diff --git a/x/upgrade/keeper/keeper.go b/x/upgrade/keeper/keeper.go
index 2f492123ff..e4aa18f03b 100644
--- a/x/upgrade/keeper/keeper.go
+++ b/x/upgrade/keeper/keeper.go
@@ -462,6 +462,8 @@ func (keeper *Keeper) RegisterUpgradePlan(chianID string, plans []serverconfig.U
 // getExistChainConfig returns the exist chain config
 func getExistChainConfig(chainID string) *types.UpgradeConfig {
 	switch chainID {
+	case types.MainnetChainID:
+		return types.MainnetConfig
 	case types.TestnetChainID:
 		return types.TestnetConfig
 	default:
diff --git a/x/upgrade/types/upgrade_config.go b/x/upgrade/types/upgrade_config.go
index 659e1c72c1..eba8205025 100644
--- a/x/upgrade/types/upgrade_config.go
+++ b/x/upgrade/types/upgrade_config.go
@@ -16,6 +16,13 @@ const (
 
 // The default upgrade config for networks
 var (
+	MainnetChainID = "greenfield_1017-1"
+	MainnetConfig  = NewUpgradeConfig().SetPlan(&Plan{
+		Name:   Nagqu,
+		Height: 1,
+		Info:   "Nagqu hardfork",
+	})
+
 	TestnetChainID = "greenfield_5600-1"
 	TestnetConfig  = NewUpgradeConfig().SetPlan(&Plan{
 		Name:   Nagqu,