diff --git a/rtos/code/driver/na51089/source/mcu/sf_mcu.c b/rtos/code/driver/na51089/source/mcu/sf_mcu.c
index 1cf9fbb39..4a7924fa8 100755
--- a/rtos/code/driver/na51089/source/mcu/sf_mcu.c
+++ b/rtos/code/driver/na51089/source/mcu/sf_mcu.c
@@ -38,6 +38,7 @@
 #include "PrjCfg.h"
 #include "sf_battery.h"
 #include <IOCfg.h>
+#include <sf_sd_common.h>
 static UINT8 McuSubVersion = 0;
 static UINT16 McuVersion = 0;
 static UINT8 DailyReportStartMode = 0;
@@ -2172,21 +2173,21 @@ void sf_file_thumb_cfg_sava(void)
     INT32 ret_fs = 0;
     FST_FILE_STATUS FileStat;
     UIMenuStoreInfo *puiPara = sf_ui_para_get();
-#if USE_MMC_DEV_CHECK
-
-	SF_ST_MMC_DEV *mmc_dev = SF_GetMMCDev();
-	if(mmc_dev == NULL)
-	{
-		DBG_ERR("No MMC_Dev Can use!\n");
-		return;
-	}
-	if(mmc_dev->dcf_handle < 0)
-	{
-		DBG_ERR("dcf_handle err!\n");
-		return;
-	}
 	
+#if USE_RTOS_MMC_CHECK	
+		SF_RTOS_ST_MMC_DEV *mmc_dev = SF_RtosStrgCheckWorkableDev();
+		if(mmc_dev ==NULL)
+		{
+			DBG_ERR("No MMC_Dev Can use!\n");
+			return;
+		}
+		if(mmc_dev->dcf_handle < 0)
+		{
+			DBG_ERR("dcf_handle err\n");
+			return;
+		}
 #endif
+
 	if (pThumbFileCfg != NULL) {
 
         char sendListName[64] = {0};
@@ -2199,7 +2200,7 @@ void sf_file_thumb_cfg_sava(void)
         char tmp[64] = {'\0'};
         INT32 uiStatus = 0;
         UINT8  ucAttrib = 0;
-#if USE_MMC_DEV_CHECK
+#if USE_RTOS_MMC_CHECK
 	if(mmc_dev->dev_type == MMC_DEV_SD)
 	{
 		snprintf(tmp, sizeof(tmp), "%c%s", 'A', PHOTO_THUMB_PATH);
@@ -2220,7 +2221,7 @@ void sf_file_thumb_cfg_sava(void)
         }
         #endif
 
-#if USE_MMC_DEV_CHECK
+#if USE_RTOS_MMC_CHECK
 	if(mmc_dev->dev_type == MMC_DEV_SD)
 	{
 		if(0 == puiPara->SendType){