diff --git a/app/app.go b/app/app.go
index 0898cbda..0ce6aa61 100644
--- a/app/app.go
+++ b/app/app.go
@@ -202,6 +202,7 @@ func New(
 	// can do so safely.
 	app.mm.SetOrderInitGenesis(orderInitBlockers()...)
 	app.mm.SetOrderExportGenesis(orderInitBlockers()...)
+	app.mm.SetOrderMigrations(orderMigrations()...)
 
 	app.mm.RegisterInvariants(app.CrisisKeeper)
 	app.configurator = module.NewConfigurator(app.appCodec, app.MsgServiceRouter(), app.GRPCQueryRouter())
diff --git a/app/modules.go b/app/modules.go
index 4d950aaf..8fc9b3e1 100644
--- a/app/modules.go
+++ b/app/modules.go
@@ -280,6 +280,48 @@ func orderInitBlockers() []string {
 	}
 }
 
+func orderMigrations() []string {
+	return []string{
+		capabilitytypes.ModuleName,
+		authtypes.ModuleName,
+		banktypes.ModuleName,
+		distrtypes.ModuleName,
+		stakingtypes.ModuleName,
+		slashingtypes.ModuleName,
+		govtypes.ModuleName,
+		minttypes.ModuleName,
+		crisistypes.ModuleName,
+		genutiltypes.ModuleName,
+		evidencetypes.ModuleName,
+		authz.ModuleName,
+		feegrant.ModuleName,
+		paramstypes.ModuleName,
+		upgradetypes.ModuleName,
+		vestingtypes.ModuleName,
+
+		erc20types.ModuleName,
+
+		bsctypes.ModuleName,
+		trontypes.ModuleName,
+		polygontypes.ModuleName,
+		avalanchetypes.ModuleName,
+		ethtypes.ModuleName,
+		arbitrumtypes.ModuleName,
+		optimismtypes.ModuleName,
+		layer2types.ModuleName,
+
+		feemarkettypes.ModuleName,
+		evmtypes.ModuleName,
+		migratetypes.ModuleName,
+
+		ibctm.ModuleName,
+		ibctransfertypes.ModuleName,
+		ibcexported.ModuleName,
+
+		consensustypes.ModuleName,
+	}
+}
+
 func GetMaccPerms() map[string][]string {
 	dupMaccPerms := make(map[string][]string)
 	for k, v := range maccPerms {
diff --git a/app/upgrades/store/store.go b/app/upgrades/store/store.go
new file mode 100644
index 00000000..2e5c0709
--- /dev/null
+++ b/app/upgrades/store/store.go
@@ -0,0 +1,28 @@
+package store
+
+import (
+	storetypes "cosmossdk.io/store/types"
+	sdk "github.com/cosmos/cosmos-sdk/types"
+)
+
+func RemoveStoreKeys(ctx sdk.Context, storeKey storetypes.StoreKey, prefixKeys [][]byte) {
+	store := ctx.KVStore(storeKey)
+
+	deleteFn := func(prefixKey []byte) {
+		iterator := storetypes.KVStorePrefixIterator(store, prefixKey)
+		defer iterator.Close()
+		deleteCount := 0
+		for ; iterator.Valid(); iterator.Next() {
+			store.Delete(iterator.Key())
+			deleteCount++
+		}
+		if deleteCount > 0 {
+			ctx.Logger().Info("remove store key", "kvStore", storeKey.Name(),
+				"prefix", prefixKey[0], "deleteKeyCount", deleteCount)
+		}
+	}
+
+	for _, key := range prefixKeys {
+		deleteFn(key)
+	}
+}
diff --git a/app/upgrades/v8/upgrade.go b/app/upgrades/v8/upgrade.go
index c19286b5..0669122c 100644
--- a/app/upgrades/v8/upgrade.go
+++ b/app/upgrades/v8/upgrade.go
@@ -2,7 +2,6 @@ package v8
 
 import (
 	"context"
-	"encoding/hex"
 	"strings"
 
 	storetypes "cosmossdk.io/store/types"
@@ -19,8 +18,8 @@ import (
 	ibcchanneltypes "github.com/cosmos/ibc-go/v8/modules/core/04-channel/types"
 
