diff --git a/code/application/source/cardv/SrcCode/Dx/565_HUNTING_EVB_LINUX_4G_S550/DxCfg.c b/code/application/source/cardv/SrcCode/Dx/565_HUNTING_EVB_LINUX_4G_S550/DxCfg.c
index aac2db22e..5a39261e8 100755
--- a/code/application/source/cardv/SrcCode/Dx/565_HUNTING_EVB_LINUX_4G_S550/DxCfg.c
+++ b/code/application/source/cardv/SrcCode/Dx/565_HUNTING_EVB_LINUX_4G_S550/DxCfg.c
@@ -110,11 +110,13 @@ DX_HANDLE Dx_GetObject(UINT32 DxClassType)  // Query device object
 			hDevice = (UINT32)(&gDevEmbMem7);
 		} else if ((DxClassType & DX_TYPE_MASK) == DX_TYPE_EMBMEM8) {
 			hDevice = (UINT32)(&gDevEmbMem8);
+			DBG_ERR("DX_TYPE_EMBMEM8 hDevice = %lx\n", hDevice);
 		}
 		#endif
 		#if !defined(_CARD1_NONE_)
 		if ((DxClassType & DX_TYPE_MASK) == DX_TYPE_CARD1) {
 			hDevice = (UINT32)(&gDevCARD1);
+			DBG_ERR("DX_TYPE_CARD1 hDevice = %lx\n", hDevice);
 		}
 		#endif
 		#if !defined(_CARD3_NONE_)
diff --git a/code/application/source/cardv/SrcCode/Dx/565_HUNTING_EVB_LINUX_4G_S550/DxStorage_EmbMem.c b/code/application/source/cardv/SrcCode/Dx/565_HUNTING_EVB_LINUX_4G_S550/DxStorage_EmbMem.c
index 2b7db0400..798863ccd 100755
--- a/code/application/source/cardv/SrcCode/Dx/565_HUNTING_EVB_LINUX_4G_S550/DxStorage_EmbMem.c
+++ b/code/application/source/cardv/SrcCode/Dx/565_HUNTING_EVB_LINUX_4G_S550/DxStorage_EmbMem.c
@@ -6,6 +6,7 @@
 #include "DxCommon.h"
 #include "DxApi.h"
 #include "DrvExt.h"
+#include "emmc.h"
 
 #if 0
 #include "Debug.h"
@@ -319,22 +320,26 @@ static UINT32 xDrvEmbMemGetcaps(UINT32 DxType, UINT32 CapID, UINT32 Param1)
 {
 	UINT32 v = 0;
 	if (CapID == STORAGE_CAPS_HANDLE) {
-		const UINT32 Map[] = {
-			STRG_OBJ_FW_RSV1,
-			STRG_OBJ_FW_RSV2,
-			STRG_OBJ_FW_RSV3,
-			STRG_OBJ_FW_RSV4,
-			STRG_OBJ_FW_RSV5,
-			STRG_OBJ_FW_RSV6,
-			STRG_OBJ_FW_RSV7,
-			STRG_OBJ_PSTORE1,
-			STRG_OBJ_FAT1
-		};
-		if (DxType >= sizeof(Map) / sizeof(Map[0])) {
-			DBG_ERR("out of id: %d\r\n", DxType);
-			return 0;
-		}
+//		const UINT32 Map[] = {
+//			STRG_OBJ_FW_RSV1,
+//			STRG_OBJ_FW_RSV2,
+//			STRG_OBJ_FW_RSV3,
+//			STRG_OBJ_FW_RSV4,
+//			STRG_OBJ_FW_RSV5,
+//			STRG_OBJ_FW_RSV6,
+//			STRG_OBJ_FW_RSV7,
+//			STRG_OBJ_PSTORE1,
+//			STRG_OBJ_FAT1
+//		};
+//		if (DxType >= sizeof(Map) / sizeof(Map[0])) {
+//			DBG_ERR("out of id: %d\r\n", DxType);
+//			return 0;
+//		}
 
