diff --git a/buildroot-2021.05/board/milkv/milkv-duo-python/overlay/.gitignore b/buildroot-2021.05/board/milkv/milkv-duo-lite/overlay/.gitignore
similarity index 100%
rename from buildroot-2021.05/board/milkv/milkv-duo-python/overlay/.gitignore
rename to buildroot-2021.05/board/milkv/milkv-duo-lite/overlay/.gitignore
diff --git a/buildroot-2021.05/board/milkv/milkv-duo-python/overlay/etc/dnsmasq.conf b/buildroot-2021.05/board/milkv/milkv-duo-lite/overlay/etc/dnsmasq.conf
similarity index 100%
rename from buildroot-2021.05/board/milkv/milkv-duo-python/overlay/etc/dnsmasq.conf
rename to buildroot-2021.05/board/milkv/milkv-duo-lite/overlay/etc/dnsmasq.conf
diff --git a/buildroot-2021.05/board/milkv/milkv-duo-python/overlay/etc/init.d/S99user b/buildroot-2021.05/board/milkv/milkv-duo-lite/overlay/etc/init.d/S99user
similarity index 100%
rename from buildroot-2021.05/board/milkv/milkv-duo-python/overlay/etc/init.d/S99user
rename to buildroot-2021.05/board/milkv/milkv-duo-lite/overlay/etc/init.d/S99user
diff --git a/buildroot-2021.05/board/milkv/milkv-duo-python/overlay/etc/inittab b/buildroot-2021.05/board/milkv/milkv-duo-lite/overlay/etc/inittab
similarity index 100%
rename from buildroot-2021.05/board/milkv/milkv-duo-python/overlay/etc/inittab
rename to buildroot-2021.05/board/milkv/milkv-duo-lite/overlay/etc/inittab
diff --git a/buildroot-2021.05/board/milkv/milkv-duo-python/overlay/etc/profile b/buildroot-2021.05/board/milkv/milkv-duo-lite/overlay/etc/profile
similarity index 100%
rename from buildroot-2021.05/board/milkv/milkv-duo-python/overlay/etc/profile
rename to buildroot-2021.05/board/milkv/milkv-duo-lite/overlay/etc/profile
diff --git a/buildroot-2021.05/board/milkv/milkv-duo-python/overlay/etc/run_usb.sh b/buildroot-2021.05/board/milkv/milkv-duo-lite/overlay/etc/run_usb.sh
similarity index 100%
rename from buildroot-2021.05/board/milkv/milkv-duo-python/overlay/etc/run_usb.sh
rename to buildroot-2021.05/board/milkv/milkv-duo-lite/overlay/etc/run_usb.sh
diff --git a/buildroot-2021.05/board/milkv/milkv-duo-python/overlay/etc/uhubon.sh b/buildroot-2021.05/board/milkv/milkv-duo-lite/overlay/etc/uhubon.sh
similarity index 100%
rename from buildroot-2021.05/board/milkv/milkv-duo-python/overlay/etc/uhubon.sh
rename to buildroot-2021.05/board/milkv/milkv-duo-lite/overlay/etc/uhubon.sh
diff --git a/buildroot-2021.05/board/milkv/milkv-duo-python/overlay/lib/ld-musl-riscv64v0p7_xthead.so.1 b/buildroot-2021.05/board/milkv/milkv-duo-lite/overlay/lib/ld-musl-riscv64v0p7_xthead.so.1
similarity index 100%
rename from buildroot-2021.05/board/milkv/milkv-duo-python/overlay/lib/ld-musl-riscv64v0p7_xthead.so.1
rename to buildroot-2021.05/board/milkv/milkv-duo-lite/overlay/lib/ld-musl-riscv64v0p7_xthead.so.1
diff --git a/buildroot-2021.05/board/milkv/milkv-duo-python/overlay/mnt/system/S99msc b/buildroot-2021.05/board/milkv/milkv-duo-lite/overlay/mnt/system/S99msc
