diff --git a/Makefile b/Makefile
index bd76e81ee4..44ac61b048 100644
--- a/Makefile
+++ b/Makefile
@@ -8,7 +8,7 @@ export GO111MODULE=on
 GithubTop=github.com
 
 
-Version=v0.18.11
+Version=v0.18.12
 CosmosSDK=v0.39.2
 Tendermint=v0.33.9
 Iavl=v0.14.3
diff --git a/app/app.go b/app/app.go
index 7e7e635bb0..43041b649e 100644
--- a/app/app.go
+++ b/app/app.go
@@ -416,6 +416,7 @@ func NewOKExChainApp(
 	app.SetAnteHandler(ante.NewAnteHandler(app.AccountKeeper, app.EvmKeeper, app.SupplyKeeper, validateMsgHook(app.OrderKeeper)))
 	app.SetEndBlocker(app.EndBlocker)
 	app.SetGasRefundHandler(refund.NewGasRefundHandler(app.AccountKeeper, app.SupplyKeeper))
+	app.SetAccHandler(NewAccHandler(app.AccountKeeper))
 
 	if loadLatest {
 		err := app.LoadLatestVersion(app.keys[bam.MainStoreKey])
@@ -589,3 +590,11 @@ func validateMsgHook(orderKeeper order.Keeper) ante.ValidateMsgHandler {
 		return nil
 	}
 }
+
+func NewAccHandler(ak auth.AccountKeeper) sdk.AccHandler {
+	return func(
+		ctx sdk.Context, addr sdk.AccAddress,
+	) uint64 {
+		return ak.GetAccount(ctx, addr).GetSequence()
+	}
+}
\ No newline at end of file
diff --git a/go.mod b/go.mod
index f10929ab42..200a76c6e7 100644
--- a/go.mod
+++ b/go.mod
@@ -56,7 +56,7 @@ require (
 )
 
 replace (
-	github.com/cosmos/cosmos-sdk => github.com/okex/cosmos-sdk v0.39.3-0.20210727103206-6345fb1f29e8
+	github.com/cosmos/cosmos-sdk => github.com/okex/cosmos-sdk v0.39.2-exchain9
 	github.com/tendermint/iavl => github.com/okex/iavl v0.14.3-exchain
 	github.com/tendermint/tendermint => github.com/okex/tendermint v0.33.9-exchain6
 )
diff --git a/go.sum b/go.sum
index ed54db7b9b..769e67f944 100644
--- a/go.sum
+++ b/go.sum
@@ -499,8 +499,8 @@ github.com/nats-io/nkeys v0.1.3/go.mod h1:xpnFELMwJABBLVhffcfd1MZx6VsNRFpEugbxzi
 github.com/nats-io/nuid v1.0.1/go.mod h1:19wcPz3Ph3q0Jbyiqsd0kePYG7A95tJPxeL+1OSON2c=
 github.com/nxadm/tail v1.4.4 h1:DQuhQpB1tVlglWS2hLQ5OV6B5r8aGxSrPc5Qo6uTN78=
 github.com/nxadm/tail v1.4.4/go.mod h1:kenIhsEOeOJmVchQTgglprH7qJGnHDVpk1VPCcaMI8A=
-github.com/okex/cosmos-sdk v0.39.3-0.20210727103206-6345fb1f29e8 h1:NrZgzvAloeUexA08O3Us75IqIa5CDr70Lk1wwPVo65w=
-github.com/okex/cosmos-sdk v0.39.3-0.20210727103206-6345fb1f29e8/go.mod h1:IvlniaZoJAtzILHgcmnfaJ5S125TYJWfJvGqY9zSXb4=
+github.com/okex/cosmos-sdk v0.39.2-exchain9 h1:KG7t/7zWSbfC9LzGJn0c6OMuhrx3TVx4pNt/UNbQQWA=
+github.com/okex/cosmos-sdk v0.39.2-exchain9/go.mod h1:IvlniaZoJAtzILHgcmnfaJ5S125TYJWfJvGqY9zSXb4=
 github.com/okex/iavl v0.14.3-exchain h1:kwRIwpFD6B8mDDqoaxeUN3Pg2GW0Vr+sA+b86renWcA=
 github.com/okex/iavl v0.14.3-exchain/go.mod h1:vHLYxU/zuxBmxxr1v+5Vnd/JzcIsyK17n9P9RDubPVU=
 github.com/okex/tendermint v0.33.9-exchain6 h1:g2pinlQENrKwryRHwRCLOQygQ5Mq37vqxkEuAKcj72g=