diff --git a/components/drivers/core/device.c b/components/drivers/core/device.c
index 47482b50d3..c588789fec 100644
--- a/components/drivers/core/device.c
+++ b/components/drivers/core/device.c
@@ -16,6 +16,15 @@
  */
 
 #include <rtthread.h>
+
+#define DBG_TAG           "kernel.device"
+#ifdef RT_DEBUG_DEVICE
+#define DBG_LVL           DBG_LOG
+#else
+#define DBG_LVL           DBG_WARNING
+#endif /* defined (RT_DEBUG_DEVICE) */
+#include <rtdbg.h>
+
 #ifdef RT_USING_POSIX_DEVIO
 #include <rtdevice.h> /* for wqueue_init */
 #endif /* RT_USING_POSIX_DEVIO */
@@ -178,8 +187,8 @@ rt_err_t rt_device_init(rt_device_t dev)
             result = device_init(dev);
             if (result != RT_EOK)
             {
-                RT_DEBUG_LOG(RT_DEBUG_DEVICE, ("To initialize device:%s failed. The error code is %d\n",
-                           dev->parent.name, result));
+                LOG_E("To initialize device:%s failed. The error code is %d",
+                      dev->parent.name, result);
             }
             else
             {
@@ -216,8 +225,8 @@ rt_err_t rt_device_open(rt_device_t dev, rt_uint16_t oflag)
             result = device_init(dev);
             if (result != RT_EOK)
             {
-                RT_DEBUG_LOG(RT_DEBUG_DEVICE, ("To initialize device:%s failed. The error code is %d\n",
-                           dev->parent.name, result));
+                LOG_E("To initialize device:%s failed. The error code is %d",
+                      dev->parent.name, result);
 
                 return result;
             }
diff --git a/components/drivers/usb/usbdevice/class/cdc_vcom.c b/components/drivers/usb/usbdevice/class/cdc_vcom.c
index 416e901bcf..0d65b0cdc5 100644
--- a/components/drivers/usb/usbdevice/class/cdc_vcom.c
+++ b/components/drivers/usb/usbdevice/class/cdc_vcom.c
@@ -20,6 +20,10 @@
 
 #ifdef RT_USB_DEVICE_CDC
 
+#define DBG_TAG           "usbdevice_cdc"
+#define DBG_LVL           DBG_INFO
+#include <rtdbg.h>
+
 #define VCOM_INTF_STR_INDEX 5
 #ifdef RT_VCOM_TX_TIMEOUT
 #define VCOM_TX_TIMEOUT      RT_VCOM_TX_TIMEOUT
@@ -287,7 +291,7 @@ static rt_err_t _ep_in_handler(ufunction_t func, rt_size_t size)
 
     data = (struct vcom*)func->user_data;
     request_size = data->ep_in->request.size;
-    RT_DEBUG_LOG(RT_DEBUG_USB, ("_ep_in_handler %d\n", request_size));
+    LOG_D("_ep_in_handler %d", request_size);
     if ((request_size != 0) && ((request_size % EP_MAXPACKET(data->ep_in)) == 0))
     {
         /* don't have data right now. Send a zero-length-packet to
@@ -325,7 +329,7 @@ static rt_err_t _ep_out_handler(ufunction_t func, rt_size_t size)
 
     RT_ASSERT(func != RT_NULL);
 
-    RT_DEBUG_LOG(RT_DEBUG_USB, ("_ep_out_handler %d\n", size));
+    LOG_D("_ep_out_handler %d", size);
 
     data = (struct vcom*)func->user_data;
     /* ensure serial is active */
@@ -362,7 +366,7 @@ static rt_err_t _ep_cmd_handler(ufunction_t func, rt_size_t size)
 {
     RT_ASSERT(func != RT_NULL);
 
-    RT_DEBUG_LOG(RT_DEBUG_USB, ("_ep_cmd_handler\n"));
+    LOG_D("_ep_cmd_handler");
 
     return RT_EOK;
 }
@@ -383,7 +387,7 @@ static rt_err_t _cdc_get_line_coding(udevice_t device, ureq_t setup)
     RT_ASSERT(device != RT_NULL);
     RT_ASSERT(setup != RT_NULL);
 
-    RT_DEBUG_LOG(RT_DEBUG_USB, ("_cdc_get_line_coding\n"));
+    LOG_D("_cdc_get_line_coding");
 
     data.dwDTERate = 115200;
     data.bCharFormat = 0;
@@ -398,7 +402,7 @@ static rt_err_t _cdc_get_line_coding(udevice_t device, ureq_t setup)
 
 static rt_err_t _cdc_set_line_coding_callback(udevice_t device, rt_size_t size)
 {
-    RT_DEBUG_LOG(RT_DEBUG_USB, ("_cdc_set_line_coding_callback\n"));
+    LOG_D("_cdc_set_line_coding_callback");
 
     dcd_ep0_send_status(device->dcd);
 
@@ -418,7 +422,7 @@ static rt_err_t _cdc_set_line_coding(udevice_t device, ureq_t setup)
     RT_ASSERT(device != RT_NULL);
     RT_ASSERT(setup != RT_NULL);
 
-    RT_DEBUG_LOG(RT_DEBUG_USB, ("_cdc_set_line_coding\n"));
+    LOG_D("_cdc_set_line_coding");
 
     rt_usbd_ep0_read(device, (void*)&line_coding, sizeof(struct ucdc_line_coding),
         _cdc_set_line_coding_callback);
@@ -464,7 +468,7 @@ static rt_err_t _interface_handler(ufunction_t func, ureq_t setup)
         break;
     case CDC_SET_CONTROL_LINE_STATE:
         data->connected = (setup->wValue & 0x01) > 0?RT_TRUE:RT_FALSE;
-        RT_DEBUG_LOG(RT_DEBUG_USB, ("vcom state:%d \n", data->connected));
+        LOG_D("vcom state:%d ", data->connected);
         dcd_ep0_send_status(func->device->dcd);
         break;
     case CDC_SEND_BREAK:
@@ -490,7 +494,7 @@ static rt_err_t _function_enable(ufunction_t func)
 
     RT_ASSERT(func != RT_NULL);
 
-    RT_DEBUG_LOG(RT_DEBUG_USB, ("cdc function enable\n"));
+    LOG_D("cdc function enable");
 
     _vcom_reset_state(func);
 
@@ -524,7 +528,7 @@ static rt_err_t _function_disable(ufunction_t func)
 
     RT_ASSERT(func != RT_NULL);
 
-    RT_DEBUG_LOG(RT_DEBUG_USB, ("cdc function disable\n"));
+    LOG_D("cdc function disable");
 
     _vcom_reset_state(func);
 
@@ -765,7 +769,7 @@ static rt_ssize_t _vcom_tx(struct rt_serial_device *serial, rt_uint8_t *buf, rt_
     RT_ASSERT(serial != RT_NULL);
     RT_ASSERT(buf != RT_NULL);
 
-    RT_DEBUG_LOG(RT_DEBUG_USB, ("%s\n",__func__));
+    LOG_D("%s",__func__);
 
     if (data->connected)
     {
@@ -917,7 +921,7 @@ static void vcom_tx_thread_entry(void* parameter)
 
             if (rt_completion_wait(&data->wait, VCOM_TX_TIMEOUT) != RT_EOK)
             {
-                RT_DEBUG_LOG(RT_DEBUG_USB, ("vcom tx timeout\n"));
+                LOG_D("vcom tx timeout");
             }
             if(data->serial.parent.open_flag &
 #ifdef RT_USING_SERIAL_V1
diff --git a/components/drivers/usb/usbdevice/class/hid.c b/components/drivers/usb/usbdevice/class/hid.c
index 59816df4a9..b0c7e63e00 100644
--- a/components/drivers/usb/usbdevice/class/hid.c
+++ b/components/drivers/usb/usbdevice/class/hid.c
@@ -17,6 +17,11 @@
 #include "hid.h"
 
 #ifdef RT_USB_DEVICE_HID
+
+#define DBG_TAG           "usbdevice.hid"
+#define DBG_LVL           DBG_INFO
+#include <rtdbg.h>
+
 #define HID_INTF_STR_INDEX 7
 struct hid_s
 {
@@ -431,7 +436,7 @@ static rt_err_t _ep_in_handler(ufunction_t func, rt_size_t size)
 
 static rt_err_t _hid_set_report_callback(udevice_t device, rt_size_t size)
 {
-    RT_DEBUG_LOG(RT_DEBUG_USB, ("_hid_set_report_callback\n"));
+    LOG_D("_hid_set_report_callback");
 
     if(size != 0)
     {
@@ -525,7 +530,7 @@ static rt_err_t _function_enable(ufunction_t func)
     RT_ASSERT(func->device != RT_NULL);
     data = (struct hid_s *) func->user_data;
 
-    RT_DEBUG_LOG(RT_DEBUG_USB, ("hid function enable\n"));
+    LOG_D("hid function enable");
 //
 //    _vcom_reset_state(func);
 //
@@ -557,7 +562,7 @@ static rt_err_t _function_disable(ufunction_t func)
     RT_ASSERT(func->device != RT_NULL);
     data = (struct hid_s *) func->user_data;
 
-    RT_DEBUG_LOG(RT_DEBUG_USB, ("hid function disable\n"));
+    LOG_D("hid function disable");
 
     if(data->ep_out->buffer != RT_NULL)
     {
diff --git a/components/drivers/usb/usbdevice/class/mstorage.c b/components/drivers/usb/usbdevice/class/mstorage.c
index 3e7d046166..aeb3ccd510 100644
--- a/components/drivers/usb/usbdevice/class/mstorage.c
+++ b/components/drivers/usb/usbdevice/class/mstorage.c
@@ -21,6 +21,10 @@
 #ifdef RT_USB_DEVICE_MSTORAGE
 #define MSTRORAGE_INTF_STR_INDEX 11
 
+#define DBG_TAG           "usbdevice.mstorage"
+#define DBG_LVL           DBG_INFO
+#include <rtdbg.h>
+
 enum STAT
 {
     STAT_CBW,
@@ -202,7 +206,7 @@ static void _send_status(ufunction_t func)
 
     RT_ASSERT(func != RT_NULL);
 
-    RT_DEBUG_LOG(RT_DEBUG_USB, ("_send_status\n"));
+    LOG_D("_send_status");
 
     data = (struct mstorage*)func->user_data;
     data->ep_in->request.buffer = (rt_uint8_t*)&data->csw_response;
@@ -219,7 +223,7 @@ static rt_ssize_t _test_unit_ready(ufunction_t func, ustorage_cbw_t cbw)
     RT_ASSERT(func != RT_NULL);
     RT_ASSERT(func->device != RT_NULL);
 
-    RT_DEBUG_LOG(RT_DEBUG_USB, ("_test_unit_ready\n"));
+    LOG_D("_test_unit_ready");
 
     data = (struct mstorage*)func->user_data;
     data->csw_response.status = 0;
@@ -234,7 +238,7 @@ static rt_ssize_t _allow_removal(ufunction_t func, ustorage_cbw_t cbw)
     RT_ASSERT(func != RT_NULL);
     RT_ASSERT(func->device != RT_NULL);
 
-    RT_DEBUG_LOG(RT_DEBUG_USB, ("_allow_removal\n"));
+    LOG_D("_allow_removal");
 
     data = (struct mstorage*)func->user_data;
     data->csw_response.status = 0;
@@ -260,7 +264,7 @@ static rt_ssize_t _inquiry_cmd(ufunction_t func, ustorage_cbw_t cbw)
     RT_ASSERT(func->device != RT_NULL);
     RT_ASSERT(cbw != RT_NULL);
 
-    RT_DEBUG_LOG(RT_DEBUG_USB, ("_inquiry_cmd\n"));
+    LOG_D("_inquiry_cmd");
 
     data = (struct mstorage*)func->user_data;
     buf = data->ep_in->buffer;
@@ -299,7 +303,7 @@ static rt_ssize_t _request_sense(ufunction_t func, ustorage_cbw_t cbw)
     RT_ASSERT(func->device != RT_NULL);
     RT_ASSERT(cbw != RT_NULL);
 
-    RT_DEBUG_LOG(RT_DEBUG_USB, ("_request_sense\n"));
+    LOG_D("_request_sense");
 
     data = (struct mstorage*)func->user_data;
     buf = (struct request_sense_data *)data->ep_in->buffer;
@@ -342,7 +346,7 @@ static rt_ssize_t _mode_sense_6(ufunction_t func, ustorage_cbw_t cbw)
     RT_ASSERT(func->device != RT_NULL);
     RT_ASSERT(cbw != RT_NULL);
 
-    RT_DEBUG_LOG(RT_DEBUG_USB, ("_mode_sense_6\n"));
+    LOG_D("_mode_sense_6");
 
     data = (struct mstorage*)func->user_data;
     buf = data->ep_in->buffer;
@@ -379,7 +383,7 @@ static rt_ssize_t _read_capacities(ufunction_t func, ustorage_cbw_t cbw)
     RT_ASSERT(func->device != RT_NULL);
     RT_ASSERT(cbw != RT_NULL);
 
-    RT_DEBUG_LOG(RT_DEBUG_USB, ("_read_capacities\n"));
+    LOG_D("_read_capacities");
 
     data = (struct mstorage*)func->user_data;
     buf = data->ep_in->buffer;
@@ -425,7 +429,7 @@ static rt_ssize_t _read_capacity(ufunction_t func, ustorage_cbw_t cbw)
     RT_ASSERT(func->device != RT_NULL);
     RT_ASSERT(cbw != RT_NULL);
 
-    RT_DEBUG_LOG(RT_DEBUG_USB, ("_read_capacity\n"));
+    LOG_D("_read_capacity");
 
     data = (struct mstorage*)func->user_data;
     buf = data->ep_in->buffer;
@@ -515,8 +519,8 @@ static rt_ssize_t _write_10(ufunction_t func, ustorage_cbw_t cbw)
     data->csw_response.data_reside = cbw->xfer_len;
     data->size = data->count * data->geometry.bytes_per_sector;
 
-    RT_DEBUG_LOG(RT_DEBUG_USB, ("_write_10 count 0x%x block 0x%x 0x%x\n",
-                                data->count, data->block, data->geometry.sector_count));
+    LOG_D("_write_10 count 0x%x block 0x%x 0x%x",
+                                data->count, data->block, data->geometry.sector_count);
 
     data->csw_response.data_reside = data->cb_data_size;
 
@@ -543,7 +547,7 @@ static rt_ssize_t _verify_10(ufunction_t func, ustorage_cbw_t cbw)
     RT_ASSERT(func != RT_NULL);
     RT_ASSERT(func->device != RT_NULL);
 
-    RT_DEBUG_LOG(RT_DEBUG_USB, ("_verify_10\n"));
+    LOG_D("_verify_10");
 
     data = (struct mstorage*)func->user_data;
     data->csw_response.status = 0;
@@ -559,7 +563,7 @@ static rt_ssize_t _start_stop(ufunction_t func,
     RT_ASSERT(func != RT_NULL);
     RT_ASSERT(func->device != RT_NULL);
 
-    RT_DEBUG_LOG(RT_DEBUG_USB, ("_start_stop\n"));
+    LOG_D("_start_stop");
 
     data = (struct mstorage*)func->user_data;
     data->csw_response.status = 0;
@@ -574,7 +578,7 @@ static rt_err_t _ep_in_handler(ufunction_t func, rt_size_t size)
     RT_ASSERT(func != RT_NULL);
     RT_ASSERT(func->device != RT_NULL);
 
-    RT_DEBUG_LOG(RT_DEBUG_USB, ("_ep_in_handler\n"));
+    LOG_D("_ep_in_handler");
 
     data = (struct mstorage*)func->user_data;
 
@@ -588,7 +592,7 @@ static rt_err_t _ep_in_handler(ufunction_t func, rt_size_t size)
         }
         else
         {
-            RT_DEBUG_LOG(RT_DEBUG_USB, ("return to cbw status\n"));
+            LOG_D("return to cbw status");
             data->ep_out->request.buffer = data->ep_out->buffer;
             data->ep_out->request.size = SIZEOF_CBW;
             data->ep_out->request.req_type = UIO_REQUEST_READ_FULL;
@@ -606,8 +610,8 @@ static rt_err_t _ep_in_handler(ufunction_t func, rt_size_t size)
             data->csw_response.data_reside -= data->ep_in->request.size;
             if(data->csw_response.data_reside != 0)
             {
-                RT_DEBUG_LOG(RT_DEBUG_USB, ("data_reside %d, request %d\n",
-                    data->csw_response.data_reside, data->ep_in->request.size));
+                LOG_D("data_reside %d, request %d",
+                    data->csw_response.data_reside, data->ep_in->request.size);
                 if(data->processing->dir == DIR_OUT)
                 {
                     rt_usbd_ep_set_stall(func->device, data->ep_out);
@@ -657,13 +661,13 @@ static void cbw_dump(struct ustorage_cbw* cbw)
 {
     RT_ASSERT(cbw != RT_NULL);
 
