diff --git a/bsp/nuvoton/libraries/m2354/rtt_port/Kconfig b/bsp/nuvoton/libraries/m2354/rtt_port/Kconfig
index bf7d2da98d23184a2d2bc0d75e530e63ca713b19..5d06999d6b10ce52dd27fc2a77f20bae9b4d667a 100644
--- a/bsp/nuvoton/libraries/m2354/rtt_port/Kconfig
+++ b/bsp/nuvoton/libraries/m2354/rtt_port/Kconfig
@@ -470,6 +470,7 @@ config SOC_SERIES_M2354
     menuconfig BSP_USING_SDH
         bool "Enable Secure Digital Host Controller(SDH)"
         select RT_USING_DFS
+        select DFS_USING_POSIX
 
         if BSP_USING_SDH
             config BSP_USING_SDH0
diff --git a/bsp/nuvoton/libraries/m2354/rtt_port/drv_sdh.c b/bsp/nuvoton/libraries/m2354/rtt_port/drv_sdh.c
index 1ab43b49895c9df19c7130f2fc420d4fcff8ac36..e71677a91746b1027cf687b8330b137014e9ee09 100644
--- a/bsp/nuvoton/libraries/m2354/rtt_port/drv_sdh.c
+++ b/bsp/nuvoton/libraries/m2354/rtt_port/drv_sdh.c
@@ -19,14 +19,12 @@
 #include <drv_pdma.h>
 #include <string.h>
 
-#if defined(RT_USING_DFS)
-    #include <dfs_fs.h>
-    #include <dfs_file.h>
-    #include <unistd.h>
-    #include <stdio.h>
-    #include <sys/stat.h>
-    #include <sys/statfs.h>
-#endif
+#include <dfs_fs.h>
+#include <dfs_file.h>
+#include <unistd.h>
+#include <stdio.h>
+#include <sys/stat.h>
+#include <sys/statfs.h>
 
 /* Private define ---------------------------------------------------------------*/
 
@@ -236,11 +234,13 @@ static rt_size_t nu_sdh_read(rt_device_t dev, rt_off_t pos, void *buffer, rt_siz
 {
     rt_uint32_t ret = 0;
     nu_sdh_t sdh = (nu_sdh_t)dev;
+    rt_err_t result;
 
     RT_ASSERT(dev != RT_NULL);
     RT_ASSERT(buffer != RT_NULL);
 
-    rt_sem_take(&sdh->lock, RT_WAITING_FOREVER);
+    result = rt_sem_take(&sdh->lock, RT_WAITING_FOREVER);
+    RT_ASSERT(result == RT_EOK);
 
     /* Check alignment. */
     if (((uint32_t)buffer & 0x03) != 0)
@@ -281,7 +281,8 @@ exit_nu_sdh_read:
         sdh->pbuf = RT_NULL;
     }
 
-    rt_sem_release(&sdh->lock);
+    result = rt_sem_release(&sdh->lock);
+    RT_ASSERT(result == RT_EOK);
 
     if (ret == Successful)
         return blk_nb;
@@ -295,11 +296,13 @@ static rt_size_t nu_sdh_write(rt_device_t dev, rt_off_t pos, const void *buffer,
 {
     rt_uint32_t ret = 0;
     nu_sdh_t sdh = (nu_sdh_t)dev;
+    rt_err_t result;
 
     RT_ASSERT(dev != RT_NULL);
     RT_ASSERT(buffer != RT_NULL);
 
-    rt_sem_take(&sdh->lock, RT_WAITING_FOREVER);
+    result = rt_sem_take(&sdh->lock, RT_WAITING_FOREVER);
+    RT_ASSERT(result == RT_EOK);
 
     /* Check alignment. */
     if (((uint32_t)buffer & 0x03) != 0)
@@ -338,7 +341,8 @@ exit_nu_sdh_write:
         sdh->pbuf = RT_NULL;
     }
 
