diff --git a/build/boards/cv180x/cv1800b_milkv_duo_sd/dts_riscv/cv1800b_milkv_duo_sd.dts b/build/boards/cv180x/cv1800b_milkv_duo_sd/dts_riscv/cv1800b_milkv_duo_sd.dts
index 1f4715487..e90e2c32a 100644
--- a/build/boards/cv180x/cv1800b_milkv_duo_sd/dts_riscv/cv1800b_milkv_duo_sd.dts
+++ b/build/boards/cv180x/cv1800b_milkv_duo_sd/dts_riscv/cv1800b_milkv_duo_sd.dts
@@ -26,6 +26,6 @@
 };
 
 / {
-
+	model = "Milk-V Duo";
 };
 
diff --git a/build/boards/cv181x/cv1812cp_milkv_duo256m_sd/dts_riscv/cv1812cp_milkv_duo256m_sd.dts b/build/boards/cv181x/cv1812cp_milkv_duo256m_sd/dts_riscv/cv1812cp_milkv_duo256m_sd.dts
index c45a09bcb..16734cb47 100644
--- a/build/boards/cv181x/cv1812cp_milkv_duo256m_sd/dts_riscv/cv1812cp_milkv_duo256m_sd.dts
+++ b/build/boards/cv181x/cv1812cp_milkv_duo256m_sd/dts_riscv/cv1812cp_milkv_duo256m_sd.dts
@@ -31,6 +31,6 @@
 };
 
 / {
-
+	model = "Milk-V Duo256M";
 };
 
diff --git a/build/boards/cv181x/cv1813h_milkv_duos_emmc/dts_riscv/cv1813h_milkv_duos_emmc.dts b/build/boards/cv181x/cv1813h_milkv_duos_emmc/dts_riscv/cv1813h_milkv_duos_emmc.dts
index 33bbfe370..05cf7190d 100644
--- a/build/boards/cv181x/cv1813h_milkv_duos_emmc/dts_riscv/cv1813h_milkv_duos_emmc.dts
+++ b/build/boards/cv181x/cv1813h_milkv_duos_emmc/dts_riscv/cv1813h_milkv_duos_emmc.dts
@@ -46,6 +46,6 @@
 };
 
 / {
-
+	model = "Milk-V DuoS";
 };
 
diff --git a/build/boards/cv181x/cv1813h_milkv_duos_sd/dts_riscv/cv1813h_milkv_duos_sd.dts b/build/boards/cv181x/cv1813h_milkv_duos_sd/dts_riscv/cv1813h_milkv_duos_sd.dts
index 93b84e4ce..48b01f7a0 100644
--- a/build/boards/cv181x/cv1813h_milkv_duos_sd/dts_riscv/cv1813h_milkv_duos_sd.dts
+++ b/build/boards/cv181x/cv1813h_milkv_duos_sd/dts_riscv/cv1813h_milkv_duos_sd.dts
@@ -46,6 +46,6 @@
 };
 
 / {
-
+	model = "Milk-V DuoS";
 };