 	"github.com/functionx/fx-core/v8/app/keepers"
+	"github.com/functionx/fx-core/v8/app/upgrades/store"
 	fxtypes "github.com/functionx/fx-core/v8/types"
-	crosschainkeeper "github.com/functionx/fx-core/v8/x/crosschain/keeper"
 	crosschaintypes "github.com/functionx/fx-core/v8/x/crosschain/types"
 	erc20v8 "github.com/functionx/fx-core/v8/x/erc20/migrations/v8"
 	erc20types "github.com/functionx/fx-core/v8/x/erc20/types"
@@ -43,23 +42,19 @@ func CreateUpgradeHandler(mm *module.Manager, configurator module.Configurator,
 			return fromVM, err
 		}
 
-		removeStoreKeys(cacheCtx, app.GetKey(stakingtypes.StoreKey), fxstakingv8.GetRemovedStoreKeys())
+		store.RemoveStoreKeys(cacheCtx, app.GetKey(stakingtypes.StoreKey), fxstakingv8.GetRemovedStoreKeys())
 
 		if err = migrationGovCustomParam(cacheCtx, app.GovKeeper, app.GetKey(govtypes.StoreKey)); err != nil {
 			return fromVM, err
 		}
 
-		if err = updateArbitrumParams(cacheCtx, app.ArbitrumKeeper); err != nil {
-			return fromVM, err
-		}
-
 		if err = migrateBridgeBalance(cacheCtx, app.BankKeeper, app.AccountKeeper); err != nil {
 			return fromVM, err
 		}
 
 		updateMetadata(cacheCtx, app.BankKeeper)
 
-		removeStoreKeys(cacheCtx, app.GetKey(erc20types.StoreKey), erc20v8.GetRemovedStoreKeys())
+		store.RemoveStoreKeys(cacheCtx, app.GetKey(erc20types.StoreKey), erc20v8.GetRemovedStoreKeys())
 
 		commit()
 		cacheCtx.Logger().Info("upgrade complete", "module", "upgrade")
@@ -67,38 +62,14 @@ func CreateUpgradeHandler(mm *module.Manager, configurator module.Configurator,
 	}
 }
 
-func updateArbitrumParams(ctx sdk.Context, keeper crosschainkeeper.Keeper) error {
-	params := keeper.GetParams(ctx)
-	params.AverageExternalBlockTime = 250
-	return keeper.SetParams(ctx, &params)
-}
-
 func migrationGovCustomParam(ctx sdk.Context, keeper *keeper.Keeper, storeKey *storetypes.KVStoreKey) error {
 	// 1. delete fxParams key
-	removeStoreKeys(ctx, storeKey, fxgovv8.GetRemovedStoreKeys())
+	store.RemoveStoreKeys(ctx, storeKey, fxgovv8.GetRemovedStoreKeys())
 
