diff --git a/base/base.go b/base/base.go
index f163873..f3c4895 100644
--- a/base/base.go
+++ b/base/base.go
@@ -130,6 +130,8 @@ func GetChainName(id uint64) string {
 		return "Starcoin"
 	case ONTEVM:
 		return "ONTEVM"
+	case MILKO:
+		return "Milkomeda"
 	default:
 		return fmt.Sprintf("Unknown(%d)", id)
 	}
diff --git a/base/mainnet.go b/base/mainnet.go
index 369fff2..59c235e 100644
--- a/base/mainnet.go
+++ b/base/mainnet.go
@@ -55,15 +55,16 @@ const (
 	BCSPALETTE uint64 = 1001001
 	STARCOIN   uint64 = 1001002
 	ONTEVM     uint64 = 1001333
+	MILKO      uint64 = 1001335
 
 	ENV = "mainnet"
 )
 
 var CHAINS = []uint64{
 	POLY, ETH, BSC, HECO, OK, ONT, NEO, NEO3, HEIMDALL, MATIC, SWITCHEO, O3, PLT, ARBITRUM, XDAI, OPTIMISM, FANTOM, AVA,
-	METIS, BOBA, PIXIE, OASIS, HSC, HARMONY, BYTOM, BCSPALETTE, STARCOIN, ONTEVM, KCC,
+	METIS, BOBA, PIXIE, OASIS, HSC, HARMONY, BYTOM, BCSPALETTE, STARCOIN, ONTEVM, KCC, MILKO,
 }
 
 var ETH_CHAINS = []uint64{
-	ETH, BSC, HECO, OK, MATIC, O3, PLT, ARBITRUM, XDAI, OPTIMISM, FANTOM, AVA, METIS, BOBA, PIXIE, OASIS, HSC, HARMONY, HARMONY, BYTOM, BCSPALETTE, KCC, ONTEVM,
+	ETH, BSC, HECO, OK, MATIC, O3, PLT, ARBITRUM, XDAI, OPTIMISM, FANTOM, AVA, METIS, BOBA, PIXIE, OASIS, HSC, HARMONY, HARMONY, BYTOM, BCSPALETTE, KCC, ONTEVM, MILKO,
 }
diff --git a/base/testnet.go b/base/testnet.go
index aefe348..0d643a4 100644
--- a/base/testnet.go
+++ b/base/testnet.go
@@ -50,6 +50,7 @@ const (
 	HARMONY  uint64 = 800
 	KCC      uint64 = 900
 	ONTEVM   uint64 = 333
+	MILKO    uint64 = 810
 
 	SWITCHEO   uint64 = 1000
 	BCSPALETTE uint64 = 1001
@@ -60,10 +61,10 @@ const (
 
 var CHAINS = []uint64{
 	POLY, ETH, BSC, HECO, OK, ONT, NEO, NEO3, HEIMDALL, MATIC, SWITCHEO, O3, PLT, ARBITRUM, XDAI, OPTIMISM, FANTOM, AVA,
-	METIS, RINKEBY, BOBA, PIXIE, OASIS, HSC, HARMONY, BYTOM, BCSPALETTE, STARCOIN, ONTEVM, KCC,
+	METIS, RINKEBY, BOBA, PIXIE, OASIS, HSC, HARMONY, BYTOM, BCSPALETTE, STARCOIN, ONTEVM, KCC, MILKO,
 }
 
 var ETH_CHAINS = []uint64{
 	ETH, BSC, HECO, OK, MATIC, O3, PLT, ARBITRUM, XDAI, OPTIMISM, FANTOM, AVA, METIS, RINKEBY, BOBA, PIXIE, OASIS, HSC,
-	HARMONY, HARMONY, BYTOM, BCSPALETTE, KCC, ONTEVM,
+	HARMONY, HARMONY, BYTOM, BCSPALETTE, KCC, ONTEVM, MILKO,
 }