diff --git a/bsp/at32/libraries/rt_drivers/drv_qspi.c b/bsp/at32/libraries/rt_drivers/drv_qspi.c
index c7b59bef1c39ce12b846e154297495076bd17164..144e20e17da5fb138699b9cd74d9347740d80fcf 100644
--- a/bsp/at32/libraries/rt_drivers/drv_qspi.c
+++ b/bsp/at32/libraries/rt_drivers/drv_qspi.c
@@ -444,14 +444,14 @@ rt_err_t at32_qspi_bus_attach_device(const char *bus_name, const char *device_na
     if (qspi_device == RT_NULL)
     {
         LOG_E("no memory, qspi bus attach device failed!");
-        result = RT_ENOMEM;
+        result = -RT_ENOMEM;
         goto __exit;
     }
     cs_pin = (struct at32_hw_spi_cs *)rt_malloc(sizeof(struct at32_hw_spi_cs));
     if (qspi_device == RT_NULL)
     {
         LOG_E("no memory, qspi bus attach device failed!");
-        result = RT_ENOMEM;
+        result = -RT_ENOMEM;
         goto __exit;
     }
 
diff --git a/bsp/ft2004/drivers/drv_qspi.c b/bsp/ft2004/drivers/drv_qspi.c
index 3adc399f373d0dea388eafcb10f1390fe5a4278f..9926f7a59aa4be2cd9e371d469cf94ef3c8d292c 100644
--- a/bsp/ft2004/drivers/drv_qspi.c
+++ b/bsp/ft2004/drivers/drv_qspi.c
@@ -288,7 +288,7 @@ rt_err_t ft2004_qspi_bus_attach_device(const char *bus_name, const char *device_
     if (qspi_device == RT_NULL)
     {
         LOG_E("no memory, qspi bus attach device failed!");
-        result = RT_ENOMEM;
+        result = -RT_ENOMEM;
         goto __exit;
     }
 
diff --git a/bsp/ft2004/drivers/drv_sdctrl.c b/bsp/ft2004/drivers/drv_sdctrl.c
index a43a53a2c09aa9147d1d6e0603b019ce700a02ee..a1e6740046e77488838d43ba753fc53b2a6fff79 100644
--- a/bsp/ft2004/drivers/drv_sdctrl.c
+++ b/bsp/ft2004/drivers/drv_sdctrl.c
@@ -555,7 +555,7 @@ static rt_err_t rthw_sdctrl_create(ft_sdctrl_class_t *class_p)
     if (host == RT_NULL)
     {
         LOG_E("L:%d F:%s mmcsd alloc host fail");
-        return RT_ENOMEM;
+        return -RT_ENOMEM;
     }
 
     class_p->ft_sdctrl.config = *(FSdCtrl_Config_t *)FSdCtrl_LookupConfig(0);
diff --git a/bsp/loongson/ls1cdev/drivers/touch.c b/bsp/loongson/ls1cdev/drivers/touch.c
index 31076be5eda66c4d6497a46c9b1065f58043c599..b5be15c96284cbe07264461385f2d4ccb162a27b 100644
--- a/bsp/loongson/ls1cdev/drivers/touch.c
+++ b/bsp/loongson/ls1cdev/drivers/touch.c
@@ -561,7 +561,7 @@ rt_err_t rtgui_touch_hw_init(const char * spi_device_name)
       }
 
     touch = (struct rtgui_touch_device*)rt_malloc (sizeof(struct rtgui_touch_device));
-    if (touch == RT_NULL) return RT_ENOMEM; /* no memory yet */
+    if (touch == RT_NULL) return -RT_ENOMEM; /* no memory yet */
 
     /* clear device structure */
     rt_memset(&(touch->parent), 0, sizeof(struct rt_device));
diff --git a/bsp/mini4020/drivers/sdcard.c b/bsp/mini4020/drivers/sdcard.c
index 8d15a0035f9fe8228a3b9d2570ca96ada69988f3..bb73a79d055ce1806c067a07adff1fbde2af20e4 100644
--- a/bsp/mini4020/drivers/sdcard.c
+++ b/bsp/mini4020/drivers/sdcard.c
@@ -662,7 +662,7 @@ rt_err_t rt_hw_sdcard_init()
     if (ptr_sddev == RT_NULL)
     {
         EOUT("Failed to allocate sdcard device structure\n");
-        return RT_ENOMEM;
+        return -RT_ENOMEM;
     }
 
     /*sdcard intialize*/
@@ -689,7 +689,7 @@ rt_err_t rt_hw_sdcard_init()
     if (ptr_sddev->part == RT_NULL)
     {
         EOUT("allocate partition failed\n");
-        err =  RT_ENOMEM;
+        err =  -RT_ENOMEM;
         goto FAIL2;
     }
 