similarity index 100%
rename from buildroot-2021.05/board/milkv/milkv-duo-python/overlay/mnt/system/S99msc
rename to buildroot-2021.05/board/milkv/milkv-duo-lite/overlay/mnt/system/S99msc
diff --git a/buildroot-2021.05/board/milkv/milkv-duo-python/overlay/usr/lib64v0p7_xthead/lp64d/libc.so b/buildroot-2021.05/board/milkv/milkv-duo-lite/overlay/usr/lib64v0p7_xthead/lp64d/libc.so
similarity index 100%
rename from buildroot-2021.05/board/milkv/milkv-duo-python/overlay/usr/lib64v0p7_xthead/lp64d/libc.so
rename to buildroot-2021.05/board/milkv/milkv-duo-lite/overlay/usr/lib64v0p7_xthead/lp64d/libc.so
diff --git a/buildroot-2021.05/board/milkv/milkv-duo-python/overlay/usr/local/bin/autologin b/buildroot-2021.05/board/milkv/milkv-duo-lite/overlay/usr/local/bin/autologin
similarity index 100%
rename from buildroot-2021.05/board/milkv/milkv-duo-python/overlay/usr/local/bin/autologin
rename to buildroot-2021.05/board/milkv/milkv-duo-lite/overlay/usr/local/bin/autologin
diff --git a/buildroot-2021.05/board/milkv/milkv-duo256m-python/overlay/.gitignore b/buildroot-2021.05/board/milkv/milkv-duo256m-lite/overlay/.gitignore
similarity index 100%
rename from buildroot-2021.05/board/milkv/milkv-duo256m-python/overlay/.gitignore
rename to buildroot-2021.05/board/milkv/milkv-duo256m-lite/overlay/.gitignore
diff --git a/buildroot-2021.05/board/milkv/milkv-duo256m-python/overlay/etc/dnsmasq.conf b/buildroot-2021.05/board/milkv/milkv-duo256m-lite/overlay/etc/dnsmasq.conf
similarity index 100%
rename from buildroot-2021.05/board/milkv/milkv-duo256m-python/overlay/etc/dnsmasq.conf
rename to buildroot-2021.05/board/milkv/milkv-duo256m-lite/overlay/etc/dnsmasq.conf
diff --git a/buildroot-2021.05/board/milkv/milkv-duo256m-python/overlay/etc/init.d/S99user b/buildroot-2021.05/board/milkv/milkv-duo256m-lite/overlay/etc/init.d/S99user
similarity index 100%
rename from buildroot-2021.05/board/milkv/milkv-duo256m-python/overlay/etc/init.d/S99user
rename to buildroot-2021.05/board/milkv/milkv-duo256m-lite/overlay/etc/init.d/S99user
diff --git a/buildroot-2021.05/board/milkv/milkv-duo256m-python/overlay/etc/inittab b/buildroot-2021.05/board/milkv/milkv-duo256m-lite/overlay/etc/inittab
similarity index 100%
rename from buildroot-2021.05/board/milkv/milkv-duo256m-python/overlay/etc/inittab
rename to buildroot-2021.05/board/milkv/milkv-duo256m-lite/overlay/etc/inittab
diff --git a/buildroot-2021.05/board/milkv/milkv-duo256m-python/overlay/etc/profile b/buildroot-2021.05/board/milkv/milkv-duo256m-lite/overlay/etc/profile
similarity index 100%
rename from buildroot-2021.05/board/milkv/milkv-duo256m-python/overlay/etc/profile
rename to buildroot-2021.05/board/milkv/milkv-duo256m-lite/overlay/etc/profile
diff --git a/buildroot-2021.05/board/milkv/milkv-duo256m-python/overlay/etc/run_usb.sh b/buildroot-2021.05/board/milkv/milkv-duo256m-lite/overlay/etc/run_usb.sh
similarity index 100%