-    rt_sem_release(&sdh->lock);
+    result = rt_sem_release(&sdh->lock);
+    RT_ASSERT(result == RT_EOK);
 
     if (ret == Successful) return blk_nb;
 
@@ -393,7 +397,8 @@ static int rt_hw_sdh_init(void)
         /* Private */
         nu_sdh_arr[i].dev.user_data = (void *)&nu_sdh_arr[i];
 
-        rt_sem_init(&nu_sdh_arr[i].lock, "sdhlock", 1, RT_IPC_FLAG_FIFO);
+        ret = rt_sem_init(&nu_sdh_arr[i].lock, "sdhlock", 1, RT_IPC_FLAG_FIFO);
+        RT_ASSERT(ret == RT_EOK);
 
         SDH_Open(nu_sdh_arr[i].base, CardDetect_From_GPIO);
 
@@ -402,6 +407,7 @@ static int rt_hw_sdh_init(void)
             NVIC_EnableIRQ(SDH0_IRQn);
 
         nu_sdh_arr[i].pbuf = RT_NULL;
+
         ret = rt_device_register(&nu_sdh_arr[i].dev, nu_sdh_arr[i].name, flags);
         RT_ASSERT(ret == RT_EOK);
     }
@@ -415,8 +421,6 @@ static rt_bool_t nu_sdh_hotplug_is_mounted(const char *mounting_path)
 {
     rt_bool_t ret = RT_FALSE;
 
-#if defined(RT_USING_DFS)
-
     struct dfs_filesystem *psFS = dfs_filesystem_lookup(mounting_path);
     if (psFS == RT_NULL)
     {
@@ -431,8 +435,6 @@ static rt_bool_t nu_sdh_hotplug_is_mounted(const char *mounting_path)
         ret = RT_FALSE;
     }
 
-#endif
-
 exit_nu_sdh_hotplug_is_mounted:
 
     return ret;
@@ -442,8 +444,6 @@ static rt_err_t nu_sdh_hotplug_mount(nu_sdh_t sdh)
     rt_err_t ret = RT_ERROR;
     DIR *t;
 
-#if defined(RT_USING_DFS)
-
     if (nu_sdh_hotplug_is_mounted(sdh->mounted_point) == RT_TRUE)
     {
         ret = RT_EOK;
@@ -491,7 +491,6 @@ static rt_err_t nu_sdh_hotplug_mount(nu_sdh_t sdh)
 
 exit_nu_sdh_hotplug_mount:
 
-#endif
     return -(ret);
 }
 
@@ -499,7 +498,6 @@ static rt_err_t nu_sdh_hotplug_unmount(nu_sdh_t sdh)
 {
     rt_err_t ret = RT_ERROR;
 
-#if defined(RT_USING_DFS)
     if (nu_sdh_hotplug_is_mounted(sdh->mounted_point) == RT_FALSE)
     {
         ret = RT_EOK;
@@ -516,7 +514,6 @@ static rt_err_t nu_sdh_hotplug_unmount(nu_sdh_t sdh)
         rt_kprintf("Succeed to unmount %s.\n", sdh->mounted_point);
         ret = RT_EOK;
     }
-#endif
 
 exit_nu_sdh_hotplug_unmount:
 
@@ -585,7 +582,11 @@ static void sdh_hotplugger(void *param)
 
 int mnt_init_sdcard_hotplug(void)
 {
-    rt_thread_init(&sdh_tid, "hotplug", sdh_hotplugger, NULL, sdh_stack, sizeof(sdh_stack), RT_THREAD_PRIORITY_MAX - 2, 10);
+    rt_err_t result;
+
+    result = rt_thread_init(&sdh_tid, "hotplug", sdh_hotplugger, NULL, sdh_stack, sizeof(sdh_stack), RT_THREAD_PRIORITY_MAX - 2, 10);
+    RT_ASSERT(result == RT_EOK);
+
     rt_thread_startup(&sdh_tid);
 
