diff --git a/configs/phytium_debian_defconfig b/configs/phytium_debian_defconfig
index d8844b6e..d85f25ce 100644
--- a/configs/phytium_debian_defconfig
+++ b/configs/phytium_debian_defconfig
@@ -16,6 +16,7 @@ BR2_ROOTFS_SKELETON_DEBIAN=y
 BR2_ROOTFS_POST_CUSTOM_SKELETON_SCRIPT="board/phytium/common/post-custom-skeleton-debian-11.sh"
 BR2_ROOTFS_POST_BUILD_SCRIPT="board/phytium/common/post-build.sh"
 BR2_INIT_NONE=y
+BR2_ROOTFS_MERGED_USR=y
 BR2_ENABLE_LOCALE_PURGE=n
 BR2_ROOTFS_CHOWN=y
 
diff --git a/configs/phytium_ubuntu_defconfig b/configs/phytium_ubuntu_defconfig
index f4baa488..8d830642 100644
--- a/configs/phytium_ubuntu_defconfig
+++ b/configs/phytium_ubuntu_defconfig
@@ -16,6 +16,7 @@ BR2_ROOTFS_SKELETON_UBUNTU=y
 BR2_ROOTFS_POST_CUSTOM_SKELETON_SCRIPT="board/phytium/common/post-custom-skeleton-ubuntu.sh"
 BR2_ROOTFS_POST_BUILD_SCRIPT="board/phytium/common/post-build.sh"
 BR2_INIT_NONE=y
+BR2_ROOTFS_MERGED_USR=y
 BR2_ENABLE_LOCALE_PURGE=n
 BR2_ROOTFS_CHOWN=y