-    RT_DEBUG_LOG(RT_DEBUG_USB, ("signature 0x%x\n", cbw->signature));
-    RT_DEBUG_LOG(RT_DEBUG_USB, ("tag 0x%x\n", cbw->tag));
-    RT_DEBUG_LOG(RT_DEBUG_USB, ("xfer_len 0x%x\n", cbw->xfer_len));
-    RT_DEBUG_LOG(RT_DEBUG_USB, ("dflags 0x%x\n", cbw->dflags));
-    RT_DEBUG_LOG(RT_DEBUG_USB, ("lun 0x%x\n", cbw->lun));
-    RT_DEBUG_LOG(RT_DEBUG_USB, ("cb_len 0x%x\n", cbw->cb_len));
-    RT_DEBUG_LOG(RT_DEBUG_USB, ("cb[0] 0x%x\n", cbw->cb[0]));
+    LOG_D("signature 0x%x", cbw->signature);
+    LOG_D("tag 0x%x", cbw->tag);
+    LOG_D("xfer_len 0x%x", cbw->xfer_len);
+    LOG_D("dflags 0x%x", cbw->dflags);
+    LOG_D("lun 0x%x", cbw->lun);
+    LOG_D("cb_len 0x%x", cbw->cb_len);
+    LOG_D("cb[0] 0x%x", cbw->cb[0]);
 }
 #endif
 
@@ -827,7 +831,7 @@ static rt_err_t _ep_out_handler(ufunction_t func, rt_size_t size)
     RT_ASSERT(func != RT_NULL);
     RT_ASSERT(func->device != RT_NULL);
 
-    RT_DEBUG_LOG(RT_DEBUG_USB, ("_ep_out_handler %d\n", size));
+    LOG_D("_ep_out_handler %d", size);
 
     data = (struct mstorage*)func->user_data;
     cbw = (struct ustorage_cbw*)data->ep_out->buffer;
@@ -844,7 +848,7 @@ static rt_err_t _ep_out_handler(ufunction_t func, rt_size_t size)
         data->csw_response.data_reside = cbw->xfer_len;
         data->csw_response.status = 0;
 
-        RT_DEBUG_LOG(RT_DEBUG_USB, ("ep_out reside %d\n", data->csw_response.data_reside));
+        LOG_D("ep_out reside %d", data->csw_response.data_reside);
 
         cmd = _find_cbw_command(cbw->cb[0]);
         if(cmd == RT_NULL)
@@ -869,8 +873,8 @@ static rt_err_t _ep_out_handler(ufunction_t func, rt_size_t size)
     }
     else if(data->status == STAT_RECEIVE)
     {
-        RT_DEBUG_LOG(RT_DEBUG_USB, ("\nwrite size %d block 0x%x oount 0x%x\n",
-                                    size, data->block, data->size));
+        LOG_D("write size %d block 0x%x oount 0x%x",
+                                    size, data->block, data->size);
 
         data->size -= size;
         data->csw_response.data_reside -= size;
@@ -928,13 +932,13 @@ static rt_err_t _interface_handler(ufunction_t func, ureq_t setup)
     RT_ASSERT(func->device != RT_NULL);
     RT_ASSERT(setup != RT_NULL);
 
-    RT_DEBUG_LOG(RT_DEBUG_USB, ("mstorage_interface_handler\n"));
+    LOG_D("mstorage_interface_handler");
 
     switch(setup->bRequest)
     {
     case USBREQ_GET_MAX_LUN:
 
-        RT_DEBUG_LOG(RT_DEBUG_USB, ("USBREQ_GET_MAX_LUN\n"));
+        LOG_D("USBREQ_GET_MAX_LUN");
 
         if(setup->wValue || setup->wLength != 1)
         {
@@ -947,7 +951,7 @@ static rt_err_t _interface_handler(ufunction_t func, ureq_t setup)
         break;
     case USBREQ_MASS_STORAGE_RESET:
 
-        RT_DEBUG_LOG(RT_DEBUG_USB, ("USBREQ_MASS_STORAGE_RESET\n"));
+        LOG_D("USBREQ_MASS_STORAGE_RESET");
 
         if(setup->wValue || setup->wLength != 0)
         {
@@ -977,7 +981,7 @@ static rt_err_t _function_enable(ufunction_t func)
 {
     struct mstorage *data;
     RT_ASSERT(func != RT_NULL);
-    RT_DEBUG_LOG(RT_DEBUG_USB, ("Mass storage function enabled\n"));
+    LOG_D("Mass storage function enabled");
     data = (struct mstorage*)func->user_data;
 
     data->disk = rt_device_find(RT_USB_MSTORAGE_DISK_NAME);
@@ -1039,7 +1043,7 @@ static rt_err_t _function_disable(ufunction_t func)
     struct mstorage *data;
     RT_ASSERT(func != RT_NULL);
 
-    RT_DEBUG_LOG(RT_DEBUG_USB, ("Mass storage function disabled\n"));
+    LOG_D("Mass storage function disabled");
 
     data = (struct mstorage*)func->user_data;
     if(data->ep_in->buffer != RT_NULL)
diff --git a/components/drivers/usb/usbdevice/core/usbdevice_core.c b/components/drivers/usb/usbdevice/core/usbdevice_core.c
index b373150800..015473ffde 100644
--- a/components/drivers/usb/usbdevice/core/usbdevice_core.c
+++ b/components/drivers/usb/usbdevice/core/usbdevice_core.c
@@ -17,6 +17,10 @@
 #include "drivers/usb_common.h"
 #include "drivers/usb_device.h"
 
+#define DBG_TAG           "usbdevice.core"
+#define DBG_LVL           DBG_INFO
+#include <rtdbg.h>
+
 static rt_list_t device_list;
 
 static rt_ssize_t rt_usbd_ep_write(udevice_t device, uep_t ep, void *buffer, rt_size_t size);
@@ -40,7 +44,7 @@ static rt_err_t _get_device_descriptor(struct udevice* device, ureq_t setup)
     RT_ASSERT(device != RT_NULL);
     RT_ASSERT(setup != RT_NULL);
 
-    RT_DEBUG_LOG(RT_DEBUG_USB, ("_get_device_descriptor\n"));
+    LOG_D("_get_device_descriptor");
 
     /* device descriptor wLength should less than USB_DESC_LENGTH_DEVICE*/
     size = (setup->wLength > USB_DESC_LENGTH_DEVICE) ?
@@ -69,7 +73,7 @@ static rt_err_t _get_config_descriptor(struct udevice* device, ureq_t setup)
     RT_ASSERT(device != RT_NULL);
     RT_ASSERT(setup != RT_NULL);
 
-    RT_DEBUG_LOG(RT_DEBUG_USB, ("_get_config_descriptor\n"));
+    LOG_D("_get_config_descriptor");
 
     cfg_desc = &device->curr_cfg->cfg_desc;
     size = (setup->wLength > cfg_desc->wTotalLength) ?
@@ -99,7 +103,7 @@ static rt_err_t _get_string_descriptor(struct udevice* device, ureq_t setup)
     RT_ASSERT(device != RT_NULL);
     RT_ASSERT(setup != RT_NULL);
 
-    RT_DEBUG_LOG(RT_DEBUG_USB, ("_get_string_descriptor\n"));
+    LOG_D("_get_string_descriptor");
 
     str_desc.type = USB_DESC_TYPE_STRING;
     index = setup->wValue & 0xFF;
@@ -152,7 +156,7 @@ static rt_err_t _get_string_descriptor(struct udevice* device, ureq_t setup)
 
 static rt_err_t _get_qualifier_descriptor(struct udevice* device, ureq_t setup)
 {
-    RT_DEBUG_LOG(RT_DEBUG_USB, ("_get_qualifier_descriptor\n"));
+    LOG_D("_get_qualifier_descriptor");
 
     /* parameter check */
     RT_ASSERT(device != RT_NULL);
@@ -249,7 +253,7 @@ static rt_err_t _get_interface(struct udevice* device, ureq_t setup)
     RT_ASSERT(device != RT_NULL);
     RT_ASSERT(setup != RT_NULL);
 
-    RT_DEBUG_LOG(RT_DEBUG_USB, ("_get_interface\n"));
+    LOG_D("_get_interface");
 
     if (device->state != USB_STATE_CONFIGURED)
     {
@@ -292,7 +296,7 @@ static rt_err_t _set_interface(struct udevice* device, ureq_t setup)
     RT_ASSERT(device != RT_NULL);
     RT_ASSERT(setup != RT_NULL);
 
-    RT_DEBUG_LOG(RT_DEBUG_USB, ("_set_interface\n"));
+    LOG_D("_set_interface");
 
     if (device->state != USB_STATE_CONFIGURED)
     {
@@ -341,7 +345,7 @@ static rt_err_t _get_config(struct udevice* device, ureq_t setup)
     RT_ASSERT(setup != RT_NULL);
     RT_ASSERT(device->curr_cfg != RT_NULL);
 
-    RT_DEBUG_LOG(RT_DEBUG_USB, ("_get_config\n"));
+    LOG_D("_get_config");
 
     if (device->state == USB_STATE_CONFIGURED)
     {
@@ -378,7 +382,7 @@ static rt_err_t _set_config(struct udevice* device, ureq_t setup)
     RT_ASSERT(device != RT_NULL);
     RT_ASSERT(setup != RT_NULL);
 
-    RT_DEBUG_LOG(RT_DEBUG_USB, ("_set_config\n"));
+    LOG_D("_set_config");
 
     if (setup->wValue > device->dev_desc.bNumConfigurations)
     {
@@ -388,7 +392,7 @@ static rt_err_t _set_config(struct udevice* device, ureq_t setup)
 
     if (setup->wValue == 0)
     {
-        RT_DEBUG_LOG(RT_DEBUG_USB, ("address state\n"));
+        LOG_D("address state");
         device->state = USB_STATE_ADDRESS;
 
         goto _exit;
@@ -448,7 +452,7 @@ static rt_err_t _set_address(struct udevice* device, ureq_t setup)
     /* issue status stage */
     dcd_ep0_send_status(device->dcd);
 
-    RT_DEBUG_LOG(RT_DEBUG_USB, ("_set_address\n"));
+    LOG_D("_set_address");
 
     device->state = USB_STATE_ADDRESS;
 
@@ -474,7 +478,7 @@ static rt_err_t _request_interface(struct udevice* device, ureq_t setup)
     RT_ASSERT(device != RT_NULL);
     RT_ASSERT(setup != RT_NULL);
 
-    RT_DEBUG_LOG(RT_DEBUG_USB, ("_request_interface\n"));
+    LOG_D("_request_interface");
 
     intf = rt_usbd_find_interface(device, setup->wIndex & 0xFF, &func);
     if (intf != RT_NULL)
@@ -593,7 +597,7 @@ static rt_err_t _standard_request(struct udevice* device, ureq_t setup)
                 {
                     req = (uio_request_t)rt_list_entry(node, struct uio_request, list);
                     rt_usbd_io_request(device, ep, req);
-                    RT_DEBUG_LOG(RT_DEBUG_USB, ("fired a request\n"));
+                    LOG_D("fired a request");
                 }
 
                 rt_list_init(&ep->request_list);
@@ -739,14 +743,14 @@ static rt_err_t _vendor_request(udevice_t device, ureq_t setup)
 }
 static rt_err_t _dump_setup_packet(ureq_t setup)
 {
-    RT_DEBUG_LOG(RT_DEBUG_USB, ("[\n"));
-    RT_DEBUG_LOG(RT_DEBUG_USB, ("  setup_request : 0x%x\n",
-                                setup->request_type));
-    RT_DEBUG_LOG(RT_DEBUG_USB, ("  value         : 0x%x\n", setup->wValue));
-    RT_DEBUG_LOG(RT_DEBUG_USB, ("  length        : 0x%x\n", setup->wLength));
-    RT_DEBUG_LOG(RT_DEBUG_USB, ("  index         : 0x%x\n", setup->wIndex));
-    RT_DEBUG_LOG(RT_DEBUG_USB, ("  request       : 0x%x\n", setup->bRequest));
-    RT_DEBUG_LOG(RT_DEBUG_USB, ("]\n"));
+    LOG_D("[");
+    LOG_D("  setup_request : 0x%x",
+                                setup->request_type);
+    LOG_D("  value         : 0x%x", setup->wValue);
+    LOG_D("  length        : 0x%x", setup->wLength);
+    LOG_D("  index         : 0x%x", setup->wIndex);
+    LOG_D("  request       : 0x%x", setup->bRequest);
+    LOG_D("]");
 
     return RT_EOK;
 }
@@ -1010,7 +1014,7 @@ udevice_t rt_usbd_device_new(void)
 {
     udevice_t udevice;
 
-    RT_DEBUG_LOG(RT_DEBUG_USB, ("rt_usbd_device_new\n"));
+    LOG_D("rt_usbd_device_new");
 
     /* allocate memory for the object */
     udevice = (udevice_t)rt_malloc(sizeof(struct udevice));
@@ -1146,7 +1150,7 @@ uconfig_t rt_usbd_config_new(void)
 {
     uconfig_t cfg;
 
-    RT_DEBUG_LOG(RT_DEBUG_USB, ("rt_usbd_config_new\n"));
+    LOG_D("rt_usbd_config_new");
 
     /* allocate memory for the object */
     cfg = (uconfig_t)rt_malloc(sizeof(struct uconfig));
@@ -1182,7 +1186,7 @@ uintf_t rt_usbd_interface_new(udevice_t device, uintf_handler_t handler)
 {
     uintf_t intf;
 
-    RT_DEBUG_LOG(RT_DEBUG_USB, ("rt_usbd_interface_new\n"));
+    LOG_D("rt_usbd_interface_new");
 
     /* parameter check */
     RT_ASSERT(device != RT_NULL);
@@ -1217,7 +1221,7 @@ ualtsetting_t rt_usbd_altsetting_new(rt_size_t desc_size)
 {
     ualtsetting_t setting;
 
-    RT_DEBUG_LOG(RT_DEBUG_USB, ("rt_usbd_altsetting_new\n"));
+    LOG_D("rt_usbd_altsetting_new");
 
     /* parameter check */
     RT_ASSERT(desc_size > 0);
@@ -1281,7 +1285,7 @@ ufunction_t rt_usbd_function_new(udevice_t device, udev_desc_t dev_desc,
 {
     ufunction_t func;
 
-    RT_DEBUG_LOG(RT_DEBUG_USB, ("rt_usbd_function_new\n"));
+    LOG_D("rt_usbd_function_new");
 
     /* parameter check */
     RT_ASSERT(device != RT_NULL);
@@ -1317,7 +1321,7 @@ uep_t rt_usbd_endpoint_new(uep_desc_t ep_desc, udep_handler_t handler)
 {
     uep_t ep;
 
-    RT_DEBUG_LOG(RT_DEBUG_USB, ("rt_usbd_endpoint_new\n"));
+    LOG_D("rt_usbd_endpoint_new");
 
     /* parameter check */
     RT_ASSERT(ep_desc != RT_NULL);
@@ -1377,7 +1381,7 @@ uconfig_t rt_usbd_find_config(udevice_t device, rt_uint8_t value)
     struct rt_list_node* node;
     uconfig_t cfg = RT_NULL;
 
-    RT_DEBUG_LOG(RT_DEBUG_USB, ("rt_usbd_find_config\n"));
+    LOG_D("rt_usbd_find_config");
 
     /* parameter check */
     RT_ASSERT(device != RT_NULL);
@@ -1411,7 +1415,7 @@ uintf_t rt_usbd_find_interface(udevice_t device, rt_uint8_t value, ufunction_t *
     ufunction_t func;
     uintf_t intf;
 
-    RT_DEBUG_LOG(RT_DEBUG_USB, ("rt_usbd_find_interface\n"));
+    LOG_D("rt_usbd_find_interface");
 
     /* parameter check */
     RT_ASSERT(device != RT_NULL);
@@ -1451,7 +1455,7 @@ ualtsetting_t rt_usbd_find_altsetting(uintf_t intf, rt_uint8_t value)
     struct rt_list_node *i;
     ualtsetting_t setting;
 
-    RT_DEBUG_LOG(RT_DEBUG_USB, ("rt_usbd_find_altsetting\n"));
+    LOG_D("rt_usbd_find_altsetting");
 
     /* parameter check */
     RT_ASSERT(intf != RT_NULL);
@@ -1534,7 +1538,7 @@ rt_err_t rt_usbd_device_add_config(udevice_t device, uconfig_t cfg)
     ualtsetting_t altsetting;
     uep_t ep;
 
-    RT_DEBUG_LOG(RT_DEBUG_USB, ("rt_usbd_device_add_config\n"));
+    LOG_D("rt_usbd_device_add_config");
 
     /* parameter check */
     RT_ASSERT(device != RT_NULL);
@@ -1592,7 +1596,7 @@ rt_err_t rt_usbd_device_add_config(udevice_t device, uconfig_t cfg)
  */
 rt_err_t rt_usbd_config_add_function(uconfig_t cfg, ufunction_t func)
 {
-    RT_DEBUG_LOG(RT_DEBUG_USB, ("rt_usbd_config_add_function\n"));
+    LOG_D("rt_usbd_config_add_function");
 
     /* parameter check */
     RT_ASSERT(cfg != RT_NULL);
@@ -1615,7 +1619,7 @@ rt_err_t rt_usbd_config_add_function(uconfig_t cfg, ufunction_t func)
 rt_err_t rt_usbd_function_add_interface(ufunction_t func, uintf_t intf)
 {
 
-    RT_DEBUG_LOG(RT_DEBUG_USB, ("rt_usbd_function_add_interface\n"));
+    LOG_D("rt_usbd_function_add_interface");
 
     /* parameter check */
     RT_ASSERT(func != RT_NULL);
@@ -1637,7 +1641,7 @@ rt_err_t rt_usbd_function_add_interface(ufunction_t func, uintf_t intf)
  */
 rt_err_t rt_usbd_interface_add_altsetting(uintf_t intf, ualtsetting_t setting)
 {
-    RT_DEBUG_LOG(RT_DEBUG_USB, ("rt_usbd_interface_add_altsetting\n"));
+    LOG_D("rt_usbd_interface_add_altsetting");
 
