,7 +233,7 @@ static rt_err_t v85xx_pin_attach_irq(struct rt_device *device, rt_int32_t pin,
     irqindex = bit2bitno(PIN_V85XXPIN(pin));
     if (irqindex < 0 || irqindex >= ITEM_NUM(pin_irq_map))
     {
-        return RT_ENOSYS;
+        return -RT_ENOSYS;
     }
 
     level = rt_hw_interrupt_disable();
@@ -271,7 +271,7 @@ static rt_err_t v85xx_pin_detach_irq(struct rt_device *device, rt_int32_t pin)
     irqindex = bit2bitno(PIN_V85XXPIN(pin));
     if (irqindex < 0 || irqindex >= ITEM_NUM(pin_irq_map))
     {
-        return RT_ENOSYS;
+        return -RT_ENOSYS;
     }
 
     level = rt_hw_interrupt_disable();
@@ -306,7 +306,7 @@ static rt_err_t v85xx_pin_irq_enable(struct rt_device *device, rt_base_t pin, rt
         irqindex = bit2bitno(PIN_V85XXPIN(pin));
         if (irqindex < 0 || irqindex >= ITEM_NUM(pin_irq_map))
         {
-            return RT_ENOSYS;
+            return -RT_ENOSYS;
         }
 
         level = rt_hw_interrupt_disable();
@@ -314,7 +314,7 @@ static rt_err_t v85xx_pin_irq_enable(struct rt_device *device, rt_base_t pin, rt
         if (pin_irq_hdr_tab[irqindex].pin == -1)
         {
             rt_hw_interrupt_enable(level);
-            return RT_ENOSYS;
+            return -RT_ENOSYS;
         }
 
         GPIO_InitStruct.GPIO_Mode = GPIO_Mode_INPUT;
diff --git a/bsp/Vango/v85xxp/drivers/drv_gpio.c b/bsp/Vango/v85xxp/drivers/drv_gpio.c
index 40f340b84d3778a969bf4ee960fc009c1ead6a65..a9ece820bdb446cc0889c8f61d4c66c3ceaaebcc 100644
--- a/bsp/Vango/v85xxp/drivers/drv_gpio.c
+++ b/bsp/Vango/v85xxp/drivers/drv_gpio.c
@@ -234,7 +234,7 @@ static rt_err_t V85XXP_pin_attach_irq(struct rt_device *device, rt_int32_t pin,
     irqindex = bit2bitno(PIN_V85XXPPIN(pin));
     if (irqindex < 0 || irqindex >= ITEM_NUM(pin_irq_map))
     {
-        return RT_ENOSYS;
+        return -RT_ENOSYS;
     }
 
     level = rt_hw_interrupt_disable();
@@ -272,7 +272,7 @@ static rt_err_t V85XXP_pin_detach_irq(struct rt_device *device, rt_int32_t pin)
     irqindex = bit2bitno(PIN_V85XXPPIN(pin));
     if (irqindex < 0 || irqindex >= ITEM_NUM(pin_irq_map))
     {
-        return RT_ENOSYS;
+        return -RT_ENOSYS;
     }
 
     level = rt_hw_interrupt_disable();
@@ -307,7 +307,7 @@ static rt_err_t V85XXP_pin_irq_enable(struct rt_device *device, rt_base_t pin, r
         irqindex = bit2bitno(PIN_V85XXPPIN(pin));
         if (irqindex < 0 || irqindex >= ITEM_NUM(pin_irq_map))
         {
-            return RT_ENOSYS;
+            return -RT_ENOSYS;
         }
 
         level = rt_hw_interrupt_disable();
@@ -315,7 +315,7 @@ static rt_err_t V85XXP_pin_irq_enable(struct rt_device *device, rt_base_t pin, r
         if (pin_irq_hdr_tab[irqindex].pin == -1)
         {
             rt_hw_interrupt_enable(level);
-            return RT_ENOSYS;
+            return -RT_ENOSYS;
         }
 
         GPIO_InitStruct.GPIO_Mode = GPIO_MODE_INPUT;
diff --git a/bsp/acm32/acm32f0x0-nucleo/drivers/drv_gpio.c b/bsp/acm32/acm32f0x0-nucleo/drivers/drv_gpio.c
index f4320e4f024dd0d711d1ef727047719767f18210..ac90907ef0a95506d0c50e7f8e20eb4f1f363e54 100644
--- a/bsp/acm32/acm32f0x0-nucleo/drivers/drv_gpio.c
+++ b/bsp/acm32/acm32f0x0-nucleo/drivers/drv_gpio.c
@@ -318,7 +318,7 @@ static rt_err_t acm32_pin_attach_irq(struct rt_device *device, rt_int32_t pin,
     index = get_pin(pin);
     if (index == RT_NULL)
     {
-        return RT_ENOSYS;
+        return -RT_ENOSYS;
     }
 
     irqindex = PIN2INDEX(pin);
@@ -357,7 +357,7 @@ static rt_err_t acm32_pin_dettach_irq(struct rt_device *device, rt_int32_t pin)
     index = get_pin(pin);
     if (index == RT_NULL)
     {
-        return RT_ENOSYS;
+        return -RT_ENOSYS;
     }
 
     irqindex = PIN2INDEX(pin);
@@ -389,7 +389,7 @@ static rt_err_t acm32_pin_irq_enable(struct rt_device *device, rt_base_t pin,
     index = get_pin(pin);
     if (index == RT_NULL)
     {
-        return RT_ENOSYS;
+        return -RT_ENOSYS;
     }
 
     irqindex = PIN2INDEX(pin);
@@ -402,7 +402,7 @@ static rt_err_t acm32_pin_irq_enable(struct rt_device *device, rt_base_t pin,
         if (pin_irq_hdr_tab[irqindex].pin == -1)
         {
             rt_hw_interrupt_enable(level);
-            return RT_ENOSYS;
+            return -RT_ENOSYS;
         }
 
         System_Module_Enable(EN_EXTI);
@@ -444,7 +444,7 @@ static rt_err_t acm32_pin_irq_enable(struct rt_device *device, rt_base_t pin,
     {
         if ((pin_irq_enable_mask & (1 << irqindex)) == 0)
         {
-            return RT_ENOSYS;
+            return -RT_ENOSYS;
         }
 
         level = rt_hw_interrupt_disable();
diff --git a/bsp/acm32/acm32f4xx-nucleo/drivers/drv_gpio.c b/bsp/acm32/acm32f4xx-nucleo/drivers/drv_gpio.c
index 039beb0848ccb870c1bcb191c8722dbf4e4d61fc..81bf91cd7167569cb2489199739666b2e2ce73b3 100644
--- a/bsp/acm32/acm32f4xx-nucleo/drivers/drv_gpio.c
+++ b/bsp/acm32/acm32f4xx-nucleo/drivers/drv_gpio.c
@@ -290,7 +290,7 @@ static rt_err_t _pin_attach_irq(struct rt_device *device, rt_int32_t pin,
     index = get_pin(pin);
     if (index == RT_NULL)
     {
-        return RT_ENOSYS;
+        return -RT_ENOSYS;
     }
 
     irqindex = PIN2INDEX(pin);
@@ -329,7 +329,7 @@ static rt_err_t _pin_dettach_irq(struct rt_device *device, rt_int32_t pin)
     index = get_pin(pin);
     if (index == RT_NULL)
     {
-        return RT_ENOSYS;
+        return -RT_ENOSYS;
     }
 
     irqindex = PIN2INDEX(pin);
@@ -361,7 +361,7 @@ static rt_err_t _pin_irq_enable(struct rt_device *device, rt_base_t pin,
     index = get_pin(pin);
     if (index == RT_NULL)
     {
-        return RT_ENOSYS;
+        return -RT_ENOSYS;
     }
 
     irqindex = PIN2INDEX(pin);
@@ -374,7 +374,7 @@ static rt_err_t _pin_irq_enable(struct rt_device *device, rt_base_t pin,
         if (pin_irq_hdr_tab[irqindex].pin == -1)
         {
             rt_hw_interrupt_enable(level);
-            return RT_ENOSYS;
+            return -RT_ENOSYS;
         }
 