     return 0;
diff --git a/bsp/nuvoton/libraries/m2354/rtt_port/drv_usbhost.c b/bsp/nuvoton/libraries/m2354/rtt_port/drv_usbhost.c
index fe5895dc9d09d2dea64a8ed1fda691765fe25e1a..e54580d671722948b37cfe0bbb39ee14b6f68bb2 100644
--- a/bsp/nuvoton/libraries/m2354/rtt_port/drv_usbhost.c
+++ b/bsp/nuvoton/libraries/m2354/rtt_port/drv_usbhost.c
@@ -469,7 +469,7 @@ static void int_xfer_done_cb(UTR_T *psUTR)
         msg.type = USB_MSG_CALLBACK;
         msg.content.cb.function = pipe->callback;
         msg.content.cb.context = pipe;
-        rt_usbh_event_signal(&msg);
+        rt_usbh_event_signal(&s_sUSBHDev.uhcd, &msg);
     }
 
 exit_int_xfer_done_cb:
diff --git a/bsp/nuvoton/libraries/m480/rtt_port/Kconfig b/bsp/nuvoton/libraries/m480/rtt_port/Kconfig
index 22523e90b49b08e216844371b26298f3e2a1fc05..0d529462a3ddb9b7a12d7d51823d5b024f12e837 100644
--- a/bsp/nuvoton/libraries/m480/rtt_port/Kconfig
+++ b/bsp/nuvoton/libraries/m480/rtt_port/Kconfig
@@ -447,6 +447,7 @@ config SOC_SERIES_M480
     menuconfig BSP_USING_SDH
         bool "Enable Secure Digital Host Controller(SDH)"
         select RT_USING_DFS
+        select DFS_USING_POSIX
 
         if BSP_USING_SDH
             config BSP_USING_SDH0
diff --git a/bsp/nuvoton/libraries/m480/rtt_port/drv_sdh.c b/bsp/nuvoton/libraries/m480/rtt_port/drv_sdh.c
index 7fdd2c8876d4f1885c965ab2d290b498df6b5785..a4f49958c4328bf055b25628b0b5110558acf6bd 100644
--- a/bsp/nuvoton/libraries/m480/rtt_port/drv_sdh.c
+++ b/bsp/nuvoton/libraries/m480/rtt_port/drv_sdh.c
@@ -19,14 +19,12 @@
 #include <drv_pdma.h>
 #include <string.h>
 
-#if defined(RT_USING_DFS)
-    #include <dfs_fs.h>
-    #include <dfs_file.h>
-    #include <unistd.h>
-    #include <stdio.h>
-    #include <sys/stat.h>
-    #include <sys/statfs.h>
-#endif
+#include <dfs_fs.h>
+#include <dfs_file.h>
+#include <unistd.h>
+#include <stdio.h>
+#include <sys/stat.h>
+#include <sys/statfs.h>
 
 /* Private define ---------------------------------------------------------------*/
 
@@ -457,8 +455,6 @@ static rt_bool_t nu_sdh_hotplug_is_mounted(const char *mounting_path)
 {
     rt_bool_t ret = RT_FALSE;
 
-#if defined(RT_USING_DFS)
-
     struct dfs_filesystem *psFS = dfs_filesystem_lookup(mounting_path);
     if (psFS == RT_NULL)
     {
@@ -473,8 +469,6 @@ static rt_bool_t nu_sdh_hotplug_is_mounted(const char *mounting_path)
         ret = RT_FALSE;
     }
 
-#endif
-
 exit_nu_sdh_hotplug_is_mounted:
 
     return ret;
@@ -484,8 +478,6 @@ static rt_err_t nu_sdh_hotplug_mount(nu_sdh_t sdh)
     rt_err_t ret = RT_ERROR;
     DIR *t;
 