rename from buildroot-2021.05/board/milkv/milkv-duo256m-python/overlay/etc/run_usb.sh
rename to buildroot-2021.05/board/milkv/milkv-duo256m-lite/overlay/etc/run_usb.sh
diff --git a/buildroot-2021.05/board/milkv/milkv-duo256m-python/overlay/etc/uhubon.sh b/buildroot-2021.05/board/milkv/milkv-duo256m-lite/overlay/etc/uhubon.sh
similarity index 100%
rename from buildroot-2021.05/board/milkv/milkv-duo256m-python/overlay/etc/uhubon.sh
rename to buildroot-2021.05/board/milkv/milkv-duo256m-lite/overlay/etc/uhubon.sh
diff --git a/buildroot-2021.05/board/milkv/milkv-duo256m-python/overlay/lib/ld-musl-riscv64v0p7_xthead.so.1 b/buildroot-2021.05/board/milkv/milkv-duo256m-lite/overlay/lib/ld-musl-riscv64v0p7_xthead.so.1
similarity index 100%
rename from buildroot-2021.05/board/milkv/milkv-duo256m-python/overlay/lib/ld-musl-riscv64v0p7_xthead.so.1
rename to buildroot-2021.05/board/milkv/milkv-duo256m-lite/overlay/lib/ld-musl-riscv64v0p7_xthead.so.1
diff --git a/buildroot-2021.05/board/milkv/milkv-duo256m-python/overlay/mnt/system/S99msc b/buildroot-2021.05/board/milkv/milkv-duo256m-lite/overlay/mnt/system/S99msc
similarity index 100%
rename from buildroot-2021.05/board/milkv/milkv-duo256m-python/overlay/mnt/system/S99msc
rename to buildroot-2021.05/board/milkv/milkv-duo256m-lite/overlay/mnt/system/S99msc
diff --git a/buildroot-2021.05/board/milkv/milkv-duo256m-python/overlay/usr/lib64v0p7_xthead/lp64d/libc.so b/buildroot-2021.05/board/milkv/milkv-duo256m-lite/overlay/usr/lib64v0p7_xthead/lp64d/libc.so
similarity index 100%
rename from buildroot-2021.05/board/milkv/milkv-duo256m-python/overlay/usr/lib64v0p7_xthead/lp64d/libc.so
rename to buildroot-2021.05/board/milkv/milkv-duo256m-lite/overlay/usr/lib64v0p7_xthead/lp64d/libc.so
diff --git a/buildroot-2021.05/board/milkv/milkv-duo256m-python/overlay/usr/local/bin/autologin b/buildroot-2021.05/board/milkv/milkv-duo256m-lite/overlay/usr/local/bin/autologin
similarity index 100%
rename from buildroot-2021.05/board/milkv/milkv-duo256m-python/overlay/usr/local/bin/autologin
rename to buildroot-2021.05/board/milkv/milkv-duo256m-lite/overlay/usr/local/bin/autologin
diff --git a/buildroot-2021.05/configs/milkv-duo-python_musl_riscv64_defconfig b/buildroot-2021.05/configs/milkv-duo-lite_musl_riscv64_defconfig
similarity index 95%
rename from buildroot-2021.05/configs/milkv-duo-python_musl_riscv64_defconfig
rename to buildroot-2021.05/configs/milkv-duo-lite_musl_riscv64_defconfig
index abfc7b15f..d7cc31268 100644
--- a/buildroot-2021.05/configs/milkv-duo-python_musl_riscv64_defconfig
+++ b/buildroot-2021.05/configs/milkv-duo-lite_musl_riscv64_defconfig
@@ -59,7 +59,7 @@ BR2_BZCAT="bzcat"
 BR2_XZCAT="xzcat"
 BR2_LZCAT="lzip -d -c"
 BR2_TAR_OPTIONS=""
-BR2_DEFCONFIG="./configs/milkv-duo_musl_riscv64_defconfig"
+BR2_DEFCONFIG="./configs/milkv-duo-lite_musl_riscv64_defconfig"
 BR2_DL_DIR="$(TOPDIR)/dl"
 BR2_HOST_DIR="$(BASE_DIR)/host"
 