         /* Configure GPIO_InitStructure */
@@ -414,7 +414,7 @@ static rt_err_t _pin_irq_enable(struct rt_device *device, rt_base_t pin,
     {
         if ((pin_irq_enable_mask & (1 << irqindex)) == 0)
         {
-            return RT_ENOSYS;
+            return -RT_ENOSYS;
         }
 
         level = rt_hw_interrupt_disable();
diff --git a/bsp/airm2m/air105/libraries/rt_drivers/drv_gpio.c b/bsp/airm2m/air105/libraries/rt_drivers/drv_gpio.c
index d3b7126319de020dd777efb39585f2e0b7379aec..0fccebd02eb2c409778b9210e0271a27619c8d7c 100644
--- a/bsp/airm2m/air105/libraries/rt_drivers/drv_gpio.c
+++ b/bsp/airm2m/air105/libraries/rt_drivers/drv_gpio.c
@@ -153,7 +153,7 @@ static rt_err_t air105_pin_irq_enable(struct rt_device *device, rt_base_t pin,
         if (pin_irq_hdr_tab[pin].pin == -1)
         {
             rt_hw_interrupt_enable(level);
-            return RT_ENOSYS;
+            return -RT_ENOSYS;
         }
         switch (pin_irq_hdr_tab[pin].mode)
         {
diff --git a/bsp/airm2m/air32f103/libraries/rt_drivers/drv_hwtimer.c b/bsp/airm2m/air32f103/libraries/rt_drivers/drv_hwtimer.c
index 5c95fe1bb5c3770ee6b5314f76aacf4bf5f3f65a..8f7415fd5a1972a53f6c9f06eb76c4c71de12fa7 100644
--- a/bsp/airm2m/air32f103/libraries/rt_drivers/drv_hwtimer.c
+++ b/bsp/airm2m/air32f103/libraries/rt_drivers/drv_hwtimer.c
@@ -177,7 +177,7 @@ static rt_err_t air32_hwtimer_control(struct rt_hwtimer_device *device, rt_uint3
     break;
 
     default:
-        result = RT_ENOSYS;
+        result = -RT_EINVAL;
         break;
     }
 
diff --git a/bsp/apm32/libraries/Drivers/drv_gpio.c b/bsp/apm32/libraries/Drivers/drv_gpio.c
index 1539dcd7b8c2e168693e528ea96307dfa1a8cfcc..f2f53f95da9cd7fcf8e1c9e3efc8f3ecfcf35866 100644
--- a/bsp/apm32/libraries/Drivers/drv_gpio.c
+++ b/bsp/apm32/libraries/Drivers/drv_gpio.c
@@ -340,7 +340,7 @@ static rt_err_t apm32_pin_attach_irq(struct rt_device *device, rt_base_t pin,
     irqindex = bit2bitno(PIN_APMPIN(pin));
     if (irqindex < 0 || irqindex >= ITEM_NUM(pin_irq_map))
     {
-        return RT_ENOSYS;
+        return -RT_ENOSYS;
     }
 
     level = rt_hw_interrupt_disable();
@@ -379,7 +379,7 @@ static rt_err_t apm32_pin_dettach_irq(struct rt_device *device, rt_base_t pin)
     irqindex = bit2bitno(PIN_APMPIN(pin));
     if (irqindex < 0 || irqindex >= ITEM_NUM(pin_irq_map))
     {
-        return RT_ENOSYS;
+        return -RT_ENOSYS;
     }
 
     level = rt_hw_interrupt_disable();
@@ -416,7 +416,7 @@ static rt_err_t apm32_pin_irq_enable(struct rt_device *device, rt_base_t pin,
         irqindex = bit2bitno(PIN_APMPIN(pin));
         if (irqindex < 0 || irqindex >= ITEM_NUM(pin_irq_map))
         {
-            return RT_ENOSYS;
+            return -RT_ENOSYS;
         }
 
         level = rt_hw_interrupt_disable();
@@ -424,7 +424,7 @@ static rt_err_t apm32_pin_irq_enable(struct rt_device *device, rt_base_t pin,
         if (pin_irq_hdr_tab[irqindex].pin == -1)
         {
             rt_hw_interrupt_enable(level);
-            return RT_ENOSYS;
+            return -RT_ENOSYS;
         }
 
         irqmap = &pin_irq_map[irqindex];
@@ -512,7 +512,7 @@ static rt_err_t apm32_pin_irq_enable(struct rt_device *device, rt_base_t pin,
         irqmap = get_pin_irq_map(PIN_APMPIN(pin));
         if (irqmap == RT_NULL)
         {
-            return RT_ENOSYS;
+            return -RT_ENOSYS;
         }
 
         level = rt_hw_interrupt_disable();
diff --git a/bsp/apollo2/board/gpio.c b/bsp/apollo2/board/gpio.c
index edfaef1431d83790585274678661e17e2daf2e23..95fd5ad57beefb5dfeea881d998eeb55e92d819c 100644
--- a/bsp/apollo2/board/gpio.c
+++ b/bsp/apollo2/board/gpio.c
@@ -176,7 +176,7 @@ rt_err_t am_pin_irq_enable(struct rt_device *device, rt_base_t pin, rt_uint32_t
     {
         if (am_hal_gpio_int_enable_get() != AM_HAL_GPIO_BIT(am_pin_irq_hdr_tab[irqindex].pin))
         {
-            return RT_ENOSYS;
+            return -RT_ENOSYS;
         }
 
         /* Disable the GPIO/button interrupt */
@@ -184,7 +184,7 @@ rt_err_t am_pin_irq_enable(struct rt_device *device, rt_base_t pin, rt_uint32_t
     }
     else
     {
-        return RT_ENOSYS;
+        return -RT_ENOSYS;
     }
 