     /* parameter check */
     RT_ASSERT(intf != RT_NULL);
@@ -1661,7 +1665,7 @@ rt_err_t rt_usbd_interface_add_altsetting(uintf_t intf, ualtsetting_t setting)
  */
 rt_err_t rt_usbd_altsetting_add_endpoint(ualtsetting_t setting, uep_t ep)
 {
-    RT_DEBUG_LOG(RT_DEBUG_USB, ("rt_usbd_altsetting_add_endpoint\n"));
+    LOG_D("rt_usbd_altsetting_add_endpoint");
 
     /* parameter check */
     RT_ASSERT(setting != RT_NULL);
@@ -1694,7 +1698,7 @@ rt_err_t rt_usbd_set_altsetting(uintf_t intf, rt_uint8_t value)
 {
     ualtsetting_t setting;
 
-    RT_DEBUG_LOG(RT_DEBUG_USB, ("rt_usbd_set_altsetting\n"));
+    LOG_D("rt_usbd_set_altsetting");
 
     /* parameter check */
     RT_ASSERT(intf != RT_NULL);
@@ -1720,7 +1724,7 @@ rt_err_t rt_usbd_set_config(udevice_t device, rt_uint8_t value)
 {
     uconfig_t cfg;
 
-    RT_DEBUG_LOG(RT_DEBUG_USB, ("rt_usbd_set_config\n"));
+    LOG_D("rt_usbd_set_config");
 
     /* parameter check */
     RT_ASSERT(device != RT_NULL);
@@ -1774,7 +1778,7 @@ rt_size_t rt_usbd_io_request(udevice_t device, uep_t ep, uio_request_t req)
     else
     {
         rt_list_insert_before(&ep->request_list, &req->list);
-        RT_DEBUG_LOG(RT_DEBUG_USB, ("suspend a request\n"));
+        LOG_D("suspend a request");
     }
 
     return size;
@@ -1794,11 +1798,11 @@ rt_err_t rt_usbd_set_feature(udevice_t device, rt_uint16_t value, rt_uint16_t in
 
     if (value == USB_FEATURE_DEV_REMOTE_WAKEUP)
     {
-        RT_DEBUG_LOG(RT_DEBUG_USB, ("set feature remote wakeup\n"));
+        LOG_D("set feature remote wakeup");
     }
     else if (value == USB_FEATURE_ENDPOINT_HALT)
     {
-        RT_DEBUG_LOG(RT_DEBUG_USB, ("set feature stall\n"));
+        LOG_D("set feature stall");
         dcd_ep_set_stall(device->dcd, (rt_uint32_t)(index & 0xFF));
     }
 
@@ -1819,11 +1823,11 @@ rt_err_t rt_usbd_clear_feature(udevice_t device, rt_uint16_t value, rt_uint16_t
 
     if (value == USB_FEATURE_DEV_REMOTE_WAKEUP)
     {
-        RT_DEBUG_LOG(RT_DEBUG_USB, ("clear feature remote wakeup\n"));
+        LOG_D("clear feature remote wakeup");
     }
     else if (value == USB_FEATURE_ENDPOINT_HALT)
     {
-        RT_DEBUG_LOG(RT_DEBUG_USB, ("clear feature stall\n"));
+        LOG_D("clear feature stall");
         dcd_ep_clear_stall(device->dcd, (rt_uint32_t)(index & 0xFF));
     }
 
@@ -1897,7 +1901,7 @@ static rt_err_t rt_usbd_ep_assign(udevice_t device, uep_t ep)
             ep->id = &device->dcd->ep_pool[i];
             device->dcd->ep_pool[i].status = ID_ASSIGNED;
 
-            RT_DEBUG_LOG(RT_DEBUG_USB, ("assigned %d\n", device->dcd->ep_pool[i].addr));
+            LOG_D("assigned %d", device->dcd->ep_pool[i].addr);
             return RT_EOK;
         }
 
@@ -2170,7 +2174,7 @@ static void rt_usbd_thread_entry(void* parameter)
             continue;
         }
 
-        RT_DEBUG_LOG(RT_DEBUG_USB, ("message type %d\n", msg.type));
+        LOG_D("message type %d", msg.type);
 
         switch (msg.type)
         {
@@ -2189,7 +2193,7 @@ static void rt_usbd_thread_entry(void* parameter)
             _ep0_out_notify(device, &msg.content.ep_msg);
             break;
         case USB_MSG_RESET:
-            RT_DEBUG_LOG(RT_DEBUG_USB, ("reset %d\n", device->state));
+            LOG_D("reset %d", device->state);
             if (device->state == USB_STATE_ADDRESS || device->state == USB_STATE_CONFIGURED)
                 _stop_notify(device);
             device->state = USB_STATE_NOTATTACHED;
diff --git a/components/drivers/usb/usbhost/class/adk.c b/components/drivers/usb/usbhost/class/adk.c
index 280894cdf2..4c51fa8692 100644
--- a/components/drivers/usb/usbhost/class/adk.c
+++ b/components/drivers/usb/usbhost/class/adk.c
@@ -14,6 +14,10 @@
 
 #ifdef RT_USBH_ADK
 
+#define DBG_TAG           "usbhost.adk"
+#define DBG_LVL           DBG_INFO
+#include <rtdbg.h>
+
 static struct uclass_driver adk_driver;
 static const char* _adk_manufacturer = RT_NULL;
 static const char* _adk_model = RT_NULL;
@@ -231,7 +235,7 @@ static rt_err_t rt_usbh_adk_enable(void* arg)
         return -RT_EIO;
     }
 
-    RT_DEBUG_LOG(RT_DEBUG_USB, ("rt_usbh_adk_run\n"));
+    LOG_D("rt_usbh_adk_run");
 
     dev_desc = &intf->device->dev_desc;
     if(dev_desc->idVendor == USB_ACCESSORY_VENDOR_ID &&
@@ -240,11 +244,11 @@ static rt_err_t rt_usbh_adk_enable(void* arg)
     {
         if(intf->intf_desc->bInterfaceSubClass != 0xFF) return -RT_ERROR;
 
-        RT_DEBUG_LOG(RT_DEBUG_USB, ("found android accessory device\n"));
+        LOG_D("found android accessory device");
     }
     else
     {
-        RT_DEBUG_LOG(RT_DEBUG_USB, ("switch device\n"));
+        LOG_D("switch device");
 
         if((ret = rt_usbh_adk_get_protocol(intf, &protocol)) != RT_EOK)
         {
@@ -271,12 +275,12 @@ static rt_err_t rt_usbh_adk_enable(void* arg)
         rt_usbh_adk_send_string(intf,
             ACCESSORY_STRING_SERIAL, _adk_serial);
 
-        RT_DEBUG_LOG(RT_DEBUG_USB, ("manufacturer %s\n", _adk_manufacturer));
-        RT_DEBUG_LOG(RT_DEBUG_USB, ("model %s\n", _adk_model));
-        RT_DEBUG_LOG(RT_DEBUG_USB, ("description %s\n", _adk_description));
-        RT_DEBUG_LOG(RT_DEBUG_USB, ("version %s\n", _adk_version));
-        RT_DEBUG_LOG(RT_DEBUG_USB, ("uri %s\n", _adk_uri));
-        RT_DEBUG_LOG(RT_DEBUG_USB, ("serial %s\n", _adk_serial));
+        LOG_D("manufacturer %s", _adk_manufacturer);
+        LOG_D("model %s", _adk_model);
+        LOG_D("description %s", _adk_description);
+        LOG_D("version %s", _adk_version);
+        LOG_D("uri %s", _adk_uri);
+        LOG_D("serial %s", _adk_serial);
 
         if((ret = rt_usbh_adk_start(intf)) != RT_EOK)
         {
@@ -372,7 +376,7 @@ static rt_err_t rt_usbh_adk_disable(void* arg)
 
     RT_ASSERT(intf != RT_NULL);
 
-    RT_DEBUG_LOG(RT_DEBUG_USB, ("rt_usbh_adk_stop\n"));
+    LOG_D("rt_usbh_adk_stop");
 
     adk = (uadk_t)intf->user_data;
     if(adk == RT_NULL)
diff --git a/components/drivers/usb/usbhost/class/hid.c b/components/drivers/usb/usbhost/class/hid.c
index 805bfea037..5911faf1aa 100644
--- a/components/drivers/usb/usbhost/class/hid.c
+++ b/components/drivers/usb/usbhost/class/hid.c
@@ -15,6 +15,10 @@
 
 #ifdef RT_USBH_HID
 
+#define DBG_TAG           "usbhost.hid"
+#define DBG_LVL           DBG_INFO
+#include <rtdbg.h>
+
 static struct uclass_driver hid_driver;
 static rt_list_t _protocal_list;
 
@@ -304,8 +308,7 @@ static rt_err_t rt_usbh_hid_enable(void* arg)
 
     pro_id = intf->intf_desc->bInterfaceProtocol;
 
-    RT_DEBUG_LOG(RT_DEBUG_USB,
-                 ("HID device enable, protocal id %d\n", pro_id));
+    LOG_D("HID device enable, protocal id %d", pro_id);
 
     protocal = rt_usbh_hid_protocal_find(pro_id);
     if(protocal == RT_NULL)
@@ -367,7 +370,7 @@ static rt_err_t rt_usbh_hid_disable(void* arg)
 
     RT_ASSERT(intf != RT_NULL);
 
-    RT_DEBUG_LOG(RT_DEBUG_USB, ("rt_usbh_hid_disable\n"));
+    LOG_D("rt_usbh_hid_disable");
 
     hid = (struct uhid*)intf->user_data;
     if(hid != RT_NULL)
diff --git a/components/drivers/usb/usbhost/class/mass.c b/components/drivers/usb/usbhost/class/mass.c
index dcaa373ac2..c29cd30ee4 100644
--- a/components/drivers/usb/usbhost/class/mass.c
+++ b/components/drivers/usb/usbhost/class/mass.c
@@ -14,6 +14,10 @@
 
 #ifdef RT_USBH_MSTORAGE
 
+#define DBG_TAG           "usbhost.mass"
+#define DBG_LVL           DBG_INFO
+#include <rtdbg.h>
+
 extern rt_err_t rt_udisk_run(struct uhintf* intf);
 extern rt_err_t rt_udisk_stop(struct uhintf* intf);
 
@@ -70,7 +74,7 @@ static rt_err_t _pipe_check(struct uhintf* intf, upipe_t pipe)
 
     stor->pipe_in->status = UPIPE_STATUS_OK;
 
-    RT_DEBUG_LOG(RT_DEBUG_USB, ("clean storage in pipe stall\n"));
+    LOG_D("clean storage in pipe stall");
 
     /* it should receive csw after clear the stall feature */
     size = rt_usb_hcd_pipe_xfer(stor->pipe_in->inst->hcd,
@@ -200,7 +204,7 @@ rt_err_t rt_usbh_storage_get_max_lun(struct uhintf* intf, rt_uint8_t* max_lun)
 
     /* parameter check */
     RT_ASSERT(intf->device != RT_NULL);
-    RT_DEBUG_LOG(RT_DEBUG_USB, ("rt_usbh_storage_get_max_lun\n"));
+    LOG_D("rt_usbh_storage_get_max_lun");
 
     /* get usb device instance from the interface instance */
     device = intf->device;
@@ -250,7 +254,7 @@ rt_err_t rt_usbh_storage_reset(struct uhintf* intf)
     }
 
     RT_ASSERT(intf->device != RT_NULL);
-    RT_DEBUG_LOG(RT_DEBUG_USB, ("rt_usbh_storage_reset\n"));
+    LOG_D("rt_usbh_storage_reset");
 
     /* get usb device instance from the interface instance */
     device = intf->device;
@@ -297,7 +301,7 @@ rt_err_t rt_usbh_storage_read10(struct uhintf* intf, rt_uint8_t *buffer,
     }
 
     RT_ASSERT(intf->device != RT_NULL);
-    RT_DEBUG_LOG(RT_DEBUG_USB, ("rt_usbh_storage_read10\n"));
+    LOG_D("rt_usbh_storage_read10");
 
     /* construct the command block wrapper */
     rt_memset(&cmd, 0, sizeof(struct ustorage_cbw));
@@ -343,7 +347,7 @@ rt_err_t rt_usbh_storage_write10(struct uhintf* intf, rt_uint8_t *buffer,
     }
 
     RT_ASSERT(intf->device != RT_NULL);
-    RT_DEBUG_LOG(RT_DEBUG_USB, ("rt_usbh_storage_write10\n"));
+    LOG_D("rt_usbh_storage_write10");
 
     /* construct the command block wrapper */
     rt_memset(&cmd, 0, sizeof(struct ustorage_cbw));
@@ -387,7 +391,7 @@ rt_err_t rt_usbh_storage_request_sense(struct uhintf* intf, rt_uint8_t* buffer)
     }
 
     RT_ASSERT(intf->device != RT_NULL);
-    RT_DEBUG_LOG(RT_DEBUG_USB, ("rt_usbh_storage_request_sense\n"));
+    LOG_D("rt_usbh_storage_request_sense");
 
     /* construct the command block wrapper */
     rt_memset(&cmd, 0, sizeof(struct ustorage_cbw));
@@ -423,7 +427,7 @@ rt_err_t rt_usbh_storage_test_unit_ready(struct uhintf* intf)
     }
 
     RT_ASSERT(intf->device != RT_NULL);
-    RT_DEBUG_LOG(RT_DEBUG_USB, ("rt_usbh_storage_test_unit_ready\n"));
+    LOG_D("rt_usbh_storage_test_unit_ready");
 
     /* construct the command block wrapper */
     rt_memset(&cmd, 0, sizeof(struct ustorage_cbw));
@@ -459,7 +463,7 @@ rt_err_t rt_usbh_storage_inquiry(struct uhintf* intf, rt_uint8_t* buffer)
     }
 
     RT_ASSERT(intf->device != RT_NULL);
-    RT_DEBUG_LOG(RT_DEBUG_USB, ("rt_usbh_storage_inquiry\n"));
+    LOG_D("rt_usbh_storage_inquiry");
 
     /* construct the command block wrapper */
     rt_memset(&cmd, 0, sizeof(struct ustorage_cbw));
@@ -496,7 +500,7 @@ rt_err_t rt_usbh_storage_get_capacity(struct uhintf* intf, rt_uint8_t* buffer)
     }
 
     RT_ASSERT(intf->device != RT_NULL);
-    RT_DEBUG_LOG(RT_DEBUG_USB, ("rt_usbh_storage_get_capacity\n"));
+    LOG_D("rt_usbh_storage_get_capacity");
 
     /* construct the command block wrapper */
     rt_memset(&cmd, 0, sizeof(struct ustorage_cbw));
@@ -534,11 +538,11 @@ static rt_err_t rt_usbh_storage_enable(void* arg)
         return -RT_EIO;
     }
 
-    RT_DEBUG_LOG(RT_DEBUG_USB, ("subclass %d, protocal %d\n",
+    LOG_D("subclass %d, protocal %d",
         intf->intf_desc->bInterfaceSubClass,
-        intf->intf_desc->bInterfaceProtocol));
+        intf->intf_desc->bInterfaceProtocol);
 
-    RT_DEBUG_LOG(RT_DEBUG_USB, ("rt_usbh_storage_run\n"));
+    LOG_D("rt_usbh_storage_run");
 
     /* only support SCSI subclass and bulk only protocal */
 
@@ -610,7 +614,7 @@ static rt_err_t rt_usbh_storage_disable(void* arg)
     RT_ASSERT(intf->user_data != RT_NULL);
     RT_ASSERT(intf->device != RT_NULL);
 
-    RT_DEBUG_LOG(RT_DEBUG_USB, ("rt_usbh_storage_stop\n"));
+    LOG_D("rt_usbh_storage_stop");
 
     /* get storage instance from interface instance */
     stor = (ustor_t)intf->user_data;
diff --git a/components/drivers/usb/usbhost/class/udisk.c b/components/drivers/usb/usbhost/class/udisk.c
index deda263b78..07815e5996 100644
--- a/components/drivers/usb/usbhost/class/udisk.c
+++ b/components/drivers/usb/usbhost/class/udisk.c
@@ -14,7 +14,7 @@
 #include "mass.h"
 
 #define DBG_TAG    "usbhost.udisk"
-#define DBG_LVL    DBG_INFO
+#define DBG_LVL           DBG_INFO
 #include <rtdbg.h>
 
 #ifdef RT_USBH_MSTORAGE
@@ -281,8 +281,8 @@ rt_err_t rt_udisk_run(struct uhintf* intf)
     stor->capicity[1] = uswap_32(stor->capicity[1]);
     stor->capicity[0] += 1;
 
-    RT_DEBUG_LOG(RT_DEBUG_USB, ("capicity %d, block size %d\n",
-        stor->capicity[0], stor->capicity[1]));
+    LOG_D("capicity %d, block size %d",
+        stor->capicity[0], stor->capicity[1]);
 
     /* get the first sector to read partition table */
     sector = (rt_uint8_t*) rt_malloc (SECTOR_SIZE);
@@ -294,7 +294,7 @@ rt_err_t rt_udisk_run(struct uhintf* intf)
 
     rt_memset(sector, 0, SECTOR_SIZE);
 
-    RT_DEBUG_LOG(RT_DEBUG_USB, ("read partition table\n"));
+    LOG_D("read partition table");
 
     /* get the partition table */
     ret = rt_usbh_storage_read10(intf, sector, 0, 1, USB_TIMEOUT_LONG);
@@ -306,7 +306,7 @@ rt_err_t rt_udisk_run(struct uhintf* intf)
         return -RT_ERROR;
     }
 
