diff --git a/libs/cosmos-sdk/x/auth/types/stdtx.go b/libs/cosmos-sdk/x/auth/types/stdtx.go
index 7c3776d4e9..a0bdd0f36d 100644
--- a/libs/cosmos-sdk/x/auth/types/stdtx.go
+++ b/libs/cosmos-sdk/x/auth/types/stdtx.go
@@ -4,7 +4,7 @@ import (
 	"encoding/json"
 	"fmt"
 	"math/big"
-	
+
 	ethcmn "github.com/ethereum/go-ethereum/common"
 	"github.com/ethereum/go-ethereum/rlp"
 	"github.com/okex/exchain/libs/cosmos-sdk/codec"