diff --git a/buildroot-2021.05/configs/milkv-duo-lite_musl_riscv64_defconfig b/buildroot-2021.05/configs/milkv-duo-lite_musl_riscv64_defconfig
index c76f4e35b..f8c1b82fc 100644
--- a/buildroot-2021.05/configs/milkv-duo-lite_musl_riscv64_defconfig
+++ b/buildroot-2021.05/configs/milkv-duo-lite_musl_riscv64_defconfig
@@ -265,7 +265,7 @@ BR2_ROOTFS_POST_IMAGE_SCRIPT=""
 BR2_PACKAGE_BUSYBOX=y
 BR2_PACKAGE_BUSYBOX_CONFIG="package/busybox/busybox.config"
 BR2_PACKAGE_BUSYBOX_CONFIG_FRAGMENT_FILES=""
-# BR2_PACKAGE_BUSYBOX_SHOW_OTHERS is not set
+BR2_PACKAGE_BUSYBOX_SHOW_OTHERS=y
 # BR2_PACKAGE_BUSYBOX_INDIVIDUAL_BINARIES is not set
 # BR2_PACKAGE_BUSYBOX_WATCHDOG is not set
 BR2_PACKAGE_DUO_PINMUX=y
@@ -390,6 +390,11 @@ BR2_PACKAGE_WPA_SUPPLICANT_WPA_CLIENT_SO=y
 BR2_PACKAGE_WPA_SUPPLICANT_CTRL_IFACE=y
 # BR2_PACKAGE_WPA_SUPPLICANT_DBUS is not set
 
+#
+# System tools
+#
+BR2_PACKAGE_COREUTILS=y
+
 #
 # emlog needs a Linux kernel to be built
 #
diff --git a/buildroot-2021.05/configs/milkv-duo256m-lite_musl_riscv64_defconfig b/buildroot-2021.05/configs/milkv-duo256m-lite_musl_riscv64_defconfig
index 7d58fc633..ba1babe2b 100644
--- a/buildroot-2021.05/configs/milkv-duo256m-lite_musl_riscv64_defconfig
+++ b/buildroot-2021.05/configs/milkv-duo256m-lite_musl_riscv64_defconfig
@@ -243,7 +243,7 @@ BR2_ROOTFS_POST_IMAGE_SCRIPT=""
 BR2_PACKAGE_BUSYBOX=y
 BR2_PACKAGE_BUSYBOX_CONFIG="package/busybox/busybox.config"
 BR2_PACKAGE_BUSYBOX_CONFIG_FRAGMENT_FILES=""
-# BR2_PACKAGE_BUSYBOX_SHOW_OTHERS is not set
+BR2_PACKAGE_BUSYBOX_SHOW_OTHERS=y
 # BR2_PACKAGE_BUSYBOX_INDIVIDUAL_BINARIES is not set
 # BR2_PACKAGE_BUSYBOX_WATCHDOG is not set
 BR2_PACKAGE_SKELETON=y
@@ -367,6 +367,11 @@ BR2_PACKAGE_WPA_SUPPLICANT_WPA_CLIENT_SO=y
 BR2_PACKAGE_WPA_SUPPLICANT_CTRL_IFACE=y
 # BR2_PACKAGE_WPA_SUPPLICANT_DBUS is not set
 
+#
+# System tools
+#
+BR2_PACKAGE_COREUTILS=y
+
 #
 # emlog needs a Linux kernel to be built
 #
diff --git a/buildroot-2021.05/configs/milkv-duo256m_musl_riscv64_defconfig b/buildroot-2021.05/configs/milkv-duo256m_musl_riscv64_defconfig
index f122a114b..20fa4431e 100644
--- a/buildroot-2021.05/configs/milkv-duo256m_musl_riscv64_defconfig
+++ b/buildroot-2021.05/configs/milkv-duo256m_musl_riscv64_defconfig
@@ -243,7 +243,7 @@ BR2_ROOTFS_POST_IMAGE_SCRIPT=""
 BR2_PACKAGE_BUSYBOX=y
 BR2_PACKAGE_BUSYBOX_CONFIG="package/busybox/busybox.config"
 BR2_PACKAGE_BUSYBOX_CONFIG_FRAGMENT_FILES=""
-# BR2_PACKAGE_BUSYBOX_SHOW_OTHERS is not set
+BR2_PACKAGE_BUSYBOX_SHOW_OTHERS=y
 # BR2_PACKAGE_BUSYBOX_INDIVIDUAL_BINARIES is not set
 # BR2_PACKAGE_BUSYBOX_WATCHDOG is not set
 BR2_PACKAGE_SKELETON=y
@@ -384,6 +384,11 @@ BR2_PACKAGE_WPA_SUPPLICANT_WPA_CLIENT_SO=y
 BR2_PACKAGE_WPA_SUPPLICANT_CTRL_IFACE=y
 # BR2_PACKAGE_WPA_SUPPLICANT_DBUS is not set
 