-    RT_DEBUG_LOG(RT_DEBUG_USB, ("finished reading partition\n"));
+    LOG_D("finished reading partition");
 
     for(i=0; i<MAX_PARTITION_COUNT; i++)
     {
@@ -346,11 +346,11 @@ rt_err_t rt_udisk_run(struct uhintf* intf)
             if (dfs_mount(stor->dev[i].parent.name, UDISK_MOUNTPOINT, "elm",
                 0, 0) == 0)
             {
-                RT_DEBUG_LOG(RT_DEBUG_USB, ("udisk part %d mount successfully\n", i));
+                LOG_D("udisk part %d mount successfully", i);
             }
             else
             {
-                RT_DEBUG_LOG(RT_DEBUG_USB, ("udisk part %d mount failed\n", i));
+                LOG_D("udisk part %d mount failed", i);
             }
         }
         else
diff --git a/components/drivers/usb/usbhost/class/ukbd.c b/components/drivers/usb/usbhost/class/ukbd.c
index 2d2a3ccffe..db080ed406 100644
--- a/components/drivers/usb/usbhost/class/ukbd.c
+++ b/components/drivers/usb/usbhost/class/ukbd.c
@@ -14,6 +14,10 @@
 
 #if defined(RT_USBH_HID) && defined(RT_USBH_HID_KEYBOARD)
 
+#define DBG_TAG    "usbhost.ukbd"
+#define DBG_LVL           DBG_INFO
+#include <rtdbg.h>
+
 static struct uprotocal kbd_protocal;
 
 static rt_err_t rt_usbh_hid_kbd_callback(void* arg)
@@ -28,7 +32,7 @@ static rt_err_t rt_usbh_hid_kbd_callback(void* arg)
 
     if(int1 != 0 || int2 != 0)
     {
-        RT_DEBUG_LOG(RT_DEBUG_USB, ("key down 0x%x, 0x%x\n", int1, int2));
+        LOG_D("key down 0x%x, 0x%x", int1, int2);
     }
 
     return RT_EOK;
@@ -62,7 +66,7 @@ static rt_err_t rt_usbh_hid_kbd_init(void* arg)
 
     rt_usbh_hid_set_idle(intf, 10, 0);
 
-    RT_DEBUG_LOG(RT_DEBUG_USB, ("start usb keyboard\n"));
+    LOG_D("start usb keyboard");
 
     kbd_thread = rt_thread_create("kbd0", kbd_task, intf, 1024, 8, 100);
     rt_thread_startup(kbd_thread);
diff --git a/components/drivers/usb/usbhost/class/umouse.c b/components/drivers/usb/usbhost/class/umouse.c
index 46b1b9b107..dfd6e9081c 100644
--- a/components/drivers/usb/usbhost/class/umouse.c
+++ b/components/drivers/usb/usbhost/class/umouse.c
@@ -19,6 +19,11 @@
 #endif
 
 #if defined(RT_USBH_HID) && defined(RT_USBH_HID_MOUSE)
+
+#define DBG_TAG    "usbhost.umouse"
+#define DBG_LVL           DBG_INFO
+#include <rtdbg.h>
+
 static struct uprotocal mouse_protocal;
 
 #ifdef RT_USING_RTGUI
@@ -42,9 +47,9 @@ static rt_err_t rt_usbh_hid_mouse_callback(void* arg)
 #endif
     hid = (struct uhid*)arg;
 
-    RT_DEBUG_LOG(RT_DEBUG_USB, ("hid 0x%x 0x%x\n",
+    LOG_D("hid 0x%x 0x%x",
                                 *(rt_uint32_t*)hid->buffer,
-                                *(rt_uint32_t*)(&hid->buffer[4])));
+                                *(rt_uint32_t*)(&hid->buffer[4]));
 #ifdef RT_USING_RTGUI
     if(hid->buffer[1]!=0)
     {
@@ -157,7 +162,7 @@ static rt_err_t rt_usbh_hid_mouse_init(void* arg)
     mouse_thread = rt_thread_create("mouse0", mouse_task, intf, 1024, 8, 100);
     rt_thread_startup(mouse_thread);
 
-    RT_DEBUG_LOG(RT_DEBUG_USB, ("start usb mouse\n"));
+    LOG_D("start usb mouse");
 #ifdef RT_USING_RTGUI
     RTGUI_EVENT_MOUSE_BUTTON_INIT(&emouse);
     emouse.wid = RT_NULL;
diff --git a/components/drivers/usb/usbhost/core/hub.c b/components/drivers/usb/usbhost/core/hub.c
index bf55be3452..38fc1c738f 100644
--- a/components/drivers/usb/usbhost/core/hub.c
+++ b/components/drivers/usb/usbhost/core/hub.c
@@ -15,7 +15,7 @@
 #define USB_THREAD_STACK_SIZE    4096
 
 #define DBG_TAG    "usbhost.hub"
-#define DBG_LVL    DBG_INFO
+#define DBG_LVL           DBG_INFO
 #include <rtdbg.h>
 
 
@@ -405,7 +405,7 @@ static rt_err_t rt_usbh_hub_port_change(uhub_t hub)
         ret = rt_usbh_hub_get_port_status(hub, i + 1, &pstatus);
         if(ret != RT_EOK) continue;
 
-        RT_DEBUG_LOG(RT_DEBUG_USB, ("port %d status 0x%x\n", i + 1, pstatus));
+        RT_DEBUG_LOG_D("port %d status 0x%x", i + 1, pstatus);
 
         /* check port status change */
         if (pstatus & PORT_CCSC)
@@ -476,13 +476,13 @@ static void rt_usbh_hub_irq(void* context)
 
     if(pipe->status != UPIPE_STATUS_OK)
     {
-        RT_DEBUG_LOG(RT_DEBUG_USB,("hub irq error\n"));
+        LOG_D("hub irq error");
         return;
     }
 
     rt_usbh_hub_port_change(hub);
 
-    RT_DEBUG_LOG(RT_DEBUG_USB,("hub int xfer...\n"));
+    LOG_D("hub int xfer...");
 
     /* parameter check */
      RT_ASSERT(pipe->inst->hcd != RT_NULL);
@@ -512,7 +512,7 @@ static rt_err_t rt_usbh_hub_enable(void *arg)
     /* paremeter check */
     RT_ASSERT(intf != RT_NULL);
 
-    RT_DEBUG_LOG(RT_DEBUG_USB, ("rt_usbh_hub_run\n"));
+    RT_DEBUG_LOG_D("rt_usbh_hub_run");
 
     /* get usb device instance */
     device = intf->device;
@@ -613,7 +613,7 @@ static rt_err_t rt_usbh_hub_disable(void* arg)
     /* paremeter check */
     RT_ASSERT(intf != RT_NULL);
 
-    RT_DEBUG_LOG(RT_DEBUG_USB, ("rt_usbh_hub_stop\n"));
+    RT_DEBUG_LOG_D("rt_usbh_hub_stop");
     hub = (uhub_t)intf->user_data;
 
     for(i=0; i<hub->num_ports; i++)
@@ -662,7 +662,7 @@ static void rt_usbh_hub_thread_entry(void* parameter)
         if (rt_mq_recv(hcd->usb_mq, &msg, sizeof(struct uhost_msg), RT_WAITING_FOREVER) < 0)
             continue;
 
-        //RT_DEBUG_LOG(RT_DEBUG_USB, ("msg type %d\n", msg.type));
+        //RT_DEBUG_LOG_D("msg type %d", msg.type);
 
         switch (msg.type)
         {
diff --git a/components/drivers/usb/usbhost/core/usbhost_core.c b/components/drivers/usb/usbhost/core/usbhost_core.c
index bf67897c40..fae5ba75fb 100644
--- a/components/drivers/usb/usbhost/core/usbhost_core.c
+++ b/components/drivers/usb/usbhost/core/usbhost_core.c
@@ -11,6 +11,10 @@
 #include <rtthread.h>
 #include <drivers/usb_host.h>
 
+#define DBG_TAG    "usbhost.core"
+#define DBG_LVL           DBG_INFO
+#include <rtdbg.h>
+
 static struct uinstance dev[USB_MAX_DEVICE];
 
 /**
@@ -105,7 +109,7 @@ rt_err_t rt_usbh_attatch_instance(uinst_t device)
     rt_usb_hcd_alloc_pipe(device->hcd, &device->pipe_ep0_out, device, &ep0_out_desc);
     rt_usb_hcd_alloc_pipe(device->hcd, &device->pipe_ep0_in, device, &ep0_in_desc);
 
-    RT_DEBUG_LOG(RT_DEBUG_USB, ("start enumnation\n"));
+    LOG_D("start enumnation");
 
     /* get device descriptor head */
     ret = rt_usbh_get_descriptor(device, USB_DESC_TYPE_DEVICE, (void*)dev_desc, 8);
@@ -138,8 +142,8 @@ rt_err_t rt_usbh_attatch_instance(uinst_t device)
     /* alloc true address ep0 pipe*/
     rt_usb_hcd_alloc_pipe(device->hcd, &device->pipe_ep0_out, device, &ep0_out_desc);
     rt_usb_hcd_alloc_pipe(device->hcd, &device->pipe_ep0_in, device, &ep0_in_desc);
-    RT_DEBUG_LOG(RT_DEBUG_USB, ("get device descriptor length %d\n",
-                                dev_desc->bLength));
+    LOG_D("get device descriptor length %d",
+                                dev_desc->bLength);
 
     /* get full device descriptor again */
     ret = rt_usbh_get_descriptor(device, USB_DESC_TYPE_DEVICE, (void*)dev_desc, dev_desc->bLength);
@@ -149,8 +153,8 @@ rt_err_t rt_usbh_attatch_instance(uinst_t device)
         return ret;
     }
 
-    RT_DEBUG_LOG(RT_DEBUG_USB, ("Vendor ID 0x%x\n", dev_desc->idVendor));
-    RT_DEBUG_LOG(RT_DEBUG_USB, ("Product ID 0x%x\n", dev_desc->idProduct));
+    LOG_D("Vendor ID 0x%x", dev_desc->idVendor);
+    LOG_D("Product ID 0x%x", dev_desc->idProduct);
 
     /* get configuration descriptor head */
     ret = rt_usbh_get_descriptor(device, USB_DESC_TYPE_CONFIGURATION, &cfg_desc, 18);
@@ -193,9 +197,9 @@ rt_err_t rt_usbh_attatch_instance(uinst_t device)
             return -RT_ERROR;
         }
 
-        RT_DEBUG_LOG(RT_DEBUG_USB, ("interface class 0x%x, subclass 0x%x\n",
+        LOG_D("interface class 0x%x, subclass 0x%x",
                                     intf_desc->bInterfaceClass,
-                                    intf_desc->bInterfaceSubClass));
+                                    intf_desc->bInterfaceSubClass);
         /* alloc pipe*/
         for(ep_index = 0; ep_index < intf_desc->bNumEndpoints; ep_index++)
         {
@@ -276,7 +280,7 @@ rt_err_t rt_usbh_detach_instance(uinst_t device)
 
             RT_ASSERT(device->intf[i]->device == device);
 
-            RT_DEBUG_LOG(RT_DEBUG_USB, ("free interface instance %d\n", i));
+            LOG_D("free interface instance %d", i);
             rt_usbh_class_driver_disable(device->intf[i]->drv, (void*)device->intf[i]);
             rt_free(device->intf[i]);
         }
@@ -349,7 +353,7 @@ rt_err_t rt_usbh_set_address(uinst_t device)
 
     RT_ASSERT(device != RT_NULL);
 
-    RT_DEBUG_LOG(RT_DEBUG_USB, ("rt_usb_set_address\n"));
+    LOG_D("rt_usb_set_address");
 
     setup.request_type = USB_REQ_TYPE_DIR_OUT | USB_REQ_TYPE_STANDARD |
         USB_REQ_TYPE_DEVICE;
@@ -499,8 +503,7 @@ rt_err_t rt_usbh_get_interface_descriptor(ucfg_desc_t cfg_desc, int num,
             {
                 *intf_desc = (uintf_desc_t)desc;
 
-                RT_DEBUG_LOG(RT_DEBUG_USB,
-                             ("rt_usb_get_interface_descriptor: %d\n", num));
+                LOG_D("rt_usb_get_interface_descriptor: %d", num);
                 return RT_EOK;
             }
         }
@@ -547,8 +550,7 @@ rt_err_t rt_usbh_get_endpoint_descriptor(uintf_desc_t intf_desc, int num,
             {
                 *ep_desc = (uep_desc_t)desc;
 
-                RT_DEBUG_LOG(RT_DEBUG_USB,
-                             ("rt_usb_get_endpoint_descriptor: %d\n", num));
+                LOG_D("rt_usb_get_endpoint_descriptor: %d", num);
                 return RT_EOK;
             }
             else count++;
@@ -568,7 +570,7 @@ int rt_usb_hcd_pipe_xfer(uhcd_t hcd, upipe_t pipe, void* buffer, int nbytes, int
     rt_uint8_t * pbuffer = (rt_uint8_t *)buffer;
     do
     {
-        RT_DEBUG_LOG(RT_DEBUG_USB,("pipe transform remain size,: %d\n", remain_size));
+        LOG_D("pipe transform remain size,: %d", remain_size);
         send_size = (remain_size > pipe->ep.wMaxPacketSize) ? pipe->ep.wMaxPacketSize : remain_size;
         if(hcd->ops->pipe_xfer(pipe, USBH_PID_DATA, pbuffer, send_size, timeout) == send_size)
         {
diff --git a/components/libc/posix/libdl/arch/arm.c b/components/libc/posix/libdl/arch/arm.c
index 6a884bdb54..a1ab506a55 100644
--- a/components/libc/posix/libdl/arch/arm.c
+++ b/components/libc/posix/libdl/arch/arm.c
@@ -12,6 +12,15 @@
 #include "../dlelf.h"
 
 #ifdef __arm__
+
+#define DBG_TAG           "kernel.module"
+#ifdef RT_DEBUG_MODULE
+#define DBG_LVL           DBG_LOG
+#else
+#define DBG_LVL           DBG_WARNING
+#endif /* defined (RT_DEBUG_MODULE) */
+#include <rtdbg.h>
+
 int dlmodule_relocate(struct rt_dlmodule *module, Elf32_Rel *rel, Elf32_Addr sym_val)
 {
     Elf32_Addr *where, tmp;
@@ -27,8 +36,8 @@ int dlmodule_relocate(struct rt_dlmodule *module, Elf32_Rel *rel, Elf32_Addr sym
         break;
     case R_ARM_ABS32:
         *where += (Elf32_Addr)sym_val;
-        RT_DEBUG_LOG(RT_DEBUG_MODULE, ("R_ARM_ABS32: %x -> %x\n",
-                                       where, *where));
+        LOG_D("R_ARM_ABS32: %x -> %x",
+              where, *where);
         break;
     case R_ARM_PC24:
     case R_ARM_PLT32:
@@ -40,14 +49,13 @@ int dlmodule_relocate(struct rt_dlmodule *module, Elf32_Rel *rel, Elf32_Addr sym
         tmp = sym_val - (Elf32_Addr)where + (addend << 2);
         tmp >>= 2;
         *where = (*where & 0xff000000) | (tmp & 0x00ffffff);
-        RT_DEBUG_LOG(RT_DEBUG_MODULE, ("R_ARM_PC24: %x -> %x\n",
-                                       where, *where));
+        LOG_D("R_ARM_PC24: %x -> %x",
+              where, *where);
         break;
     case R_ARM_REL32:
         *where += sym_val - (Elf32_Addr)where;
-        RT_DEBUG_LOG(RT_DEBUG_MODULE,
-                     ("R_ARM_REL32: %x -> %x, sym %x, offset %x\n",
-                      where, *where, sym_val, rel->r_offset));
+        LOG_D("R_ARM_REL32: %x -> %x, sym %x, offset %x",
+              where, *where, sym_val, rel->r_offset);
         break;
     case R_ARM_V4BX:
         *where &= 0xf000000f;
@@ -57,22 +65,22 @@ int dlmodule_relocate(struct rt_dlmodule *module, Elf32_Rel *rel, Elf32_Addr sym
     case R_ARM_GLOB_DAT:
     case R_ARM_JUMP_SLOT:
         *where = (Elf32_Addr)sym_val;
-        RT_DEBUG_LOG(RT_DEBUG_MODULE, ("R_ARM_JUMP_SLOT: 0x%x -> 0x%x 0x%x\n",
-                                       where, *where, sym_val));
+        LOG_D("R_ARM_JUMP_SLOT: 0x%x -> 0x%x 0x%x",
+              where, *where, sym_val);
         break;
 #if 0        /* To do */
     case R_ARM_GOT_BREL:
         temp   = (Elf32_Addr)sym_val;
         *where = (Elf32_Addr)&temp;
-        RT_DEBUG_LOG(RT_DEBUG_MODULE, ("R_ARM_GOT_BREL: 0x%x -> 0x%x 0x%x\n",
-                                       where, *where, sym_val));
+        LOG_D("R_ARM_GOT_BREL: 0x%x -> 0x%x 0x%x",
+              where, *where, sym_val);
         break;
 #endif
 
     case R_ARM_RELATIVE:
         *where = (Elf32_Addr)sym_val + *where;
-        RT_DEBUG_LOG(RT_DEBUG_MODULE, ("R_ARM_RELATIVE: 0x%x -> 0x%x 0x%x\n",
-                                       where, *where, sym_val));
+        LOG_D("R_ARM_RELATIVE: 0x%x -> 0x%x 0x%x",
+              where, *where, sym_val);
         break;
     case R_ARM_THM_CALL:
     case R_ARM_THM_JUMP24:
diff --git a/components/libc/posix/libdl/arch/riscv.c b/components/libc/posix/libdl/arch/riscv.c
index c7c454e168..cf0eb193af 100644
--- a/components/libc/posix/libdl/arch/riscv.c
+++ b/components/libc/posix/libdl/arch/riscv.c
@@ -26,6 +26,14 @@
 #define R_RISCV_TLS_TPREL32   10
 #define R_RISCV_TLS_TPREL64   11
 
