diff --git a/libs/cosmos-sdk/baseapp/baseapp.go b/libs/cosmos-sdk/baseapp/baseapp.go
index dcd3952151..4f03beec32 100644
--- a/libs/cosmos-sdk/baseapp/baseapp.go
+++ b/libs/cosmos-sdk/baseapp/baseapp.go
@@ -48,6 +48,9 @@ const (
 	// LatestSimulateTxHeight is the height to simulate tx based on the state of latest block height
 	// only for runTxModeSimulate
 	LatestSimulateTxHeight = 0
+
+	// SimulationGasLimit gas limit of Simulation, limit only stdTx, especially wasm stdTx
+	SimulationGasLimit = 50000000
 )
 
 var (
diff --git a/libs/cosmos-sdk/x/auth/ante/setup.go b/libs/cosmos-sdk/x/auth/ante/setup.go
index 92c79d3c0a..6b9c266dda 100644
--- a/libs/cosmos-sdk/x/auth/ante/setup.go
+++ b/libs/cosmos-sdk/x/auth/ante/setup.go
@@ -2,6 +2,7 @@ package ante
 
 import (
 	"fmt"
+	"github.com/okex/exchain/libs/cosmos-sdk/baseapp"
 
 	sdk "github.com/okex/exchain/libs/cosmos-sdk/types"
 	sdkerrors "github.com/okex/exchain/libs/cosmos-sdk/types/errors"
@@ -22,7 +23,12 @@ func (sud SetUpContextDecorator) AnteHandle(ctx sdk.Context, tx sdk.Tx, simulate
 	// all transactions must implement GasTx
 	gasTx := tx
 
-	SetGasMeter(simulate, &ctx, gasTx.GetGas())
+	if simulate {
+		ctx.SetGasMeter(sdk.NewGasMeter(baseapp.SimulationGasLimit))
+	} else {
+		SetGasMeter(simulate, &ctx, gasTx.GetGas())
+	}
+
 	newCtx = ctx
 
 	// Decorator will catch an OutOfGasPanic caused in the next antehandler
diff --git a/x/wasm/proxy/context.go b/x/wasm/proxy/context.go
index c83ee941b3..5c740a9c17 100644
--- a/x/wasm/proxy/context.go
+++ b/x/wasm/proxy/context.go
@@ -1,6 +1,7 @@
 package proxy
 
 import (
+	"github.com/okex/exchain/libs/cosmos-sdk/baseapp"
 	"github.com/okex/exchain/libs/cosmos-sdk/store/types"
 	"sync"
 	"time"
@@ -17,10 +18,6 @@ import (
 	evmwatcher "github.com/okex/exchain/x/evm/watcher"
 )
 
-const (
-	simulationGasLimit = 3000000
-)
-
 var clientCtx clientcontext.CLIContext
 
 func SetCliContext(ctx clientcontext.CLIContext) {
@@ -33,7 +30,7 @@ func MakeContext(storeKey sdk.StoreKey) sdk.Context {
 	cms := getCommitMultiStore()
 
 	ctx := sdk.NewContext(cms, header, true, tmlog.NewNopLogger())
-	ctx.SetGasMeter(sdk.NewGasMeter(simulationGasLimit))
+	ctx.SetGasMeter(sdk.NewGasMeter(baseapp.SimulationGasLimit))
 	return ctx
 }