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 5683b9c31..dedfa40af 100644
--- a/code/application/source/sf_app/code/include/sf_storeMng.h
+++ b/code/application/source/sf_app/code/include/sf_storeMng.h
@@ -91,6 +91,7 @@ MMC_DEV_TYPE sf_get_strg_dev(void);
 char *sf_root_path_strcat(char *path_name);
 char *sf_get_root_path(void);
 
+SINT32 sf_activity_info_get(SF_STORE_ATTR_S *pstoreattrs);
 SINT32 sf_sd_info_get(SF_STORE_ATTR_S *pstoreattrs);
 SINT32 sf_emmc_info_get(SF_STORE_ATTR_S *pstoreattrs);
 SINT32 sf_sd_remove_file(const char *path,SINT32 threshold) ;
diff --git a/code/application/source/sf_app/code/source/4gMng/sf_sms.c b/code/application/source/sf_app/code/source/4gMng/sf_sms.c
index fc0f023f5..7ea692a44 100755
--- a/code/application/source/sf_app/code/source/4gMng/sf_sms.c
+++ b/code/application/source/sf_app/code/source/4gMng/sf_sms.c
@@ -2676,9 +2676,8 @@ SINT32 sf_power_off_check_sd(void)
 {
     UIMenuStoreInfo *puiPara = sf_app_ui_para_get();
 	SF_STORE_ATTR_S storeattrs = {0};
-    MMC_DEV_TYPE mmc_dev = MMC_DEV_NO;
+    SF_STORE_ATTR_S SDstoreattrs = {0};
 
-    mmc_dev = sf_get_strg_dev();
 	/********************  SD cycle  *************************/
     if((0 == sf_check_sd()) || (sf_get_mode_flag() == 1))
     {
@@ -2692,10 +2691,10 @@ SINT32 sf_power_off_check_sd(void)
 
         /*check disk free size*/
         sf_emmc_info_get(&storeattrs);
-
+        sf_sd_info_get(&SDstoreattrs);
         if((puiPara->SdLoopSwitch) && (!sf_get_mode_flag()))
         {
-            if((storeattrs.SDStatus == 0) &  (storeattrs.SDFree < SDLOOP_REMAIN_SPACE))
+            if((storeattrs.SDStatus == 0) &  (storeattrs.SDFree < SDLOOP_REMAIN_SPACE) && (SDstoreattrs.SDFree < 30))
             {
                 // sf_sd_loopremove(SF_DCIM_DIR);
                 sf_app_sd_loop();
@@ -2704,29 +2703,14 @@ SINT32 sf_power_off_check_sd(void)
             }
         }
         printf("Emmc free=%dM/%dM\n", storeattrs.SDFree, storeattrs.SDTotalSize);
-        if(mmc_dev != MMC_DEV_EMMC)
+        printf("SD free=%dM/%dM\n", SDstoreattrs.SDFree, SDstoreattrs.SDTotalSize);
+
+        if((SDstoreattrs.SDFree < 30) && (storeattrs.SDFree < 30)) /* 30MB */
         {
-            sf_sd_info_get(&storeattrs);
-            printf("SD free=%dM/%dM\n", storeattrs.SDFree, storeattrs.SDTotalSize);
-            if(storeattrs.SDFree < 30) /* 30MB */
-            {
-                sf_set_card_full(1);
-                puiPara->SdFailCount++;
-                sf_sleep_ms(100);
-            }
-        }
-        else if(storeattrs.SDFree < 30) /* 30MB */
-        {
-            if(puiPara->SdLoopSwitch == 0)
-            {
-                sf_set_card_full(1);
-                puiPara->SdFailCount++;
-                sf_sleep_ms(100);
-            }
-            if(mmc_dev == MMC_DEV_EMMC)
-            {
-                printf("eMMC is FULL!\n");
-            }
+            sf_set_card_full(1);
+            puiPara->SdFailCount++;
+            sf_sleep_ms(100);
+            printf("card is FULL!\n");
         }
         else
         {
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 b0ceaae2d..42952aa33 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
@@ -616,7 +616,7 @@ static SINT32 sfStrgDevOnActionMount(int dev_id, int result)
 			if(SF_MCU_STARTUP_ONKEY == startup)
 			{
 				SF_STORE_ATTR_S storeattrs = {0};
-				sf_sd_info_get(&storeattrs);
+				sf_activity_info_get(&storeattrs);
 				printf("SD free=%dM/%dM\n", storeattrs.SDFree, storeattrs.SDTotalSize);
 				if (storeattrs.SDFree < 30) /* 30MB */
 				{
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 17effaf85..8def81ef8 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
@@ -152,7 +152,7 @@ char *sf_root_path_strcat(char *path_name)
     return tmp;
 }
 
-SINT32 sf_sd_info_get(SF_STORE_ATTR_S *pstoreattrs)
+SINT32 sf_activity_info_get(SF_STORE_ATTR_S *pstoreattrs)
 {
 	SF_COMM_CHECK_POINTER(pstoreattrs,SF_FAILURE);
 	
@@ -195,6 +195,44 @@ SINT32 sf_sd_info_get(SF_STORE_ATTR_S *pstoreattrs)
 		return SF_FAILURE;
     }
 
+    MLOGD("ActiveStorage:Status = %d,Free = %d MB,TotalSize = %d MB\n", pstoreattrs->SDStatus, pstoreattrs->SDFree,pstoreattrs->SDTotalSize);
+    return SF_SUCCESS;
+}
+SINT32 sf_sd_info_get(SF_STORE_ATTR_S *pstoreattrs)
+{
+	SF_COMM_CHECK_POINTER(pstoreattrs,SF_FAILURE);
+	
+	SINT32 fd = -1;
+    fd = open(SF_SD_ROOT, O_RDONLY,0);
+    if(fd >= 0)
+    {
+        struct statfs diskInfo;
+        statfs(SF_SD_ROOT, &diskInfo);
+        if(diskInfo.f_bsize > 1024)
+        {
+            pstoreattrs->SDTotalSize = (diskInfo.f_blocks * (diskInfo.f_bsize >> 10)) >> 10 ; //blocks * 4096 / 1024 /1024 = MB
+            pstoreattrs->SDFree = (diskInfo.f_bavail * (diskInfo.f_bsize >> 10)) >> 10 ;
+        }
+        else
+        {
+            pstoreattrs->SDTotalSize = (diskInfo.f_blocks * diskInfo.f_bsize) >> 10 ; //blocks * 4096 / 1024 /1024 = MB
+            pstoreattrs->SDFree = (diskInfo.f_bavail * diskInfo.f_bsize) >> 10 ;
+        }
+        close(fd);
+
+        if(pstoreattrs->SDTotalSize > 0)
+            pstoreattrs->SDStatus = 0; //SD card SUCESS
+        else
+            pstoreattrs->SDStatus = 2; //SD card ERROR
+    }
+    else
+    {
+        pstoreattrs->SDStatus = 1; //SD card not insert
+        pstoreattrs->SDFree = 0;
+        pstoreattrs->SDTotalSize = 0;
+		return SF_FAILURE;
+    }
+
     MLOGD("SDStatus = %d,SDFree = %d MB,SDTotalSize = %d MB\n", pstoreattrs->SDStatus, pstoreattrs->SDFree,pstoreattrs->SDTotalSize);
     return SF_SUCCESS;
 }