+#define DBG_TAG           "kernel.module"
+#ifdef RT_DEBUG_MODULE
+#define DBG_LVL           DBG_LOG
+#else
+#define DBG_LVL           DBG_WARNING
+#endif /* defined (RT_DEBUG_MODULE) */
+#include <rtdbg.h>
+
 int dlmodule_relocate(struct rt_dlmodule *module, Elf_Rel *rel, Elf_Addr sym_val)
 {
     Elf64_Addr *where, tmp;
@@ -41,18 +49,18 @@ int dlmodule_relocate(struct rt_dlmodule *module, Elf_Rel *rel, Elf_Addr sym_val
             break;
         case R_RISCV_64:
             *where = (Elf64_Addr)(sym_val + rel->r_addend);
-            RT_DEBUG_LOG(RT_DEBUG_MODULE, ("R_RISCV_64: %x -> %x\n",where, *where));
+            LOG_D("R_RISCV_64: %x -> %x",where, *where);
             break;
         case R_RISCV_RELATIVE:
             *where = (Elf64_Addr)((rt_uint8_t *)module->mem_space - module->vstart_addr + rel->r_addend);
-            RT_DEBUG_LOG(RT_DEBUG_MODULE, ("R_RISCV_RELATIVE: %x -> %x\n",where, *where));
+            LOG_D("R_RISCV_RELATIVE: %x -> %x",where, *where);
             break;
         case R_RISCV_JUMP_SLOT:
             *where = (Elf64_Addr)sym_val;
-            RT_DEBUG_LOG(RT_DEBUG_MODULE, ("R_RISCV_JUMP_SLOT: %x -> %x\n",where, *where));
+            LOG_D("R_RISCV_JUMP_SLOT: %x -> %x",where, *where);
             break;
         default:
-            RT_DEBUG_LOG(RT_DEBUG_MODULE, ("__riscv__ELF: invalid relocate TYPE %d\n", ELF64_R_TYPE(rel->r_info)));
+            LOG_D("__riscv__ELF: invalid relocate TYPE %d", ELF64_R_TYPE(rel->r_info));
             return -1;
     }
     return 0;
diff --git a/components/libc/posix/libdl/arch/x86.c b/components/libc/posix/libdl/arch/x86.c
index e7ad714a03..b309ab8c13 100644
--- a/components/libc/posix/libdl/arch/x86.c
+++ b/components/libc/posix/libdl/arch/x86.c
@@ -13,6 +13,14 @@
 
 #ifdef __i386__
 
+#define DBG_TAG           "kernel.module"
+#ifdef RT_DEBUG_MODULE
+#define DBG_LVL           DBG_LOG
+#else
+#define DBG_LVL           DBG_WARNING
+#endif /* defined (RT_DEBUG_MODULE) */
+#include <rtdbg.h>
+
 #define R_X86_64_GLOB_DAT   6   /* Create GOT entry */
 #define R_X86_64_JUMP_SLOT  7   /* Create PLT entry */
 #define R_X86_64_RELATIVE   8   /* Adjust by program base */
@@ -32,16 +40,16 @@ int dlmodule_relocate(struct rt_dlmodule *module, Elf32_Rel *rel, Elf32_Addr sym
         case R_X86_64_JUMP_SLOT:
             *where = (Elf32_Addr)sym_val;
 
-            RT_DEBUG_LOG(RT_DEBUG_MODULE, ("R_X86_64_JUMP_SLOT: 0x%x -> 0x%x 0x%x\n",
-                  (uint32_t)where, *where, sym_val));
+            LOG_D("R_X86_64_JUMP_SLOT: 0x%x -> 0x%x 0x%x",
+                  (uint32_t)where, *where, sym_val);
             break;
         case R_X86_64_RELATIVE:
             *where = (Elf32_Addr)sym_val + *where;
-            RT_DEBUG_LOG(RT_DEBUG_MODULE, ("R_X86_64_RELATIVE: 0x%x -> 0x%x 0x%x\n",
-                  (uint32_t)where, *where, sym_val));
+            LOG_D("R_X86_64_RELATIVE: 0x%x -> 0x%x 0x%x",
+                  (uint32_t)where, *where, sym_val);
             break;
         default:
-            RT_DEBUG_LOG(RT_DEBUG_MODULE, ("X86ELF: invalid relocate TYPE %d\n", ELF32_R_TYPE(rel->r_info)));
+            LOG_D("X86ELF: invalid relocate TYPE %d", ELF32_R_TYPE(rel->r_info));
             return -1;
     }
 
diff --git a/documentation/basic/basic.md b/documentation/basic/basic.md
index 2aa6a0de99..f5e0e25d19 100644
--- a/documentation/basic/basic.md
+++ b/documentation/basic/basic.md
@@ -578,10 +578,11 @@ Configuration is mainly done by modifying the file under project directory - rtc
 
 /* Define this macro to enable debug mode, if not defined, close.  */
 #define RT_DEBUG
-/* When debug mode is enabled: When the macro is defined as 0, the print component initialization information is turned off. When it is defined as 1, it is enabled. */
-#define RT_DEBUG_INIT 0
+/* When debug mode is enabled: Define this macro to enable the print component initialization information, if not defined, close.  */
+#define RT_DEBUG_INIT
 /* When debug mode is enabled: When the macro is defined as 0, the print thread switching information is turned off. When it is defined as 1, it is enabled. */
-#define RT_DEBUG_THREAD 0
+/* When debug mode is enabled: Define this macro to enable the print thread switching information. */
+#define RT_DEBUG_THREAD
 
 /* Defining this macro means the use of the hook function is started, if not defined, close. */
 #define RT_USING_HOOK
diff --git a/include/rtdebug.h b/include/rtdebug.h
index 76a9779a57..0246ad0fa5 100644
--- a/include/rtdebug.h
+++ b/include/rtdebug.h
@@ -15,64 +15,11 @@
 /* Using this macro to control all kernel debug features. */
 #ifdef RT_DEBUG
 
-/* Turn on some of these (set to non-zero) to debug kernel */
-#ifndef RT_DEBUG_MEM
-#define RT_DEBUG_MEM                   0
-#endif
-
-#ifndef RT_DEBUG_MEMHEAP
-#define RT_DEBUG_MEMHEAP               0
-#endif
-
-#ifndef RT_DEBUG_MODULE
-#define RT_DEBUG_MODULE                0
-#endif
-
-#ifndef RT_DEBUG_SCHEDULER
-#define RT_DEBUG_SCHEDULER             0
-#endif
-
-#ifndef RT_DEBUG_SLAB
-#define RT_DEBUG_SLAB                  0
-#endif
-
-#ifndef RT_DEBUG_THREAD
-#define RT_DEBUG_THREAD                0
-#endif
-
-#ifndef RT_DEBUG_TIMER
-#define RT_DEBUG_TIMER                 0
-#endif
-
-#ifndef RT_DEBUG_IRQ
-#define RT_DEBUG_IRQ                   0
-#endif
-
-#ifndef RT_DEBUG_IPC
-#define RT_DEBUG_IPC                   0
-#endif
-
-#ifndef RT_DEBUG_DEVICE
-#define RT_DEBUG_DEVICE                1
-#endif
-
-#ifndef RT_DEBUG_INIT
-#define RT_DEBUG_INIT                  0
-#endif
-
 /* Turn on this to enable context check */
 #ifndef RT_DEBUG_CONTEXT_CHECK
 #define RT_DEBUG_CONTEXT_CHECK         1
 #endif
 
-#define RT_DEBUG_LOG(type, message)                                           \
-do                                                                            \
-{                                                                             \
-    if (type)                                                                 \
-        rt_kprintf message;                                                   \
-}                                                                             \
-while (0)
-
 #define RT_ASSERT(EX)                                                         \
 if (!(EX))                                                                    \
 {                                                                             \
@@ -156,7 +103,6 @@ while (0)
 #else /* RT_DEBUG */
 
 #define RT_ASSERT(EX)
-#define RT_DEBUG_LOG(type, message)
 #define RT_DEBUG_NOT_IN_INTERRUPT
 #define RT_DEBUG_IN_THREAD_CONTEXT
 #define RT_DEBUG_SCHEDULER_AVAILABLE(need_check)
diff --git a/include/rtdef.h b/include/rtdef.h
index 1f0610cbcd..39441a2dcf 100644
--- a/include/rtdef.h
+++ b/include/rtdef.h
@@ -270,7 +270,7 @@ typedef __gnuc_va_list              va_list;
 typedef int (*init_fn_t)(void);
 #ifdef _MSC_VER
 #pragma section("rti_fn$f",read)
-    #if RT_DEBUG_INIT
+    #ifdef RT_DEBUG_INIT
         struct rt_init_desc
         {
             const char* level;
@@ -296,7 +296,7 @@ typedef int (*init_fn_t)(void);
                                 {__rti_level_##fn, fn };
     #endif
 #else
-    #if RT_DEBUG_INIT
+    #ifdef RT_DEBUG_INIT
         struct rt_init_desc
         {
             const char* fn_name;
diff --git a/libcpu/sim/win32/startup.c b/libcpu/sim/win32/startup.c
index 18ef2c997d..583b93205b 100644
--- a/libcpu/sim/win32/startup.c
+++ b/libcpu/sim/win32/startup.c
@@ -81,7 +81,7 @@ struct rt_init_tag
 {
     const char *level;
     init_fn_t fn;
-#if RT_DEBUG_INIT
+#ifdef RT_DEBUG_INIT
     const char *fn_name;
 #endif
 };
@@ -114,7 +114,7 @@ static int rt_init_objects_sort(void)
         {
             table->level = ((struct rt_init_desc *)ptr_begin)->level;
             table->fn = ((struct rt_init_desc *)ptr_begin)->fn;
-#if RT_DEBUG_INIT
+#ifdef RT_DEBUG_INIT
             table->fn_name = ((struct rt_init_desc *)ptr_begin)->fn_name;
 #endif
             ptr_begin += sizeof(struct rt_init_desc) / sizeof(unsigned int);
@@ -168,7 +168,7 @@ void rt_components_board_init(void)
             {
                 break;
             }
-#if RT_DEBUG_INIT
+#ifdef RT_DEBUG_INIT
             rt_kprintf("initialize %s", rt_init_table[index_i].fn_name);
             result = rt_init_table[index_i].fn();
             rt_kprintf(":%d done\n", result);
@@ -203,7 +203,7 @@ void rt_components_init(void)
             {
                 break;
             }
-#if RT_DEBUG_INIT
+#ifdef RT_DEBUG_INIT
             rt_kprintf("initialize %s", rt_init_table[index_i].fn_name);
             result = rt_init_table[index_i].fn();
             rt_kprintf(":%d done\n", result);
diff --git a/libcpu/ti-dsp/c28x/cpuport.c b/libcpu/ti-dsp/c28x/cpuport.c
index 069449c1dc..f282744dac 100644
--- a/libcpu/ti-dsp/c28x/cpuport.c
+++ b/libcpu/ti-dsp/c28x/cpuport.c
@@ -13,6 +13,14 @@
 
 #include <rthw.h>
 
+#define DBG_TAG           "kernel.irq"
+#ifdef RT_DEBUG_IRQ
+#define DBG_LVL           DBG_LOG
+#else
+#define DBG_LVL           DBG_WARNING
+#endif /* defined (RT_DEBUG_IRQ) */
+#include <rtdbg.h>
+
 extern volatile rt_uint8_t rt_interrupt_nest;
 
 /* exception and interrupt handler table */
@@ -174,14 +182,14 @@ void rt_interrupt_enter(void)
     RT_OBJECT_HOOK_CALL(rt_interrupt_enter_hook,());
     rt_hw_interrupt_enable(level);
 
-    RT_DEBUG_LOG(RT_DEBUG_IRQ, ("irq has come..., irq current nest:%d\n",
-                                (rt_int32_t)rt_interrupt_nest));
+    LOG_D("irq has come..., irq current nest:%d",
+          (rt_int32_t)rt_interrupt_nest);
 }
 
 void rt_interrupt_leave(void)
 {
-    RT_DEBUG_LOG(RT_DEBUG_IRQ, ("irq is going to leave, irq current nest:%d\n",
-                                (rt_int32_t)rt_interrupt_nest));
+    LOG_D("irq is going to leave, irq current nest:%d",
+          (rt_int32_t)rt_interrupt_nest);
 
     rt_hw_interrupt_disable();
     RT_OBJECT_HOOK_CALL(rt_interrupt_leave_hook,());
diff --git a/src/Kconfig b/src/Kconfig
index f88f806f74..bcb58f1dee 100644
--- a/src/Kconfig
+++ b/src/Kconfig
@@ -207,92 +207,52 @@ if RT_DEBUG
         bool "Enable color debugging log"
         default n
 
-    config RT_DEBUG_INIT_CONFIG
+    config RT_DEBUG_INIT
         bool "Enable debugging of components initialization"
         default n
 
-    config RT_DEBUG_INIT
-        int
-        default 1 if RT_DEBUG_INIT_CONFIG
-
-    config RT_DEBUG_THREAD_CONFIG
+    config RT_DEBUG_THREAD
         bool "Enable debugging of Thread State Changes"
         default n
 
-    config RT_DEBUG_THREAD
-        int
-        default 1 if RT_DEBUG_THREAD_CONFIG
-
-    config RT_DEBUG_SCHEDULER_CONFIG
+    config RT_DEBUG_SCHEDULER
         bool "Enable debugging of Scheduler"
         default n
 
-    config RT_DEBUG_SCHEDULER
-        int
-        default 1 if RT_DEBUG_SCHEDULER_CONFIG
-
-    config RT_DEBUG_IPC_CONFIG
+    config RT_DEBUG_IPC
         bool "Enable debugging of IPC"
         default n
 
-    config RT_DEBUG_IPC
-        int
-        default 1 if RT_DEBUG_IPC_CONFIG
-
-    config RT_DEBUG_TIMER_CONFIG
+    config RT_DEBUG_TIMER
         bool "Enable debugging of Timer"
         default n
 
-    config RT_DEBUG_TIMER
-        int
-        default 1 if RT_DEBUG_TIMER_CONFIG
-
-    config RT_DEBUG_IRQ_CONFIG
+    config RT_DEBUG_IRQ
         bool "Enable debugging of IRQ(Interrupt Request)"
         default n
 
-    config RT_DEBUG_IRQ
-        int
-        default 1 if RT_DEBUG_IRQ_CONFIG
-
-    config RT_DEBUG_MEM_CONFIG
+    config RT_DEBUG_MEM
         bool "Enable debugging of Small Memory Algorithm"
         default n
 
-    config RT_DEBUG_MEM
-        int
-        default 1 if RT_DEBUG_MEM_CONFIG
-
-    config RT_DEBUG_SLAB_CONFIG
+    config RT_DEBUG_SLAB
         bool "Enable debugging of SLAB Memory Algorithm"
         default n
 
-    config RT_DEBUG_SLAB
-        int
-        default 1 if RT_DEBUG_SLAB_CONFIG
-
-    config RT_DEBUG_MEMHEAP_CONFIG
+    config RT_DEBUG_MEMHEAP
         bool "Enable debugging of Memory Heap Algorithm"
         default n
 
-    config RT_DEBUG_MEMHEAP
-        int
-        default 1 if RT_DEBUG_MEMHEAP_CONFIG
-
     if ARCH_MM_MMU
         config RT_DEBUG_PAGE_LEAK
             bool "Enable page leaking tracer"
             default n
     endif
 
-    config RT_DEBUG_MODULE_CONFIG
+    config RT_DEBUG_MODULE
         bool "Enable debugging of Application Module"
         default n
 
-    config RT_DEBUG_MODULE
-        int
-        default 1 if RT_DEBUG_MODULE_CONFIG
-
 endif
 
 menu "Inter-Thread communication"
diff --git a/src/components.c b/src/components.c
index 97ace80990..af74954d76 100644
--- a/src/components.c
+++ b/src/components.c
@@ -84,7 +84,7 @@ INIT_EXPORT(rti_end, "6.end");
  */
 void rt_components_board_init(void)
 {
-#if RT_DEBUG_INIT
+#ifdef RT_DEBUG_INIT
     int result;
     const struct rt_init_desc *desc;
     for (desc = &__rt_init_desc_rti_board_start; desc < &__rt_init_desc_rti_board_end; desc ++)
@@ -108,7 +108,7 @@ void rt_components_board_init(void)
  */
 void rt_components_init(void)
 {
-#if RT_DEBUG_INIT
+#ifdef RT_DEBUG_INIT
     int result;
     const struct rt_init_desc *desc;
 
diff --git a/src/ipc.c b/src/ipc.c
index 806400fa12..d97fa1d35a 100644
--- a/src/ipc.c
+++ b/src/ipc.c
@@ -50,6 +50,14 @@
 #include <rtthread.h>
 #include <rthw.h>
 