@@ -698,7 +698,7 @@ rt_err_t rt_hw_sdcard_init()
     if (ptr_sddev->device == RT_NULL)
     {
         EOUT("allocate device failed\n");
-        err = RT_ENOMEM;
+        err = -RT_ENOMEM;
         goto FAIL1;
     }
 
diff --git a/bsp/nrf5x/libraries/drivers/drv_gpio.c b/bsp/nrf5x/libraries/drivers/drv_gpio.c
index 747c63121008a6f894535925a0bca092fb729f92..0992bfdb28405a594cfc19ed821778ee0ff6ac19 100644
--- a/bsp/nrf5x/libraries/drivers/drv_gpio.c
+++ b/bsp/nrf5x/libraries/drivers/drv_gpio.c
@@ -225,7 +225,7 @@ static rt_err_t nrf5x_pin_attach_irq(struct rt_device *device, rt_int32_t pin,
     }
     if(irqindex == -1)
     {
-        return RT_ENOMEM;
+        return -RT_ENOMEM;
     }
 
     level = rt_hw_interrupt_disable();
@@ -264,7 +264,7 @@ static rt_err_t nrf5x_pin_attach_irq(struct rt_device *device, rt_int32_t pin,
         case NRFX_SUCCESS:
             return RT_EOK;
         case NRFX_ERROR_NO_MEM:
-            return RT_ENOMEM;
+            return -RT_ENOMEM;
         default:
             return -RT_ERROR;
     }
diff --git a/bsp/stm32/libraries/HAL_Drivers/drv_qspi.c b/bsp/stm32/libraries/HAL_Drivers/drv_qspi.c
index a5b8eafa13e73fc91f369a2a2b388ca1c6b62f7c..9b1b29cd97ac405c6b5ed9043726eeec72ce79ff 100644
--- a/bsp/stm32/libraries/HAL_Drivers/drv_qspi.c
+++ b/bsp/stm32/libraries/HAL_Drivers/drv_qspi.c
@@ -319,7 +319,7 @@ rt_err_t rt_hw_qspi_device_attach(const char *bus_name, const char *device_name,
     if (qspi_device == RT_NULL)
     {
         LOG_E("no memory, qspi bus attach device failed!");
-        result = RT_ENOMEM;
+        result = -RT_ENOMEM;
         goto __exit;
     }
 
diff --git a/components/drivers/ipc/dataqueue.c b/components/drivers/ipc/dataqueue.c
index 03e685a6bf5cbb33b19b64af4b6b9bd6db00cc8b..2222539cdf73921172a34274a3d4e9bc1307a8f3 100644
--- a/components/drivers/ipc/dataqueue.c
+++ b/components/drivers/ipc/dataqueue.c
@@ -36,7 +36,7 @@ struct rt_data_item
  * @param    evt_notify is the notification callback function.
  *
  * @return   Return the operation status. When the return value is RT_EOK, the initialization is successful.
- *           When the return value is RT_ENOMEM, it means insufficient memory allocation failed.
+ *           When the return value is -RT_ENOMEM, it means insufficient memory allocation failed.
  */
 rt_err_t
 rt_data_queue_init(struct rt_data_queue *queue,
diff --git a/components/drivers/usb/usbhost/core/usbhost_core.c b/components/drivers/usb/usbhost/core/usbhost_core.c
index 6f570cc784ae5ca522bac5be728f71c9d406c600..cef16004338246de91b3fe1f94e8603dc1836558 100644
--- a/components/drivers/usb/usbhost/core/usbhost_core.c
+++ b/components/drivers/usb/usbhost/core/usbhost_core.c
@@ -164,7 +164,7 @@ rt_err_t rt_usbh_attatch_instance(uinst_t device)
     device->cfg_desc = (ucfg_desc_t)rt_malloc(cfg_desc.wTotalLength);
     if(device->cfg_desc == RT_NULL)
     {
-        return RT_ENOMEM;
+        return -RT_ENOMEM;
     }
     rt_memset(device->cfg_desc, 0, cfg_desc.wTotalLength);
 
@@ -225,7 +225,7 @@ rt_err_t rt_usbh_attatch_instance(uinst_t device)
             device->intf[i] = (struct uhintf*)rt_malloc(sizeof(struct uhintf));
             if(device->intf[i] == RT_NULL)
             {
-                return RT_ENOMEM;
+                return -RT_ENOMEM;
             }
             device->intf[i]->drv = drv;
             device->intf[i]->device = device;
diff --git a/components/utilities/ymodem/ry_sy.c b/components/utilities/ymodem/ry_sy.c
index c6117a53ef6c04ee2dba561d4421bfe1cfc3b44c..557d4bcdabbf81e7e2773541c7809d6c0e05411c 100644
--- a/components/utilities/ymodem/ry_sy.c
+++ b/components/utilities/ymodem/ry_sy.c
@@ -199,7 +199,7 @@ static rt_err_t rym_download_file(rt_device_t idev,const char *file_path)
     if (!ctx)
     {
         rt_kprintf("rt_malloc failed\n");
-        return RT_ENOMEM;
+        return -RT_ENOMEM;
     }
     ctx->fd = -1;
     rt_strncpy(ctx->fpath, file_path, DFS_PATH_MAX);
@@ -219,7 +219,7 @@ static rt_err_t rym_upload_file(rt_device_t idev, const char *file_path)
     if (!ctx)
     {
         rt_kprintf("rt_malloc failed\n");
-        return RT_ENOMEM;
+        return -RT_ENOMEM;
     }
     ctx->fd = -1;
     rt_strncpy(ctx->fpath, file_path, DFS_PATH_MAX);