 	// 2. init custom params
 	return keeper.InitCustomParams(ctx)
 }
 
-func removeStoreKeys(ctx sdk.Context, storeKey *storetypes.KVStoreKey, keys [][]byte) {
-	store := ctx.KVStore(storeKey)
-
-	deleteFn := func(key []byte) {
-		iterator := storetypes.KVStorePrefixIterator(store, key)
-		defer iterator.Close()
-		for ; iterator.Valid(); iterator.Next() {
-			store.Delete(iterator.Key())
-			ctx.Logger().Info("remove store key", "kvStore", storeKey.Name(),
-				"prefix", hex.EncodeToString(key), "key", string(iterator.Key()))
-		}
-	}
-
-	for _, key := range keys {
-		deleteFn(key)
-	}
-}
-
 func migrateCrosschainModuleAccount(ctx sdk.Context, ak authkeeper.AccountKeeper) error {
 	addr, perms := ak.GetModuleAddressAndPermissions(crosschaintypes.ModuleName)
 	if addr == nil {
diff --git a/x/arbitrum/module.go b/x/arbitrum/module.go
index 796b4467..7ebb306e 100644
--- a/x/arbitrum/module.go
+++ b/x/arbitrum/module.go
@@ -106,7 +106,7 @@ func (am AppModule) RegisterInvariants(_ sdk.InvariantRegistry) {}
 // RegisterServices registers module services.
 func (am AppModule) RegisterServices(cfg module.Configurator) {
 	migrator := crosschainkeeper.NewMigrator(am.keeper)
-	if err := cfg.RegisterMigration(am.Name(), 1, migrator.Migrate); err != nil {
+	if err := cfg.RegisterMigration(am.Name(), 2, migrator.Migrate7to8WithArbExternalBlockTime); err != nil {
 		panic(err)
 	}
 }
@@ -128,7 +128,7 @@ func (am AppModule) ExportGenesis(ctx sdk.Context, cdc codec.JSONCodec) json.Raw
 
 // ConsensusVersion implements AppModule/ConsensusVersion.
 func (am AppModule) ConsensusVersion() uint64 {
-	return 2
+	return 3
 }
 
 // EndBlock implements app module
diff --git a/x/avalanche/module.go b/x/avalanche/module.go
index a26da9d6..0e39b434 100644
--- a/x/avalanche/module.go
+++ b/x/avalanche/module.go
@@ -108,7 +108,7 @@ func (am AppModule) RegisterInvariants(_ sdk.InvariantRegistry) {}
 // RegisterServices registers module services.
 func (am AppModule) RegisterServices(cfg module.Configurator) {
 	migrator := crosschainkeeper.NewMigrator(am.keeper)
-	if err := cfg.RegisterMigration(am.Name(), 2, migrator.Migrate); err != nil {
+	if err := cfg.RegisterMigration(am.Name(), 3, migrator.Migrate7to8); err != nil {
 		panic(err)
 	}
 }
@@ -130,7 +130,7 @@ func (am AppModule) ExportGenesis(ctx sdk.Context, cdc codec.JSONCodec) json.Raw
 
 // ConsensusVersion implements AppModule/ConsensusVersion.
 func (am AppModule) ConsensusVersion() uint64 {
-	return 3
+	return 4
 }
 
 // EndBlock implements app module
diff --git a/x/bsc/module.go b/x/bsc/module.go
index 850d8e5f..3e39bf4f 100644
--- a/x/bsc/module.go
+++ b/x/bsc/module.go
@@ -108,7 +108,7 @@ func (am AppModule) RegisterInvariants(_ sdk.InvariantRegistry) {}
 // RegisterServices registers module services.
 func (am AppModule) RegisterServices(cfg module.Configurator) {
 	migrator := crosschainkeeper.NewMigrator(am.keeper)
-	if err := cfg.RegisterMigration(am.Name(), 4, migrator.Migrate); err != nil {
+	if err := cfg.RegisterMigration(am.Name(), 5, migrator.Migrate7to8); err != nil {
 		panic(err)
 	}
 }
@@ -130,7 +130,7 @@ func (am AppModule) ExportGenesis(ctx sdk.Context, cdc codec.JSONCodec) json.Raw
 
 // ConsensusVersion implements AppModule/ConsensusVersion.
 func (am AppModule) ConsensusVersion() uint64 {
-	return 5
+	return 6
 }
 
 // EndBlock implements app module
diff --git a/x/crosschain/keeper/legacy.go b/x/crosschain/keeper/legacy.go
index a6f74c7e..13568502 100644
--- a/x/crosschain/keeper/legacy.go
+++ b/x/crosschain/keeper/legacy.go
@@ -3,13 +3,14 @@ package keeper
 import (
 	sdk "github.com/cosmos/cosmos-sdk/types"
 
+	"github.com/functionx/fx-core/v8/x/crosschain/migrations/v8"
 	"github.com/functionx/fx-core/v8/x/crosschain/types"
 )
 