-#if defined(RT_USING_DFS)
-
     if (nu_sdh_hotplug_is_mounted(sdh->mounted_point) == RT_TRUE)
     {
         ret = RT_EOK;
@@ -533,7 +525,6 @@ static rt_err_t nu_sdh_hotplug_mount(nu_sdh_t sdh)
 
 exit_nu_sdh_hotplug_mount:
 
-#endif
     return -(ret);
 }
 
@@ -541,7 +532,6 @@ static rt_err_t nu_sdh_hotplug_unmount(nu_sdh_t sdh)
 {
     rt_err_t ret = RT_ERROR;
 
-#if defined(RT_USING_DFS)
     if (nu_sdh_hotplug_is_mounted(sdh->mounted_point) == RT_FALSE)
     {
         ret = RT_EOK;
@@ -558,7 +548,6 @@ static rt_err_t nu_sdh_hotplug_unmount(nu_sdh_t sdh)
         rt_kprintf("Succeed to unmount %s.\n", sdh->mounted_point);
         ret = RT_EOK;
     }
-#endif
 
 exit_nu_sdh_hotplug_unmount:
 
diff --git a/bsp/nuvoton/libraries/m480/rtt_port/drv_usbhost.c b/bsp/nuvoton/libraries/m480/rtt_port/drv_usbhost.c
index c30bba60c867992b2c7136ed7f39b974e14f4b05..0df76a63adf4e11885c306889ccd0e563e6f015e 100644
--- a/bsp/nuvoton/libraries/m480/rtt_port/drv_usbhost.c
+++ b/bsp/nuvoton/libraries/m480/rtt_port/drv_usbhost.c
@@ -472,7 +472,7 @@ static void int_xfer_done_cb(UTR_T *psUTR)
         msg.type = USB_MSG_CALLBACK;
         msg.content.cb.function = pipe->callback;
         msg.content.cb.context = pipe;
-        rt_usbh_event_signal(&msg);
+        rt_usbh_event_signal(&s_sUSBHDev.uhcd, &msg);
     }
 
 exit_int_xfer_done_cb:
diff --git a/bsp/nuvoton/libraries/n9h30/rtt_port/Kconfig b/bsp/nuvoton/libraries/n9h30/rtt_port/Kconfig
index 4d863f6126a2c5626b3b58cc297f4d8ea7148a1b..8d480dacf103e538118520c6f4f8e3629a699481 100644
--- a/bsp/nuvoton/libraries/n9h30/rtt_port/Kconfig
+++ b/bsp/nuvoton/libraries/n9h30/rtt_port/Kconfig
@@ -273,6 +273,7 @@ config SOC_SERIES_N9H30
     menuconfig BSP_USING_SDH
         bool "Enable Secure Digital Host Controller(SDH)"
         select RT_USING_DFS
+        select DFS_USING_POSIX
 
         if BSP_USING_SDH
 
diff --git a/bsp/nuvoton/libraries/n9h30/rtt_port/drv_sdh.c b/bsp/nuvoton/libraries/n9h30/rtt_port/drv_sdh.c
index 26c3a3a90e707544bfee69a9103f28fd0f2f7533..2ead28d45242349c88a7f64acc6c2fce3512b214 100644
--- a/bsp/nuvoton/libraries/n9h30/rtt_port/drv_sdh.c
+++ b/bsp/nuvoton/libraries/n9h30/rtt_port/drv_sdh.c
@@ -19,14 +19,12 @@
 #include "NuMicro.h"
 #include <drv_sys.h>
 
-#if defined(RT_USING_DFS)
-    #include <dfs_fs.h>
-    #include <dfs_file.h>
-    #include <unistd.h>
-    #include <stdio.h>
-    #include <sys/stat.h>
-    #include <sys/statfs.h>
-#endif
+#include <dfs_fs.h>
+#include <dfs_file.h>
+#include <unistd.h>
+#include <stdio.h>
+#include <sys/stat.h>
+#include <sys/statfs.h>
 
 /* Private define ---------------------------------------------------------------*/
 
