diff --git a/app/upgrade_test.go b/app/upgrade_test.go
index ace4013e..9ae3afee 100644
--- a/app/upgrade_test.go
+++ b/app/upgrade_test.go
@@ -5,7 +5,6 @@ import (
 	"math/big"
 	"os"
 	"path/filepath"
-	"strings"
 	"testing"
 
 	"cosmossdk.io/collections"
@@ -629,7 +628,7 @@ func checkPundiAIFXERC20Token(t *testing.T, ctx sdk.Context, myApp *app.App) {
 	has, err := myApp.Erc20Keeper.ERC20Token.Has(ctx, fxtypes.DefaultDenom)
 	require.NoError(t, err)
 	require.True(t, has)
-	has, err = myApp.Erc20Keeper.ERC20Token.Has(ctx, strings.ToUpper(fxtypes.FXDenom))
+	has, err = myApp.Erc20Keeper.ERC20Token.Has(ctx, fxtypes.OriginalFXDenom())
 	require.NoError(t, err)
 	require.False(t, has)
 }
@@ -638,6 +637,7 @@ func checkModulesData(t *testing.T, ctx sdk.Context, myApp *app.App) {
 	t.Helper()
 
 	checkCrisisModule(t, ctx, myApp)
+	checkBankModule(t, ctx, myApp)
 	checkEvmParams(t, ctx, myApp)
 }
 
@@ -648,3 +648,25 @@ func checkEvmParams(t *testing.T, ctx sdk.Context, myApp *app.App) {
 	require.Equal(t, fxtypes.DefaultDenom, params.EvmDenom)
 	require.Equal(t, evmtypes.DefaultHeaderHashNum, params.HeaderHashNum)
 }
+
+func checkBankModule(t *testing.T, ctx sdk.Context, myApp *app.App) {
+	t.Helper()
+
+	fxDenom := fxtypes.OriginalFXDenom()
+	totalSupply := sdkmath.ZeroInt()
+	myApp.BankKeeper.IterateAllBalances(ctx, func(addr sdk.AccAddress, balance sdk.Coin) bool {
+		require.NotEqual(t, fxDenom, balance.Denom)
+		if balance.Denom == fxtypes.DefaultDenom {
+			totalSupply = totalSupply.Add(balance.Amount)
+		}
+		return false
+	})
+
+	supply := myApp.BankKeeper.GetSupply(ctx, fxtypes.DefaultDenom)
+	require.Equal(t, totalSupply, supply.Amount)
+
+	myApp.BankKeeper.IterateSendEnabledEntries(ctx, func(denom string, sendEnabled bool) (stop bool) {
+		require.NotEqual(t, fxDenom, denom)
+		return false
+	})
+}
diff --git a/app/upgrades/v8/upgrade.go b/app/upgrades/v8/upgrade.go
index 13295185..f6abe795 100644
--- a/app/upgrades/v8/upgrade.go
+++ b/app/upgrades/v8/upgrade.go
@@ -7,6 +7,7 @@ import (
 	"math/big"
 	"strings"
 
+	"cosmossdk.io/collections"
 	sdkmath "cosmossdk.io/math"
 	storetypes "cosmossdk.io/store/types"
 	upgradetypes "cosmossdk.io/x/upgrade/types"
@@ -205,6 +206,9 @@ func upgradeMainnet(
 }
 
 func migrateModulesData(ctx sdk.Context, app *keepers.AppKeepers) error {
+	if err := migrateBankModule(ctx, app.BankKeeper); err != nil {
+		return err
+	}
 	if err := migrateEvmParams(ctx, app.EvmKeeper); err != nil {
 		return err
 	}
@@ -260,9 +264,10 @@ func migrateCrosschainModuleAccount(ctx sdk.Context, ak authkeeper.AccountKeeper
 }
 
 func migrateBridgeBalance(ctx sdk.Context, bankKeeper bankkeeper.Keeper, accountKeeper authkeeper.AccountKeeper) error {
+	fxDenom := fxtypes.OriginalFXDenom()
 	mds := bankKeeper.GetAllDenomMetaData(ctx)
 	for _, md := range mds {
-		if md.Base == fxtypes.DefaultDenom || (len(md.DenomUnits) == 0 || len(md.DenomUnits[0].Aliases) == 0) && md.Symbol != pundixSymbol {
+		if md.Base == fxDenom || (len(md.DenomUnits) == 0 || len(md.DenomUnits[0].Aliases) == 0) && md.Symbol != pundixSymbol {
 			continue
 		}
 		dstBase := md.Base
@@ -335,11 +340,12 @@ func migrateERC20TokenToCrosschain(ctx sdk.Context, bankKeeper bankkeeper.Keeper
 }
 
 func updateMetadata(ctx sdk.Context, bankKeeper bankkeeper.Keeper) error {
+	fxDenom := fxtypes.OriginalFXDenom()
 	mds := bankKeeper.GetAllDenomMetaData(ctx)
 
 	removeMetadata := make([]string, 0, 2)
 	for _, md := range mds {
-		if md.Base == fxtypes.DefaultDenom || (len(md.DenomUnits) == 0 || len(md.DenomUnits[0].Aliases) == 0) && md.Symbol != pundixSymbol {
+		if md.Base == fxDenom || (len(md.DenomUnits) == 0 || len(md.DenomUnits[0].Aliases) == 0) && md.Symbol != pundixSymbol {
 			continue
 		}
 		// remove alias
@@ -653,7 +659,7 @@ func migrateMetadataDisplay(ctx sdk.Context, bankKeeper bankkeeper.Keeper) error
 }
 