     return RT_EOK;
diff --git a/bsp/essemi/es32f0654/drivers/drv_gpio.c b/bsp/essemi/es32f0654/drivers/drv_gpio.c
index 9e654439e2b8e4d00a5af74367657c5b0b201c2e..5710945474f8a104c4a9e6244b36bf561cbc615f 100644
--- a/bsp/essemi/es32f0654/drivers/drv_gpio.c
+++ b/bsp/essemi/es32f0654/drivers/drv_gpio.c
@@ -337,7 +337,7 @@ rt_err_t es32f0_pin_attach_irq(struct rt_device *device, rt_int32_t pin,
     index = get_pin(pin);
     if (index == RT_NULL)
     {
-        return RT_ENOSYS;
+        return -RT_ENOSYS;
     }
     /* pin no. convert to dec no. */
     for (irqindex = 0; irqindex < 16; irqindex++)
@@ -349,7 +349,7 @@ rt_err_t es32f0_pin_attach_irq(struct rt_device *device, rt_int32_t pin,
     }
     if (irqindex < 0 || irqindex >= ITEM_NUM(pin_irq_map))
     {
-        return RT_ENOSYS;
+        return -RT_ENOSYS;
     }
     level = rt_hw_interrupt_disable();
     if (pin_irq_hdr_tab[irqindex].pin == pin &&
@@ -381,12 +381,12 @@ rt_err_t es32f0_pin_detach_irq(struct rt_device *device, rt_int32_t pin)
     index = get_pin(pin);
     if (index == RT_NULL)
     {
-        return RT_ENOSYS;
+        return -RT_ENOSYS;
     }
     irqindex = index->pin & 0x00FF;
     if (irqindex < 0 || irqindex >= ITEM_NUM(pin_irq_map))
     {
-        return RT_ENOSYS;
+        return -RT_ENOSYS;
     }
     level = rt_hw_interrupt_disable();
     if (pin_irq_hdr_tab[irqindex].pin == -1)
@@ -419,7 +419,7 @@ rt_err_t es32f0_pin_irq_enable(struct rt_device *device, rt_base_t pin,
     index = get_pin(pin);
     if (index == RT_NULL)
     {
-        return RT_ENOSYS;
+        return -RT_ENOSYS;
     }
     if (enabled == PIN_IRQ_ENABLE)
     {
@@ -433,13 +433,13 @@ rt_err_t es32f0_pin_irq_enable(struct rt_device *device, rt_base_t pin,
         }
         if (irqindex < 0 || irqindex >= ITEM_NUM(pin_irq_map))
         {
-            return RT_ENOSYS;
+            return -RT_ENOSYS;
         }
         level = rt_hw_interrupt_disable();
         if (pin_irq_hdr_tab[irqindex].pin == -1)
         {
             rt_hw_interrupt_enable(level);
-            return RT_ENOSYS;
+            return -RT_ENOSYS;
         }
         irqmap = &pin_irq_map[irqindex];
         ald_gpio_exti_init(index->gpio, index->pin, &exti_initstruct);
@@ -470,13 +470,13 @@ rt_err_t es32f0_pin_irq_enable(struct rt_device *device, rt_base_t pin,
         irqmap = get_pin_irq_map(index->pin);
         if (irqmap == RT_NULL)
         {
-            return RT_ENOSYS;
+            return -RT_ENOSYS;
         }
         NVIC_DisableIRQ(irqmap->irqno);
     }
     else
     {
-        return RT_ENOSYS;
+        return -RT_ENOSYS;
     }
     return RT_EOK;
 }
diff --git a/bsp/essemi/es32f369x/drivers/drv_gpio.c b/bsp/essemi/es32f369x/drivers/drv_gpio.c
index a805b0379119a2c9094933d2164eb1dda6ccb0df..f10de0a2301544372d66f2ea360aa3aa1044db72 100644
--- a/bsp/essemi/es32f369x/drivers/drv_gpio.c
+++ b/bsp/essemi/es32f369x/drivers/drv_gpio.c
@@ -339,7 +339,7 @@ rt_err_t es32f3_pin_attach_irq(struct rt_device *device, rt_int32_t pin,
     index = get_pin(pin);
     if (index == RT_NULL)
     {
-        return RT_ENOSYS;
+        return -RT_ENOSYS;
     }
     /* pin no. convert to dec no. */
     for (irqindex = 0; irqindex < 16; irqindex++)
@@ -351,7 +351,7 @@ rt_err_t es32f3_pin_attach_irq(struct rt_device *device, rt_int32_t pin,
     }
     if (irqindex < 0 || irqindex >= ITEM_NUM(pin_irq_map))
     {
-        return RT_ENOSYS;
+        return -RT_ENOSYS;
     }
     level = rt_hw_interrupt_disable();
     if (pin_irq_hdr_tab[irqindex].pin == pin &&
@@ -383,7 +383,7 @@ rt_err_t es32f3_pin_detach_irq(struct rt_device *device, rt_int32_t pin)
     index = get_pin(pin);
     if (index == RT_NULL)
     {
-        return RT_ENOSYS;
+        return -RT_ENOSYS;
     }
 
     for (irqindex = 0; irqindex < 16; irqindex++)
@@ -395,7 +395,7 @@ rt_err_t es32f3_pin_detach_irq(struct rt_device *device, rt_int32_t pin)
     }
     if (irqindex < 0 || irqindex >= ITEM_NUM(pin_irq_map))
     {
-        return RT_ENOSYS;
+        return -RT_ENOSYS;
     }
     level = rt_hw_interrupt_disable();
     if (pin_irq_hdr_tab[irqindex].pin == -1)
@@ -428,7 +428,7 @@ rt_err_t es32f3_pin_irq_enable(struct rt_device *device, rt_base_t pin,
     index = get_pin(pin);
     if (index == RT_NULL)
     {
-        return RT_ENOSYS;
+        return -RT_ENOSYS;
     }
     if (enabled == PIN_IRQ_ENABLE)
     {
@@ -442,13 +442,13 @@ rt_err_t es32f3_pin_irq_enable(struct rt_device *device, rt_base_t pin,
         }
         if (irqindex < 0 || irqindex >= ITEM_NUM(pin_irq_map))
         {
-            return RT_ENOSYS;
+            return -RT_ENOSYS;
         }
         level = rt_hw_interrupt_disable();
         if (pin_irq_hdr_tab[irqindex].pin == -1)
         {
             rt_hw_interrupt_enable(level);
-            return RT_ENOSYS;
+            return -RT_ENOSYS;
         }
         irqmap = &pin_irq_map[irqindex];
         ald_gpio_exti_init(index->gpio, index->pin, &exti_initstruct);
@@ -483,13 +483,13 @@ rt_err_t es32f3_pin_irq_enable(struct rt_device *device, rt_base_t pin,
         irqmap = get_pin_irq_map(index->pin);
         if (irqmap == RT_NULL)
         {
-            return RT_ENOSYS;
+            return -RT_ENOSYS;
         }
         NVIC_DisableIRQ(irqmap->irqno);
     }
     else
     {
-        return RT_ENOSYS;
+        return -RT_ENOSYS;
     }
     return RT_EOK;
 }
diff --git a/bsp/fm33lc026/libraries/HAL_Drivers/drv_gpio.c b/bsp/fm33lc026/libraries/HAL_Drivers/drv_gpio.c
index 084b49b0df0c19834bb111bb54fffe44f5c94142..8bd4df3c1e2a448280da09e7ca0bd51fe914664d 100644
--- a/bsp/fm33lc026/libraries/HAL_Drivers/drv_gpio.c
+++ b/bsp/fm33lc026/libraries/HAL_Drivers/drv_gpio.c
@@ -251,7 +251,7 @@ static rt_err_t fm33_pin_attach_irq(struct rt_device *device, rt_int32_t pin,
     irqindex = pin2irqindex(pin);
     if (irqindex < 0 || irqindex >= ITEM_NUM(pin_irq_map))
     {
-        return RT_ENOSYS;
+        return -RT_ENOSYS;
     }
 
     level = rt_hw_interrupt_disable();
@@ -290,7 +290,7 @@ static rt_err_t fm33_pin_dettach_irq(struct rt_device *device, rt_int32_t pin)
     irqindex = pin2irqindex(PIN_STPIN(pin));
     if (irqindex < 0 || irqindex >= ITEM_NUM(pin_irq_map))
     {
-        return RT_ENOSYS;
+        return -RT_ENOSYS;
     }
 
     level = rt_hw_interrupt_disable();
@@ -332,7 +332,7 @@ static rt_err_t fm33_pin_irq_enable(struct rt_device *device, rt_base_t pin,
     {
         if (irqindex < 0 || irqindex >= ITEM_NUM(pin_irq_map))
         {
-            return RT_ENOSYS;
+            return -RT_ENOSYS;
         }
 
         irqindex = pin2irqindex(pin);
@@ -343,7 +343,7 @@ static rt_err_t fm33_pin_irq_enable(struct rt_device *device, rt_base_t pin,
         if (pin_irq_hdr_tab[irqindex].pin == -1)
         {
             rt_hw_interrupt_enable(level);
-            return RT_ENOSYS;
+            return -RT_ENOSYS;
         }
 