@@ -602,8 +600,6 @@ static rt_bool_t nu_sdh_hotplug_is_mounted(const char *mounting_path)
 {
     rt_bool_t ret = RT_FALSE;
 
-#if defined(RT_USING_DFS)
-
     struct dfs_filesystem *psFS = dfs_filesystem_lookup(mounting_path);
     if (psFS == RT_NULL)
     {
@@ -620,15 +616,11 @@ static rt_bool_t nu_sdh_hotplug_is_mounted(const char *mounting_path)
 
 exit_nu_sdh_hotplug_is_mounted:
 
-#endif
-
     return ret;
 }
 static rt_err_t nu_sdh_hotplug_mount(nu_sdh_t sdh)
 {
     rt_err_t ret = RT_ERROR;
-
-#if defined(RT_USING_DFS)
     DIR *t;
 
     if (nu_sdh_hotplug_is_mounted(sdh->mounted_point) == RT_TRUE)
@@ -678,7 +670,6 @@ static rt_err_t nu_sdh_hotplug_mount(nu_sdh_t sdh)
 
 exit_nu_sdh_hotplug_mount:
 
-#endif
     return -(ret);
 }
 
@@ -686,7 +677,6 @@ static rt_err_t nu_sdh_hotplug_unmount(nu_sdh_t sdh)
 {
     rt_err_t ret = RT_ERROR;
 
-#if defined(RT_USING_DFS)
     if (nu_sdh_hotplug_is_mounted(sdh->mounted_point) == RT_FALSE)
     {
         ret = RT_EOK;
@@ -706,8 +696,6 @@ static rt_err_t nu_sdh_hotplug_unmount(nu_sdh_t sdh)
 
 exit_nu_sdh_hotplug_unmount:
 
-#endif
-
     return -(ret);
 }
 
diff --git a/bsp/nuvoton/libraries/n9h30/rtt_port/drv_usbhost.c b/bsp/nuvoton/libraries/n9h30/rtt_port/drv_usbhost.c
index 85a1af96be5fdf83cb82e4552ee0f43bd7409c0f..64e9dbf3ae3a85a481adb408fbfa79d57211e271 100644
--- a/bsp/nuvoton/libraries/n9h30/rtt_port/drv_usbhost.c
+++ b/bsp/nuvoton/libraries/n9h30/rtt_port/drv_usbhost.c
@@ -425,7 +425,7 @@ static int nu_bulk_xfer(
     UTR_T *psUTR,
     int timeouts)
 {
-    #define TIMEOUT_RETRY 3
+#define TIMEOUT_RETRY 3
 
     int retry = TIMEOUT_RETRY;
     int ret = usbh_bulk_xfer(psUTR);
@@ -435,9 +435,9 @@ static int nu_bulk_xfer(
         return ret;
     }
 
-    while ( retry > 0 )
+    while (retry > 0)
     {
-        if ( rt_completion_wait(&(psPortDev->utr_completion), timeouts) != 0 )
+        if (rt_completion_wait(&(psPortDev->utr_completion), timeouts) != 0)
         {
             rt_uint32_t level;
 
@@ -513,7 +513,7 @@ static void int_xfer_done_cb(UTR_T *psUTR)
         msg.type = USB_MSG_CALLBACK;
         msg.content.cb.function = pipe->callback;
         msg.content.cb.context = pipe;
-        rt_usbh_event_signal(&msg);
+        rt_usbh_event_signal(&s_sUSBHDev.uhcd, &msg);
     }
 