 // Deprecated: do not use, remove in v8
 func (k Keeper) LegacyGetDenomBridgeToken(ctx sdk.Context, denom string) (*types.BridgeToken, bool) {
 	store := ctx.KVStore(k.storeKey)
-	data := store.Get(types.GetTokenToDenomKey(denom))
+	data := store.Get(v8.GetTokenToDenomKey(denom))
 	if len(data) == 0 {
 		return nil, false
 	}
diff --git a/x/crosschain/keeper/migrations.go b/x/crosschain/keeper/migrations.go
index 21d41d28..523820b4 100644
--- a/x/crosschain/keeper/migrations.go
+++ b/x/crosschain/keeper/migrations.go
@@ -3,8 +3,7 @@ package keeper
 import (
 	sdk "github.com/cosmos/cosmos-sdk/types"
 
-	fxtypes "github.com/functionx/fx-core/v8/types"
-	"github.com/functionx/fx-core/v8/x/crosschain/types"
+	"github.com/functionx/fx-core/v8/x/crosschain/migrations/v8"
 )
 
 type Migrator struct {
@@ -17,18 +16,15 @@ func NewMigrator(k Keeper) Migrator {
 	}
 }
 
-func (m Migrator) Migrate(ctx sdk.Context) error {
-	params := m.keeper.GetParams(ctx)
-
-	params.BridgeCallTimeout = types.DefBridgeCallTimeout
-	params.BridgeCallMaxGasLimit = types.MaxGasLimit
+func (m Migrator) Migrate7to8(ctx sdk.Context) error {
+	return v8.Migrate(ctx, m.keeper.storeKey)
+}
 
-	enablePending := false
-	if ctx.ChainID() == fxtypes.TestnetChainId {
-		enablePending = true
+func (m Migrator) Migrate7to8WithArbExternalBlockTime(ctx sdk.Context) error {
+	if err := m.Migrate7to8(ctx); err != nil {
+		return err
 	}
-	params.EnableSendToExternalPending = enablePending
-	params.EnableBridgeCallPending = enablePending
-
+	params := m.keeper.GetParams(ctx)
+	params.AverageExternalBlockTime = 250
 	return m.keeper.SetParams(ctx, &params)
 }
diff --git a/x/crosschain/migrations/v8/migrate.go b/x/crosschain/migrations/v8/migrate.go
new file mode 100644
index 00000000..3519f26f
--- /dev/null
+++ b/x/crosschain/migrations/v8/migrate.go
@@ -0,0 +1,37 @@
+package v8
+
+import (
+	storetypes "cosmossdk.io/store/types"
+	sdk "github.com/cosmos/cosmos-sdk/types"
+
+	"github.com/functionx/fx-core/v8/app/upgrades/store"
+)
+
+var (
+	// Deprecated: DenomToTokenKey prefixes the index of asset denom to external token
+	DenomToTokenKey = []byte{0x26}
+
+	// Deprecated: TokenToDenomKey prefixes the index of assets external token to denom
+	TokenToDenomKey = []byte{0x27}
+
+	// Deprecated: remove data in upgrade
+	BridgeCallFromMsgKey = []byte{0x51}
+)
+
+// Deprecated: GetTokenToDenomKey returns the following key format
+func GetTokenToDenomKey(denom string) []byte {
+	return append(TokenToDenomKey, []byte(denom)...)
+}
+
+func GetRemovedStoreKeys() [][]byte {
+	return [][]byte{
+		DenomToTokenKey,
+		TokenToDenomKey,
+		BridgeCallFromMsgKey,
+	}
+}
+
+func Migrate(ctx sdk.Context, storeKey storetypes.StoreKey) error {
+	store.RemoveStoreKeys(ctx, storeKey, GetRemovedStoreKeys())
+	return nil
+}
diff --git a/x/crosschain/types/key.go b/x/crosschain/types/key.go
index b0135050..4c2a9e72 100644
--- a/x/crosschain/types/key.go
+++ b/x/crosschain/types/key.go
@@ -66,12 +66,6 @@ var (
 	// KeyLastOutgoingBatchID indexes the lastBatchID
 	KeyLastOutgoingBatchID = append(SequenceKeyPrefix, []byte("lastBatchId")...)
 
