diff --git a/code/application/source/cardv/SrcCode/System/SF_SysStrgMng.c b/code/application/source/cardv/SrcCode/System/SF_SysStrgMng.c
index 8dad83164..05d76076e 100755
--- a/code/application/source/cardv/SrcCode/System/SF_SysStrgMng.c
+++ b/code/application/source/cardv/SrcCode/System/SF_SysStrgMng.c
@@ -18,7 +18,7 @@
 #include <sf_param_common.h>
 #include <sf_param_struct.h>
 #include <FileSysTsk.h>
-
+#include "sf_mcu.h"
 typedef struct
 {
 	int event;
@@ -90,7 +90,12 @@ static UINT32 SF_StrgSpaceCheckFull(MMC_DEV_TYPE mmc_dev)
 {
 	UINT64 diskFree = 0;
     UINT32 ret = 0;
-
+    #if HUNTING_CAMERA_MCU == ENABLE
+    if(sf_get_power_off_flag() || sf_is_usb_flag())
+	{
+		return ret;
+	}
+    #endif
     /*check disk free size*/
 	if(mmc_dev == MMC_DEV_SD)
 	{
@@ -341,7 +346,7 @@ static void* mmc_monitoring_thread(void *arg)
 
 int sf_mmc_dev_check_start(void)
 {
-	SF_StrgInit();// 初始化sf_mmc设备Obj
+	SF_StrgInit();// 初始化sf_mmc设备Obj
 
 	int ret = pthread_create(&MMCMonitorTskCfg.TskId, NULL, mmc_monitoring_thread, NULL);
 	if(ret != SF_SUCCESS)