         /* Configure GPIO_InitStructure */
@@ -383,7 +383,7 @@ static rt_err_t fm33_pin_irq_enable(struct rt_device *device, rt_base_t pin,
         irqmap = get_pin_irq_map(PIN_STPIN(pin));
         if (irqmap == RT_NULL)
         {
-            return RT_ENOSYS;
+            return -RT_ENOSYS;
         }
 
         level = rt_hw_interrupt_disable();
diff --git a/bsp/ft32/libraries/Drivers/drv_gpio.c b/bsp/ft32/libraries/Drivers/drv_gpio.c
index a9f9a1bb669e963e5c3e039d6a5b93b845810a2d..6be875e04f3a2e4a3c8afa8aba4adcd7e4308e52 100644
--- a/bsp/ft32/libraries/Drivers/drv_gpio.c
+++ b/bsp/ft32/libraries/Drivers/drv_gpio.c
@@ -234,7 +234,7 @@ static rt_err_t ft32_pin_attach_irq(struct rt_device *device, rt_int32_t pin,
     irqindex = bit2bitno(PIN_FTPIN(pin));
     if (irqindex < 0 || irqindex >= ITEM_NUM(pin_irq_map))
     {
-        return RT_ENOSYS;
+        return -RT_ENOSYS;
     }
 
     level = rt_hw_interrupt_disable();
@@ -273,7 +273,7 @@ static rt_err_t ft32_pin_dettach_irq(struct rt_device *device, rt_int32_t pin)
     irqindex = bit2bitno(PIN_FTPIN(pin));
     if (irqindex < 0 || irqindex >= ITEM_NUM(pin_irq_map))
     {
-        return RT_ENOSYS;
+        return -RT_ENOSYS;
     }
 
     level = rt_hw_interrupt_disable();
@@ -368,7 +368,7 @@ static rt_err_t ft32_pin_irq_enable(struct rt_device *device, rt_base_t pin,
         irqindex = bit2bitno(PIN_FTPIN(pin));
         if (irqindex < 0 || irqindex >= ITEM_NUM(pin_irq_map))
         {
-            return RT_ENOSYS;
+            return -RT_ENOSYS;
         }
 
         level = rt_hw_interrupt_disable();
@@ -376,7 +376,7 @@ static rt_err_t ft32_pin_irq_enable(struct rt_device *device, rt_base_t pin,
         if (pin_irq_hdr_tab[irqindex].pin == -1)
         {
             rt_hw_interrupt_enable(level);
-            return RT_ENOSYS;
+            return -RT_ENOSYS;
         }
 
         irqmap = &pin_irq_map[irqindex];
@@ -425,7 +425,7 @@ static rt_err_t ft32_pin_irq_enable(struct rt_device *device, rt_base_t pin,
         irqmap = get_pin_irq_map(PIN_FTPIN(pin));
         if (irqmap == RT_NULL)
         {
-            return RT_ENOSYS;
+            return -RT_ENOSYS;
         }
 
         level = rt_hw_interrupt_disable();
diff --git a/bsp/gd32vf103v-eval/drivers/drv_gpio.c b/bsp/gd32vf103v-eval/drivers/drv_gpio.c
index 4427191a54e51d5bc6f83f44a34091275072afc0..f7dcf1284fa8905c803d405273147e7fbc76bac3 100644
--- a/bsp/gd32vf103v-eval/drivers/drv_gpio.c
+++ b/bsp/gd32vf103v-eval/drivers/drv_gpio.c
@@ -273,12 +273,12 @@ static rt_err_t gd32vf_pin_attach_irq(struct rt_device *device, rt_int32_t pin,
     index = get_pin(pin);
     if (index == RT_NULL)
     {
-        return RT_ENOSYS;
+        return -RT_ENOSYS;
     }
     irqindex = bit2bitno(index->pin);
     if (irqindex < 0 || irqindex >= ITEM_NUM(pin_irq_map))
     {
-        return RT_ENOSYS;
+        return -RT_ENOSYS;
     }
 
     level = rt_hw_interrupt_disable();
@@ -313,12 +313,12 @@ static rt_err_t gd32vf_pin_dettach_irq(struct rt_device *device, rt_int32_t pin)
     index = get_pin(pin);
     if (index == RT_NULL)
     {
-        return RT_ENOSYS;
+        return -RT_ENOSYS;
     }
     irqindex = bit2bitno(index->pin);
     if (irqindex < 0 || irqindex >= ITEM_NUM(pin_irq_map))
     {
-        return RT_ENOSYS;
+        return -RT_ENOSYS;
     }
 
     level = rt_hw_interrupt_disable();
@@ -347,13 +347,13 @@ static rt_err_t gd32vf_pin_irq_enable(struct rt_device *device, rt_base_t pin,
     index = get_pin(pin);
     if (index == RT_NULL)
     {
-        return RT_ENOSYS;
+        return -RT_ENOSYS;
     }
 
     irqindex = bit2bitno(index->pin);
     if (irqindex < 0 || irqindex >= ITEM_NUM(pin_irq_map))
     {
-        return RT_ENOSYS;
+        return -RT_ENOSYS;
     }
 
     if (enabled == PIN_IRQ_ENABLE)
@@ -363,7 +363,7 @@ static rt_err_t gd32vf_pin_irq_enable(struct rt_device *device, rt_base_t pin,
         if (pin_irq_hdr_tab[irqindex].pin == -1)
         {
             rt_hw_interrupt_enable(level);
-            return RT_ENOSYS;
+            return -RT_ENOSYS;
         }
 
         irqmap = &pin_irq_map[irqindex];
@@ -403,7 +403,7 @@ static rt_err_t gd32vf_pin_irq_enable(struct rt_device *device, rt_base_t pin,
         irqmap = get_pin_irq_map(index->pin);
         if (irqmap == RT_NULL)
         {
-            return RT_ENOSYS;
+            return -RT_ENOSYS;
         }
 
         level = rt_hw_interrupt_disable();
diff --git a/bsp/hc32/libraries/hc32_drivers/drv_gpio.c b/bsp/hc32/libraries/hc32_drivers/drv_gpio.c
index b9e5d3f1f3a5463eee6813a0c38f12fe8c07b421..93539d6d05ebc084ac5e7ab16e8c2ebc0fcedd6f 100644
--- a/bsp/hc32/libraries/hc32_drivers/drv_gpio.c
+++ b/bsp/hc32/libraries/hc32_drivers/drv_gpio.c
@@ -315,7 +315,7 @@ static rt_err_t hc32_pin_attach_irq(struct rt_device *device, rt_int32_t pin,
     irqindex = GPIO_PIN_INDEX(pin);
     if (irqindex >= ITEM_NUM(pin_irq_map))
     {
-        return RT_ENOSYS;
+        return -RT_ENOSYS;
     }
 