+#
+# System tools
+#
+BR2_PACKAGE_COREUTILS=y
+
 #
 # emlog needs a Linux kernel to be built
 #
diff --git a/buildroot-2021.05/configs/milkv-duo_musl_riscv64_defconfig b/buildroot-2021.05/configs/milkv-duo_musl_riscv64_defconfig
index 7d48ec292..2bc8cd5e3 100644
--- a/buildroot-2021.05/configs/milkv-duo_musl_riscv64_defconfig
+++ b/buildroot-2021.05/configs/milkv-duo_musl_riscv64_defconfig
@@ -265,7 +265,7 @@ BR2_ROOTFS_POST_IMAGE_SCRIPT=""
 BR2_PACKAGE_BUSYBOX=y
 BR2_PACKAGE_BUSYBOX_CONFIG="package/busybox/busybox.config"
 BR2_PACKAGE_BUSYBOX_CONFIG_FRAGMENT_FILES=""
-# BR2_PACKAGE_BUSYBOX_SHOW_OTHERS is not set
+BR2_PACKAGE_BUSYBOX_SHOW_OTHERS=y
 # BR2_PACKAGE_BUSYBOX_INDIVIDUAL_BINARIES is not set
 # BR2_PACKAGE_BUSYBOX_WATCHDOG is not set
 BR2_PACKAGE_DUO_PINMUX=y
@@ -409,6 +409,11 @@ BR2_PACKAGE_WPA_SUPPLICANT_WPA_CLIENT_SO=y
 BR2_PACKAGE_WPA_SUPPLICANT_CTRL_IFACE=y
 # BR2_PACKAGE_WPA_SUPPLICANT_DBUS is not set
 
+#
+# System tools
+#
+BR2_PACKAGE_COREUTILS=y
+
 #
 # emlog needs a Linux kernel to be built
 #
diff --git a/buildroot-2021.05/configs/milkv-duos-emmc_musl_riscv64_defconfig b/buildroot-2021.05/configs/milkv-duos-emmc_musl_riscv64_defconfig
index b0207aebf..562a9ae1e 100644
--- a/buildroot-2021.05/configs/milkv-duos-emmc_musl_riscv64_defconfig
+++ b/buildroot-2021.05/configs/milkv-duos-emmc_musl_riscv64_defconfig
@@ -243,7 +243,7 @@ BR2_ROOTFS_POST_IMAGE_SCRIPT=""
 BR2_PACKAGE_BUSYBOX=y
 BR2_PACKAGE_BUSYBOX_CONFIG="package/busybox/busybox.config"
 BR2_PACKAGE_BUSYBOX_CONFIG_FRAGMENT_FILES=""
-# BR2_PACKAGE_BUSYBOX_SHOW_OTHERS is not set
+BR2_PACKAGE_BUSYBOX_SHOW_OTHERS=y
 # BR2_PACKAGE_BUSYBOX_INDIVIDUAL_BINARIES is not set
 # BR2_PACKAGE_BUSYBOX_WATCHDOG is not set
 BR2_PACKAGE_SKELETON=y
@@ -384,6 +384,11 @@ BR2_PACKAGE_WPA_SUPPLICANT_WPA_CLIENT_SO=y
 BR2_PACKAGE_WPA_SUPPLICANT_CTRL_IFACE=y
 # BR2_PACKAGE_WPA_SUPPLICANT_DBUS is not set
 
+#
+# System tools
+#
+BR2_PACKAGE_COREUTILS=y
+
 #
 # emlog needs a Linux kernel to be built
 #
diff --git a/buildroot-2021.05/configs/milkv-duos-sd_musl_riscv64_defconfig b/buildroot-2021.05/configs/milkv-duos-sd_musl_riscv64_defconfig
index 88f2fc63f..24614350c 100644
--- a/buildroot-2021.05/configs/milkv-duos-sd_musl_riscv64_defconfig
+++ b/buildroot-2021.05/configs/milkv-duos-sd_musl_riscv64_defconfig
@@ -243,7 +243,7 @@ BR2_ROOTFS_POST_IMAGE_SCRIPT=""
 BR2_PACKAGE_BUSYBOX=y
 BR2_PACKAGE_BUSYBOX_CONFIG="package/busybox/busybox.config"
 BR2_PACKAGE_BUSYBOX_CONFIG_FRAGMENT_FILES=""
-# BR2_PACKAGE_BUSYBOX_SHOW_OTHERS is not set
+BR2_PACKAGE_BUSYBOX_SHOW_OTHERS=y
 # BR2_PACKAGE_BUSYBOX_INDIVIDUAL_BINARIES is not set
 # BR2_PACKAGE_BUSYBOX_WATCHDOG is not set
 BR2_PACKAGE_SKELETON=y
@@ -384,6 +384,11 @@ BR2_PACKAGE_WPA_SUPPLICANT_WPA_CLIENT_SO=y
 BR2_PACKAGE_WPA_SUPPLICANT_CTRL_IFACE=y
 # BR2_PACKAGE_WPA_SUPPLICANT_DBUS is not set
 
+#
+# System tools
+#
+BR2_PACKAGE_COREUTILS=y
+
 #
 # emlog needs a Linux kernel to be built
 #
diff --git a/buildroot-2021.05/dl/coreutils/.lock b/buildroot-2021.05/dl/coreutils/.lock
new file mode 100644
index 000000000..e69de29bb
diff --git a/buildroot-2021.05/dl/coreutils/coreutils-8.32.tar.xz b/buildroot-2021.05/dl/coreutils/coreutils-8.32.tar.xz
new file mode 100644
index 000000000..ac6ccc8c5
Binary files /dev/null and b/buildroot-2021.05/dl/coreutils/coreutils-8.32.tar.xz differ
diff --git a/device/common/br_overlay/etc/profile b/device/common/br_overlay/etc/profile
index 983f6afce..7e0cd8cd1 100644
--- a/device/common/br_overlay/etc/profile
+++ b/device/common/br_overlay/etc/profile
@@ -29,6 +29,7 @@ else
     export PS1='[\u@\h]\w\$ '
 fi
 
+alias ls='ls --color'
 alias ll='ls -alF'
 alias la='ls -A'
 alias l='ls -CF'