diff --git a/code/application/source/cardv/SrcCode/System/SF_SysStrgMng.c b/code/application/source/cardv/SrcCode/System/SF_SysStrgMng.c
index ae530d5ec..8de16a676 100755
--- a/code/application/source/cardv/SrcCode/System/SF_SysStrgMng.c
+++ b/code/application/source/cardv/SrcCode/System/SF_SysStrgMng.c
@@ -70,6 +70,8 @@ void SF_StrgInit(void) {
         sf_mmc_dev[i]->space_state = MMC_DEV_SPACE_STATE_ENOUGH;
         sf_mmc_dev[i]->loop_state = MMC_DEV_LOOP_STATE_OFF;
     }
+
+	pMMCDev = (SF_ST_MMC_DEV *)malloc(sizeof(SF_ST_MMC_DEV));
 }
 
 void SF_StrgUnInit(void)
@@ -342,32 +344,37 @@ SF_ST_MMC_DEV *SF_StrgCheckWorkableDev(void)
 	}
 }
 
+#if 1
 static int sfStrgOnActionSendCurrentDev(SF_ST_MMC_DEV *pMMCDev)
 {
 	SF_MESSAGE_BUF_S stMessageBuf = {0};
-	stMessageBuf.s32Wait = SF_SYS_STRG_DEV_MSG;
-	stMessageBuf.arg1 = pMMCDev->dev_type;
-	stMessageBuf.arg2 = pMMCDev->node;
+	stMessageBuf.arg1 = SF_SYS_STRG_DEV_MSG;
+	stMessageBuf.arg2 = pMMCDev->dev_type;
 	stMessageBuf.arg3 = pMMCDev->moumted_state;
 	stMessageBuf.cmdId = CMD_SD;
 	sf_com_message_send_to_app(&stMessageBuf);
+	MLOGD("sf sys strg update current dev!\n");
 	return 0;
 }
+#endif
 
 static void* mmc_monitoring_thread(void *arg)
 {
-	static MMC_DEV_TYPE current_dev = MMC_DEV_NO;
+	static MMC_DEV_TYPE current_id = MMC_DEV_NO;
 	while(MMCMonitorTskCfg.IsRun)
 	{
 		pMMCDev = SF_StrgCheckWorkableDev();
-		
-		if(current_dev != pMMCDev->dev_type)
-		{
-			current_dev = pMMCDev->dev_type;
-			sfStrgOnActionSendCurrentDev(pMMCDev);
+
+		if(pMMCDev != NULL)	{		
+			if(current_id != pMMCDev->dev_type)
+			{
+				current_id = pMMCDev->dev_type;
+				MLOGD("mmc monitor dev has changed!, %d\n", pMMCDev->dev_type);
+				sfStrgOnActionSendCurrentDev(pMMCDev);
+			}
 		}
 			
-		sf_sleep_ms(1000);
+		sf_sleep_ms(5000);
 	}
 	return NULL;
 }
diff --git a/code/application/source/sf_app/code/include/sf_storeMng.h b/code/application/source/sf_app/code/include/sf_storeMng.h
index afda15d0b..9d618e1b1 100644
--- a/code/application/source/sf_app/code/include/sf_storeMng.h
+++ b/code/application/source/sf_app/code/include/sf_storeMng.h
@@ -80,14 +80,13 @@ typedef enum
 typedef struct
 {
 	MMC_DEV_TYPE dev_type;
-	MMC_DEV_NODE_STATE node;
 	MMC_DEV_MOUNT_STATE moumted_state;
 }SF_STRG_DEV;
 
 
 void sf_strg_dev_init(void);
 void sf_strg_dev_uninit(void);
-void sf_strg_dev_register(SF_MESSAGE_BUF_S *pMessageBuf);
+void sf_strg_dev_register(SINT32 dev_id, SINT32 mounted);
 MMC_DEV_TYPE sf_get_strg_dev(void);
 char *sf_root_path_strcat(char *path_name);
 char *sf_get_root_path(void);
diff --git a/code/application/source/sf_app/code/source/app/sf_app.c b/code/application/source/sf_app/code/source/app/sf_app.c
index d47b96fe0..f9b87e31a 100755
--- a/code/application/source/sf_app/code/source/app/sf_app.c
+++ b/code/application/source/sf_app/code/source/app/sf_app.c
@@ -260,9 +260,6 @@ int main(int argc, char *argv[])
         stMessageBuf.arg2 = SF_KEY_PIN_AOTU_MODE_POWOFF;//auto mode powoff
         sf_com_message_send_to_cardv(&stMessageBuf);
     }*/
-    
-	//init stroage_dev struct
-	sf_strg_dev_uninit();
 	