     level = rt_hw_interrupt_disable();
@@ -353,7 +353,7 @@ static rt_err_t hc32_pin_detach_irq(struct rt_device *device, rt_int32_t pin)
     irqindex = GPIO_PIN_INDEX(pin);
     if (irqindex >= ITEM_NUM(pin_irq_map))
     {
-        return RT_ENOSYS;
+        return -RT_ENOSYS;
     }
 
     level = rt_hw_interrupt_disable();
@@ -397,7 +397,7 @@ static rt_err_t hc32_pin_irq_enable(struct rt_device *device, rt_base_t pin, rt_
     irqindex = GPIO_PIN_INDEX(pin);
     if (irqindex >= ITEM_NUM(pin_irq_map))
     {
-        return RT_ENOSYS;
+        return -RT_ENOSYS;
     }
 
     irq_map  = &pin_irq_map[irqindex];
@@ -409,7 +409,7 @@ static rt_err_t hc32_pin_irq_enable(struct rt_device *device, rt_base_t pin, rt_
         if (pin_irq_hdr_tab[irqindex].pin == -1)
         {
             rt_hw_interrupt_enable(level);
-            return RT_ENOSYS;
+            return -RT_ENOSYS;
         }
 
         /* Exint config */
diff --git a/bsp/hc32l136/drivers/drv_gpio.c b/bsp/hc32l136/drivers/drv_gpio.c
index 406c74ba6dbc2c3257112d26131d9bcc7184dad5..27b4f74baa7cb183656f67c4df82d3813780b950 100644
--- a/bsp/hc32l136/drivers/drv_gpio.c
+++ b/bsp/hc32l136/drivers/drv_gpio.c
@@ -305,7 +305,7 @@ static rt_err_t _pin_irq_enable(struct rt_device *device, rt_base_t pin, rt_uint
         if (pin_irq_hdr_tab[irqindex].pin == -1)
         {
             rt_hw_interrupt_enable(level);
-            return RT_ENOSYS;
+            return -RT_ENOSYS;
         }
 
         /* Exint config */
diff --git a/bsp/imxrt/libraries/drivers/drv_gpio.c b/bsp/imxrt/libraries/drivers/drv_gpio.c
index dc61760eb284113216f07934f8dbd2c10bc4c2e3..975c5b26ba3fd956c34bd0540785fc6140b87ebb 100644
--- a/bsp/imxrt/libraries/drivers/drv_gpio.c
+++ b/bsp/imxrt/libraries/drivers/drv_gpio.c
@@ -668,7 +668,7 @@ static rt_err_t imxrt_pin_attach_irq(struct rt_device *device, rt_int32_t pin,
     if (PIN_INVALID_CHECK(port, pin_num))
     {
         LOG_D("invalid pin,rtt pin: %d,port: %d,pin: %d \n", pin,port + 1,pin_num);
-        return RT_ENOSYS;
+        return -RT_ENOSYS;
     }
 
     level = rt_hw_interrupt_disable();
@@ -701,7 +701,7 @@ static rt_err_t imxrt_pin_detach_irq(struct rt_device *device, rt_int32_t pin)
     if (PIN_INVALID_CHECK(port, pin_num))
     {
         LOG_D("invalid pin,rtt pin: %d,port: %d,pin: %d \n", pin,port + 1,pin_num);
-        return RT_ENOSYS;
+        return -RT_ENOSYS;
     }
 
     level = rt_hw_interrupt_disable();
@@ -730,13 +730,13 @@ static rt_err_t imxrt_pin_irq_enable(struct rt_device *device, rt_base_t pin, rt
     if (PIN_INVALID_CHECK(port, pin_num))
     {
         LOG_D("invalid pin,rtt pin: %d,port: %d,pin: %d \n", pin,port + 1,pin_num);
-        return RT_ENOSYS;
+        return -RT_ENOSYS;
     }
 
     if (hdr_tab[pin].pin == -1)
     {
         LOG_D("rtt pin: %d callback function not initialized!\n", pin);
-        return RT_ENOSYS;
+        return -RT_ENOSYS;
     }
 
     if (enabled == PIN_IRQ_ENABLE)
diff --git a/bsp/loongson/ls2kdev/drivers/drv_pwm.c b/bsp/loongson/ls2kdev/drivers/drv_pwm.c
index a6886991002bf6115ffcd3ea11de6640714483d3..9559a2f46038d53673984c5962b615d589ac758d 100644
--- a/bsp/loongson/ls2kdev/drivers/drv_pwm.c
+++ b/bsp/loongson/ls2kdev/drivers/drv_pwm.c
@@ -104,7 +104,7 @@ static rt_err_t loongson_pwm_ioctl(struct rt_device_pwm *device, int cmd, void *
         rc = loongson_pwm_set(device, cfg->channel, cfg->period, cfg->pulse);
         break;
     case PWM_CMD_GET:
-        rc = RT_ENOSYS;
+        rc = -RT_ENOSYS;
         break;
     default:
         rc = -RT_EINVAL;
diff --git a/bsp/loongson/ls2kdev/drivers/drv_rtc.c b/bsp/loongson/ls2kdev/drivers/drv_rtc.c
index ae90e2c79eabac7607fbcdee9efed67ca052b2ec..4b1f358a2fcfa56d0c24af6a980552912944f863 100644
--- a/bsp/loongson/ls2kdev/drivers/drv_rtc.c
+++ b/bsp/loongson/ls2kdev/drivers/drv_rtc.c
@@ -115,7 +115,7 @@ static rt_ssize_t rt_rtc_read(rt_device_t dev, rt_off_t pos, void *buffer, rt_si
 
 static rt_err_t rt_rtc_ioctl(rt_device_t dev, int cmd, void *args)
 {
-    rt_err_t err = RT_ENOSYS;
+    rt_err_t err = -RT_ENOSYS;
 
     static int count = 0;
 
diff --git a/bsp/mm32/libraries/HAL_Drivers/drv_gpio.c b/bsp/mm32/libraries/HAL_Drivers/drv_gpio.c
index 9a28b4514abcc6f82be350f609b9ccaa6f5ff7db..fc780c8d286ea959b0f9ec8a25ecc804d1d60d62 100644
--- a/bsp/mm32/libraries/HAL_Drivers/drv_gpio.c
+++ b/bsp/mm32/libraries/HAL_Drivers/drv_gpio.c
@@ -230,7 +230,7 @@ static rt_err_t mm32_pin_attach_irq(struct rt_device *device, rt_int32_t pin,
     irqindex = bit2bitno(PIN_STPIN(pin));
     if (irqindex < 0 || irqindex >= ITEM_NUM(pin_irq_map))
     {
-        return RT_ENOSYS;
+        return -RT_ENOSYS;
     }
 
     level = rt_hw_interrupt_disable();
@@ -269,7 +269,7 @@ static rt_err_t mm32_pin_dettach_irq(struct rt_device *device, rt_int32_t pin)
     irqindex = bit2bitno(PIN_STPIN(pin));
     if (irqindex < 0 || irqindex >= ITEM_NUM(pin_irq_map))
     {
-        return RT_ENOSYS;
+        return -RT_ENOSYS;
     }
 
     level = rt_hw_interrupt_disable();
@@ -305,7 +305,7 @@ static rt_err_t mm32_pin_irq_enable(struct rt_device *device, rt_base_t pin,
         irqindex = bit2bitno(PIN_STPIN(pin));
         if (irqindex < 0 || irqindex >= ITEM_NUM(pin_irq_map))
         {
-            return RT_ENOSYS;
+            return -RT_ENOSYS;
         }
 
