diff --git a/build/boards/cv180x/cv1800b_milkv_duo_sd/linux/cvitek_cv1800b_milkv_duo_sd_defconfig b/build/boards/cv180x/cv1800b_milkv_duo_sd/linux/cvitek_cv1800b_milkv_duo_sd_defconfig
index 4c60136fc..817e771e6 100644
--- a/build/boards/cv180x/cv1800b_milkv_duo_sd/linux/cvitek_cv1800b_milkv_duo_sd_defconfig
+++ b/build/boards/cv180x/cv1800b_milkv_duo_sd/linux/cvitek_cv1800b_milkv_duo_sd_defconfig
@@ -341,7 +341,7 @@ CONFIG_IO_URING=n
 CONFIG_ADVISE_SYSCALLS=n
 CONFIG_SIGNALFD=n
 CONFIG_TIMERFD=n
-CONFIG_EPOLL=n
+CONFIG_EPOLL=y
 CONFIG_ELF_CORE=y
 CONFIG_COREDUMP=y
 CONFIG_PROC_SYSCTL=y
diff --git a/build/boards/cv181x/cv1812cp_milkv_duo256m_sd/linux/cvitek_cv1812cp_milkv_duo256m_sd_defconfig b/build/boards/cv181x/cv1812cp_milkv_duo256m_sd/linux/cvitek_cv1812cp_milkv_duo256m_sd_defconfig
index 4bfbc511c..955fdbf02 100644
--- a/build/boards/cv181x/cv1812cp_milkv_duo256m_sd/linux/cvitek_cv1812cp_milkv_duo256m_sd_defconfig
+++ b/build/boards/cv181x/cv1812cp_milkv_duo256m_sd/linux/cvitek_cv1812cp_milkv_duo256m_sd_defconfig
@@ -290,7 +290,7 @@ CONFIG_IO_URING=n
 CONFIG_ADVISE_SYSCALLS=n
 CONFIG_SIGNALFD=n
 CONFIG_TIMERFD=n
-CONFIG_EPOLL=n
+CONFIG_EPOLL=y
 CONFIG_ELF_CORE=y
 CONFIG_COREDUMP=y
 CONFIG_PROC_SYSCTL=y
diff --git a/build/boards/cv181x/cv1813h_milkv_duos_emmc/linux/cvitek_cv1813h_milkv_duos_emmc_defconfig b/build/boards/cv181x/cv1813h_milkv_duos_emmc/linux/cvitek_cv1813h_milkv_duos_emmc_defconfig
index 9f95ea119..1feba3da4 100644
--- a/build/boards/cv181x/cv1813h_milkv_duos_emmc/linux/cvitek_cv1813h_milkv_duos_emmc_defconfig
+++ b/build/boards/cv181x/cv1813h_milkv_duos_emmc/linux/cvitek_cv1813h_milkv_duos_emmc_defconfig
@@ -492,7 +492,7 @@ CONFIG_IO_URING=n
 CONFIG_ADVISE_SYSCALLS=n
 CONFIG_SIGNALFD=n
 CONFIG_TIMERFD=n
-CONFIG_EPOLL=n
+CONFIG_EPOLL=y
 CONFIG_ELF_CORE=y
 CONFIG_COREDUMP=y
 CONFIG_PROC_SYSCTL=y
diff --git a/build/boards/cv181x/cv1813h_milkv_duos_sd/linux/cvitek_cv1813h_milkv_duos_sd_defconfig b/build/boards/cv181x/cv1813h_milkv_duos_sd/linux/cvitek_cv1813h_milkv_duos_sd_defconfig
index 9f95ea119..1feba3da4 100644
--- a/build/boards/cv181x/cv1813h_milkv_duos_sd/linux/cvitek_cv1813h_milkv_duos_sd_defconfig
+++ b/build/boards/cv181x/cv1813h_milkv_duos_sd/linux/cvitek_cv1813h_milkv_duos_sd_defconfig
@@ -492,7 +492,7 @@ CONFIG_IO_URING=n
 CONFIG_ADVISE_SYSCALLS=n
 CONFIG_SIGNALFD=n
 CONFIG_TIMERFD=n
-CONFIG_EPOLL=n
+CONFIG_EPOLL=y
 CONFIG_ELF_CORE=y
 CONFIG_COREDUMP=y
 CONFIG_PROC_SYSCTL=y