     ftp_manager_uninit();
 	sf_share_mem_file_deinit();
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 c4719316e..dab5c01c4 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
@@ -706,15 +706,15 @@ static SINT32 sfStrgDevEmmcHandler(SF_MESSAGE_BUF_S *pMessageBuf)
 
 static SINT32 sf_app_process_cmd_SD(SF_MESSAGE_BUF_S *pMessageBuf)
 {
-	MLOGD("[dev_id:%d,evt:%s]\n",pMessageBuf->arg2,app_process_SD_getstatusstring(pMessageBuf->arg1));
+	MLOGD("[dev_id:%d,evt:%d]\n",pMessageBuf->arg2,pMessageBuf->arg1);
 
-	if(pMessageBuf->arg2 == MMC_DEV_SD)
+	//if(pMessageBuf->arg2 == MMC_DEV_SD)
 	{
-		sfStrgDevSdHandler(pMessageBuf);
+		//sfStrgDevSdHandler(pMessageBuf);
 	}
-	else if(pMessageBuf->arg2 == MMC_DEV_EMMC)
+	//else if(pMessageBuf->arg2 == MMC_DEV_EMMC)
 	{
-		sfStrgDevEmmcHandler(pMessageBuf);
+		//sfStrgDevEmmcHandler(pMessageBuf);
 	}
 	
 	switch(pMessageBuf->arg1)
@@ -732,7 +732,7 @@ static SINT32 sf_app_process_cmd_SD(SF_MESSAGE_BUF_S *pMessageBuf)
             sf_set_card_statu(pMessageBuf->arg2);
 			break;
 		case CMD_SD_STRG_WORKABLE_DEV:
-			sf_strg_dev_register(pMessageBuf);
+			sf_strg_dev_register(pMessageBuf->arg2, pMessageBuf->arg3);
 			break;
 		default:
 			break;
diff --git a/code/application/source/sf_app/code/source/storeMng/sf_storeMng.c b/code/application/source/sf_app/code/source/storeMng/sf_storeMng.c
index 637fcc673..fd46d4763 100644
--- a/code/application/source/sf_app/code/source/storeMng/sf_storeMng.c
+++ b/code/application/source/sf_app/code/source/storeMng/sf_storeMng.c
@@ -42,8 +42,8 @@ void sf_strg_dev_init(void)
 {
 	sf_strg_dev = (SF_STRG_DEV *)malloc(sizeof(SF_STRG_DEV));
 	sf_strg_dev->dev_type = MMC_DEV_NO;
-	sf_strg_dev->node = MMC_DEV_NODE_STATE_NO;
 	sf_strg_dev->moumted_state = MMC_DEV_MOUNT_STATE_NO;
+	MLOGD("sf_app strg dev init success!\n");
 }
 
 void sf_strg_dev_uninit(void)
@@ -52,11 +52,10 @@ void sf_strg_dev_uninit(void)
 	sf_strg_dev = NULL;
 }
 
-void sf_strg_dev_register(SF_MESSAGE_BUF_S *pMessageBuf)
+void sf_strg_dev_register(SINT32 dev_id, SINT32 mounted)
 {
-	sf_strg_dev->dev_type = pMessageBuf->arg1;
-	sf_strg_dev->node = pMessageBuf->arg2;
-	sf_strg_dev->moumted_state = pMessageBuf->arg3;
+	sf_strg_dev->dev_type = dev_id;
+	sf_strg_dev->moumted_state = mounted;
 }
 
 MMC_DEV_TYPE sf_get_strg_dev(void)
@@ -112,6 +111,7 @@ char *sf_get_root_path(void)
     mmc_dev = sf_get_strg_dev();
     if (mmc_dev == MMC_DEV_NO)
     {
+    	MLOGE("get strg dev no!\n");
         return NULL;
     }
 
@@ -125,6 +125,7 @@ char *sf_get_root_path(void)
         strg_path = (char *)malloc(strlen(SF_EMMC_ROOT) + 1);
         strcpy(strg_path, SF_EMMC_ROOT);
     }
+	MLOGD("strg_path: %s\n", strg_path);
     return strg_path;
 }
 
@@ -143,6 +144,7 @@ char *sf_root_path_strcat(char *path_name)
     strcat(tmp, path_name);
 
     free(strg_path); // 释放内存
+    MLOGD("root path: %s\n", tmp);
     return tmp;
 }