+#define DBG_TAG           "kernel.ipc"
+#ifdef RT_DEBUG_IPC
+#define DBG_LVL           DBG_LOG
+#else
+#define DBG_LVL           DBG_WARNING
+#endif /* defined (RT_DEBUG_IPC) */
+#include <rtdbg.h>
+
 #ifndef __on_rt_object_trytake_hook
     #define __on_rt_object_trytake_hook(parent)     __ON_HOOK_ARGS(rt_object_trytake_hook, (parent))
 #endif
@@ -211,7 +219,7 @@ rt_inline rt_err_t _ipc_list_resume(rt_list_t *list)
 
     thread->error = RT_EOK;
 
-    RT_DEBUG_LOG(RT_DEBUG_IPC, ("resume thread:%s\n", thread->parent.name));
+    LOG_D("resume thread:%s\n", thread->parent.name);
 
     /* resume it */
     rt_thread_resume(thread);
@@ -513,10 +521,10 @@ static rt_err_t _rt_sem_take(rt_sem_t sem, rt_int32_t timeout, int suspend_flag)
     /* disable interrupt */
     level = rt_hw_interrupt_disable();
 
-    RT_DEBUG_LOG(RT_DEBUG_IPC, ("thread %s take sem:%s, which value is: %d\n",
-                                rt_thread_self()->parent.name,
-                                sem->parent.parent.name,
-                                sem->value));
+    LOG_D("thread %s take sem:%s, which value is: %d",
+          rt_thread_self()->parent.name,
+          sem->parent.parent.name,
+          sem->value);
 
     if (sem->value > 0)
     {
@@ -544,7 +552,7 @@ static rt_err_t _rt_sem_take(rt_sem_t sem, rt_int32_t timeout, int suspend_flag)
             /* reset thread error number */
             thread->error = -RT_EINTR;
 
-            RT_DEBUG_LOG(RT_DEBUG_IPC, ("sem take: suspend thread - %s\n", thread->parent.name));
+            LOG_D("sem take: suspend thread - %s", thread->parent.name);
 
             /* suspend thread */
             ret = _ipc_list_suspend(&(sem->parent.suspend_thread),
@@ -560,7 +568,7 @@ static rt_err_t _rt_sem_take(rt_sem_t sem, rt_int32_t timeout, int suspend_flag)
             /* has waiting time, start thread timer */
             if (timeout > 0)
             {
-                RT_DEBUG_LOG(RT_DEBUG_IPC, ("set thread:%s to timer list\n", thread->parent.name));
+                LOG_D("set thread:%s to timer list", thread->parent.name);
 
                 /* reset the timeout of thread timer and start it */
                 rt_timer_control(&(thread->thread_timer),
@@ -654,10 +662,10 @@ rt_err_t rt_sem_release(rt_sem_t sem)
     /* disable interrupt */
     level = rt_hw_interrupt_disable();
 
-    RT_DEBUG_LOG(RT_DEBUG_IPC, ("thread %s releases sem:%s, which value is: %d\n",
-                                rt_thread_self()->parent.name,
-                                sem->parent.parent.name,
-                                sem->value));
+    LOG_D("thread %s releases sem:%s, which value is: %d",
+          rt_thread_self()->parent.name,
+          sem->parent.parent.name,
+          sem->value);
 
     if (!rt_list_isempty(&sem->parent.suspend_thread))
     {
@@ -788,8 +796,7 @@ rt_inline rt_uint8_t _thread_get_mutex_priority(struct rt_thread* thread)
 rt_inline void _thread_update_priority(struct rt_thread *thread, rt_uint8_t priority, int suspend_flag)
 {
     rt_err_t ret;
-    RT_DEBUG_LOG(RT_DEBUG_IPC,
-            ("thread:%s priority -> %d\n", thread->parent.name, priority));
+    LOG_D("thread:%s priority -> %d", thread->parent.name, priority);
 
     /* change priority of the thread */
     rt_thread_control(thread,
@@ -822,9 +829,8 @@ rt_inline void _thread_update_priority(struct rt_thread *thread, rt_uint8_t prio
             /* update priority */
             _mutex_update_priority(pending_mutex);
             /* change the priority of mutex owner thread */
-            RT_DEBUG_LOG(RT_DEBUG_IPC,
-                    ("mutex: %s priority -> %d\n", pending_mutex->parent.parent.name,
-                    pending_mutex->priority));
+            LOG_D("mutex: %s priority -> %d", pending_mutex->parent.parent.name,
+                    pending_mutex->priority);
 
             mutex_priority = _thread_get_mutex_priority(pending_mutex->owner);
             if (mutex_priority != pending_mutex->owner->current_priority)
@@ -1180,9 +1186,8 @@ static rt_err_t _rt_mutex_take(rt_mutex_t mutex, rt_int32_t timeout, int suspend
 
     RT_OBJECT_HOOK_CALL(rt_object_trytake_hook, (&(mutex->parent.parent)));
 
-    RT_DEBUG_LOG(RT_DEBUG_IPC,
-                 ("mutex_take: current thread %s, hold: %d\n",
-                  thread->parent.name, mutex->hold));
+    LOG_D("mutex_take: current thread %s, hold: %d",
+          thread->parent.name, mutex->hold);
 
     /* reset thread error */
     thread->error = RT_EOK;
@@ -1238,8 +1243,8 @@ static rt_err_t _rt_mutex_take(rt_mutex_t mutex, rt_int32_t timeout, int suspend
                 rt_uint8_t priority = thread->current_priority;
 
                 /* mutex is unavailable, push to suspend list */
-                RT_DEBUG_LOG(RT_DEBUG_IPC, ("mutex_take: suspend thread: %s\n",
-                                            thread->parent.name));
+                LOG_D("mutex_take: suspend thread: %s",
+                      thread->parent.name);
 
                 /* suspend current thread */
                 ret = _ipc_list_suspend(&(mutex->parent.suspend_thread),
@@ -1268,9 +1273,8 @@ static rt_err_t _rt_mutex_take(rt_mutex_t mutex, rt_int32_t timeout, int suspend
                 /* has waiting time, start thread timer */
                 if (timeout > 0)
                 {
-                    RT_DEBUG_LOG(RT_DEBUG_IPC,
-                                 ("mutex_take: start the timer of thread:%s\n",
-                                  thread->parent.name));
+                    LOG_D("mutex_take: start the timer of thread:%s",
+                          thread->parent.name);
 
                     /* reset the timeout of thread timer and start it */
                     rt_timer_control(&(thread->thread_timer),
@@ -1422,9 +1426,8 @@ rt_err_t rt_mutex_release(rt_mutex_t mutex)
     /* disable interrupt */
     level = rt_hw_interrupt_disable();
 
-    RT_DEBUG_LOG(RT_DEBUG_IPC,
-                 ("mutex_release:current thread %s, hold: %d\n",
-                  thread->parent.name, mutex->hold));
+    LOG_D("mutex_release:current thread %s, hold: %d",
+          thread->parent.name, mutex->hold);
 
     RT_OBJECT_HOOK_CALL(rt_object_put_hook, (&(mutex->parent.parent)));
 
@@ -1470,8 +1473,8 @@ rt_err_t rt_mutex_release(rt_mutex_t mutex)
                                    struct rt_thread,
                                    tlist);
 
-            RT_DEBUG_LOG(RT_DEBUG_IPC, ("mutex_release: resume thread: %s\n",
-                    next_thread->parent.name));
+            LOG_D("mutex_release: resume thread: %s",
+                  next_thread->parent.name);
 
             /* remove the thread from the suspended list of mutex */
             rt_list_remove(&(next_thread->tlist));
@@ -2417,8 +2420,8 @@ static rt_err_t _rt_mb_send_wait(rt_mailbox_t mb,
             /* get the start tick of timer */
             tick_delta = rt_tick_get();
 
-            RT_DEBUG_LOG(RT_DEBUG_IPC, ("mb_send_wait: start timer of thread:%s\n",
-                                        thread->parent.name));
+            LOG_D("mb_send_wait: start timer of thread:%s",
+                  thread->parent.name);
 
             /* reset the timeout of thread timer and start it */
             rt_timer_control(&(thread->thread_timer),
@@ -2711,8 +2714,8 @@ static rt_err_t _rt_mb_recv(rt_mailbox_t mb, rt_ubase_t *value, rt_int32_t timeo
             /* get the start tick of timer */
             tick_delta = rt_tick_get();
 
-            RT_DEBUG_LOG(RT_DEBUG_IPC, ("mb_recv: start timer of thread:%s\n",
-                                        thread->parent.name));
+            LOG_D("mb_recv: start timer of thread:%s",
+                  thread->parent.name);
 
             /* reset the timeout of thread timer and start it */
             rt_timer_control(&(thread->thread_timer),
@@ -3256,8 +3259,8 @@ static rt_err_t _rt_mq_send_wait(rt_mq_t mq,
             /* get the start tick of timer */
             tick_delta = rt_tick_get();
 
-            RT_DEBUG_LOG(RT_DEBUG_IPC, ("mq_send_wait: start timer of thread:%s\n",
-                                        thread->parent.name));
+            LOG_D("mq_send_wait: start timer of thread:%s",
+                  thread->parent.name);
 
             /* reset the timeout of thread timer and start it */
             rt_timer_control(&(thread->thread_timer),
@@ -3649,8 +3652,8 @@ static rt_ssize_t _rt_mq_recv(rt_mq_t mq,
             /* get the start tick of timer */
             tick_delta = rt_tick_get();
 
-            RT_DEBUG_LOG(RT_DEBUG_IPC, ("set thread:%s to timer list\n",
-                                        thread->parent.name));
+            LOG_D("set thread:%s to timer list",
+                  thread->parent.name);
 
             /* reset the timeout of thread timer and start it */
             rt_timer_control(&(thread->thread_timer),
diff --git a/src/irq.c b/src/irq.c
index 4d431b2194..b0b0c7a182 100644
--- a/src/irq.c
+++ b/src/irq.c
@@ -17,6 +17,14 @@
 #include <rthw.h>
 #include <rtthread.h>
 
+#define DBG_TAG           "kernel.irq"
+#ifdef RT_DEBUG_IRQ
+#define DBG_LVL           DBG_LOG
+#else
+#define DBG_LVL           DBG_WARNING
+#endif /* defined (RT_DEBUG_IRQ) */
+#include <rtdbg.h>
+
 #ifndef __on_rt_interrupt_enter_hook
     #define __on_rt_interrupt_enter_hook()          __ON_HOOK_ARGS(rt_interrupt_enter_hook, ())
 #endif
@@ -87,8 +95,8 @@ rt_weak void rt_interrupt_enter(void)
     RT_OBJECT_HOOK_CALL(rt_interrupt_enter_hook,());
     rt_hw_interrupt_enable(level);
 
-    RT_DEBUG_LOG(RT_DEBUG_IRQ, ("irq has come..., irq current nest:%d\n",
-                                (rt_int32_t)rt_interrupt_nest));
+    LOG_D("irq has come..., irq current nest:%d",
+          (rt_int32_t)rt_interrupt_nest);
 }
 RTM_EXPORT(rt_interrupt_enter);
 
@@ -104,8 +112,8 @@ rt_weak void rt_interrupt_leave(void)
 {
     rt_base_t level;
 
-    RT_DEBUG_LOG(RT_DEBUG_IRQ, ("irq is going to leave, irq current nest:%d\n",
-                                (rt_int32_t)rt_interrupt_nest));
+    LOG_D("irq is going to leave, irq current nest:%d",
+                 (rt_int32_t)rt_interrupt_nest);
 
     level = rt_hw_interrupt_disable();
     RT_OBJECT_HOOK_CALL(rt_interrupt_leave_hook,());
diff --git a/src/kservice.c b/src/kservice.c
index dddcdf6df3..7e750b52e1 100644
--- a/src/kservice.c
+++ b/src/kservice.c
@@ -29,6 +29,14 @@
 #include <rtthread.h>
 #include <rthw.h>
 
+#define DBG_TAG           "kernel.device"
+#ifdef RT_DEBUG_DEVICE
+#define DBG_LVL           DBG_LOG
+#else
+#define DBG_LVL           DBG_WARNING
+#endif /* defined (RT_DEBUG_DEVICE) */
+#include <rtdbg.h>
+
 #ifdef RT_USING_MODULE
 #include <dlmodule.h>
 #endif /* RT_USING_MODULE */
@@ -58,8 +66,8 @@ static rt_device_t _console_device = RT_NULL;
 rt_weak void rt_hw_us_delay(rt_uint32_t us)
 {
     (void) us;
-    RT_DEBUG_LOG(RT_DEBUG_DEVICE, ("rt_hw_us_delay() doesn't support for this board."
-        "Please consider implementing rt_hw_us_delay() in another file.\n"));
+    LOG_D("rt_hw_us_delay() doesn't support for this board."
+        "Please consider implementing rt_hw_us_delay() in another file.");
 }
 
 rt_weak const char *rt_hw_cpu_arch(void)
diff --git a/src/mem.c b/src/mem.c
index 6beede9f6e..8160d9ea58 100644
--- a/src/mem.c
+++ b/src/mem.c
@@ -54,6 +54,15 @@
  /**
   * memory item on the small mem
   */
+
+#define DBG_TAG           "kernel.mem"
+#ifdef RT_DEBUG_MEM
+#define DBG_LVL           DBG_LOG
+#else
+#define DBG_LVL           DBG_WARNING
+#endif /* defined (RT_DEBUG_MEM) */
+#include <rtdbg.h>
+
 struct rt_small_mem_item
 {
     rt_ubase_t              pool_ptr;         /**< small memory object addr */
@@ -213,8 +222,8 @@ rt_smem_t rt_smem_init(const char    *name,
     /* point to begin address of heap */
     small_mem->heap_ptr = (rt_uint8_t *)begin_align;
 
-    RT_DEBUG_LOG(RT_DEBUG_MEM, ("mem init, heap begin address 0x%x, size %d\n",
-                                (rt_ubase_t)small_mem->heap_ptr, small_mem->mem_size_aligned));
+    LOG_D("mem init, heap begin address 0x%x, size %d",
+            (rt_ubase_t)small_mem->heap_ptr, small_mem->mem_size_aligned);
 
     /* initialize the start of the heap */
     mem        = (struct rt_small_mem_item *)small_mem->heap_ptr;
@@ -290,12 +299,12 @@ void *rt_smem_alloc(rt_smem_t m, rt_size_t size)
 
     if (size != RT_ALIGN(size, RT_ALIGN_SIZE))
     {
-        RT_DEBUG_LOG(RT_DEBUG_MEM, ("malloc size %d, but align to %d\n",
-                                    size, RT_ALIGN(size, RT_ALIGN_SIZE)));
+        LOG_D("malloc size %d, but align to %d",
+                size, RT_ALIGN(size, RT_ALIGN_SIZE));
     }
     else
     {
-        RT_DEBUG_LOG(RT_DEBUG_MEM, ("malloc size %d\n", size));
+        LOG_D("malloc size %d", size);
     }
 
     small_mem = (struct rt_small_mem *)m;
@@ -308,7 +317,7 @@ void *rt_smem_alloc(rt_smem_t m, rt_size_t size)
 
     if (size > small_mem->mem_size_aligned)
     {
-        RT_DEBUG_LOG(RT_DEBUG_MEM, ("no memory\n"));
+        LOG_D("no memory");
 
         return RT_NULL;
     }
@@ -393,10 +402,9 @@ void *rt_smem_alloc(rt_smem_t m, rt_size_t size)
             RT_ASSERT((rt_ubase_t)((rt_uint8_t *)mem + SIZEOF_STRUCT_MEM) % RT_ALIGN_SIZE == 0);
             RT_ASSERT((((rt_ubase_t)mem) & (RT_ALIGN_SIZE - 1)) == 0);
 
-            RT_DEBUG_LOG(RT_DEBUG_MEM,
-                         ("allocate memory at 0x%x, size: %d\n",
-                          (rt_ubase_t)((rt_uint8_t *)mem + SIZEOF_STRUCT_MEM),
-                          (rt_ubase_t)(mem->next - ((rt_uint8_t *)mem - small_mem->heap_ptr))));
+            LOG_D("allocate memory at 0x%x, size: %d",
+                    (rt_ubase_t)((rt_uint8_t *)mem + SIZEOF_STRUCT_MEM),
+                    (rt_ubase_t)(mem->next - ((rt_uint8_t *)mem - small_mem->heap_ptr)));
 
             /* return the memory data except mem struct */
             return (rt_uint8_t *)mem + SIZEOF_STRUCT_MEM;
@@ -435,7 +443,7 @@ void *rt_smem_realloc(rt_smem_t m, void *rmem, rt_size_t newsize)
     newsize = RT_ALIGN(newsize, RT_ALIGN_SIZE);
     if (newsize > small_mem->mem_size_aligned)
     {
-        RT_DEBUG_LOG(RT_DEBUG_MEM, ("realloc: out of memory\n"));
+        LOG_D("realloc: out of memory");
 
         return RT_NULL;
     }
@@ -534,10 +542,9 @@ void rt_smem_free(void *rmem)
               (rt_uint8_t *)rmem < (rt_uint8_t *)small_mem->heap_end);
     RT_ASSERT(MEM_POOL(&small_mem->heap_ptr[mem->next]) == small_mem);
 
-    RT_DEBUG_LOG(RT_DEBUG_MEM,
-                 ("release memory 0x%x, size: %d\n",
-                  (rt_ubase_t)rmem,
-                  (rt_ubase_t)(mem->next - ((rt_uint8_t *)mem - small_mem->heap_ptr))));
+    LOG_D("release memory 0x%x, size: %d",
+            (rt_ubase_t)rmem,
+            (rt_ubase_t)(mem->next - ((rt_uint8_t *)mem - small_mem->heap_ptr)));
 
