diff --git a/x/pep/keeper/msg_server_submit_encrypted_tx.go b/x/pep/keeper/msg_server_submit_encrypted_tx.go
index 03806c3d..0ee64ed2 100644
--- a/x/pep/keeper/msg_server_submit_encrypted_tx.go
+++ b/x/pep/keeper/msg_server_submit_encrypted_tx.go
@@ -2,7 +2,6 @@ package keeper
 
 import (
 	"context"
-	cosmosmath "cosmossdk.io/math"
 	"fairyring/x/pep/types"
 	"fmt"
 	"strconv"
@@ -40,13 +39,11 @@ func (k msgServer) SubmitEncryptedTx(goCtx context.Context, msg *types.MsgSubmit
 
 	minGas := k.MinGasPrice(ctx)
 
-	deductedCoin := sdk.NewCoin(minGas.Denom, cosmosmath.NewIntFromUint64(ctx.GasMeter().Limit()).Mul(minGas.Amount))
-
 	err = k.bankKeeper.SendCoinsFromAccountToModule(
 		ctx,
 		senderAddr,
 		types.ModuleName,
-		sdk.NewCoins(deductedCoin),
+		sdk.NewCoins(minGas),
 	)
 
 	if err != nil {
@@ -58,7 +55,7 @@ func (k msgServer) SubmitEncryptedTx(goCtx context.Context, msg *types.MsgSubmit
 		TargetHeight: msg.TargetBlockHeight,
 		Data:         msg.Data,
 		Creator:      msg.Creator,
-		ChargedGas:   &deductedCoin,
+		ChargedGas:   &minGas,
 	}
 
 	txIndex := k.AppendEncryptedTx(ctx, encryptedTx)
diff --git a/x/pep/types/params.go b/x/pep/types/params.go
index 85a97b74..c19e13b1 100644
--- a/x/pep/types/params.go
+++ b/x/pep/types/params.go
@@ -12,7 +12,7 @@ var _ paramtypes.ParamSet = (*Params)(nil)
 
 var (
 	KeyMinGasPrice     = []byte("MinGasPrice")
-	DefaultMinGasPrice = sdk.NewCoin("frt", cosmosmath.NewInt(1))
+	DefaultMinGasPrice = sdk.NewCoin("frt", cosmosmath.NewInt(300000))
 )
 
 // ParamKeyTable the param key table for launch module