diff --git a/Ubiquitous/RT-Thread_Fusion_XiUOS/aiit_board/xidatong/.config b/Ubiquitous/RT-Thread_Fusion_XiUOS/aiit_board/xidatong/.config
index aaa537a37..d47741477 100644
--- a/Ubiquitous/RT-Thread_Fusion_XiUOS/aiit_board/xidatong/.config
+++ b/Ubiquitous/RT-Thread_Fusion_XiUOS/aiit_board/xidatong/.config
@@ -125,7 +125,29 @@ CONFIG_DFS_FILESYSTEMS_MAX=4
 CONFIG_DFS_FILESYSTEM_TYPES_MAX=4
 CONFIG_DFS_FD_MAX=16
 # CONFIG_RT_USING_DFS_MNTTABLE is not set
-# CONFIG_RT_USING_DFS_ELMFAT is not set
+CONFIG_RT_USING_DFS_ELMFAT=y
+
+#
+# elm-chan's FatFs, Generic FAT Filesystem Module
+#
+CONFIG_RT_DFS_ELM_CODE_PAGE=437
+CONFIG_RT_DFS_ELM_WORD_ACCESS=y
+# CONFIG_RT_DFS_ELM_USE_LFN_0 is not set
+# CONFIG_RT_DFS_ELM_USE_LFN_1 is not set
+# CONFIG_RT_DFS_ELM_USE_LFN_2 is not set
+CONFIG_RT_DFS_ELM_USE_LFN_3=y
+CONFIG_RT_DFS_ELM_USE_LFN=3
+CONFIG_RT_DFS_ELM_LFN_UNICODE_0=y
+# CONFIG_RT_DFS_ELM_LFN_UNICODE_1 is not set
+# CONFIG_RT_DFS_ELM_LFN_UNICODE_2 is not set
+# CONFIG_RT_DFS_ELM_LFN_UNICODE_3 is not set
+CONFIG_RT_DFS_ELM_LFN_UNICODE=0
+CONFIG_RT_DFS_ELM_MAX_LFN=255
+CONFIG_RT_DFS_ELM_DRIVES=2
+CONFIG_RT_DFS_ELM_MAX_SECTOR_SIZE=512
+# CONFIG_RT_DFS_ELM_USE_ERASE is not set
+CONFIG_RT_DFS_ELM_REENTRANT=y
+CONFIG_RT_DFS_ELM_MUTEX_TIMEOUT=3000
 CONFIG_RT_USING_DFS_DEVFS=y
 # CONFIG_RT_USING_DFS_ROMFS is not set
 # CONFIG_RT_USING_DFS_RAMFS is not set
@@ -157,7 +179,13 @@ CONFIG_RT_USING_PIN=y
 # CONFIG_RT_USING_MTD_NAND is not set
 # CONFIG_RT_USING_PM is not set
 # CONFIG_RT_USING_RTC is not set
-# CONFIG_RT_USING_SDIO is not set
+CONFIG_RT_USING_SDIO=y
+CONFIG_RT_SDIO_STACK_SIZE=512
+CONFIG_RT_SDIO_THREAD_PRIORITY=15
+CONFIG_RT_MMCSD_STACK_SIZE=1024
+CONFIG_RT_MMCSD_THREAD_PREORITY=22
+CONFIG_RT_MMCSD_MAX_PARTITION=16
+CONFIG_RT_SDIO_DEBUG=y
 # CONFIG_RT_USING_SPI is not set
 # CONFIG_RT_USING_WDT is not set
 # CONFIG_RT_USING_AUDIO is not set
@@ -324,11 +352,13 @@ CONFIG_BSP_USING_LPUART1=y
 # CONFIG_BSP_USING_I2C is not set
 # CONFIG_BSP_USING_CAN is not set
 # CONFIG_BSP_USING_RTC is not set
+CONFIG_BSP_USING_SDIO=y
 
 #
 # Onboard Peripheral Drivers
 #
 CONFIG_BSP_USING_SDRAM=y
+CONFIG_BSP_USING_SDCARD=y
 CONFIG_BSP_USING_ETH=y
 CONFIG_BSP_USING_PHY=y
 CONFIG_PHY_DEVICE_ADDRESS=0
diff --git a/Ubiquitous/RT-Thread_Fusion_XiUOS/aiit_board/xidatong/rtconfig.h b/Ubiquitous/RT-Thread_Fusion_XiUOS/aiit_board/xidatong/rtconfig.h
index 2aede503c..565db313f 100644
--- a/Ubiquitous/RT-Thread_Fusion_XiUOS/aiit_board/xidatong/rtconfig.h
+++ b/Ubiquitous/RT-Thread_Fusion_XiUOS/aiit_board/xidatong/rtconfig.h
@@ -85,6 +85,21 @@
 #define DFS_FILESYSTEMS_MAX 4
 #define DFS_FILESYSTEM_TYPES_MAX 4
 #define DFS_FD_MAX 16
+#define RT_USING_DFS_ELMFAT
+
+/* elm-chan's FatFs, Generic FAT Filesystem Module */
+
+#define RT_DFS_ELM_CODE_PAGE 437
+#define RT_DFS_ELM_WORD_ACCESS
+#define RT_DFS_ELM_USE_LFN_3
+#define RT_DFS_ELM_USE_LFN 3
+#define RT_DFS_ELM_LFN_UNICODE_0
+#define RT_DFS_ELM_LFN_UNICODE 0
+#define RT_DFS_ELM_MAX_LFN 255
+#define RT_DFS_ELM_DRIVES 2
+#define RT_DFS_ELM_MAX_SECTOR_SIZE 512
+#define RT_DFS_ELM_REENTRANT
+#define RT_DFS_ELM_MUTEX_TIMEOUT 3000
 #define RT_USING_DFS_DEVFS
 
 /* Device Drivers */
@@ -101,6 +116,13 @@
 #define RT_USING_CPUTIME
 #define RT_USING_PHY
 #define RT_USING_PIN
+#define RT_USING_SDIO
+#define RT_SDIO_STACK_SIZE 512
+#define RT_SDIO_THREAD_PRIORITY 15
+#define RT_MMCSD_STACK_SIZE 1024
+#define RT_MMCSD_THREAD_PREORITY 22
+#define RT_MMCSD_MAX_PARTITION 16
+#define RT_SDIO_DEBUG
 
 /* Using USB */
 
@@ -202,10 +224,12 @@
 #define BSP_USING_GPIO
 #define BSP_USING_LPUART
 #define BSP_USING_LPUART1
+#define BSP_USING_SDIO
 
 /* Onboard Peripheral Drivers */
 
 #define BSP_USING_SDRAM
+#define BSP_USING_SDCARD
 #define BSP_USING_ETH
 #define BSP_USING_PHY
 #define PHY_DEVICE_ADDRESS 0