     /* ... and is now unused. */
     mem->pool_ptr = MEM_FREED();
diff --git a/src/memheap.c b/src/memheap.c
index 0df9ed41ed..067523bb93 100644
--- a/src/memheap.c
+++ b/src/memheap.c
@@ -26,6 +26,14 @@
 
 #ifdef RT_USING_MEMHEAP
 
+#define DBG_TAG           "kernel.memheap"
+#ifdef RT_DEBUG_MEMHEAP
+#define DBG_LVL           DBG_LOG
+#else
+#define DBG_LVL           DBG_WARNING
+#endif /* defined (RT_DEBUG_MEM) */
+#include <rtdbg.h>
+
 /* dynamic pool magic and mask */
 #define RT_MEMHEAP_MAGIC        0x1ea01ea0
 #define RT_MEMHEAP_MASK         0xFFFFFFFE
@@ -143,9 +151,8 @@ rt_err_t rt_memheap_init(struct rt_memheap *memheap,
     rt_sem_init(&(memheap->lock), name, 1, RT_IPC_FLAG_PRIO);
     memheap->locked = RT_FALSE;
 
-    RT_DEBUG_LOG(RT_DEBUG_MEMHEAP,
-                 ("memory heap: start addr 0x%08x, size %d, free list header 0x%08x\n",
-                  start_addr, size, &(memheap->free_header)));
+    LOG_D("memory heap: start addr 0x%08x, size %d, free list header 0x%08x",
+          start_addr, size, &(memheap->free_header));
 
     return RT_EOK;
 }
@@ -195,8 +202,8 @@ void *rt_memheap_alloc(struct rt_memheap *heap, rt_size_t size)
     if (size < RT_MEMHEAP_MINIALLOC)
         size = RT_MEMHEAP_MINIALLOC;
 
-    RT_DEBUG_LOG(RT_DEBUG_MEMHEAP, ("allocate %d on heap:%8.*s",
-                                    size, RT_NAME_MAX, heap->parent.name));
+    LOG_D("allocate %d on heap:%8.*s",
+          size, RT_NAME_MAX, heap->parent.name);
 
     if (size < heap->available_size)
     {
@@ -242,12 +249,11 @@ void *rt_memheap_alloc(struct rt_memheap *heap, rt_size_t size)
                 new_ptr = (struct rt_memheap_item *)
                           (((rt_uint8_t *)header_ptr) + size + RT_MEMHEAP_SIZE);
 
-                RT_DEBUG_LOG(RT_DEBUG_MEMHEAP,
-                             ("split: block[0x%08x] nextm[0x%08x] prevm[0x%08x] to new[0x%08x]\n",
-                              header_ptr,
-                              header_ptr->next,
-                              header_ptr->prev,
-                              new_ptr));
+                LOG_D("split: block[0x%08x] nextm[0x%08x] prevm[0x%08x] to new[0x%08x]",
+                      header_ptr,
+                      header_ptr->next,
+                      header_ptr->prev,
+                      new_ptr);
 
                 /* mark the new block as a memory block and freed. */
                 new_ptr->magic = (RT_MEMHEAP_MAGIC | RT_MEMHEAP_FREED);
@@ -276,9 +282,9 @@ void *rt_memheap_alloc(struct rt_memheap *heap, rt_size_t size)
                 new_ptr->prev_free = heap->free_list;
                 heap->free_list->next_free->prev_free = new_ptr;
                 heap->free_list->next_free            = new_ptr;
-                RT_DEBUG_LOG(RT_DEBUG_MEMHEAP, ("new ptr: next_free 0x%08x, prev_free 0x%08x\n",
-                                                new_ptr->next_free,
-                                                new_ptr->prev_free));
+                LOG_D("new ptr: next_free 0x%08x, prev_free 0x%08x",
+                      new_ptr->next_free,
+                      new_ptr->prev_free);
 
                 /* decrement the available byte count.  */
                 heap->available_size = heap->available_size -
@@ -295,11 +301,10 @@ void *rt_memheap_alloc(struct rt_memheap *heap, rt_size_t size)
                     heap->max_used_size = heap->pool_size - heap->available_size;
 
                 /* remove header_ptr from free list */
-                RT_DEBUG_LOG(RT_DEBUG_MEMHEAP,
-                             ("one block: block[0x%08x], next_free 0x%08x, prev_free 0x%08x\n",
-                              header_ptr,
-                              header_ptr->next_free,
-                              header_ptr->prev_free));
+                LOG_D("one block: block[0x%08x], next_free 0x%08x, prev_free 0x%08x",
+                      header_ptr,
+                      header_ptr->next_free,
+                      header_ptr->prev_free);
 
                 header_ptr->next_free->prev_free = header_ptr->prev_free;
                 header_ptr->prev_free->next_free = header_ptr->next_free;
@@ -324,11 +329,10 @@ void *rt_memheap_alloc(struct rt_memheap *heap, rt_size_t size)
             }
 
             /* Return a memory address to the caller.  */
-            RT_DEBUG_LOG(RT_DEBUG_MEMHEAP,
-                         ("alloc mem: memory[0x%08x], heap[0x%08x], size: %d\n",
-                          (void *)((rt_uint8_t *)header_ptr + RT_MEMHEAP_SIZE),
-                          header_ptr,
-                          size));
+            LOG_D("alloc mem: memory[0x%08x], heap[0x%08x], size: %d",
+                  (void *)((rt_uint8_t *)header_ptr + RT_MEMHEAP_SIZE),
+                  header_ptr,
+                  size);
 
             return (void *)((rt_uint8_t *)header_ptr + RT_MEMHEAP_SIZE);
         }
@@ -340,7 +344,7 @@ void *rt_memheap_alloc(struct rt_memheap *heap, rt_size_t size)
         }
     }
 
-    RT_DEBUG_LOG(RT_DEBUG_MEMHEAP, ("allocate memory: failed\n"));
+    LOG_D("allocate memory: failed");
 
     /* Return the completion status.  */
     return RT_NULL;
@@ -436,22 +440,20 @@ void *rt_memheap_realloc(struct rt_memheap *heap, void *ptr, rt_size_t newsize)
                     heap->max_used_size = heap->pool_size - heap->available_size;
 
                 /* remove next_ptr from free list */
-                RT_DEBUG_LOG(RT_DEBUG_MEMHEAP,
-                             ("remove block: block[0x%08x], next_free 0x%08x, prev_free 0x%08x",
-                              next_ptr,
-                              next_ptr->next_free,
-                              next_ptr->prev_free));
+                LOG_D("remove block: block[0x%08x], next_free 0x%08x, prev_free 0x%08x",
+                      next_ptr,
+                      next_ptr->next_free,
+                      next_ptr->prev_free);
 
                 _remove_next_ptr(next_ptr);
 
                 /* build a new one on the right place */
                 next_ptr = (struct rt_memheap_item *)((char *)ptr + newsize);
 
-                RT_DEBUG_LOG(RT_DEBUG_MEMHEAP,
-                             ("new free block: block[0x%08x] nextm[0x%08x] prevm[0x%08x]",
-                              next_ptr,
-                              next_ptr->next,
-                              next_ptr->prev));
+                LOG_D("new free block: block[0x%08x] nextm[0x%08x] prevm[0x%08x]",
+                      next_ptr,
+                      next_ptr->next,
+                      next_ptr->prev);
 
                 /* mark the new block as a memory block and freed. */
                 next_ptr->magic = (RT_MEMHEAP_MAGIC | RT_MEMHEAP_FREED);
@@ -473,9 +475,9 @@ void *rt_memheap_realloc(struct rt_memheap *heap, void *ptr, rt_size_t newsize)
                 next_ptr->prev_free = heap->free_list;
                 heap->free_list->next_free->prev_free = (struct rt_memheap_item *)next_ptr;
                 heap->free_list->next_free            = (struct rt_memheap_item *)next_ptr;
-                RT_DEBUG_LOG(RT_DEBUG_MEMHEAP, ("new ptr: next_free 0x%08x, prev_free 0x%08x",
-                                                next_ptr->next_free,
-                                                next_ptr->prev_free));
+                LOG_D("new ptr: next_free 0x%08x, prev_free 0x%08x",
+                      next_ptr->next_free,
+                      next_ptr->prev_free);
                 if (heap->locked == RT_FALSE)
                 {
                     /* release lock */
@@ -523,12 +525,11 @@ void *rt_memheap_realloc(struct rt_memheap *heap, void *ptr, rt_size_t newsize)
     new_ptr = (struct rt_memheap_item *)
               (((rt_uint8_t *)header_ptr) + newsize + RT_MEMHEAP_SIZE);
 
-    RT_DEBUG_LOG(RT_DEBUG_MEMHEAP,
-                 ("split: block[0x%08x] nextm[0x%08x] prevm[0x%08x] to new[0x%08x]\n",
-                  header_ptr,
-                  header_ptr->next,
-                  header_ptr->prev,
-                  new_ptr));
+    LOG_D("split: block[0x%08x] nextm[0x%08x] prevm[0x%08x] to new[0x%08x]",
+          header_ptr,
+          header_ptr->next,
+          header_ptr->prev,
+          new_ptr);
 
     /* mark the new block as a memory block and freed. */
     new_ptr->magic = (RT_MEMHEAP_MAGIC | RT_MEMHEAP_FREED);
@@ -554,9 +555,8 @@ void *rt_memheap_realloc(struct rt_memheap *heap, void *ptr, rt_size_t newsize)
         free_ptr = new_ptr->next;
         heap->available_size = heap->available_size - MEMITEM_SIZE(free_ptr);
 
-        RT_DEBUG_LOG(RT_DEBUG_MEMHEAP,
-                     ("merge: right node 0x%08x, next_free 0x%08x, prev_free 0x%08x\n",
-                      header_ptr, header_ptr->next_free, header_ptr->prev_free));
+        LOG_D("merge: right node 0x%08x, next_free 0x%08x, prev_free 0x%08x",
+              header_ptr, header_ptr->next_free, header_ptr->prev_free);
 
         free_ptr->next->prev = new_ptr;
         new_ptr->next   = free_ptr->next;
@@ -571,9 +571,9 @@ void *rt_memheap_realloc(struct rt_memheap *heap, void *ptr, rt_size_t newsize)
     new_ptr->prev_free = heap->free_list;
     heap->free_list->next_free->prev_free = new_ptr;
     heap->free_list->next_free            = new_ptr;
-    RT_DEBUG_LOG(RT_DEBUG_MEMHEAP, ("new free ptr: next_free 0x%08x, prev_free 0x%08x\n",
-                                    new_ptr->next_free,
-                                    new_ptr->prev_free));
+    LOG_D("new free ptr: next_free 0x%08x, prev_free 0x%08x",
+          new_ptr->next_free,
+          new_ptr->prev_free);
 
     /* increment the available byte count.  */
     heap->available_size = heap->available_size + MEMITEM_SIZE(new_ptr);
@@ -611,15 +611,15 @@ void rt_memheap_free(void *ptr)
     header_ptr    = (struct rt_memheap_item *)
                     ((rt_uint8_t *)ptr - RT_MEMHEAP_SIZE);
 
-    RT_DEBUG_LOG(RT_DEBUG_MEMHEAP, ("free memory: memory[0x%08x], block[0x%08x]\n",
-                                    ptr, header_ptr));
+    LOG_D("free memory: memory[0x%08x], block[0x%08x]",
+          ptr, header_ptr);
 
     /* check magic */
     if (header_ptr->magic != (RT_MEMHEAP_MAGIC | RT_MEMHEAP_USED) ||
        (header_ptr->next->magic & RT_MEMHEAP_MASK) != RT_MEMHEAP_MAGIC)
     {
-        RT_DEBUG_LOG(RT_DEBUG_MEMHEAP, ("bad magic:0x%08x @ memheap\n",
-                                        header_ptr->magic));
+        LOG_D("bad magic:0x%08x @ memheap",
+              header_ptr->magic);
         RT_ASSERT(header_ptr->magic == (RT_MEMHEAP_MAGIC | RT_MEMHEAP_USED));
         /* check whether this block of memory has been over-written. */
         RT_ASSERT((header_ptr->next->magic & RT_MEMHEAP_MASK) == RT_MEMHEAP_MAGIC);
@@ -651,8 +651,8 @@ void rt_memheap_free(void *ptr)
     /* Determine if the block can be merged with the previous neighbor. */
     if (!RT_MEMHEAP_IS_USED(header_ptr->prev))
     {
-        RT_DEBUG_LOG(RT_DEBUG_MEMHEAP, ("merge: left node 0x%08x\n",
-                                        header_ptr->prev));
+        LOG_D("merge: left node 0x%08x",
+              header_ptr->prev);
 
         /* adjust the available number of bytes. */
         heap->available_size += RT_MEMHEAP_SIZE;
@@ -676,9 +676,8 @@ void rt_memheap_free(void *ptr)
         /* merge block with next neighbor. */
         new_ptr = header_ptr->next;
 
-        RT_DEBUG_LOG(RT_DEBUG_MEMHEAP,
-                     ("merge: right node 0x%08x, next_free 0x%08x, prev_free 0x%08x\n",
-                      new_ptr, new_ptr->next_free, new_ptr->prev_free));
+        LOG_D("merge: right node 0x%08x, next_free 0x%08x, prev_free 0x%08x",
+              new_ptr, new_ptr->next_free, new_ptr->prev_free);
 
         new_ptr->next->prev = header_ptr;
         header_ptr->next    = new_ptr->next;
@@ -708,9 +707,8 @@ void rt_memheap_free(void *ptr)
         n->prev_free->next_free = header_ptr;
         n->prev_free = header_ptr;
 
-        RT_DEBUG_LOG(RT_DEBUG_MEMHEAP,
-                     ("insert to free list: next_free 0x%08x, prev_free 0x%08x\n",
-                      header_ptr->next_free, header_ptr->prev_free));
+        LOG_D("insert to free list: next_free 0x%08x, prev_free 0x%08x",
+              header_ptr->next_free, header_ptr->prev_free);
     }
 
 #ifdef RT_USING_MEMTRACE
diff --git a/src/scheduler_mp.c b/src/scheduler_mp.c
index 243cfd8dbe..a1f9912193 100644
--- a/src/scheduler_mp.c
+++ b/src/scheduler_mp.c
@@ -34,6 +34,14 @@
 #include <rtthread.h>
 #include <rthw.h>
 
+#define DBG_TAG           "kernel.scheduler"
+#ifdef RT_DEBUG_SCHEDULER
+#define DBG_LVL           DBG_LOG
+#else
+#define DBG_LVL           DBG_WARNING
+#endif /* defined (RT_DEBUG_SCHEDULER) */
+#include <rtdbg.h>
+
 rt_list_t rt_thread_priority_table[RT_THREAD_PRIORITY_MAX];
 rt_uint32_t rt_thread_ready_priority_group;
 #if RT_THREAD_PRIORITY_MAX > 32
@@ -180,8 +188,8 @@ void rt_system_scheduler_init(void)
     int cpu;
     rt_base_t offset;
 
-    RT_DEBUG_LOG(RT_DEBUG_SCHEDULER, ("start scheduler: max priority 0x%02x\n",
-                                      RT_THREAD_PRIORITY_MAX));
+    LOG_D("start scheduler: max priority 0x%02x",
+          RT_THREAD_PRIORITY_MAX);
 
     for (offset = 0; offset < RT_THREAD_PRIORITY_MAX; offset ++)
     {
@@ -345,13 +353,12 @@ void rt_schedule(void)
                 to_thread->stat = RT_THREAD_RUNNING | (to_thread->stat & ~RT_THREAD_STAT_MASK);
 
                 /* switch to new thread */
-                RT_DEBUG_LOG(RT_DEBUG_SCHEDULER,
-                        ("[%d]switch to priority#%d "
+                LOG_D("[%d]switch to priority#%d "
                          "thread:%.*s(sp:0x%08x), "
-                         "from thread:%.*s(sp: 0x%08x)\n",
+                         "from thread:%.*s(sp: 0x%08x)",
                          pcpu->irq_nest, highest_ready_priority,
                          RT_NAME_MAX, to_thread->parent.name, to_thread->sp,
-                         RT_NAME_MAX, current_thread->parent.name, current_thread->sp));
+                         RT_NAME_MAX, current_thread->parent.name, current_thread->sp);
 
 #ifdef RT_USING_OVERFLOW_CHECK
                 _scheduler_stack_check(to_thread);
@@ -482,7 +489,7 @@ void rt_scheduler_do_irq_switch(void *context)
 #ifdef RT_USING_OVERFLOW_CHECK
                 _scheduler_stack_check(to_thread);
 #endif /* RT_USING_OVERFLOW_CHECK */
-                RT_DEBUG_LOG(RT_DEBUG_SCHEDULER, ("switch in interrupt\n"));
+                LOG_D("switch in interrupt");
 
                 RT_ASSERT(current_thread->cpus_lock_nest > 0);
                 current_thread->cpus_lock_nest--;
@@ -584,8 +591,8 @@ void rt_schedule_insert_thread(struct rt_thread *thread)
         }
     }
 
-    RT_DEBUG_LOG(RT_DEBUG_SCHEDULER, ("insert thread[%.*s], the priority: %d\n",
-                                      RT_NAME_MAX, thread->parent.name, thread->current_priority));
+    LOG_D("insert thread[%.*s], the priority: %d",
+          RT_NAME_MAX, thread->parent.name, thread->current_priority);
 