         level = rt_hw_interrupt_disable();
@@ -313,7 +313,7 @@ static rt_err_t mm32_pin_irq_enable(struct rt_device *device, rt_base_t pin,
         if (pin_irq_hdr_tab[irqindex].pin == -1)
         {
             rt_hw_interrupt_enable(level);
-            return RT_ENOSYS;
+            return -RT_ENOSYS;
         }
 
         irqmap = &pin_irq_map[irqindex];
@@ -350,7 +350,7 @@ static rt_err_t mm32_pin_irq_enable(struct rt_device *device, rt_base_t pin,
         irqmap = get_pin_irq_map(PIN_STPIN(pin));
         if (irqmap == RT_NULL)
         {
-            return RT_ENOSYS;
+            return -RT_ENOSYS;
         }
 
         level = rt_hw_interrupt_disable();
diff --git a/bsp/mm32f103x/drivers/drv_gpio.c b/bsp/mm32f103x/drivers/drv_gpio.c
index 4f87ee3f59f7a104afcf46daa9bc54d5d34066a0..8168024967a28a24ae99ea9b86b2a428224a0800 100644
--- a/bsp/mm32f103x/drivers/drv_gpio.c
+++ b/bsp/mm32f103x/drivers/drv_gpio.c
@@ -311,12 +311,12 @@ rt_err_t mm32_pin_detach_irq(struct rt_device *device, rt_int32_t pin)
     index = get_pin(pin);
     if (index == RT_NULL)
     {
-        return RT_ENOSYS;
+        return -RT_ENOSYS;
     }
     irqindex = bit2bitno(index->pin);
     if (irqindex < 0 || irqindex >= ITEM_NUM(mm32_pin_irq_map))
     {
-        return RT_ENOSYS;
+        return -RT_ENOSYS;
     }
 
     level = rt_hw_interrupt_disable();
diff --git a/bsp/mm32f327x/drivers/drv_gpio.c b/bsp/mm32f327x/drivers/drv_gpio.c
index d157f459bb59735ba7de0d94bcdf2172c6fbe85e..af5d9e80dfb16d5c02da3d227388b6e809fe273a 100644
--- a/bsp/mm32f327x/drivers/drv_gpio.c
+++ b/bsp/mm32f327x/drivers/drv_gpio.c
@@ -306,12 +306,12 @@ rt_err_t mm32_pin_detach_irq(struct rt_device *device, rt_int32_t pin)
     index = get_pin(pin);
     if (index == RT_NULL)
     {
-        return RT_ENOSYS;
+        return -RT_ENOSYS;
     }
     irqindex = bit2bitno(index->pin);
     if (irqindex < 0 || irqindex >= ITEM_NUM(mm32_pin_irq_map))
     {
-        return RT_ENOSYS;
+        return -RT_ENOSYS;
     }
 
     level = rt_hw_interrupt_disable();
diff --git a/bsp/mm32l3xx/drivers/drv_gpio.c b/bsp/mm32l3xx/drivers/drv_gpio.c
index a6c3849c858e92864e030ae2b4bd9e2906dd1038..60aa907c1a6c0ea7c9f39d06cac1f5d8a32db9a6 100644
--- a/bsp/mm32l3xx/drivers/drv_gpio.c
+++ b/bsp/mm32l3xx/drivers/drv_gpio.c
@@ -296,12 +296,12 @@ rt_err_t mm32_pin_detach_irq(struct rt_device *device, rt_int32_t pin)
     index = get_pin(pin);
     if (index == RT_NULL)
     {
-        return RT_ENOSYS;
+        return -RT_ENOSYS;
     }
     irqindex = bit2bitno(index->pin);
     if (irqindex < 0 || irqindex >= ITEM_NUM(mm32_pin_irq_map))
     {
-        return RT_ENOSYS;
+        return -RT_ENOSYS;
     }
 
     level = rt_hw_interrupt_disable();
diff --git a/bsp/n32/libraries/n32_drivers/drv_gpio.c b/bsp/n32/libraries/n32_drivers/drv_gpio.c
index 1cfca81dc3e77723060a7ee8893b168a5360a5a4..921926704d8955eef406a947a233179cf69ca19b 100644
--- a/bsp/n32/libraries/n32_drivers/drv_gpio.c
+++ b/bsp/n32/libraries/n32_drivers/drv_gpio.c
@@ -422,12 +422,12 @@ static rt_err_t n32_pin_attach_irq(struct rt_device *device, rt_int32_t pin,
     index = get_pin(pin);
     if (index == RT_NULL)
     {
-        return RT_ENOSYS;
+        return -RT_ENOSYS;
     }
     irqindex = bit2bitno(index->pin);
     if (irqindex < 0 || irqindex >= ITEM_NUM(pin_irq_map))
     {
-        return RT_ENOSYS;
+        return -RT_ENOSYS;
     }
 
     level = rt_hw_interrupt_disable();
@@ -462,12 +462,12 @@ static rt_err_t n32_pin_dettach_irq(struct rt_device *device, rt_int32_t pin)
     index = get_pin(pin);
     if (index == RT_NULL)
     {
-        return RT_ENOSYS;
+        return -RT_ENOSYS;
     }
     irqindex = bit2bitno(index->pin);
     if (irqindex < 0 || irqindex >= ITEM_NUM(pin_irq_map))
     {
-        return RT_ENOSYS;
+        return -RT_ENOSYS;
     }
 
     level = rt_hw_interrupt_disable();
@@ -497,7 +497,7 @@ static rt_err_t n32_pin_irq_enable(struct rt_device *device, rt_base_t pin,
     index = get_pin(pin);
     if (index == RT_NULL)
     {
-        return RT_ENOSYS;
+        return -RT_ENOSYS;
     }
 
     if (enabled == PIN_IRQ_ENABLE)
@@ -505,7 +505,7 @@ static rt_err_t n32_pin_irq_enable(struct rt_device *device, rt_base_t pin,
         irqindex = bit2bitno(index->pin);
         if (irqindex < 0 || irqindex >= ITEM_NUM(pin_irq_map))
         {
-            return RT_ENOSYS;
+            return -RT_ENOSYS;
         }
 
         level = rt_hw_interrupt_disable();
@@ -513,7 +513,7 @@ static rt_err_t n32_pin_irq_enable(struct rt_device *device, rt_base_t pin,
         if (pin_irq_hdr_tab[irqindex].pin == -1)
         {
             rt_hw_interrupt_enable(level);
-            return RT_ENOSYS;
+            return -RT_ENOSYS;
         }
 
         irqmap = &pin_irq_map[irqindex];
@@ -561,7 +561,7 @@ static rt_err_t n32_pin_irq_enable(struct rt_device *device, rt_base_t pin,
         irqmap = get_pin_irq_map(index->pin);
         if (irqmap == RT_NULL)
         {
-            return RT_ENOSYS;
+            return -RT_ENOSYS;
         }
 
         level = rt_hw_interrupt_disable();
diff --git a/bsp/nrf5x/libraries/drivers/drv_gpio.c b/bsp/nrf5x/libraries/drivers/drv_gpio.c
index 43aee703c93b20a5a56e69b6d4e7fec8a61b7c0d..747c63121008a6f894535925a0bca092fb729f92 100644
--- a/bsp/nrf5x/libraries/drivers/drv_gpio.c
+++ b/bsp/nrf5x/libraries/drivers/drv_gpio.c
@@ -206,7 +206,7 @@ static rt_err_t nrf5x_pin_attach_irq(struct rt_device *device, rt_int32_t pin,
     index = get_pin(pin);
     if (index == RT_NULL)
     {
-        return RT_ENOSYS;
+        return -RT_ENOSYS;
     }
 
