diff --git a/code/application/source/cardv/SrcCode/UIApp/Movie/UIAppMovie_Exe.c b/code/application/source/cardv/SrcCode/UIApp/Movie/UIAppMovie_Exe.c
index 31608796d..78b03f071 100755
--- a/code/application/source/cardv/SrcCode/UIApp/Movie/UIAppMovie_Exe.c
+++ b/code/application/source/cardv/SrcCode/UIApp/Movie/UIAppMovie_Exe.c
@@ -1236,13 +1236,13 @@ static void MovieExe_FileNamingCB(MOVIE_CFG_REC_ID id, char *pFileName)
 #if(SENSOR_CAPS_COUNT>=2 || ((defined(_NVT_ETHREARCAM_RX_)) && (ETH_REARCAM_CAPS_COUNT >= 2)))
 	char	NH_endChar='A';
 
-	if(mmc_dev == MMC_DEV_SD)
+	//if(mmc_dev == MMC_DEV_SD)
 	{
-		NH_endChar='A';
+		//NH_endChar='A';
 	}
-	else if(mmc_dev == MMC_DEV_EMMC)
+	//else if(mmc_dev == MMC_DEV_EMMC)
 	{
-		NH_endChar='B';
+		//NH_endChar='B';
 	}
 		
 	if(id < _CFG_REC_ID_MAX){
diff --git a/code/application/source/sf_app/code/source/app/sf_common.c b/code/application/source/sf_app/code/source/app/sf_common.c
index 82b740490..0dd30706d 100755
--- a/code/application/source/sf_app/code/source/app/sf_common.c
+++ b/code/application/source/sf_app/code/source/app/sf_common.c
@@ -595,7 +595,7 @@ static SINT32 sf_app_process_cmd_SD(SF_MESSAGE_BUF_S *pMessageBuf)
 	UINT32 status;
     SINT16 startup = sf_poweron_type_get();
 
-	MLOGD("[%d,%s]\n",pMessageBuf->arg1,app_process_SD_getstatusstring(pMessageBuf->arg1));
+	MLOGD("[dev_id:%d,evt:%s]\n",pMessageBuf->arg2,app_process_SD_getstatusstring(pMessageBuf->arg1));
 
 	sf_mmc_dev_register(pMessageBuf);
 	
diff --git a/code/application/source/sf_app/code/source/storeMng/sf_mmc_dev.c b/code/application/source/sf_app/code/source/storeMng/sf_mmc_dev.c
index acce9090b..335881f79 100755
--- a/code/application/source/sf_app/code/source/storeMng/sf_mmc_dev.c
+++ b/code/application/source/sf_app/code/source/storeMng/sf_mmc_dev.c
@@ -19,8 +19,6 @@
 #include "sf_mmc_dev.h"
 #include <sf_param_common.h>
 
-
-
 typedef struct
 {
 	int event;
@@ -28,13 +26,12 @@ typedef struct
 	int mounted_status;
 }STRG_CB_PARAM;
 
-
 static SF_ST_MMC_DEV sf_mmc_dev[MMC_DEV_MAX_NUM] = {0};
 
 SINT32 sf_mmc_dev_space_check_full(const char *mountPath)
 {
 	SF_STORE_ATTR_S *pstoreattrs = NULL;
-	SF_COMM_CHECK_POINTER(pstoreattrs,SF_FAILURE);
+	//SF_COMM_CHECK_POINTER(pstoreattrs,SF_FAILURE);
 	SINT32 fd = -1;
 	UINT32 Isfull = 0;
     fd = open(mountPath, O_RDONLY,0);
@@ -100,12 +97,14 @@ static int sf_mmc_dev_node_check(const char *devName)
 void sf_mmc_dev_register(SF_MESSAGE_BUF_S *pMessageBuf)
 {
 	STRG_CB_PARAM strg_cb_param;

-
+		
 	UIMenuStoreInfo *puiPara = sf_app_ui_para_get();
 	strg_cb_param.event = pMessageBuf->arg1;
 	strg_cb_param.dev_id = pMessageBuf->arg2;
 	strg_cb_param.mounted_status = pMessageBuf->arg3;
 
