diff --git a/go.mod b/go.mod
index 1589f0d..1dc6493 100644
--- a/go.mod
+++ b/go.mod
@@ -5,7 +5,7 @@ go 1.12
 require (
 	github.com/asdine/storm v2.1.2+incompatible
 	github.com/astaxie/beego v1.11.1
-	github.com/blocktree/go-owcdrivers v1.0.0
+	github.com/blocktree/go-owcdrivers v1.0.2
 	github.com/blocktree/go-owcrypt v1.0.0
 	github.com/blocktree/openwallet v1.2.1
 	github.com/bndr/gotabulate v1.1.2
diff --git a/go.sum b/go.sum
index 2ea455f..b68bbcd 100644
--- a/go.sum
+++ b/go.sum
@@ -18,6 +18,8 @@ github.com/beego/x2j v0.0.0-20131220205130-a0352aadc542/go.mod h1:kSeGC/p1AbBiEp
 github.com/belogik/goes v0.0.0-20151229125003-e54d722c3aff/go.mod h1:PhH1ZhyCzHKt4uAasyx+ljRCgoezetRNf59CUtwUkqY=
 github.com/blocktree/go-owcdrivers v1.0.0 h1:dMxbi+In7On3fq/2cfaO+IdKY35l++4cPFe6jcdJanM=
 github.com/blocktree/go-owcdrivers v1.0.0/go.mod h1:AzbIxzzRcSszV/XwOiu83QqKuGTuWyCdCrVfGNt2bk8=
+github.com/blocktree/go-owcdrivers v1.0.2 h1:rFUL4wexwn1nT++SCCXPFOjV2WfBJGHyclS8UW/sElk=
+github.com/blocktree/go-owcdrivers v1.0.2/go.mod h1:AzbIxzzRcSszV/XwOiu83QqKuGTuWyCdCrVfGNt2bk8=
 github.com/blocktree/go-owcrypt v1.0.0 h1:u3B59ZjmZ6vB8NrIicUvKKiiDY2oeJCInWsEq1swwSY=
 github.com/blocktree/go-owcrypt v1.0.0/go.mod h1:5FCinL/4XVEqbmAFTOUgfMJVNJEw6WzVy624qsxzZC8=
 github.com/blocktree/openwallet v1.2.1 h1:t+AsfEZvBGxkhUYZWcOsuAoeFdNxSMJ9I1VOPqplPGM=
diff --git a/tron/addr_decoder.go b/tron/addr_decoder.go
index 1442551..98d85c7 100644
--- a/tron/addr_decoder.go
+++ b/tron/addr_decoder.go
@@ -72,7 +72,7 @@ func DecodeAddress(addr string, isTestnet bool) (string, []byte, error) {
 	if err != nil {
 		return "", nil, err
 	}
-	toAddressBytes = append(codeType.Prefix(), toAddressBytes...)
+	toAddressBytes = append(codeType.Prefix, toAddressBytes...)
 	return hex.EncodeToString(toAddressBytes), toAddressBytes, nil
 }
 
diff --git a/tron/manager_txRef.go b/tron/manager_txRef.go
index 43bf7da..786d64e 100644
--- a/tron/manager_txRef.go
+++ b/tron/manager_txRef.go
@@ -390,7 +390,7 @@ func (wm *WalletManager) validSignedTokenTransaction(txHash []byte, signature []
 		return fmt.Errorf("verify SignedTransactionRef failed:verify signature failed")
 	}
 	pkHash := owcrypt.Hash(pkBytes, 0, owcrypt.HASH_ALG_KECCAK256)[12:32]
-	pkgenAddress := append(codeType.Prefix(), pkHash...)
+	pkgenAddress := append(codeType.Prefix, pkHash...)
 	pkgenAddressHex := hex.EncodeToString(pkgenAddress)
 	if pkgenAddressHex != ownerAddressHex {
 		return fmt.Errorf("verify SignedTransactionRef failed: signed address is not the owner address")