diff --git a/core/handle_tx.go b/core/handle_tx.go
index 4a1dcb6..8d2c996 100644
--- a/core/handle_tx.go
+++ b/core/handle_tx.go
@@ -43,7 +43,7 @@ func TxDecode(network string, rawTxStr string) {
 
 	jsonTx := &json.OrderedResult{
 		{Key: "txid", Val: tx.TxHash().String()},
-		{Key: "txhash", Val: tx.TxHashFull().String()},
+		{Key: "txhash", Val: tx.TxHash().String()},
 		{Key: "version", Val: int32(tx.Version)},
 		{Key: "locktime", Val: tx.LockTime},
 		{Key: "expire", Val: tx.Expire},
@@ -74,7 +74,7 @@ func TxEncode(version TxVersionFlag, lockTime TxLockTimeFlag, txIn TxInputsFlag,
 			ErrExit(err)
 		}
 		prevOut := types.NewOutPoint(txHash, input.index)
-		txIn := types.NewTxInput(prevOut, types.NullValueIn, []byte{})
+		txIn := types.NewTxInput(prevOut,[]byte{})
 		txIn.Sequence = input.sequence
 		if lockTime != 0 {
 			txIn.Sequence = types.MaxTxInSequenceNum - 1
@@ -114,7 +114,7 @@ func TxEncode(version TxVersionFlag, lockTime TxLockTimeFlag, txIn TxInputsFlag,
 		txOut := types.NewTxOutput(uint64(atomic), pkScript)
 		mtx.AddTxOut(txOut)
 	}
-	mtxHex, err := mtx.Serialize(types.TxSerializeNoWitness)
+	mtxHex, err := mtx.Serialize()
 	if err != nil {
 		ErrExit(err)
 	}
diff --git a/go.mod b/go.mod
index 84b9724..fad6845 100644
--- a/go.mod
+++ b/go.mod
@@ -3,7 +3,7 @@ module github.com/Qitmeer/qx
 go 1.12
 
 require (
-	github.com/Qitmeer/qitmeer-lib v0.0.0-20190821053846-bf695e5493d1
+	github.com/Qitmeer/qitmeer-lib v0.0.0-20190822144243-f312929778d5
 	github.com/pkg/errors v0.8.1
 	github.com/stretchr/testify v1.3.0
 )
diff --git a/go.sum b/go.sum
index 45008ab..fc489f5 100644
--- a/go.sum
+++ b/go.sum
@@ -1,5 +1,7 @@
 github.com/Qitmeer/qitmeer-lib v0.0.0-20190821053846-bf695e5493d1 h1:kMzA31wyrFAQ6b8HuVstU+5jtZHa5ZRkMycI3bTJ+Qw=
 github.com/Qitmeer/qitmeer-lib v0.0.0-20190821053846-bf695e5493d1/go.mod h1:qQJR7/HBuObR1j4+dt6hLCQ8ZxiyuXjaK8ePeptriJk=
+github.com/Qitmeer/qitmeer-lib v0.0.0-20190822144243-f312929778d5 h1:bJA+bSbIMX8gd2KoyTCfZEymLwX2RTUSqmj/uTbb91E=
+github.com/Qitmeer/qitmeer-lib v0.0.0-20190822144243-f312929778d5/go.mod h1:qQJR7/HBuObR1j4+dt6hLCQ8ZxiyuXjaK8ePeptriJk=
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/dchest/blake256 v1.0.0/go.mod h1:xXNWCE1jsAP8DAjP+rKw2MbeqLczjI3TRx2VK+9OEYY=