+	MLOGD("[dev_id:%d, evt:%d]\n",strg_cb_param.dev_id, strg_cb_param.event);
+
 	if(strg_cb_param.dev_id == MMC_DEV_SD)
 	{
 		if(strg_cb_param.event == CMD_SD_STRG_CB_INSERTED)
@@ -189,8 +188,13 @@ void sf_mmc_dev_register(SF_MESSAGE_BUF_S *pMessageBuf)
 MMC_DEV_TYPE sf_mmc_check_workable_dev(void)
 {
 	MMC_DEV_TYPE workable_dev = MMC_DEV_NO;
-	
-	if(sf_mmc_dev[MMC_DEV_EMMC].node == MMC_DEV_NODE_STATE_NO_EXIST)   	   //EMMC节点不存在
+	MLOGD("sf mmc check workable dev start!!!\n");
+	if((sf_mmc_dev[MMC_DEV_SD].node == MMC_DEV_NODE_STATE_NO_EXIST) &&
+		(sf_mmc_dev[MMC_DEV_EMMC].node == MMC_DEV_NODE_STATE_NO_EXIST))
+	{
+		workable_dev = MMC_DEV_NO;
+	}
+	else if(sf_mmc_dev[MMC_DEV_EMMC].node == MMC_DEV_NODE_STATE_NO_EXIST)   	   //EMMC节点不存在
 	{
 		if(sf_mmc_dev[MMC_DEV_EMMC].moumted_state == MMC_DEV_MOUNT_STATE_MOUNTED)
 		{
@@ -226,7 +230,12 @@ MMC_DEV_TYPE sf_mmc_check_workable_dev(void)
 	}
 	else 																	//MMC节点都存在
 	{
-        if(sf_mmc_dev[MMC_DEV_SD].moumted_state == MMC_DEV_MOUNT_STATE_UNMOUNTED)
+		if((sf_mmc_dev[MMC_DEV_SD].moumted_state == MMC_DEV_MOUNT_STATE_UNMOUNTED) &&
+			(sf_mmc_dev[MMC_DEV_EMMC].moumted_state == MMC_DEV_MOUNT_STATE_UNMOUNTED))
+		{
+			workable_dev = MMC_DEV_NO;
+		}
+        else if(sf_mmc_dev[MMC_DEV_SD].moumted_state == MMC_DEV_MOUNT_STATE_UNMOUNTED)
         {
             if(sf_mmc_dev[MMC_DEV_EMMC].space_state == MMC_DEV_SPACE_STATE_ENOUGH)
             {
@@ -278,5 +287,13 @@ MMC_DEV_TYPE sf_mmc_check_workable_dev(void)
             }
         }
 	}
+	MLOGD("sf mmc check workable dev end, dev_id = %d!!!\n", workable_dev);
+	for(int i = 0; i < 2; i++)
+	{
+		MLOGD("node:%d, mount:%d, space:%d, loop:%d\n", 
+				sf_mmc_dev[i].node, sf_mmc_dev[i].moumted_state, 
+				sf_mmc_dev[i].space_state, sf_mmc_dev[i].loop_state);
+	}
+	
 	return workable_dev;
 }
diff --git a/rtos/code/application/source/cardv/SrcCode/System/sys_filesys.c b/rtos/code/application/source/cardv/SrcCode/System/sys_filesys.c
index e90e46ac0..76e08e3e4 100755
--- a/rtos/code/application/source/cardv/SrcCode/System/sys_filesys.c
+++ b/rtos/code/application/source/cardv/SrcCode/System/sys_filesys.c
@@ -112,7 +112,7 @@ static void card_insert_job(void)
     //if(TRUE == sf_check_card_full())
     //{
     	//DBG_WRN("ERR card full\r\n");
-        //fastboot_set_done(BOOT_INIT_FILESYSOK);
+        fastboot_set_done(BOOT_INIT_FILESYSOK);
     //}
     //else
     //{
@@ -146,7 +146,7 @@ static void card_insert_job(void)
 //    FileSys_SetParamEx('B', FST_PARM_UPDATE_FSINFO , TRUE);
 #endif
 
-	fastboot_set_done(BOOT_INIT_FILESYSOK);
+	//fastboot_set_done(BOOT_INIT_FILESYSOK);
     DBG_WRN("filesys_init e\r\n");
 }
 
diff --git a/rtos/code/driver/na51089/source/mcu/sf_sd_common.c b/rtos/code/driver/na51089/source/mcu/sf_sd_common.c
index b914a508b..6238d2d1e 100755
--- a/rtos/code/driver/na51089/source/mcu/sf_sd_common.c
+++ b/rtos/code/driver/na51089/source/mcu/sf_sd_common.c
@@ -183,8 +183,13 @@ int sf_rtos_mmc_dev_register(int devid, int mounted_state)
 MMC_DEV_TYPE sf_rtos_mmc_check_workable_dev(void)
 {
 	MMC_DEV_TYPE workable_dev = MMC_DEV_NO;
-	
-    if(sf_mmc_dev[MMC_DEV_SD].moumted_state == MMC_DEV_MOUNT_STATE_UNMOUNTED)
+
+	if((sf_mmc_dev[MMC_DEV_SD].moumted_state == MMC_DEV_MOUNT_STATE_UNMOUNTED) &&
+		(sf_mmc_dev[MMC_DEV_EMMC].moumted_state == MMC_DEV_MOUNT_STATE_UNMOUNTED))
+	{
+		workable_dev = MMC_DEV_NO;
+	}
+    else if(sf_mmc_dev[MMC_DEV_SD].moumted_state == MMC_DEV_MOUNT_STATE_UNMOUNTED)
     {
         if(sf_mmc_dev[MMC_DEV_EMMC].space_state == MMC_DEV_SPACE_STATE_ENOUGH)
         {