 exit_int_xfer_done_cb:
diff --git a/bsp/nuvoton/libraries/nuc980/rtt_port/Kconfig b/bsp/nuvoton/libraries/nuc980/rtt_port/Kconfig
index ffa3e55cc44d3fa2f613602b11277c00bfed46c2..697685116c88448b098ab0b7d3e7707113fd9d41 100644
--- a/bsp/nuvoton/libraries/nuc980/rtt_port/Kconfig
+++ b/bsp/nuvoton/libraries/nuc980/rtt_port/Kconfig
@@ -353,6 +353,7 @@ config SOC_SERIES_NUC980
     menuconfig BSP_USING_SDH
         bool "Enable Secure Digital Host Controller(SDH)"
         select RT_USING_DFS
+        select DFS_USING_POSIX
 
         if BSP_USING_SDH
             config BSP_USING_SDH0
diff --git a/bsp/nuvoton/libraries/nuc980/rtt_port/drv_sdh.c b/bsp/nuvoton/libraries/nuc980/rtt_port/drv_sdh.c
index 6832db912b991dee5fef2135acc04696886d140a..bc3b23fd0dfbc047f42e497dc091c47b1c800bc4 100644
--- a/bsp/nuvoton/libraries/nuc980/rtt_port/drv_sdh.c
+++ b/bsp/nuvoton/libraries/nuc980/rtt_port/drv_sdh.c
@@ -20,14 +20,12 @@
 #include <drv_pdma.h>
 #include <drv_sys.h>
 
-#if defined(RT_USING_DFS)
-    #include <dfs_fs.h>
-    #include <dfs_file.h>
-    #include <unistd.h>
-    #include <stdio.h>
-    #include <sys/stat.h>
-    #include <sys/statfs.h>
-#endif
+#include <dfs_fs.h>
+#include <dfs_file.h>
+#include <unistd.h>
+#include <stdio.h>
+#include <sys/stat.h>
+#include <sys/statfs.h>
 
 /* Private define ---------------------------------------------------------------*/
 
@@ -458,8 +456,6 @@ static rt_bool_t nu_sdh_hotplug_is_mounted(const char *mounting_path)
 {
     rt_bool_t ret = RT_FALSE;
 
-#if defined(RT_USING_DFS)
-
     struct dfs_filesystem *psFS = dfs_filesystem_lookup(mounting_path);
     if (psFS == RT_NULL)
     {
@@ -476,15 +472,11 @@ static rt_bool_t nu_sdh_hotplug_is_mounted(const char *mounting_path)
 
 exit_nu_sdh_hotplug_is_mounted:
 
-#endif
-
     return ret;
 }
 static rt_err_t nu_sdh_hotplug_mount(nu_sdh_t sdh)
 {
     rt_err_t ret = RT_ERROR;
-
-#if defined(RT_USING_DFS)
     DIR *t;
 
     if (nu_sdh_hotplug_is_mounted(sdh->mounted_point) == RT_TRUE)
@@ -534,7 +526,6 @@ static rt_err_t nu_sdh_hotplug_mount(nu_sdh_t sdh)
 
 exit_nu_sdh_hotplug_mount:
 
-#endif
     return -(ret);
 }
 
@@ -542,7 +533,6 @@ static rt_err_t nu_sdh_hotplug_unmount(nu_sdh_t sdh)
 {
     rt_err_t ret = RT_ERROR;
 
-#if defined(RT_USING_DFS)
     if (nu_sdh_hotplug_is_mounted(sdh->mounted_point) == RT_FALSE)
     {
         ret = RT_EOK;
@@ -562,8 +552,6 @@ static rt_err_t nu_sdh_hotplug_unmount(nu_sdh_t sdh)
 
 exit_nu_sdh_hotplug_unmount:
 
-#endif
-
     return -(ret);
 }
 
diff --git a/bsp/nuvoton/libraries/nuc980/rtt_port/drv_usbhost.c b/bsp/nuvoton/libraries/nuc980/rtt_port/drv_usbhost.c
index 85a1af96be5fdf83cb82e4552ee0f43bd7409c0f..64e9dbf3ae3a85a481adb408fbfa79d57211e271 100644
--- a/bsp/nuvoton/libraries/nuc980/rtt_port/drv_usbhost.c
+++ b/bsp/nuvoton/libraries/nuc980/rtt_port/drv_usbhost.c
@@ -425,7 +425,7 @@ static int nu_bulk_xfer(
     UTR_T *psUTR,
     int timeouts)
 {
-    #define TIMEOUT_RETRY 3
+#define TIMEOUT_RETRY 3
 
     int retry = TIMEOUT_RETRY;
     int ret = usbh_bulk_xfer(psUTR);
@@ -435,9 +435,9 @@ static int nu_bulk_xfer(
         return ret;
     }
 
