diff --git a/rtos/code/application/source/cardv/SrcCode/FastFlow/flow_preview.c b/rtos/code/application/source/cardv/SrcCode/FastFlow/flow_preview.c
index 6c118481d..ae18062a8 100755
--- a/rtos/code/application/source/cardv/SrcCode/FastFlow/flow_preview.c
+++ b/rtos/code/application/source/cardv/SrcCode/FastFlow/flow_preview.c
@@ -1302,7 +1302,7 @@ void setet_preset_param(void)
 	vendor_isp_get_ae(AET_ITEM_STATUS, &ae_status_info);
 	DBG_WRN(">> aet status exp %d iso %d\r\n",ae_status_info.status_info.expotime[0],ae_status_info.status_info.iso_gain[0]);
 	preset_param.expt= ae_status_info.status_info.expotime[0];
-	preset_param.gain= ae_status_info.status_info.iso_gain[0];
+	preset_param.gain= ae_status_info.status_info.iso_gain[0]*10;
 	total_gain.id = 0;
     total_gain.gain = preset_param.gain;
     vendor_isp_set_common(ISPT_ITEM_TOTAL_GAIN, &total_gain);