@@ -249,7 +249,7 @@ BR2_ENABLE_LOCALE_WHITELIST="C en_US"
 # BR2_SYSTEM_ENABLE_NLS is not set
 # BR2_TARGET_TZ_INFO is not set
 BR2_ROOTFS_USERS_TABLES=""
-BR2_ROOTFS_OVERLAY="board/milkv/milkv-duo-python/overlay"
+BR2_ROOTFS_OVERLAY="board/milkv/milkv-duo-lite/overlay"
 BR2_ROOTFS_POST_BUILD_SCRIPT=""
 BR2_ROOTFS_POST_FAKEROOT_SCRIPT=""
 BR2_ROOTFS_POST_IMAGE_SCRIPT=""
@@ -331,25 +331,6 @@ BR2_PACKAGE_EVTEST=y
 # BR2_PACKAGE_FCONFIG is not set
 BR2_PACKAGE_FLASHROM_ARCH_SUPPORTS=y
 
-BR2_PACKAGE_PYTHON3=y
-BR2_PACKAGE_PYTHON3_PY_PYC=y
-BR2_PACKAGE_PYTHON_LXML=y
-BR2_PACKAGE_PYTHON_PIP=y
-BR2_PACKAGE_PYTHON_SETUPTOOLS=y
-BR2_PACKAGE_PYTHON3_SSL=y
-
-BR2_PACKAGE_PYTHON_SERIAL=y
-BR2_PACKAGE_PYTHON_PILLOW=y
-BR2_PACKAGE_PYTHON_SMBUS_CFFI=y
-BR2_PACKAGE_PYTHON_SPIDEV=y
-BR2_PACKAGE_PYTHON_MODBUS_TK=y
-BR2_PACKAGE_PYTHON_EVDEV=y
-BR2_PACKAGE_PYTHON_FREETYPE=y
-
-BR2_PACKAGE_PYTHON_PINPONG=y
-
-BR2_PACKAGE_PYTHON_PSUTIL=y
-
 #
 # Compression and decompression
 #
diff --git a/buildroot-2021.05/configs/milkv-duo256m-python_musl_riscv64_defconfig b/buildroot-2021.05/configs/milkv-duo256m-lite_musl_riscv64_defconfig
similarity index 95%
rename from buildroot-2021.05/configs/milkv-duo256m-python_musl_riscv64_defconfig
rename to buildroot-2021.05/configs/milkv-duo256m-lite_musl_riscv64_defconfig
index 519ba82ce..39387eff8 100644
--- a/buildroot-2021.05/configs/milkv-duo256m-python_musl_riscv64_defconfig
+++ b/buildroot-2021.05/configs/milkv-duo256m-lite_musl_riscv64_defconfig
@@ -59,7 +59,7 @@ BR2_BZCAT="bzcat"
 BR2_XZCAT="xzcat"
 BR2_LZCAT="lzip -d -c"
 BR2_TAR_OPTIONS=""
-BR2_DEFCONFIG="./configs/milkv-duo256m-python_musl_riscv64_defconfig"
+BR2_DEFCONFIG="./configs/milkv-duo256m-lite_musl_riscv64_defconfig"
 BR2_DL_DIR="$(TOPDIR)/dl"
 BR2_HOST_DIR="$(BASE_DIR)/host"
 