-    while ( retry > 0 )
+    while (retry > 0)
     {
-        if ( rt_completion_wait(&(psPortDev->utr_completion), timeouts) != 0 )
+        if (rt_completion_wait(&(psPortDev->utr_completion), timeouts) != 0)
         {
             rt_uint32_t level;
 
@@ -513,7 +513,7 @@ static void int_xfer_done_cb(UTR_T *psUTR)
         msg.type = USB_MSG_CALLBACK;
         msg.content.cb.function = pipe->callback;
         msg.content.cb.context = pipe;
-        rt_usbh_event_signal(&msg);
+        rt_usbh_event_signal(&s_sUSBHDev.uhcd, &msg);
     }
 
 exit_int_xfer_done_cb:
diff --git a/bsp/nuvoton/nk-980iot/applications/mnt.c b/bsp/nuvoton/nk-980iot/applications/mnt.c
index fc440ab8e44e2d3e6ae0405fa3b0c0cf85e28fc9..07905a6b136d7295a3be90854ff006b01fbc3665 100644
--- a/bsp/nuvoton/nk-980iot/applications/mnt.c
+++ b/bsp/nuvoton/nk-980iot/applications/mnt.c
@@ -21,14 +21,12 @@
 #define DBG_COLOR
 #include <rtdbg.h>
 
-#if defined(RT_USING_DFS)
-    #include <dfs_fs.h>
-    #include <dfs_file.h>
-    #include <unistd.h>
-    #include <stdio.h>
-    #include <sys/stat.h>
-    #include <sys/statfs.h>
-#endif
+#include <dfs_fs.h>
+#include <dfs_file.h>
+#include <unistd.h>
+#include <stdio.h>
+#include <sys/stat.h>
+#include <sys/statfs.h>
 
 #if defined(PKG_USING_FAL)
     #include <fal.h>
diff --git a/bsp/nuvoton/nk-n9h30/applications/mnt.c b/bsp/nuvoton/nk-n9h30/applications/mnt.c
index 05b29c2a24ad1055829b2fdfb25e896b9bc189f6..9fdf7ec3a183efc19fec38d593ba95faec7b6bc8 100644
--- a/bsp/nuvoton/nk-n9h30/applications/mnt.c
+++ b/bsp/nuvoton/nk-n9h30/applications/mnt.c
@@ -21,14 +21,12 @@
 #define DBG_COLOR
 #include <rtdbg.h>
 
-#if defined(RT_USING_DFS)
-    #include <dfs_fs.h>
-    #include <dfs_file.h>
-    #include <unistd.h>
-    #include <stdio.h>
-    #include <sys/stat.h>
-    #include <sys/statfs.h>
-#endif
+#include <dfs_fs.h>
+#include <dfs_file.h>
+#include <unistd.h>
+#include <stdio.h>
+#include <sys/stat.h>
+#include <sys/statfs.h>
 
 #if defined(PKG_USING_FAL)
     #include <fal.h>
diff --git a/bsp/nuvoton/nk-rtu980/applications/mnt.c b/bsp/nuvoton/nk-rtu980/applications/mnt.c
index 266ea0ede0fe8fc43296733f2183713fc8dc811e..1c834fcb3e46ac6dce0b7e78602577ce8373b25a 100644
--- a/bsp/nuvoton/nk-rtu980/applications/mnt.c
+++ b/bsp/nuvoton/nk-rtu980/applications/mnt.c
@@ -21,14 +21,12 @@
 #define DBG_COLOR
 #include <rtdbg.h>
 
