diff --git a/APP_Framework/Applications/app_test/sd_card_mount.c b/APP_Framework/Applications/app_test/sd_card_mount.c
deleted file mode 100644
index 3b660b2a3..000000000
--- a/APP_Framework/Applications/app_test/sd_card_mount.c
+++ /dev/null
@@ -1,41 +0,0 @@
-/*
-* Copyright (c) 2020 AIIT XUOS Lab
-* XiUOS is licensed under Mulan PSL v2.
-* You can use this software according to the terms and conditions of the Mulan PSL v2.
-* You may obtain a copy of Mulan PSL v2 at:
-*        http://license.coscl.org.cn/MulanPSL2
-* THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
-* EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
-* MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
-* See the Mulan PSL v2 for more details.
-*/
-
-/**
- * @file sd_card_mount.c
- * @brief Mount SD card when opened SDIO
- * @version 1.0
- * @author AIIT XUOS Lab
- * @date 2021.04.19
- */
-
-#include "user_api/switch_api/user_api.h"
-#include <stdio.h>
-
-#if defined(FS_VFS)
-#include <iot-vfs.h>
-
-/**
- * @description: Mount SD card
- * @return 0
- */
-int  MountSDCard(void)
-{
-    if (MountFilesystem(SDIO_BUS_NAME, SDIO_DEVICE_NAME, SDIO_DRIVER_NAME, FSTYPE_FATFS, "/") == 0)
-        DBG("sd card mount to '/'");
-    else
-        SYS_WARN("sd card mount to '/' failed!");
-    
-    return 0;
-}
-#endif
-SHELL_EXPORT_CMD(SHELL_CMD_PERMISSION(0)|SHELL_CMD_TYPE(SHELL_TYPE_CMD_FUNC)|SHELL_CMD_PARAM_NUM(0),MountSDCard, MountSDCard,  MountSDCard );
diff --git a/APP_Framework/Applications/app_test/spi_sd_card_mount.c b/APP_Framework/Applications/app_test/spi_sd_card_mount.c
deleted file mode 100644
index 4fa35b054..000000000
--- a/APP_Framework/Applications/app_test/spi_sd_card_mount.c
+++ /dev/null
@@ -1,46 +0,0 @@
-/*
-* Copyright (c) 2020 AIIT XUOS Lab
-* XiUOS is licensed under Mulan PSL v2.
-* You can use this software according to the terms and conditions of the Mulan PSL v2.
-* You may obtain a copy of Mulan PSL v2 at:
-*        http://license.coscl.org.cn/MulanPSL2
-* THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
-* EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
-* MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
-* See the Mulan PSL v2 for more details.
-*/
-
-/**
- * @file spi_sd_card_mount.c
- * @brief Mount SD card when opened SPI SD card
- * @version 1.0
- * @author AIIT XUOS Lab
- * @date 2021.04.01
- */
-
-#include "user_api/switch_api/user_api.h"
-#include <stdio.h>
-
-#if defined(FS_VFS)
-#include <iot-vfs.h>
-
-/**
- * @description: Mount SD card
- * @return 0
- */
-int MountSDCard(void)
-{
-    struct Bus *spi_bus;
-    spi_bus = BusFind(SPI_BUS_NAME_1);
-
-    if (NONE == SpiSdInit(spi_bus, SPI_1_DEVICE_NAME_0, SPI_1_DRV_NAME, SPI_SD_NAME)) {
-        KPrintf("MountSDCard SpiSdInit error!\n");
-        return 0;
-    }
-    
-    if (EOK == MountFilesystem(SPI_BUS_NAME_1, SPI_SD_NAME, SPI_1_DRV_NAME, FSTYPE_FATFS, "/"))
-        KPrintf("SPI SD card fatfs mounted\n");
-
-    return 0;
-}
-#endif
diff --git a/Ubiquitous/XiUOS/kernel/thread/init.c b/Ubiquitous/XiUOS/kernel/thread/init.c
index 6621d1c09..adc4c7377 100644
--- a/Ubiquitous/XiUOS/kernel/thread/init.c
+++ b/Ubiquitous/XiUOS/kernel/thread/init.c
@@ -100,11 +100,7 @@ struct InitSequenceDesc components_init[] =
 };
 struct InitSequenceDesc env_init[] = 
 {
-// #ifdef ARCH_RISCV
-// #if defined (RESOURCES_SPI_SD)|| defined(RESOURCES_SDIO )
-// 	{ "MountSDCard", MountSDCard },
-// #endif
-// #endif
+
 #ifdef MOUNT_SDCARD
 	{ "MountSDCard", MountSDCard },
 #endif
@@ -119,9 +115,6 @@ struct InitSequenceDesc env_init[] =
 };
 struct InitSequenceDesc communication_init[] = 
 {
-// #ifdef BSP_USING_SDIO
-//     { "Stm32SdcardMount",Stm32SdcardMount },
-// #endif
 #ifdef BSP_USING_USBH
     { "STM32USBHostRegister", STM32USBHostRegister },
 	{ "hw usb", Stm32HwUsbInit },