     irq_quantity = ITEM_NUM(pin_irq_hdr_tab);
@@ -280,7 +280,7 @@ static rt_err_t nrf5x_pin_dettach_irq(struct rt_device *device, rt_int32_t pin)
     index = get_pin(pin);
     if (index == RT_NULL)
     {
-        return RT_ENOSYS;
+        return -RT_ENOSYS;
     }
 
     irq_quantity = ITEM_NUM(pin_irq_hdr_tab);
@@ -300,7 +300,7 @@ static rt_err_t nrf5x_pin_dettach_irq(struct rt_device *device, rt_int32_t pin)
     }
     if(i >= irq_quantity)
     {
-        return RT_ENOSYS;
+        return -RT_ENOSYS;
     }
     return RT_EOK;
 }
@@ -316,7 +316,7 @@ static rt_err_t nrf5x_pin_irq_enable(struct rt_device *device, rt_base_t pin,
     index = get_pin(pin);
     if (index == RT_NULL)
     {
-        return RT_ENOSYS;
+        return -RT_ENOSYS;
     }
 
     irq_quantity = ITEM_NUM(pin_irq_hdr_tab);
@@ -340,7 +340,7 @@ static rt_err_t nrf5x_pin_irq_enable(struct rt_device *device, rt_base_t pin,
 
     if(i >= irq_quantity)
     {
-        return RT_ENOSYS;
+        return -RT_ENOSYS;
     }
     return RT_EOK;
 }
diff --git a/bsp/nuclei/libraries/gd32vf103/HAL_Drivers/drv_gpio.c b/bsp/nuclei/libraries/gd32vf103/HAL_Drivers/drv_gpio.c
index 099d3331e60bb0790dcebbbd912d5dff4de60aec..932ec82d118ede82f2c499c6f98a9cd084d4a216 100644
--- a/bsp/nuclei/libraries/gd32vf103/HAL_Drivers/drv_gpio.c
+++ b/bsp/nuclei/libraries/gd32vf103/HAL_Drivers/drv_gpio.c
@@ -267,12 +267,12 @@ static rt_err_t gd32_pin_attach_irq(struct rt_device *device, rt_int32_t pin,
     index = get_pin(pin);
     if (index == RT_NULL)
     {
-        return RT_ENOSYS;
+        return -RT_ENOSYS;
     }
     irqindex = bit2bitno(index->pin);
     if (irqindex < 0 || irqindex >= ITEM_NUM(pin_irq_map))
     {
-        return RT_ENOSYS;
+        return -RT_ENOSYS;
     }
 
     level = rt_hw_interrupt_disable();
@@ -307,12 +307,12 @@ static rt_err_t gd32_pin_dettach_irq(struct rt_device *device, rt_int32_t pin)
     index = get_pin(pin);
     if (index == RT_NULL)
     {
-        return RT_ENOSYS;
+        return -RT_ENOSYS;
     }
     irqindex = bit2bitno(index->pin);
     if (irqindex < 0 || irqindex >= ITEM_NUM(pin_irq_map))
     {
-        return RT_ENOSYS;
+        return -RT_ENOSYS;
     }
 
     level = rt_hw_interrupt_disable();
@@ -345,7 +345,7 @@ static rt_err_t gd32_pin_irq_enable(struct rt_device *device, rt_base_t pin,
     index = get_pin(pin);
     if (index == RT_NULL)
     {
-        return RT_ENOSYS;
+        return -RT_ENOSYS;
     }
 
     if (enabled == PIN_IRQ_ENABLE)
@@ -353,7 +353,7 @@ static rt_err_t gd32_pin_irq_enable(struct rt_device *device, rt_base_t pin,
         irqindex = bit2bitno(index->pin);
         if (irqindex < 0 || irqindex >= ITEM_NUM(pin_irq_map))
         {
-            return RT_ENOSYS;
+            return -RT_ENOSYS;
         }
 
         level = rt_hw_interrupt_disable();
@@ -361,7 +361,7 @@ static rt_err_t gd32_pin_irq_enable(struct rt_device *device, rt_base_t pin,
         if (pin_irq_hdr_tab[irqindex].pin == -1)
         {
             rt_hw_interrupt_enable(level);
-            return RT_ENOSYS;
+            return -RT_ENOSYS;
         }
 
         irqmap = &pin_irq_map[irqindex];
diff --git a/bsp/rockchip/common/drivers/drv_gpio.c b/bsp/rockchip/common/drivers/drv_gpio.c
index 3ac0e434327cbe203db470e4be120f4e3660c7b7..700936dee8632e0d9a2f5ef9d44e7da27c657f81 100644
--- a/bsp/rockchip/common/drivers/drv_gpio.c
+++ b/bsp/rockchip/common/drivers/drv_gpio.c
@@ -97,7 +97,7 @@ static rt_err_t pin_attach_irq(struct rt_device *device, rt_int32_t pin,
 
     if (pin < 0 || pin >= HAL_ARRAY_SIZE(pin_irq_hdr_tab))
     {
-        return RT_ENOSYS;
+        return -RT_ENOSYS;
     }
 
     level = rt_hw_interrupt_disable();
@@ -132,7 +132,7 @@ static rt_err_t pin_detach_irq(struct rt_device *device, rt_int32_t pin)
 
     if (pin < 0 || pin >= HAL_ARRAY_SIZE(pin_irq_hdr_tab))
     {
-        return RT_ENOSYS;
+        return -RT_ENOSYS;
     }
 
     level = rt_hw_interrupt_disable();
@@ -163,13 +163,13 @@ static rt_err_t pin_irq_enable(struct rt_device *dev, rt_base_t pin, rt_uint32_t
     {
         if (pin < 0 || pin >= HAL_ARRAY_SIZE(pin_irq_hdr_tab))
         {
-            return RT_ENOSYS;
+            return -RT_ENOSYS;
         }
         level = rt_hw_interrupt_disable();
         if (pin_irq_hdr_tab[pin].pin == BANK_PIN_DEFAULT)
         {
             rt_hw_interrupt_enable(level);
-            return RT_ENOSYS;
+            return -RT_ENOSYS;
         }
 
         switch (pin_irq_hdr_tab[pin].mode)
@@ -204,7 +204,7 @@ static rt_err_t pin_irq_enable(struct rt_device *dev, rt_base_t pin, rt_uint32_t
     }
     else
     {
-        return RT_ENOSYS;
+        return -RT_ENOSYS;
     }
 
     return RT_EOK;
diff --git a/bsp/rv32m1_vega/ri5cy/driver/drv_gpio.c b/bsp/rv32m1_vega/ri5cy/driver/drv_gpio.c
index ab0822382acb1df99d2762d2baf7b5a70b0ab637..30285026f7cf4cdedf5ab071dbdd512b4466fb56 100644
--- a/bsp/rv32m1_vega/ri5cy/driver/drv_gpio.c
+++ b/bsp/rv32m1_vega/ri5cy/driver/drv_gpio.c
@@ -410,7 +410,7 @@ static rt_err_t vega_pin_detach_irq(struct rt_device *device, rt_int32_t pin)
     
     if(pin_map == RT_NULL || irq_map == RT_NULL) 
     {
-        return RT_ENOSYS;
+        return -RT_ENOSYS;
     }
 
