diff --git a/server/backtask/task/spec_transfer721/spec_transfer721.go b/server/backtask/task/spec_transfer721/spec_transfer721.go
index d6669bd5..d86a25f7 100644
--- a/server/backtask/task/spec_transfer721/spec_transfer721.go
+++ b/server/backtask/task/spec_transfer721/spec_transfer721.go
@@ -45,21 +45,30 @@ SELECT * FROM t_721nft_spec_transfer WHERE idx > %d AND status = 0 AND createtim
 		func () time.Duration {
 			return time.Second * 60 * 1
 		},
-		func (ds *f5.DataSet) bool {
-			idx := q5.ToInt64(ds.GetByName("idx"))
-			netId := q5.ToInt32(ds.GetByName("net_id"))
-			contractAddress := ds.GetByName("contract_address")
-			tokenId := ds.GetByName("token_id")
-			fromAddress := ds.GetByName("from_address")
-			toAddress := ds.GetByName("toaddress")
-			contractMeta := mt.Table.Contract.GetByNetIdAddress(netId, contractAddress)
-			if contractMeta != nil {
-				if p, ok := this.handleHash.Load(contractMeta.GetName()); ok {
-					if q5.IsWeb3ZeroAddress(fromAddress) {
-						(*p).onMint(idx, netId, contractAddress, tokenId, fromAddress, toAddress)
-					}
+		this.dispatch)
+}
+
+func (this* SpecTransfer721) dispatch(ds *f5.DataSet) bool {
+	idx := q5.ToInt64(ds.GetByName("idx"))
+	netId := q5.ToInt32(ds.GetByName("net_id"))
+	contractAddress := ds.GetByName("contract_address")
+	tokenId := ds.GetByName("token_id")
+	fromAddress := ds.GetByName("from_address")
+	toAddress := ds.GetByName("toaddress")
+	contractMeta := mt.Table.Contract.GetByNetIdAddress(netId, contractAddress)
+	nftLockMeta := mt.Table.Contract.GetByNetIdName(netId, jccommon.CONTRACT_NAME_NFTLock)
+	if contractMeta != nil {
+		if p, ok := this.handleHash.Load(contractMeta.GetName()); ok {
+			if q5.IsWeb3ZeroAddress(fromAddress) {
+				return (*p).onMint(idx, netId, contractAddress, tokenId, fromAddress, toAddress)
+			} else if nftLockMeta != nil {
+				if toAddress == nftLockMeta.GetAddress() {
+					return (*p).onLock(idx, netId, contractAddress, tokenId, fromAddress, toAddress)
+				} else if fromAddress == nftLockMeta.GetAddress() {
+					return (*p).onUnlock(idx, netId, contractAddress, tokenId, fromAddress, toAddress)
 				}
 			}
-			return true
-		})
+		}
+	}
+	return true
 }
diff --git a/server/jccommon/constant.go b/server/jccommon/constant.go
index f8c2e0e1..7115a813 100644
--- a/server/jccommon/constant.go
+++ b/server/jccommon/constant.go
@@ -28,4 +28,5 @@ const (
 const (
 	CONTRACT_NAME_CFHero = "CFHero"
 	CONTRACT_NAME_GoldBrick = "GoldBrick"
+	CONTRACT_NAME_NFTLock = "NFTLock"
 )