+
+		v = (UINT32)emmc_getStorageObject(STRG_OBJ_FAT1);
+
+		DBG_ERR("emmc_getStorageObject = %lx, type = %lu\n", v, ((PSTORAGE_OBJ)v)->uiStrgType);
 //		v = (UINT32)EMB_GETSTRGOBJ(Map[DxType]);
 		//speical case handle
 #if defined(__FREERTOS)
diff --git a/code/application/source/cardv/SrcCode/PrjCfg_HUNTING_S550.h b/code/application/source/cardv/SrcCode/PrjCfg_HUNTING_S550.h
index 545c4002c..c6f5d7eb7 100755
--- a/code/application/source/cardv/SrcCode/PrjCfg_HUNTING_S550.h
+++ b/code/application/source/cardv/SrcCode/PrjCfg_HUNTING_S550.h
@@ -832,7 +832,7 @@
 // 2. enable FS_DX_TYPE_DRIVE_B as DX_TYPE_CARD2
 // 3. enable FS_MULTI_STRG_FUNC
 // 4. NETWORK = NETWORK_NONE (Both uITRON and eCos)
-#define FS_MULTI_STRG_FUNC              DISABLE
+#define FS_MULTI_STRG_FUNC              ENABLE
 //MULTI_DRIVE
 #if defined(_EMBMEM_EMMC_) && (FS_MULTI_STRG_FUNC==DISABLE)
 #define FS_DX_TYPE_DRIVE_A              USER_DX_TYPE_EMBMEM_FAT
diff --git a/code/application/source/cardv/SrcCode/System/SysStrg_Exe.c b/code/application/source/cardv/SrcCode/System/SysStrg_Exe.c
index fe53925ff..43b30e0e7 100644
--- a/code/application/source/cardv/SrcCode/System/SysStrg_Exe.c
+++ b/code/application/source/cardv/SrcCode/System/SysStrg_Exe.c
@@ -315,10 +315,10 @@ void System_OnStrgInit_FS(void)
 		Pool.addr = mempool_filesys;
 #if (FS_MULTI_STRG_FUNC == ENABLE)
 		MEM_RANGE Pool2;
-		Pool.Size = POOL_SIZE_FS_BUFFER;
+		Pool.size = POOL_SIZE_FILESYS;
 		GxStrg_SetConfigEx(0, FILE_CFG_BUF, (UINT32)&Pool);
-		Pool2.Addr = Pool.Addr + POOL_SIZE_FS_BUFFER;
-		Pool2.Size = POOL_SIZE_FS_BUFFER;
+		Pool2.addr = Pool.addr + POOL_SIZE_FILESYS;
+		Pool2.size = POOL_SIZE_FILESYS;
 		GxStrg_SetConfigEx(1, FILE_CFG_BUF, (UINT32)&Pool2);
 #if defined(_CPU2_LINUX_) && defined(_EMBMEM_EMMC_)
 		// 3rd is for linux-pstore mounted by filesys
@@ -380,6 +380,16 @@ void System_OnStrgInit_FS(void)
 	GxStrg_SetConfigEx(0, FILE_CFG_STRG_OBJECT, (UINT32)Dx_GetObject(DX_CLASS_STORAGE_EXT | FS_DX_TYPE_DRIVE_A));
 #endif
 
+
+#if (FS_MULTI_STRG_FUNC == ENABLE)
+	emmc_set_dev_node("/dev/mmcblk1p1"); /* msdc strg obj */
+	strncpy(mount_path, "/mnt/sd2", sizeof(mount_path) - 1);
+	mount_path[sizeof(mount_path) - 1] = '\0';
+	GxStrg_SetConfigEx(1, FILE_CFG_MOUNT_PATH, (UINT32)mount_path);
+	GxStrg_SetConfigEx(1, FILE_CFG_STRG_OBJECT, (UINT32)Dx_GetObject(DX_CLASS_STORAGE_EXT | FS_DX_TYPE_DRIVE_B));
+#endif
+
+
   //#NT#2018/12/18#Philex Lin - begin
   // unused now
 	#if 0
@@ -799,22 +809,24 @@ INT32 System_OnStrgInsert(VControl *pCtrl, UINT32 paramNum, UINT32 *paramArray)
 		// Open DCF
 		dcfParm.Drive = (stg_id == 0) ? 'A' : 'B';
 #if	(FS_MULTI_STRG_FUNC)
-		if (POOL_CNT_DCF_BUFFER !=2) {
-			DBG_FATAL("POOL_CNT_DCF_BUFFER be 2 for FS_MULTI_STRG_FUNC.\r\n");
-		} else {
+//		if (POOL_CNT_DCF_BUFFER !=2) {
+//			DBG_FATAL("POOL_CNT_DCF_BUFFER be 2 for FS_MULTI_STRG_FUNC.\r\n");
+//		} else {
 			switch(stg_id) {
 			case 0:
-				dcfParm.WorkbuffAddr = dma_getCacheAddr(OS_GetMempoolAddr(POOL_ID_DCF_BUFFER));
+//				dcfParm.WorkbuffAddr = dma_getCacheAddr(OS_GetMempoolAddr(POOL_ID_DCF_BUFFER));
+				dcfParm.WorkbuffAddr = mempool_dcf;
 				break;
 			case 1:
-				dcfParm.WorkbuffAddr = dma_getCacheAddr(OS_GetMempoolAddr(POOL_ID_DCF_BUFFER)) + POOL_SIZE_DCF_BUFFER;
+//				dcfParm.WorkbuffAddr = dma_getCacheAddr(OS_GetMempoolAddr(POOL_ID_DCF_BUFFER)) + POOL_SIZE_DCF_BUFFER;
+				dcfParm.WorkbuffAddr = mempool_dcf + POOL_SIZE_DCF_BUFFER;
 				break;
 			default:
 				DBG_ERR("unknown stg_id=%d\r\n", stg_id);
 				dcfParm.WorkbuffAddr = 0;
 				break;
 			}
-		}
+//		}
 #else
 
