diff --git a/device/config/chips/v851s/configs/fastboot_sl100_back/linux/config-4.9 b/device/config/chips/v851s/configs/fastboot_sl100_back/linux/config-4.9
index 2697807d9..34b2b6e2c 100755
--- a/device/config/chips/v851s/configs/fastboot_sl100_back/linux/config-4.9
+++ b/device/config/chips/v851s/configs/fastboot_sl100_back/linux/config-4.9
@@ -1650,7 +1650,8 @@ CONFIG_ENABLE_SENSOR_FLIP_OPTION=y
 # CONFIG_MULTI_FRAME is not set
 CONFIG_SUPPORT_ISP_TDM=y
 # CONFIG_TDM_LBC_EN is not set
-# CONFIG_TDM_ONE_BUFFER is not set
+CONFIG_TDM_ONE_BUFFER=y
+# CONFIG_TDM_ONE_BUFFER_WITH_TWORX is not set
 # CONFIG_TDM_OFFLINE_HANDLE_RAW is not set
 # CONFIG_MIPI_VC is not set
 CONFIG_AVG_TDM_FIFO=y
@@ -1660,7 +1661,7 @@ CONFIG_D3D=y
 # CONFIG_D3D_LTF_EN is not set
 CONFIG_D3D_COMPRESS_EN=y
 # CONFIG_WDR is not set
-# CONFIG_FRAMEDONE_TWO_BUFFER is not set
+CONFIG_FRAMEDONE_TWO_BUFFER=y
 CONFIG_ISP_SERVER_MELIS=y
 CONFIG_VIN_INIT_MELIS=y
 # CONFIG_SUPPORT_THREE_CAMERA_MELIS is not set
diff --git a/target/allwinner/v851s-fastboot_sl100_back/busybox-init-base-files/APP/has_mpp_video.conf b/target/allwinner/v851s-fastboot_sl100_back/busybox-init-base-files/APP/has_mpp_video.conf
index 506408778..a5ff251ec 100755
--- a/target/allwinner/v851s-fastboot_sl100_back/busybox-init-base-files/APP/has_mpp_video.conf
+++ b/target/allwinner/v851s-fastboot_sl100_back/busybox-init-base-files/APP/has_mpp_video.conf
@@ -189,7 +189,7 @@ isp_ve_linkage_enable = 1
 camera_adaptive_moving_and_static_enable = 0
 ve_lens_moving_max_qp = 40
 
-ve_rec_ref_buf_reduce_enable = 0
+ve_rec_ref_buf_reduce_enable = 1
 
 super_frm_mode = -1        #-1:use default, 0:none, 1:discarded, 2:re-encode
 super_max_rencode_times = 3