diff --git a/anolis/configs/L1-RECOMMEND/default/CONFIG_OVERLAY_FS_INDEX b/anolis/configs/L1-RECOMMEND/default/CONFIG_OVERLAY_FS_INDEX
deleted file mode 100644
index c61cab2ace0780755bc1a5f51842e283fe0442c2..0000000000000000000000000000000000000000
--- a/anolis/configs/L1-RECOMMEND/default/CONFIG_OVERLAY_FS_INDEX
+++ /dev/null
@@ -1 +0,0 @@
-CONFIG_OVERLAY_FS_INDEX=y
diff --git a/anolis/configs/L1-RECOMMEND/default/CONFIG_OVERLAY_FS_NFS_EXPORT b/anolis/configs/L1-RECOMMEND/default/CONFIG_OVERLAY_FS_NFS_EXPORT
deleted file mode 100644
index 6b3609a328944fa5a21316d919feeb446e19d2d9..0000000000000000000000000000000000000000
--- a/anolis/configs/L1-RECOMMEND/default/CONFIG_OVERLAY_FS_NFS_EXPORT
+++ /dev/null
@@ -1 +0,0 @@
-# CONFIG_OVERLAY_FS_NFS_EXPORT is not set
diff --git a/anolis/configs/L1-RECOMMEND/default/CONFIG_OVERLAY_FS_REDIRECT_DIR b/anolis/configs/L1-RECOMMEND/default/CONFIG_OVERLAY_FS_REDIRECT_DIR
deleted file mode 100644
index 80cb207a956f380b31d4d23fb43c5a05b91d4d0d..0000000000000000000000000000000000000000
--- a/anolis/configs/L1-RECOMMEND/default/CONFIG_OVERLAY_FS_REDIRECT_DIR
+++ /dev/null
@@ -1 +0,0 @@
-CONFIG_OVERLAY_FS_REDIRECT_DIR=y
diff --git a/anolis/configs/L1-RECOMMEND/loongarch/CONFIG_OVERLAY_FS_NFS_EXPORT b/anolis/configs/L1-RECOMMEND/loongarch/CONFIG_OVERLAY_FS_NFS_EXPORT
deleted file mode 100644
index 6b3609a328944fa5a21316d919feeb446e19d2d9..0000000000000000000000000000000000000000
--- a/anolis/configs/L1-RECOMMEND/loongarch/CONFIG_OVERLAY_FS_NFS_EXPORT
+++ /dev/null
@@ -1 +0,0 @@
-# CONFIG_OVERLAY_FS_NFS_EXPORT is not set
diff --git a/anolis/configs/L2-OPTIONAL/default/CONFIG_OVERLAY_FS b/anolis/configs/L2-OPTIONAL/default/CONFIG_OVERLAY_FS
new file mode 100644
index 0000000000000000000000000000000000000000..10a30c74167e69b80129530aec0e7b19c13b52e2
--- /dev/null
+++ b/anolis/configs/L2-OPTIONAL/default/CONFIG_OVERLAY_FS
@@ -0,0 +1 @@
+# CONFIG_OVERLAY_FS is not set
diff --git a/anolis/configs/L0-MANDATORY/default/CONFIG_OVERLAY_FS b/anolis/configs/L2-OPTIONAL/loongarch/CONFIG_OVERLAY_FS
similarity index 100%
rename from anolis/configs/L0-MANDATORY/default/CONFIG_OVERLAY_FS
rename to anolis/configs/L2-OPTIONAL/loongarch/CONFIG_OVERLAY_FS
diff --git a/anolis/configs/L2-OPTIONAL/default/CONFIG_OVERLAY_FS_DEBUG b/anolis/configs/L2-OPTIONAL/loongarch/CONFIG_OVERLAY_FS_DEBUG
similarity index 100%
rename from anolis/configs/L2-OPTIONAL/default/CONFIG_OVERLAY_FS_DEBUG
rename to anolis/configs/L2-OPTIONAL/loongarch/CONFIG_OVERLAY_FS_DEBUG
diff --git a/anolis/configs/L1-RECOMMEND/loongarch/CONFIG_OVERLAY_FS_INDEX b/anolis/configs/L2-OPTIONAL/loongarch/CONFIG_OVERLAY_FS_INDEX
similarity index 100%
rename from anolis/configs/L1-RECOMMEND/loongarch/CONFIG_OVERLAY_FS_INDEX
rename to anolis/configs/L2-OPTIONAL/loongarch/CONFIG_OVERLAY_FS_INDEX
diff --git a/anolis/configs/L1-RECOMMEND/default/CONFIG_OVERLAY_FS_METACOPY b/anolis/configs/L2-OPTIONAL/loongarch/CONFIG_OVERLAY_FS_METACOPY
similarity index 100%
rename from anolis/configs/L1-RECOMMEND/default/CONFIG_OVERLAY_FS_METACOPY
rename to anolis/configs/L2-OPTIONAL/loongarch/CONFIG_OVERLAY_FS_METACOPY
diff --git a/anolis/configs/L1-RECOMMEND/default/CONFIG_OVERLAY_FS_REDIRECT_ALWAYS_FOLLOW b/anolis/configs/L2-OPTIONAL/loongarch/CONFIG_OVERLAY_FS_REDIRECT_ALWAYS_FOLLOW
similarity index 100%
rename from anolis/configs/L1-RECOMMEND/default/CONFIG_OVERLAY_FS_REDIRECT_ALWAYS_FOLLOW
rename to anolis/configs/L2-OPTIONAL/loongarch/CONFIG_OVERLAY_FS_REDIRECT_ALWAYS_FOLLOW
diff --git a/anolis/configs/L1-RECOMMEND/loongarch/CONFIG_OVERLAY_FS_REDIRECT_DIR b/anolis/configs/L2-OPTIONAL/loongarch/CONFIG_OVERLAY_FS_REDIRECT_DIR
similarity index 100%
rename from anolis/configs/L1-RECOMMEND/loongarch/CONFIG_OVERLAY_FS_REDIRECT_DIR
rename to anolis/configs/L2-OPTIONAL/loongarch/CONFIG_OVERLAY_FS_REDIRECT_DIR
diff --git a/anolis/configs/L1-RECOMMEND/default/CONFIG_OVERLAY_FS_XINO_AUTO b/anolis/configs/L2-OPTIONAL/loongarch/CONFIG_OVERLAY_FS_XINO_AUTO
similarity index 100%
rename from anolis/configs/L1-RECOMMEND/default/CONFIG_OVERLAY_FS_XINO_AUTO
rename to anolis/configs/L2-OPTIONAL/loongarch/CONFIG_OVERLAY_FS_XINO_AUTO