-#if defined(RT_USING_DFS)
-    #include <dfs_fs.h>
-    #include <dfs_file.h>
-    #include <unistd.h>
-    #include <stdio.h>
-    #include <sys/stat.h>
-    #include <sys/statfs.h>
-#endif
+#include <dfs_fs.h>
+#include <dfs_file.h>
+#include <unistd.h>
+#include <stdio.h>
+#include <sys/stat.h>
+#include <sys/statfs.h>
 
 #if defined(PKG_USING_FAL)
     #include <fal.h>
diff --git a/bsp/nuvoton/numaker-iot-m487/applications/mnt.c b/bsp/nuvoton/numaker-iot-m487/applications/mnt.c
index 3bafda9b755e5561549ebb1081ef9aab82146ebb..9abcd5de268d722d7232c3af3d234979296eac53 100644
--- a/bsp/nuvoton/numaker-iot-m487/applications/mnt.c
+++ b/bsp/nuvoton/numaker-iot-m487/applications/mnt.c
@@ -12,14 +12,12 @@
 
 #include <rtthread.h>
 
-#if defined(RT_USING_DFS)
-    #include <dfs_fs.h>
-    #include <dfs_file.h>
-    #include <unistd.h>
-    #include <stdio.h>
-    #include <sys/stat.h>
-    #include <sys/statfs.h>
-#endif
+#include <dfs_fs.h>
+#include <dfs_file.h>
+#include <unistd.h>
+#include <stdio.h>
+#include <sys/stat.h>
+#include <sys/statfs.h>
 
 #if defined(PKG_USING_FAL)
     #include <fal.h>
diff --git a/bsp/nuvoton/numaker-m032ki/applications/mnt.c b/bsp/nuvoton/numaker-m032ki/applications/mnt.c
index 62c470570cde290c6411f217015ff251217c527f..7ac94f7f0fb2a0710777ace119db6ba606f22326 100644
--- a/bsp/nuvoton/numaker-m032ki/applications/mnt.c
+++ b/bsp/nuvoton/numaker-m032ki/applications/mnt.c
@@ -12,14 +12,12 @@
 
 #include <rtthread.h>
 
-#if defined(RT_USING_DFS)
-    #include <dfs_fs.h>
-    #include <dfs_file.h>
-    #include <unistd.h>
-    #include <stdio.h>
-    #include <sys/stat.h>
-    #include <sys/statfs.h>
-#endif
+#include <dfs_fs.h>
+#include <dfs_file.h>
+#include <unistd.h>
+#include <stdio.h>
+#include <sys/stat.h>
+#include <sys/statfs.h>
 
 #if defined(PKG_USING_FAL)
     #include <fal.h>
diff --git a/bsp/nuvoton/numaker-pfm-m487/applications/mnt.c b/bsp/nuvoton/numaker-pfm-m487/applications/mnt.c
index 398f292c4353c3d232bbae66c116654b86197f4c..0b4ed458b13afae53ed65508c741a8fcd8ee70a2 100644
--- a/bsp/nuvoton/numaker-pfm-m487/applications/mnt.c
+++ b/bsp/nuvoton/numaker-pfm-m487/applications/mnt.c
@@ -12,14 +12,12 @@
 
 #include <rtthread.h>
 
-#if defined(RT_USING_DFS)
-    #include <dfs_fs.h>
-    #include <dfs_file.h>
-    #include <unistd.h>
-    #include <stdio.h>
-    #include <sys/stat.h>
-    #include <sys/statfs.h>
-#endif
+#include <dfs_fs.h>
+#include <dfs_file.h>
+#include <unistd.h>
+#include <stdio.h>
+#include <sys/stat.h>
+#include <sys/statfs.h>
 
 #if defined(PKG_USING_FAL)
     #include <fal.h>