@@ -227,7 +227,7 @@ BR2_ENABLE_LOCALE_WHITELIST="C en_US"
 # BR2_SYSTEM_ENABLE_NLS is not set
 # BR2_TARGET_TZ_INFO is not set
 BR2_ROOTFS_USERS_TABLES=""
-BR2_ROOTFS_OVERLAY="board/milkv/milkv-duo256m-python/overlay"
+BR2_ROOTFS_OVERLAY="board/milkv/milkv-duo256m-lite/overlay"
 BR2_ROOTFS_POST_BUILD_SCRIPT=""
 BR2_ROOTFS_POST_FAKEROOT_SCRIPT=""
 BR2_ROOTFS_POST_IMAGE_SCRIPT=""
@@ -307,23 +307,6 @@ BR2_PACKAGE_EVTEST=y
 # BR2_PACKAGE_FCONFIG is not set
 BR2_PACKAGE_FLASHROM_ARCH_SUPPORTS=y
 
-BR2_PACKAGE_PYTHON3=y
-BR2_PACKAGE_PYTHON3_PY_PYC=y
-BR2_PACKAGE_PYTHON_LXML=y
-BR2_PACKAGE_PYTHON_PIP=y
-BR2_PACKAGE_PYTHON_SETUPTOOLS=y
-BR2_PACKAGE_PYTHON3_SSL=y
-
-BR2_PACKAGE_PYTHON_SERIAL=y
-BR2_PACKAGE_PYTHON_PILLOW=y
-BR2_PACKAGE_PYTHON_SMBUS_CFFI=y
-BR2_PACKAGE_PYTHON_SPIDEV=y
-BR2_PACKAGE_PYTHON_MODBUS_TK=y
-BR2_PACKAGE_PYTHON_EVDEV=y
-BR2_PACKAGE_PYTHON_FREETYPE=y
-
-BR2_PACKAGE_PYTHON_PSUTIL=y
-
 #
 # Compression and decompression
 #
diff --git a/buildroot-2021.05/configs/milkv-duo256m_musl_riscv64_defconfig b/buildroot-2021.05/configs/milkv-duo256m_musl_riscv64_defconfig
index 01b00f10a..1179104a2 100644
--- a/buildroot-2021.05/configs/milkv-duo256m_musl_riscv64_defconfig
+++ b/buildroot-2021.05/configs/milkv-duo256m_musl_riscv64_defconfig
@@ -307,6 +307,23 @@ BR2_PACKAGE_EVTEST=y
 # BR2_PACKAGE_FCONFIG is not set
 BR2_PACKAGE_FLASHROM_ARCH_SUPPORTS=y
 
+BR2_PACKAGE_PYTHON3=y
+BR2_PACKAGE_PYTHON3_PY_PYC=y
+BR2_PACKAGE_PYTHON_LXML=y
+BR2_PACKAGE_PYTHON_PIP=y
+BR2_PACKAGE_PYTHON_SETUPTOOLS=y
+BR2_PACKAGE_PYTHON3_SSL=y
+
+BR2_PACKAGE_PYTHON_SERIAL=y
+BR2_PACKAGE_PYTHON_PILLOW=y
+BR2_PACKAGE_PYTHON_SMBUS_CFFI=y
+BR2_PACKAGE_PYTHON_SPIDEV=y
+BR2_PACKAGE_PYTHON_MODBUS_TK=y
+BR2_PACKAGE_PYTHON_EVDEV=y
+BR2_PACKAGE_PYTHON_FREETYPE=y
+
+BR2_PACKAGE_PYTHON_PSUTIL=y
+
 #
 # Compression and decompression
 #
diff --git a/buildroot-2021.05/configs/milkv-duo_musl_riscv64_defconfig b/buildroot-2021.05/configs/milkv-duo_musl_riscv64_defconfig
index 9fcabd14e..0b0fba01d 100644
--- a/buildroot-2021.05/configs/milkv-duo_musl_riscv64_defconfig
+++ b/buildroot-2021.05/configs/milkv-duo_musl_riscv64_defconfig
@@ -331,6 +331,25 @@ BR2_PACKAGE_EVTEST=y
 # BR2_PACKAGE_FCONFIG is not set
 BR2_PACKAGE_FLASHROM_ARCH_SUPPORTS=y
 