-	// Deprecated: DenomToTokenKey prefixes the index of asset denom to external token
-	DenomToTokenKey = []byte{0x26}
-
-	// Deprecated: TokenToDenomKey prefixes the index of assets external token to denom
-	TokenToDenomKey = []byte{0x27}
-
 	// LastSlashedOracleSetNonce indexes the latest slashed oracleSet nonce
 	LastSlashedOracleSetNonce = []byte{0x28}
 
@@ -121,13 +115,7 @@ var (
 	OutgoingBridgeCallNonceKey           = []byte{0x48}
 	OutgoingBridgeCallAddressAndNonceKey = []byte{0x49}
 
-	// Deprecated: remove data in upgrade
-	BridgeCallFromMsgKey = []byte{0x51}
-
 	PendingExecuteClaimKey = []byte{0x54}
-
-	// BridgeDenomKey -> value BridgeDenom
-	BridgeDenomKey = []byte{0x60}
 )
 
 // GetOracleKey returns the following key format
@@ -202,16 +190,6 @@ func GetLastEventBlockHeightByOracleKey(oracleAddr sdk.AccAddress) []byte {
 	return append(LastEventBlockHeightByOracleKey, oracleAddr.Bytes()...)
 }
 
-// Deprecated: GetDenomToTokenKey returns the following key format
-func GetDenomToTokenKey(tokenContract string) []byte {
-	return append(DenomToTokenKey, []byte(tokenContract)...)
-}
-
-// Deprecated: GetTokenToDenomKey returns the following key format
-func GetTokenToDenomKey(denom string) []byte {
-	return append(TokenToDenomKey, []byte(denom)...)
-}
-
 func GetBridgeCallConfirmKey(nonce uint64, addr sdk.AccAddress) []byte {
 	return append(BridgeCallConfirmKey, append(sdk.Uint64ToBigEndian(nonce), addr.Bytes()...)...)
 }
@@ -241,7 +219,3 @@ func ParseOutgoingBridgeCallNonce(key []byte, address string) (nonce uint64) {
 func GetPendingExecuteClaimKey(nonce uint64) []byte {
 	return append(PendingExecuteClaimKey, sdk.Uint64ToBigEndian(nonce)...)
 }
-
-func GetBridgeDenomKey(denom string) []byte {
-	return append(BridgeDenomKey, []byte(denom)...)
-}
diff --git a/x/eth/module.go b/x/eth/module.go
index 93d79507..eb9f1571 100644
--- a/x/eth/module.go
+++ b/x/eth/module.go
@@ -108,7 +108,7 @@ func (am AppModule) RegisterInvariants(_ sdk.InvariantRegistry) {}
 // RegisterServices registers module services.
 func (am AppModule) RegisterServices(cfg module.Configurator) {
 	migrator := crosschainkeeper.NewMigrator(am.keeper)
-	if err := cfg.RegisterMigration(am.Name(), 2, migrator.Migrate); err != nil {
+	if err := cfg.RegisterMigration(am.Name(), 3, migrator.Migrate7to8); err != nil {
 		panic(err)
 	}
 }
@@ -130,7 +130,7 @@ func (am AppModule) ExportGenesis(ctx sdk.Context, cdc codec.JSONCodec) json.Raw
 
 // ConsensusVersion implements AppModule/ConsensusVersion.
 func (am AppModule) ConsensusVersion() uint64 {
-	return 3
+	return 4
 }
 