 func migrateErc20FXToPundiAI(ctx sdk.Context, keeper erc20keeper.Keeper) error {
-	fxDenom := strings.ToUpper(fxtypes.FXDenom)
+	fxDenom := fxtypes.OriginalFXDenom()
 	erc20Token, err := keeper.GetERC20Token(ctx, fxDenom)
 	if err != nil {
 		return err
@@ -675,5 +681,51 @@ func migrateMetadataFXToPundiAI(ctx sdk.Context, keeper bankkeeper.Keeper) error
 	if !ok {
 		return errors.New("bank keeper not implement bank.BaseKeeper")
 	}
-	return bk.BaseViewKeeper.DenomMetadata.Remove(ctx, strings.ToUpper(fxtypes.FXDenom))
+	return bk.BaseViewKeeper.DenomMetadata.Remove(ctx, fxtypes.OriginalFXDenom())
+}
+
+func migrateBankModule(ctx sdk.Context, bankKeeper bankkeeper.Keeper) error {
+	fxDenom := fxtypes.OriginalFXDenom()
+
+	sendEnabledEntry, found := bankKeeper.GetSendEnabledEntry(ctx, fxDenom)
+	if found {
+		bankKeeper.DeleteSendEnabled(ctx, fxDenom)
+		bankKeeper.SetSendEnabled(ctx, fxtypes.DefaultDenom, sendEnabledEntry.Enabled)
+	}
+
+	var err error
+	fxSupply := bankKeeper.GetSupply(ctx, fxDenom)
+	apundiaiSupply := sdkmath.ZeroInt()
+
+	bk, ok := bankKeeper.(bankkeeper.BaseKeeper)
+	if !ok {
+		return errors.New("bank keeper not implement bank.BaseKeeper")
+	}
+	bk.IterateAllBalances(ctx, func(address sdk.AccAddress, coin sdk.Coin) (stop bool) {
+		if coin.Denom != fxDenom {
+			return false
+		}
+		if err = bk.Balances.Remove(ctx, collections.Join(address, coin.Denom)); err != nil {
+			return true
+		}
+		coin.Denom = fxtypes.DefaultDenom
+		coin.Amount = fxtypes.SwapAmount(coin.Amount)
+		if !coin.IsPositive() {
+			return false
+		}
+		apundiaiSupply = apundiaiSupply.Add(coin.Amount)
+		if err = bk.Balances.Set(ctx, collections.Join(address, coin.Denom), coin.Amount); err != nil {
+			return true
+		}
+		return false
+	})
+	if err != nil {
+		return err
+	}
+
+	ctx.Logger().Info("migrate fx to apundiai", "FX supply", fxSupply.Amount.String(), "apundiai supply", apundiaiSupply.String())
+	if err = bk.Supply.Remove(ctx, fxDenom); err != nil {
+		return err
+	}
+	return bk.Supply.Set(ctx, fxtypes.DefaultDenom, apundiaiSupply)
 }
diff --git a/types/constant.go b/types/constant.go
index 89ab6fdd..a5781442 100644
--- a/types/constant.go
+++ b/types/constant.go
@@ -104,3 +104,7 @@ func SwapCoin(coin sdk.Coin) sdk.Coin {
 	coin.Amount = SwapAmount(coin.Amount)
 	return coin
 }
+
+func OriginalFXDenom() string {
+	return strings.ToUpper(FXDenom)
+}
diff --git a/x/erc20/migrations/v8/keys.go b/x/erc20/migrations/v8/keys.go
index c252620e..111e54ee 100644
--- a/x/erc20/migrations/v8/keys.go
+++ b/x/erc20/migrations/v8/keys.go
@@ -64,7 +64,7 @@ func (m Migrator) migrateParams(ctx sdk.Context, store storetypes.KVStore) error
 }
 
 func (m Migrator) migrateTokenPair(ctx sdk.Context, store storetypes.KVStore) error {
-	fxDenom := strings.ToUpper(fxtypes.FXDenom)
+	fxDenom := fxtypes.OriginalFXDenom()
 	iterator := storetypes.KVStorePrefixIterator(store, KeyPrefixTokenPair)
 	defer iterator.Close()
 	for ; iterator.Valid(); iterator.Next() {
diff --git a/x/erc20/migrations/v8/migrate.go b/x/erc20/migrations/v8/migrate.go
index 45690162..95e084da 100644
--- a/x/erc20/migrations/v8/migrate.go
+++ b/x/erc20/migrations/v8/migrate.go
@@ -16,7 +16,7 @@ import (
 )
 
 func (m Migrator) MigrateToken(ctx sdk.Context) error {
-	fxDenom := strings.ToUpper(fxtypes.FXDenom)
+	fxDenom := fxtypes.OriginalFXDenom()
 	// add FX bridge token
 	if err := m.addToken(ctx, fxDenom, ""); err != nil {
 		return err
@@ -74,7 +74,7 @@ func (m Migrator) addIBCToken(ctx sdk.Context, base, alias string) error {
 }
 
 func (m Migrator) addBridgeToken(ctx sdk.Context, base, alias string) error {
-	fxDenom := strings.ToUpper(fxtypes.FXDenom)
+	fxDenom := fxtypes.OriginalFXDenom()
 	if getExcludeBridgeToken(ctx, alias) {
 		return nil
 	}