diff --git a/code/application/source/cardv/SrcCode/UIWnd/LVGL_SPORTCAM/UIFlowLVGL/UIFlowPhoto/UIFlowPhotoEventCallback.c b/code/application/source/cardv/SrcCode/UIWnd/LVGL_SPORTCAM/UIFlowLVGL/UIFlowPhoto/UIFlowPhotoEventCallback.c
index 1d6a0655c..9cfc4a93d 100755
--- a/code/application/source/cardv/SrcCode/UIWnd/LVGL_SPORTCAM/UIFlowLVGL/UIFlowPhoto/UIFlowPhotoEventCallback.c
+++ b/code/application/source/cardv/SrcCode/UIWnd/LVGL_SPORTCAM/UIFlowLVGL/UIFlowPhoto/UIFlowPhotoEventCallback.c
@@ -1653,6 +1653,7 @@ void UIFlowPhoto_UpdateInfo(lv_obj_t* obj, const LV_USER_EVENT_NVTMSG_DATA* msg)
 	case UIAPPPHOTO_CB_CAPSTART:
         #if HUNTING_CAMERA_MCU == ENABLE
         sf_set_cap_statu(TRUE);
+        sf_set_cammode_statu(puiPara->CamMode);
         #endif
 
 		if(obj == UIFlowPhoto)
@@ -1679,7 +1680,7 @@ void UIFlowPhoto_UpdateInfo(lv_obj_t* obj, const LV_USER_EVENT_NVTMSG_DATA* msg)
 
 		UIFlowPhoto_BackPreviewHandle();
 #if HUNTING_CAMERA_MCU == ENABLE
-        if((sf_get_mode_flag()) && (puiPara->CamMode == SF_CAM_MODE_PHOTO_VIDEO || puiPara->CamMode == SF_CAM_MODE_VIDEO2)){
+        if((sf_get_mode_flag()) && (sf_get_cammode_statu() == SF_CAM_MODE_PHOTO_VIDEO || sf_get_cammode_statu() == SF_CAM_MODE_VIDEO2)){
 #else
 		if(SysGetFlag(CamMode) == SF_CAM_MODE_PHOTO_VIDEO){
 #endif
diff --git a/code/lib/source/sifar/code/include/sf_common.h b/code/lib/source/sifar/code/include/sf_common.h
index 4e52744da..62830bdeb 100755
--- a/code/lib/source/sifar/code/include/sf_common.h
+++ b/code/lib/source/sifar/code/include/sf_common.h
@@ -189,4 +189,7 @@ void sf_set_msdc_clk(void);
 void sf_send_message_to_create_qrcode(void);
 UINT8 sf_get_rtsp_flag(void);
 void sf_set_rtsp_flag(UINT8 flag);
+char sf_get_cammode_statu(void);
+void sf_set_cammode_statu(char is);
+BOOL sf_set_backlight_status(unsigned char argc, char **argv);
 #endif
diff --git a/code/lib/source/sifar/code/source/common/sf_common.c b/code/lib/source/sifar/code/source/common/sf_common.c
index 2466f2e3c..40e51004b 100755
--- a/code/lib/source/sifar/code/source/common/sf_common.c
+++ b/code/lib/source/sifar/code/source/common/sf_common.c
@@ -100,7 +100,7 @@ static UINT8 UiparaFlag = 0;
 static SF_BLE_STATUS_E BleStatus = SF_BLE_OK;
 static UINT8 McuUpdateFlag = 0;
 static SF_GPS_STATUS_E gGpsSearching = SF_GPS_SEARCHING_UNKNOW;
-
+static char CamMode = 0;
 static SF_THREAD_S UpgradeTskParam =
 {
     .IsRun = 0,
@@ -3368,4 +3368,29 @@ void sf_send_message_to_create_qrcode(void)
 	stMessageBuf.arg1 = SF_EVENT_KEY_MOCK_CREATE_QR_CODE;
 	stMessageBuf.cmdId = CMD_KEY;
 	sf_com_message_send_to_app(&stMessageBuf);
-}
\ No newline at end of file
+}
+
+void sf_set_cammode_statu(char is)
+{
+	CamMode = is;
+	//printf("[%s]:%d IsCap:%d\n", __FUNCTION__, __LINE__,IsCap);
+}
+
+char sf_get_cammode_statu(void)
+{
+	//printf("[%s]:%d IsCap:%d\n", __FUNCTION__, __LINE__,IsCap);
+	return CamMode;
+
+}
+
+BOOL sf_set_backlight_status(unsigned char argc, char **argv)
+{
+	UINT32 value;
+	sscanf_s(argv[0],"%d", &value);
+    printf("[%s:%d] value:%d\n", __FUNCTION__, __LINE__,value);
+	if(value < SF_ON_OFF_MAX){
+        printf("[%s:%d] Status:%d\n", __FUNCTION__, __LINE__,GPIO_SetBacklightStatus(value));
+	}
+
+	return TRUE;
+}