diff --git a/br-ext-chip-hisilicon/board/hi3516cv500/kernel/hi3516av300.generic.config b/br-ext-chip-hisilicon/board/hi3516cv500/kernel/hi3516av300.generic.config
index d240e103..d35f9a6c 100644
--- a/br-ext-chip-hisilicon/board/hi3516cv500/kernel/hi3516av300.generic.config
+++ b/br-ext-chip-hisilicon/board/hi3516cv500/kernel/hi3516av300.generic.config
@@ -2551,7 +2551,7 @@ CONFIG_QUOTACTL=y
 CONFIG_AUTOFS4_FS=m
 CONFIG_FUSE_FS=y
 # CONFIG_CUSE is not set
-# CONFIG_OVERLAY_FS is not set
+CONFIG_OVERLAY_FS=y
 
 #
 # Caches
diff --git a/br-ext-chip-hisilicon/board/hi3516cv500/kernel/hi3516cv500.generic.config b/br-ext-chip-hisilicon/board/hi3516cv500/kernel/hi3516cv500.generic.config
index 177eb8af..a72154b8 100644
--- a/br-ext-chip-hisilicon/board/hi3516cv500/kernel/hi3516cv500.generic.config
+++ b/br-ext-chip-hisilicon/board/hi3516cv500/kernel/hi3516cv500.generic.config
@@ -2551,7 +2551,7 @@ CONFIG_QUOTACTL=y
 CONFIG_AUTOFS4_FS=m
 CONFIG_FUSE_FS=y
 # CONFIG_CUSE is not set
-# CONFIG_OVERLAY_FS is not set
+CONFIG_OVERLAY_FS=y
 
 #
 # Caches
diff --git a/br-ext-chip-hisilicon/board/hi3516cv500/kernel/hi3516dv300.generic.config b/br-ext-chip-hisilicon/board/hi3516cv500/kernel/hi3516dv300.generic.config
index d240e103..d35f9a6c 100644
--- a/br-ext-chip-hisilicon/board/hi3516cv500/kernel/hi3516dv300.generic.config
+++ b/br-ext-chip-hisilicon/board/hi3516cv500/kernel/hi3516dv300.generic.config
@@ -2551,7 +2551,7 @@ CONFIG_QUOTACTL=y
 CONFIG_AUTOFS4_FS=m
 CONFIG_FUSE_FS=y
 # CONFIG_CUSE is not set
-# CONFIG_OVERLAY_FS is not set
+CONFIG_OVERLAY_FS=y
 
 #
 # Caches