 		dcfParm.WorkbuffAddr = mempool_dcf;//dma_getCacheAddr(OS_GetMempoolAddr(POOL_ID_DCF_BUFFER));
diff --git a/code/application/source/cardv/SrcCode/System/sys_mempool.c b/code/application/source/cardv/SrcCode/System/sys_mempool.c
index c8908bedf..b70bbf66f 100755
--- a/code/application/source/cardv/SrcCode/System/sys_mempool.c
+++ b/code/application/source/cardv/SrcCode/System/sys_mempool.c
@@ -185,7 +185,12 @@ void mempool_init(void)
 	mempool_usbcmd_va = (UINT32)va;
 #endif
 #if (USE_DCF == ENABLE)
+
+#if	(FS_MULTI_STRG_FUNC)
+	ret = vendor_common_mem_alloc_fixed_pool("dcf", &pa, (void **)&va, POOL_SIZE_DCF_BUFFER * 2, DDR_ID0);
+#else
 	ret = vendor_common_mem_alloc_fixed_pool("dcf", &pa, (void **)&va, POOL_SIZE_DCF_BUFFER, DDR_ID0);
+#endif
 	if (ret != HD_OK) {
 		return;
 	}
diff --git a/code/application/source/cardv/SrcCode/UIApp/UsbDisk/UIAppUsbDisk_Exe.c b/code/application/source/cardv/SrcCode/UIApp/UsbDisk/UIAppUsbDisk_Exe.c
index 1b9fe6c41..5835176fd 100755
--- a/code/application/source/cardv/SrcCode/UIApp/UsbDisk/UIAppUsbDisk_Exe.c
+++ b/code/application/source/cardv/SrcCode/UIApp/UsbDisk/UIAppUsbDisk_Exe.c
@@ -152,10 +152,10 @@ ER AppInit_ModeUSBMSDC(void)
 	MSDCInfo.msdc_vendor_cb = NULL;
 	//#NT#2016/12/20#Niven Cho -begin
 	//#NT#MULTI_DRIVE
-#if (FS_MULTI_STRG_FUNC == ENABLE)
-	char *pDxName2 = NULL;
-	DX_HANDLE pStrgDev2 = 0;
-#endif
+//#if (FS_MULTI_STRG_FUNC == ENABLE)
+//	char *pDxName2 = NULL;
+//	DX_HANDLE pStrgDev2 = 0;
+//#endif
 
 	pStrgDev = Dx_GetObject(DX_CLASS_STORAGE_EXT | FS_DX_TYPE_DRIVE_A);
 
@@ -166,34 +166,42 @@ ER AppInit_ModeUSBMSDC(void)
 	}
 #endif
 
-#if (FS_MULTI_STRG_FUNC == ENABLE)
-	pStrgDev = Dx_GetObject(DX_CLASS_STORAGE_EXT | FS_DX_TYPE_DRIVE_B);
-#endif
+//#if (FS_MULTI_STRG_FUNC == ENABLE)
+//	pStrgDev = Dx_GetObject(DX_CLASS_STORAGE_EXT | FS_DX_TYPE_DRIVE_B);
+//#endif
 