     if(irq_map->enable == PIN_IRQ_DISABLE)
diff --git a/bsp/synwit/swm320/drivers/drv_gpio.c b/bsp/synwit/swm320/drivers/drv_gpio.c
index 0c040b5aa4e9e7b6743d11ae4084fee175074397..e4a5729e1e87cd1bde245804a6fe8a9da66d00c7 100644
--- a/bsp/synwit/swm320/drivers/drv_gpio.c
+++ b/bsp/synwit/swm320/drivers/drv_gpio.c
@@ -384,7 +384,7 @@ static rt_err_t swm_pin_irq_enable(struct rt_device *device,
     gpio_obj = _pin2struct(pin);
     if (gpio_obj == RT_NULL)
     {
-        return RT_ENOSYS;
+        return -RT_ENOSYS;
     }
 
     if (enabled == PIN_IRQ_ENABLE)
diff --git a/bsp/synwit/swm341/drivers/drv_gpio.c b/bsp/synwit/swm341/drivers/drv_gpio.c
index d38a80eede55b775e8e213d2ad0026c6be6ab3be..79e75621def3a7d9c22b5287c3d1ccccc28d6faa 100644
--- a/bsp/synwit/swm341/drivers/drv_gpio.c
+++ b/bsp/synwit/swm341/drivers/drv_gpio.c
@@ -406,7 +406,7 @@ static rt_err_t swm_pin_irq_enable(struct rt_device *device,
     gpio_obj = _pin2struct(pin);
     if (gpio_obj == RT_NULL)
     {
-        return RT_ENOSYS;
+        return -RT_ENOSYS;
     }
 
     if (enabled == PIN_IRQ_ENABLE)
diff --git a/bsp/tkm32F499/drivers/drv_gpio.c b/bsp/tkm32F499/drivers/drv_gpio.c
index 2fe9418d72aea4487c13ed533af88a93683eb0ff..671582d9c185f7d99fe23e8be458b62d34a3de4f 100644
--- a/bsp/tkm32F499/drivers/drv_gpio.c
+++ b/bsp/tkm32F499/drivers/drv_gpio.c
@@ -339,12 +339,12 @@ rt_err_t tkm32_pin_detach_irq(struct rt_device *device, rt_int32_t pin)
     index = get_pin(pin);
     if (index == RT_NULL)
     {
-        return RT_ENOSYS;
+        return -RT_ENOSYS;
     }
     irqindex = bit2bitno(index->pin);
     if (irqindex < 0 || irqindex >= ITEM_NUM(tkm32_pin_irq_map))
     {
-        return RT_ENOSYS;
+        return -RT_ENOSYS;
     }
 
     level = rt_hw_interrupt_disable();
diff --git a/bsp/w60x/drivers/drv_pin.c b/bsp/w60x/drivers/drv_pin.c
index 7dae2e26dd4a9b1d10a88943d916bbd2ddcd887f..d9cf5e32cad976966ed48e73d345cc789c20e84d 100644
--- a/bsp/w60x/drivers/drv_pin.c
+++ b/bsp/w60x/drivers/drv_pin.c
@@ -78,7 +78,7 @@ static rt_err_t wm_pin_attach_irq(struct rt_device *device, rt_int32_t pin,
     gpio_pin = wm_get_pin(pin);
     if (gpio_pin < 0)
     {
-        return RT_ENOSYS;
+        return -RT_ENOSYS;
     }
 
     level = rt_hw_interrupt_disable();
@@ -102,7 +102,7 @@ static rt_err_t wm_pin_attach_irq(struct rt_device *device, rt_int32_t pin,
         break;
     default:
         rt_hw_interrupt_enable(level);
-        return RT_ENOSYS;
+        return -RT_ENOSYS;
     }
 
     tls_gpio_isr_register((enum tls_io_name)gpio_pin, hdr, args);
@@ -123,7 +123,7 @@ static rt_err_t wm_pin_irq_enable(struct rt_device *device, rt_base_t pin, rt_ui
     gpio_pin = wm_get_pin(pin);
     if (gpio_pin < 0)
     {
-        return RT_ENOSYS;
+        return -RT_ENOSYS;
     }
     level = rt_hw_interrupt_disable();
     if (enabled == PIN_IRQ_ENABLE)
@@ -142,7 +142,7 @@ static rt_err_t wm_pin_irq_enable(struct rt_device *device, rt_base_t pin, rt_ui
     else
     {
         rt_hw_interrupt_enable(level);
-        return RT_ENOSYS;
+        return -RT_ENOSYS;
     }
 }
 
diff --git a/bsp/wch/arm/Libraries/ch32_drivers/drv_hwtimer_ch32f10x.c b/bsp/wch/arm/Libraries/ch32_drivers/drv_hwtimer_ch32f10x.c
index ab73bf83a95f016e6c45ab9d445c24d4edf7c2d4..13ffe679d52c22336b5034818989e2a7c4acb0f5 100644
--- a/bsp/wch/arm/Libraries/ch32_drivers/drv_hwtimer_ch32f10x.c
+++ b/bsp/wch/arm/Libraries/ch32_drivers/drv_hwtimer_ch32f10x.c
@@ -216,7 +216,7 @@ static rt_err_t ch32f1_hwtimer_control(struct rt_hwtimer_device *device, rt_uint
     break;
 
     default:
-        result = RT_ENOSYS;
+        result = -RT_ENOSYS;
         break;
     }
 
diff --git a/bsp/wch/arm/Libraries/ch32_drivers/drv_hwtimer_ch32f20x.c b/bsp/wch/arm/Libraries/ch32_drivers/drv_hwtimer_ch32f20x.c
index 1631ee95d0ce7eaa84204dda0086cb0d97ed9faa..5bb45e7b363cf5bfeaadf77b5966dc93ca938d25 100644
--- a/bsp/wch/arm/Libraries/ch32_drivers/drv_hwtimer_ch32f20x.c
+++ b/bsp/wch/arm/Libraries/ch32_drivers/drv_hwtimer_ch32f20x.c
@@ -264,7 +264,7 @@ static rt_err_t ch32f2_hwtimer_control(struct rt_hwtimer_device *device, rt_uint
     break;
 
     default:
-        result = RT_ENOSYS;
+        result = -RT_ENOSYS;
         break;
     }
 
diff --git a/bsp/yichip/yc3121-pos/drivers/drv_gpio.c b/bsp/yichip/yc3121-pos/drivers/drv_gpio.c
index 22c3b8fe29b2955b1204634175757d7be3a82316..6cd0e4fa93026b952faee183047aef5defab0b75 100644
--- a/bsp/yichip/yc3121-pos/drivers/drv_gpio.c
+++ b/bsp/yichip/yc3121-pos/drivers/drv_gpio.c
@@ -224,7 +224,7 @@ static rt_err_t yc_pin_irq_enable(struct rt_device *device,
     }
     else
     {
-        return RT_ENOSYS;
+        return -RT_ENOSYS;
     }
     return RT_EOK;
 }
diff --git a/libcpu/aarch64/common/mmu.c b/libcpu/aarch64/common/mmu.c
index 83073a63147bac3b944fe5335d32c7603eb0f29b..1e94fdca97f7516d9be473def0e2b8049d359790 100644
--- a/libcpu/aarch64/common/mmu.c
+++ b/libcpu/aarch64/common/mmu.c
@@ -613,7 +613,7 @@ static int _noncache(uintptr_t *pte)
     else
     {
         // do not support other type to be noncache
-        err = RT_ENOSYS;
+        err = -RT_ENOSYS;
     }
     return err;
 }