 // EndBlock implements app module
diff --git a/x/layer2/module.go b/x/layer2/module.go
index 4cc98e09..88be7711 100644
--- a/x/layer2/module.go
+++ b/x/layer2/module.go
@@ -108,7 +108,7 @@ func (am AppModule) RegisterInvariants(_ sdk.InvariantRegistry) {}
 // RegisterServices registers module services.
 func (am AppModule) RegisterServices(cfg module.Configurator) {
 	migrator := crosschainkeeper.NewMigrator(am.keeper)
-	if err := cfg.RegisterMigration(am.Name(), 1, migrator.Migrate); err != nil {
+	if err := cfg.RegisterMigration(am.Name(), 2, migrator.Migrate7to8); err != nil {
 		panic(err)
 	}
 }
@@ -130,7 +130,7 @@ func (am AppModule) ExportGenesis(ctx sdk.Context, cdc codec.JSONCodec) json.Raw
 
 // ConsensusVersion implements AppModule/ConsensusVersion.
 func (am AppModule) ConsensusVersion() uint64 {
-	return 2
+	return 3
 }
 
 // EndBlock implements app module
diff --git a/x/optimism/module.go b/x/optimism/module.go
index 624bc495..54f4802f 100644
--- a/x/optimism/module.go
+++ b/x/optimism/module.go
@@ -108,7 +108,7 @@ func (am AppModule) RegisterInvariants(_ sdk.InvariantRegistry) {}
 // RegisterServices registers module services.
 func (am AppModule) RegisterServices(cfg module.Configurator) {
 	migrator := crosschainkeeper.NewMigrator(am.keeper)
-	if err := cfg.RegisterMigration(am.Name(), 1, migrator.Migrate); err != nil {
+	if err := cfg.RegisterMigration(am.Name(), 2, migrator.Migrate7to8); err != nil {
 		panic(err)
 	}
 }
@@ -130,7 +130,7 @@ func (am AppModule) ExportGenesis(ctx sdk.Context, cdc codec.JSONCodec) json.Raw
 
 // ConsensusVersion implements AppModule/ConsensusVersion.
 func (am AppModule) ConsensusVersion() uint64 {
-	return 2
+	return 3
 }
 
 // EndBlock implements app module
diff --git a/x/polygon/module.go b/x/polygon/module.go
index 4bfa4ee3..16879c2b 100644
--- a/x/polygon/module.go
+++ b/x/polygon/module.go
@@ -104,7 +104,7 @@ func (am AppModule) RegisterInvariants(_ sdk.InvariantRegistry) {}
 // RegisterServices registers module services.
 func (am AppModule) RegisterServices(cfg module.Configurator) {
 	migrator := crosschainkeeper.NewMigrator(am.keeper)
-	if err := cfg.RegisterMigration(am.Name(), 4, migrator.Migrate); err != nil {
+	if err := cfg.RegisterMigration(am.Name(), 5, migrator.Migrate7to8); err != nil {
 		panic(err)
 	}
 }
@@ -126,7 +126,7 @@ func (am AppModule) ExportGenesis(ctx sdk.Context, cdc codec.JSONCodec) json.Raw
 
 // ConsensusVersion implements AppModule/ConsensusVersion.
 func (am AppModule) ConsensusVersion() uint64 {
-	return 5
+	return 6
 }
 
 // EndBlock implements app module
diff --git a/x/tron/module.go b/x/tron/module.go
index a95fbbbf..a66d97ad 100644
--- a/x/tron/module.go
+++ b/x/tron/module.go
@@ -104,7 +104,7 @@ func (am AppModule) RegisterInvariants(_ sdk.InvariantRegistry) {}
 // RegisterServices registers module services.
 func (am AppModule) RegisterServices(cfg module.Configurator) {
 	migrator := crosschainkeeper.NewMigrator(am.keeper)
-	if err := cfg.RegisterMigration(am.Name(), 4, migrator.Migrate); err != nil {
+	if err := cfg.RegisterMigration(am.Name(), 5, migrator.Migrate7to8); err != nil {
 		panic(err)
 	}
 }
@@ -126,7 +126,7 @@ func (am AppModule) ExportGenesis(ctx sdk.Context, cdc codec.JSONCodec) json.Raw
 
 // ConsensusVersion implements AppModule/ConsensusVersion.
 func (am AppModule) ConsensusVersion() uint64 {
-	return 5
+	return 6
 }
 
 // EndBlock implements app module