 	MSDCInfo.pStrgHandle[0] = (PSTRG_TAB)Dx_Getcaps(pStrgDev, STORAGE_CAPS_HANDLE, 0);
 
 	if (Dx_GetInfo(pStrgDev, DX_INFO_NAME, &pDxName) != DX_OK) {
 		pDxName = NULL;
 	}
-	DBG_DUMP("===>%s\r\n", pDxName);
+	DBG_DUMP("handle = %lx, open = %lx, pDxName ===>%s, type=%lu, status=%lu\r\n", MSDCInfo.pStrgHandle[0], MSDCInfo.pStrgHandle[0]->Open, pDxName, MSDCInfo.pStrgHandle[0]->uiStrgType,  MSDCInfo.pStrgHandle[0]->uiStrgStatus);
 
 #if (FS_MULTI_STRG_FUNC == ENABLE)
-	MSDCInfo.pStrgHandle[1] = pStrgDev2;
+
+	char *pDxName2 = NULL;
+	DX_HANDLE pStrgDev2 = 0;
+
+	pStrgDev2 = Dx_GetObject(DX_CLASS_STORAGE_EXT | FS_DX_TYPE_DRIVE_B);
+	MSDCInfo.pStrgHandle[1] = (PSTRG_TAB)Dx_Getcaps(pStrgDev2, STORAGE_CAPS_HANDLE, 0);
 
 	if (Dx_GetInfo(pStrgDev2, DX_INFO_NAME, &pDxName2) != DX_OK) {
 		pDxName2 = NULL;
 	}
+
+	DBG_DUMP("handle = %lx, open = %lx, pDxName2 ===>%s, type=%lu, status=%lu\r\n", MSDCInfo.pStrgHandle[1], MSDCInfo.pStrgHandle[1]->Open, pDxName2,  MSDCInfo.pStrgHandle[1]->uiStrgType,  MSDCInfo.pStrgHandle[1]->uiStrgStatus);
 #endif
 
-#if (FS_MULTI_STRG_FUNC == ENABLE)
-	MSDCInfo.pStrgHandle[1] = pStrgDev2;
-
-	if (Dx_GetInfo(pStrgDev2, DX_INFO_NAME, &pDxName2) != DX_OK) {
-		pDxName2 = NULL;
-	}
-#endif
+//#if (FS_MULTI_STRG_FUNC == ENABLE)
+//	MSDCInfo.pStrgHandle[1] = pStrgDev2;
+//
+//	if (Dx_GetInfo(pStrgDev2, DX_INFO_NAME, &pDxName2) != DX_OK) {
+//		pDxName2 = NULL;
+//	}
+//#endif
 
 #if (FS_MULTI_STRG_FUNC == ENABLE)
+
 	MSDCInfo.msdc_storage_detCB[0] = (MSDC_StorageDet_CB)DrvCARD_DetStrgCard;
 	MSDCInfo.msdc_strgLock_detCB[0] = (MSDC_StrgLockDet_CB)DrvCARD_DetStrgCardWP;
 	MSDCInfo.msdc_storage_detCB[1] = NULL;
@@ -201,6 +209,14 @@ ER AppInit_ModeUSBMSDC(void)
 	MSDCInfo.msdc_type[0] = MSDC_STRG;
 	MSDCInfo.msdc_type[1] = MSDC_STRG;
 	MSDCInfo.LUNs = 2;
+
+//	MSDCInfo.msdc_storage_detCB[0] = NULL;
+//	MSDCInfo.msdc_strgLock_detCB[0] = NULL;
+//	MSDCInfo.pStrgHandle[0] = MSDCInfo.pStrgHandle[1];
+//	MSDCInfo.msdc_type[0] = MSDC_STRG;
+//	MSDCInfo.LUNs = 1;
+
+
 #else
 	if (pDxName == NULL || strcmp(pDxName, "Storage_EmbMem5") == 0) {
 		MSDCInfo.msdc_storage_detCB[0] = NULL;
diff --git a/code/lib/source/libstrg/libstrg.a b/code/lib/source/libstrg/libstrg.a
index 109d84f93..1176143ab 100644
Binary files a/code/lib/source/libstrg/libstrg.a and b/code/lib/source/libstrg/libstrg.a differ