diff --git a/server/light_backtask/task/chain_activity.go b/server/light_backtask/task/chain_activity.go
index 412bf115..c98517ec 100644
--- a/server/light_backtask/task/chain_activity.go
+++ b/server/light_backtask/task/chain_activity.go
@@ -39,15 +39,15 @@ func (this* chainActivity) unInit() {
 
 func (this* chainActivity) processLockAndUnLockEvent(netId int32, lockContractAddress string) {
 	f5.GetGoStyleDb().IncrementLoad(
-		constant.BCNFT_DB,
+		constant.BCEVENT_DB,
 		"chainActivity",
 		"t_blockchain_event",
 		0,
 		func (lastIdx int64, maxIdx int64) (string, []string) {
 			sql := fmt.Sprintf(`
 SELECT * FROM t_blockchain_event
-WHERE idx > %d AND idx <= %d AND netId = %d AND contract_address = ? AND event_name IN (?, ?)
-ORDER BY idx LIMIT 1000
+WHERE idx > %d AND idx <= %d AND net_id = %d AND contract_address = ? AND event_name IN (?, ?)
+ORDER BY idx LIMIT 10
 `,
 				lastIdx,
 				maxIdx,
@@ -66,5 +66,9 @@ ORDER BY idx LIMIT 1000
 }
 
 func (this* chainActivity) repairNft(ds *f5.DataSet) bool {
+	f5.GetSysLog().Info("load lock/unlock idx:%s contract_name:%s event_name:%s",
+		ds.GetByName("idx"),
+		ds.GetByName("contract_name"),
+		ds.GetByName("event_name"))
 	return true
 }