 __exit:
     /* enable interrupt */
@@ -608,9 +615,9 @@ void rt_schedule_remove_thread(struct rt_thread *thread)
     /* disable interrupt */
     level = rt_hw_interrupt_disable();
 
-    RT_DEBUG_LOG(RT_DEBUG_SCHEDULER, ("remove thread[%.*s], the priority: %d\n",
-                                      RT_NAME_MAX, thread->parent.name,
-                                      thread->current_priority));
+    LOG_D("remove thread[%.*s], the priority: %d",
+          RT_NAME_MAX, thread->parent.name,
+          thread->current_priority);
 
     /* remove thread from ready list */
     rt_list_remove(&(thread->tlist));
diff --git a/src/scheduler_up.c b/src/scheduler_up.c
index 4c96089e34..ab4c0e977a 100644
--- a/src/scheduler_up.c
+++ b/src/scheduler_up.c
@@ -34,6 +34,14 @@
 #include <rtthread.h>
 #include <rthw.h>
 
+#define DBG_TAG           "kernel.scheduler"
+#ifdef RT_DEBUG_SCHEDULER
+#define DBG_LVL           DBG_LOG
+#else
+#define DBG_LVL           DBG_WARNING
+#endif /* defined (RT_DEBUG_SCHEDULER) */
+#include <rtdbg.h>
+
 rt_list_t rt_thread_priority_table[RT_THREAD_PRIORITY_MAX];
 rt_uint32_t rt_thread_ready_priority_group;
 #if RT_THREAD_PRIORITY_MAX > 32
@@ -170,8 +178,8 @@ void rt_system_scheduler_init(void)
     rt_base_t offset;
     rt_scheduler_lock_nest = 0;
 
-    RT_DEBUG_LOG(RT_DEBUG_SCHEDULER, ("start scheduler: max priority 0x%02x\n",
-                                      RT_THREAD_PRIORITY_MAX));
+    LOG_D("start scheduler: max priority 0x%02x",
+          RT_THREAD_PRIORITY_MAX);
 
     for (offset = 0; offset < RT_THREAD_PRIORITY_MAX; offset ++)
     {
@@ -277,13 +285,12 @@ void rt_schedule(void)
                 to_thread->stat = RT_THREAD_RUNNING | (to_thread->stat & ~RT_THREAD_STAT_MASK);
 
                 /* switch to new thread */
-                RT_DEBUG_LOG(RT_DEBUG_SCHEDULER,
-                        ("[%d]switch to priority#%d "
+                LOG_D("[%d]switch to priority#%d "
                          "thread:%.*s(sp:0x%08x), "
-                         "from thread:%.*s(sp: 0x%08x)\n",
+                         "from thread:%.*s(sp: 0x%08x)",
                          rt_interrupt_nest, highest_ready_priority,
                          RT_NAME_MAX, to_thread->parent.name, to_thread->sp,
-                         RT_NAME_MAX, from_thread->parent.name, from_thread->sp));
+                         RT_NAME_MAX, from_thread->parent.name, from_thread->sp);
 
 #ifdef RT_USING_OVERFLOW_CHECK
                 _scheduler_stack_check(to_thread);
@@ -324,7 +331,7 @@ void rt_schedule(void)
                 }
                 else
                 {
-                    RT_DEBUG_LOG(RT_DEBUG_SCHEDULER, ("switch in interrupt\n"));
+                    LOG_D("switch in interrupt");
 
                     rt_hw_context_switch_interrupt((rt_ubase_t)&from_thread->sp,
                             (rt_ubase_t)&to_thread->sp, from_thread, to_thread);
@@ -384,8 +391,8 @@ void rt_schedule_insert_thread(struct rt_thread *thread)
                               &(thread->tlist));
     }
 
-    RT_DEBUG_LOG(RT_DEBUG_SCHEDULER, ("insert thread[%.*s], the priority: %d\n",
-                                      RT_NAME_MAX, thread->parent.name, thread->current_priority));
+    LOG_D("insert thread[%.*s], the priority: %d",
+          RT_NAME_MAX, thread->parent.name, thread->current_priority);
 
     /* set priority mask */
 #if RT_THREAD_PRIORITY_MAX > 32
@@ -414,9 +421,9 @@ void rt_schedule_remove_thread(struct rt_thread *thread)
     /* disable interrupt */
     level = rt_hw_interrupt_disable();
 
-    RT_DEBUG_LOG(RT_DEBUG_SCHEDULER, ("remove thread[%.*s], the priority: %d\n",
-                                      RT_NAME_MAX, thread->parent.name,
-                                      thread->current_priority));
+    LOG_D("remove thread[%.*s], the priority: %d",
+          RT_NAME_MAX, thread->parent.name,
+          thread->current_priority);
 
     /* remove thread from ready list */
     rt_list_remove(&(thread->tlist));
diff --git a/src/slab.c b/src/slab.c
index e883a9de9b..c026dde982 100644
--- a/src/slab.c
+++ b/src/slab.c
@@ -56,6 +56,15 @@
 #include <rtthread.h>
 
 #if defined (RT_USING_SLAB)
+
+#define DBG_TAG           "kernel.slab"
+#ifdef RT_DEBUG_SLAB
+#define DBG_LVL           DBG_LOG
+#else
+#define DBG_LVL           DBG_WARNING
+#endif /* defined (RT_DEBUG_SLAB) */
+#include <rtdbg.h>
+
 /*
  * slab allocator implementation
  *
@@ -336,8 +345,8 @@ rt_slab_t rt_slab_init(const char *name, void *begin_addr, rt_size_t size)
 
     limsize = end_align - begin_align;
     npages  = limsize / RT_MM_PAGE_SIZE;
-    RT_DEBUG_LOG(RT_DEBUG_SLAB, ("heap[0x%x - 0x%x], size 0x%x, 0x%x pages\n",
-                                begin_align, end_align, limsize, npages));
+    LOG_D("heap[0x%x - 0x%x], size 0x%x, 0x%x pages",
+          begin_align, end_align, limsize, npages);
 
     rt_memset(slab, 0, sizeof(*slab));
     /* initialize slab memory object */
@@ -364,16 +373,16 @@ rt_slab_t rt_slab_init(const char *name, void *begin_addr, rt_size_t size)
 
     slab->zone_page_cnt = slab->zone_size / RT_MM_PAGE_SIZE;
 
-    RT_DEBUG_LOG(RT_DEBUG_SLAB, ("zone size 0x%x, zone page count 0x%x\n",
-                                 slab->zone_size, slab->zone_page_cnt));
+    LOG_D("zone size 0x%x, zone page count 0x%x",
+          slab->zone_size, slab->zone_page_cnt);
 
     /* allocate slab->memusage array */
     limsize  = npages * sizeof(struct rt_slab_memusage);
     limsize  = RT_ALIGN(limsize, RT_MM_PAGE_SIZE);
     slab->memusage = rt_slab_page_alloc((rt_slab_t)(&slab->parent), limsize / RT_MM_PAGE_SIZE);
 
-    RT_DEBUG_LOG(RT_DEBUG_SLAB, ("slab->memusage 0x%x, size 0x%x\n",
-                                 (rt_ubase_t)slab->memusage, limsize));
+    LOG_D("slab->memusage 0x%x, size 0x%x",
+          (rt_ubase_t)slab->memusage, limsize);
     return &slab->parent;
 }
 RTM_EXPORT(rt_slab_init);
@@ -511,11 +520,10 @@ void *rt_slab_alloc(rt_slab_t m, rt_size_t size)
         kup->type = PAGE_TYPE_LARGE;
         kup->size = size >> RT_MM_PAGE_BITS;
 
-        RT_DEBUG_LOG(RT_DEBUG_SLAB,
-                     ("alloc a large memory 0x%x, page cnt %d, kup %d\n",
-                      size,
-                      size >> RT_MM_PAGE_BITS,
-                      ((rt_ubase_t)chunk - slab->heap_start) >> RT_MM_PAGE_BITS));
+        LOG_D("alloc a large memory 0x%x, page cnt %d, kup %d",
+              size,
+              size >> RT_MM_PAGE_BITS,
+              ((rt_ubase_t)chunk - slab->heap_start) >> RT_MM_PAGE_BITS);
         /* mem stat */
         slab->parent.used += size;
         if (slab->parent.used > slab->parent.max)
@@ -534,7 +542,7 @@ void *rt_slab_alloc(rt_slab_t m, rt_size_t size)
     zi = zoneindex(&size);
     RT_ASSERT(zi < RT_SLAB_NZONES);
 
-    RT_DEBUG_LOG(RT_DEBUG_SLAB, ("try to alloc 0x%x on zone: %d\n", size, zi));
+    LOG_D("try to alloc 0x%x on zone: %d", size, zi);
 
     if ((z = slab->zone_array[zi]) != RT_NULL)
     {
@@ -600,8 +608,8 @@ void *rt_slab_alloc(rt_slab_t m, rt_size_t size)
                 return RT_NULL;
             }
 
-            RT_DEBUG_LOG(RT_DEBUG_SLAB, ("alloc a new zone: 0x%x\n",
-                                         (rt_ubase_t)z));
+            LOG_D("alloc a new zone: 0x%x",
+                  (rt_ubase_t)z);
 
             /* set message usage */
             for (off = 0, kup = btokup(z); off < slab->zone_page_cnt; off ++)
@@ -743,14 +751,13 @@ void rt_slab_free(rt_slab_t m, void *ptr)
         return ;
 
     /* get memory usage */
-#if RT_DEBUG_SLAB
+#ifdef RT_DEBUG_SLAB
     {
         rt_ubase_t addr = ((rt_ubase_t)ptr & ~RT_MM_PAGE_MASK);
-        RT_DEBUG_LOG(RT_DEBUG_SLAB,
-                     ("free a memory 0x%x and align to 0x%x, kup index %d\n",
-                      (rt_ubase_t)ptr,
-                      (rt_ubase_t)addr,
-                      ((rt_ubase_t)(addr) - slab->heap_start) >> RT_MM_PAGE_BITS));
+        LOG_D("free a memory 0x%x and align to 0x%x, kup index %d",
+              (rt_ubase_t)ptr,
+              (rt_ubase_t)addr,
+              ((rt_ubase_t)(addr) - slab->heap_start) >> RT_MM_PAGE_BITS);
     }
 #endif /* RT_DEBUG_SLAB */
 
@@ -766,9 +773,8 @@ void rt_slab_free(rt_slab_t m, void *ptr)
         /* mem stats */
         slab->parent.used -= size * RT_MM_PAGE_SIZE;
 
-        RT_DEBUG_LOG(RT_DEBUG_SLAB,
-                     ("free large memory block 0x%x, page count %d\n",
-                      (rt_ubase_t)ptr, size));
+        LOG_D("free large memory block 0x%x, page count %d",
+              (rt_ubase_t)ptr, size);
 
         /* free this page */
         rt_slab_page_free(m, ptr, size);
@@ -808,8 +814,8 @@ void rt_slab_free(rt_slab_t m, void *ptr)
     {
         struct rt_slab_zone **pz;
 
-        RT_DEBUG_LOG(RT_DEBUG_SLAB, ("free zone 0x%x\n",
-                                     (rt_ubase_t)z, z->z_zoneindex));
+        LOG_D("free zone 0x%x",
+              (rt_ubase_t)z, z->z_zoneindex);
 
         /* remove zone from zone array list */
         for (pz = &slab->zone_array[z->z_zoneindex]; z != *pz; pz = &(*pz)->z_next)
diff --git a/src/thread.c b/src/thread.c
index ad82a13550..57b922894b 100644
--- a/src/thread.c
+++ b/src/thread.c
@@ -38,6 +38,14 @@
 #include <rtthread.h>
 #include <stddef.h>
 
+#define DBG_TAG           "kernel.thread"
+#ifdef RT_DEBUG_THREAD
+#define DBG_LVL           DBG_LOG
+#else
+#define DBG_LVL           DBG_WARNING
+#endif /* defined (RT_DEBUG_THREAD) */
+#include <rtdbg.h>
+
 #ifndef __on_rt_thread_inited_hook
     #define __on_rt_thread_inited_hook(thread)      __ON_HOOK_ARGS(rt_thread_inited_hook, (thread))
 #endif
@@ -385,8 +393,8 @@ rt_err_t rt_thread_startup(rt_thread_t thread)
     thread->number_mask = 1L << thread->current_priority;
 #endif /* RT_THREAD_PRIORITY_MAX > 32 */
 
-    RT_DEBUG_LOG(RT_DEBUG_THREAD, ("startup a thread:%s with priority:%d\n",
-                                   thread->parent.name, thread->current_priority));
+    LOG_D("startup a thread:%s with priority:%d",
+          thread->parent.name, thread->current_priority);
     /* change thread stat */
     thread->stat = RT_THREAD_SUSPEND;
     /* then resume it */
@@ -983,12 +991,12 @@ rt_err_t rt_thread_suspend_with_flag(rt_thread_t thread, int suspend_flag)
     RT_ASSERT(rt_object_get_type((rt_object_t)thread) == RT_Object_Class_Thread);
     RT_ASSERT(thread == rt_thread_self());
 
-    RT_DEBUG_LOG(RT_DEBUG_THREAD, ("thread suspend:  %s\n", thread->parent.name));
+    LOG_D("thread suspend:  %s", thread->parent.name);
 
     stat = thread->stat & RT_THREAD_STAT_MASK;
     if ((stat != RT_THREAD_READY) && (stat != RT_THREAD_RUNNING))
     {
-        RT_DEBUG_LOG(RT_DEBUG_THREAD, ("thread suspend: thread disorder, 0x%2x\n", thread->stat));
+        LOG_D("thread suspend: thread disorder, 0x%2x", thread->stat);
         return -RT_ERROR;
     }
 
@@ -1046,12 +1054,12 @@ rt_err_t rt_thread_resume(rt_thread_t thread)
     RT_ASSERT(thread != RT_NULL);
     RT_ASSERT(rt_object_get_type((rt_object_t)thread) == RT_Object_Class_Thread);
 
-    RT_DEBUG_LOG(RT_DEBUG_THREAD, ("thread resume:  %s\n", thread->parent.name));
+    LOG_D("thread resume:  %s", thread->parent.name);
 
     if ((thread->stat & RT_THREAD_SUSPEND_MASK) != RT_THREAD_SUSPEND_MASK)
     {
-        RT_DEBUG_LOG(RT_DEBUG_THREAD, ("thread resume: thread disorder, %d\n",
-                                       thread->stat));
+        LOG_D("thread resume: thread disorder, %d",
+              thread->stat);
 
         return -RT_ERROR;
     }
diff --git a/src/timer.c b/src/timer.c
index 037b97b134..04e4a91b13 100644
--- a/src/timer.c
+++ b/src/timer.c
@@ -24,6 +24,14 @@
 #include <rtthread.h>
 #include <rthw.h>
 
+#define DBG_TAG           "kernel.timer"
+#ifdef RT_DEBUG_TIMER
+#define DBG_LVL           DBG_LOG
+#else
+#define DBG_LVL           DBG_WARNING
+#endif /* defined (RT_DEBUG_TIMER) */
+#include <rtdbg.h>
+
 /* hard timer list */
 static rt_list_t _timer_list[RT_TIMER_SKIP_LIST_LEVEL];
 
@@ -195,7 +203,7 @@ rt_inline void _timer_remove(rt_timer_t timer)
     }
 }
 
-#if RT_DEBUG_TIMER
+#ifdef RT_DEBUG_TIMER
 /**
  * @brief The number of timer
  *
@@ -653,7 +661,7 @@ void rt_timer_check(void)
 
     rt_list_init(&list);
 
-    RT_DEBUG_LOG(RT_DEBUG_TIMER, ("timer check enter\n"));
+    LOG_D("timer check enter");
 
     current_tick = rt_tick_get();
 
@@ -688,7 +696,7 @@ void rt_timer_check(void)
             current_tick = rt_tick_get();
 
             RT_OBJECT_HOOK_CALL(rt_timer_exit_hook, (t));
-            RT_DEBUG_LOG(RT_DEBUG_TIMER, ("current tick: %d\n", current_tick));
+            LOG_D("current tick: %d", current_tick);
 
             /* Check whether the timer object is detached or started again */
             if (rt_list_isempty(&list))
@@ -710,7 +718,7 @@ void rt_timer_check(void)
     /* enable interrupt */
     rt_hw_interrupt_enable(level);
 
-    RT_DEBUG_LOG(RT_DEBUG_TIMER, ("timer check leave\n"));
+    LOG_D("timer check leave");
 }
 
 /**
@@ -739,7 +747,7 @@ void rt_soft_timer_check(void)
 
     rt_list_init(&list);
 
-    RT_DEBUG_LOG(RT_DEBUG_TIMER, ("software timer check enter\n"));
+    LOG_D("software timer check enter");
 
     /* disable interrupt */
     level = rt_hw_interrupt_disable();
@@ -776,7 +784,7 @@ void rt_soft_timer_check(void)
             t->timeout_func(t->parameter);
 
             RT_OBJECT_HOOK_CALL(rt_timer_exit_hook, (t));
-            RT_DEBUG_LOG(RT_DEBUG_TIMER, ("current tick: %d\n", current_tick));
+            LOG_D("current tick: %d", current_tick);
 
             /* disable interrupt */
             level = rt_hw_interrupt_disable();
@@ -801,7 +809,7 @@ void rt_soft_timer_check(void)
     /* enable interrupt */
     rt_hw_interrupt_enable(level);
 
-    RT_DEBUG_LOG(RT_DEBUG_TIMER, ("software timer check leave\n"));
+    LOG_D("software timer check leave");
 }
 
 /**