+BR2_PACKAGE_PYTHON3=y
+BR2_PACKAGE_PYTHON3_PY_PYC=y
+BR2_PACKAGE_PYTHON_LXML=y
+BR2_PACKAGE_PYTHON_PIP=y
+BR2_PACKAGE_PYTHON_SETUPTOOLS=y
+BR2_PACKAGE_PYTHON3_SSL=y
+
+BR2_PACKAGE_PYTHON_SERIAL=y
+BR2_PACKAGE_PYTHON_PILLOW=y
+BR2_PACKAGE_PYTHON_SMBUS_CFFI=y
+BR2_PACKAGE_PYTHON_SPIDEV=y
+BR2_PACKAGE_PYTHON_MODBUS_TK=y
+BR2_PACKAGE_PYTHON_EVDEV=y
+BR2_PACKAGE_PYTHON_FREETYPE=y
+
+BR2_PACKAGE_PYTHON_PINPONG=y
+
+BR2_PACKAGE_PYTHON_PSUTIL=y
+
 #
 # Compression and decompression
 #
diff --git a/device/milkv-duo-python/boardconfig.sh b/device/milkv-duo-lite/boardconfig.sh
similarity index 81%
rename from device/milkv-duo-python/boardconfig.sh
rename to device/milkv-duo-lite/boardconfig.sh
index ebc9239d9..d8cdcd626 100644
--- a/device/milkv-duo-python/boardconfig.sh
+++ b/device/milkv-duo-lite/boardconfig.sh
@@ -1,6 +1,6 @@
 #!/bin/bash
 
-export MV_BOARD=milkv-duo-python
+export MV_BOARD=milkv-duo-lite
 export MV_BOARD_CPU=cv1800b
 export MV_VENDOR=milkv
 export MV_BUILD_ENV=milkvsetup.sh
diff --git a/device/milkv-duo-python/genimage.cfg b/device/milkv-duo-lite/genimage.cfg
similarity index 94%
rename from device/milkv-duo-python/genimage.cfg
rename to device/milkv-duo-lite/genimage.cfg
index 106ebd0e8..b54c12b05 100644
--- a/device/milkv-duo-python/genimage.cfg
+++ b/device/milkv-duo-lite/genimage.cfg
@@ -16,7 +16,7 @@ image rootfs.ext4 {
 	size = 768M
 }
 
-image milkv-duo-python.img {
+image milkv-duo-lite.img {
 	hdimage {
 	}
 
diff --git a/device/milkv-duo-python/overlay b/device/milkv-duo-lite/overlay
similarity index 100%
rename from device/milkv-duo-python/overlay
rename to device/milkv-duo-lite/overlay
diff --git a/device/milkv-duo256m-python/boardconfig.sh b/device/milkv-duo256m-lite/boardconfig.sh
similarity index 79%
rename from device/milkv-duo256m-python/boardconfig.sh
rename to device/milkv-duo256m-lite/boardconfig.sh
index 3a4597be2..5cd2c3891 100644
--- a/device/milkv-duo256m-python/boardconfig.sh
+++ b/device/milkv-duo256m-lite/boardconfig.sh
@@ -1,6 +1,6 @@
 #!/bin/bash
 
-export MV_BOARD=milkv-duo256m-python
+export MV_BOARD=milkv-duo256m-lite
 export MV_BOARD_CPU=cv1812cp
 export MV_VENDOR=milkv
 export MV_BUILD_ENV=milkvsetup.sh
diff --git a/device/milkv-duo256m-python/genimage.cfg b/device/milkv-duo256m-lite/genimage.cfg
similarity index 91%
rename from device/milkv-duo256m-python/genimage.cfg
rename to device/milkv-duo256m-lite/genimage.cfg
index efdca6a21..5a4c6fdf0 100644
--- a/device/milkv-duo256m-python/genimage.cfg
+++ b/device/milkv-duo256m-lite/genimage.cfg
@@ -16,7 +16,7 @@ image rootfs.ext4 {
 	size = 768M
 }
 
-image milkv-duo256m-python.img {
+image milkv-duo256m-lite.img {
 	hdimage {
 	}
 
diff --git a/device/milkv-duo256m-lite/overlay b/device/milkv-duo256m-lite/overlay
new file mode 120000
index 000000000..f47216814
--- /dev/null
+++ b/device/milkv-duo256m-lite/overlay
@@ -0,0 +1 @@
+../milkv-duo256m/overlay
\ No newline at end of file
diff --git a/device/milkv-duo256m-python/overlay b/device/milkv-duo256m-python/overlay
deleted file mode 120000
index 18f1c33ae..000000000
--- a/device/milkv-duo256m-python/overlay
+++ /dev/null
@@ -1 +0,0 @@
-../milkv-duo256m/overlay/
\ No newline at end of file