diff --git a/rk3399pro/BoardConfig.mk b/rk3399pro/BoardConfig.mk
index 3694752..fd916a6 100755
--- a/rk3399pro/BoardConfig.mk
+++ b/rk3399pro/BoardConfig.mk
@@ -7,7 +7,7 @@ export RK_UBOOT_DEFCONFIG=rk3399pro
 # Kernel defconfig
 export RK_KERNEL_DEFCONFIG=rockchip_linux_defconfig
 # Kernel dts
-export RK_KERNEL_DTS=rk3399pro-evb-v11-linux
+export RK_KERNEL_DTS=rk3399pro-evb-v14-linux
 # boot image type
 export RK_BOOT_IMG=boot.img
 # kernel image path
@@ -15,7 +15,7 @@ export RK_KERNEL_IMG=kernel/arch/arm64/boot/Image
 # parameter for GPT table
 export RK_PARAMETER=parameter.txt
 # Buildroot config
-export RK_CFG_BUILDROOT=rockchip_rk3399pro
+export RK_CFG_BUILDROOT=rockchip_rk3399pro_combine
 # Recovery config
 export RK_CFG_RECOVERY=rockchip_rk3399pro_recovery
 # ramboot config
diff --git a/rk3399pro/BoardConfig_debian.mk b/rk3399pro/BoardConfig_debian.mk
index 18d923b..b3936b8 100755
--- a/rk3399pro/BoardConfig_debian.mk
+++ b/rk3399pro/BoardConfig_debian.mk
@@ -7,7 +7,7 @@ export RK_UBOOT_DEFCONFIG=rk3399pro
 # Kernel defconfig
 export RK_KERNEL_DEFCONFIG=rockchip_linux_defconfig
 # Kernel dts
-export RK_KERNEL_DTS=rk3399pro-evb-v11-linux
+export RK_KERNEL_DTS=rk3399pro-evb-v14-linux
 # boot image type
 export RK_BOOT_IMG=boot.img
 # kernel image path
@@ -15,7 +15,7 @@ export RK_KERNEL_IMG=kernel/arch/arm64/boot/Image
 # parameter for GPT table
 export RK_PARAMETER=parameter.txt
 # Buildroot config
-export RK_CFG_BUILDROOT=rockchip_rk3399pro
+export RK_CFG_BUILDROOT=rockchip_rk3399pro_combine
 # Recovery config
 export RK_CFG_RECOVERY=rockchip_rk3399pro_recovery
 # ramboot config
@@ -28,8 +28,10 @@ export RK_JOBS=12
 export RK_TARGET_PRODUCT=rk3399pro
 # Set rootfs type, including ext2 ext4 squashfs
 export RK_ROOTFS_TYPE=ext4
+# yocto machine
+export RK_YOCTO_MACHINE=rockchip-rk3399pro-evb
 # rootfs image path
-export RK_ROOTFS_IMG=rockdev/rootfs.${RK_ROOTFS_TYPE}
+export RK_ROOTFS_IMG=debian/linaro-rootfs.img
 # Set oem partition type, including ext2 squashfs
 export RK_OEM_FS_TYPE=ext2
 # Set userdata partition type, including ext2, fat
diff --git a/rk3399pro/BoardConfig_rk3399pro_usb.mk b/rk3399pro/BoardConfig_rk3399pro_usb.mk
new file mode 100755
index 0000000..fd916a6
--- /dev/null
+++ b/rk3399pro/BoardConfig_rk3399pro_usb.mk
@@ -0,0 +1,46 @@
+#!/bin/bash
+
+# Target arch
+export RK_ARCH=arm64
+# Uboot defconfig
+export RK_UBOOT_DEFCONFIG=rk3399pro
+# Kernel defconfig
+export RK_KERNEL_DEFCONFIG=rockchip_linux_defconfig
+# Kernel dts
+export RK_KERNEL_DTS=rk3399pro-evb-v14-linux
+# boot image type
+export RK_BOOT_IMG=boot.img
+# kernel image path
+export RK_KERNEL_IMG=kernel/arch/arm64/boot/Image
+# parameter for GPT table
+export RK_PARAMETER=parameter.txt
+# Buildroot config
+export RK_CFG_BUILDROOT=rockchip_rk3399pro_combine
+# Recovery config
+export RK_CFG_RECOVERY=rockchip_rk3399pro_recovery
+# ramboot config
+export RK_CFG_RAMBOOT=
+# Pcba config
+export RK_CFG_PCBA=rockchip_rk3399pro_pcba
+# Build jobs
+export RK_JOBS=12
+# target chip
+export RK_TARGET_PRODUCT=rk3399pro
+# Set rootfs type, including ext2 ext4 squashfs
+export RK_ROOTFS_TYPE=ext4
+# yocto machine
+export RK_YOCTO_MACHINE=rockchip-rk3399pro-evb
+# rootfs image path
+export RK_ROOTFS_IMG=rockdev/rootfs.${RK_ROOTFS_TYPE}
+# Set oem partition type, including ext2 squashfs
+export RK_OEM_FS_TYPE=ext2
+# Set userdata partition type, including ext2, fat
+export RK_USERDATA_FS_TYPE=ext2
+#OEM config
+export RK_OEM_DIR=oem_normal
+#userdata config
+export RK_USERDATA_DIR=userdata_normal
+#misc image
+export RK_MISC=wipe_all-misc.img
+#choose enable distro module
+export RK_DISTRO_MODULE=