diff --git a/server/light_backtask/task/vester.go b/server/light_backtask/task/vester.go
index 76f4d913..bcc7d1e5 100644
--- a/server/light_backtask/task/vester.go
+++ b/server/light_backtask/task/vester.go
@@ -34,11 +34,11 @@ func (this *vester) unInit() {
 }
 
 func (this *vester) process(netId int32, contractAddress string) {
-	key := fmt.Sprintf("vester.lastIdx.%d.%s", netId, contractAddress)
+	key := fmt.Sprintf("vester.depositAndWithdraw.lastIdx.%d.%s", netId, contractAddress)
 	if dbLastIdxStr, err := jccommon.GetDbParam(constant.BCEVENT_DB, key); err == nil {
 		f5.GetGoStyleDb().IncrementLoad(
 			constant.BCEVENT_DB,
-			"vester." + q5.ToString(netId) + "." + contractAddress,
+			"vester.depositAndWithdraw." + q5.ToString(netId) + "." + contractAddress,
 			"t_blockchain_event",
 			q5.ToInt64(dbLastIdxStr),
 			func (lastIdx int64, maxIdx int64) (string, []string) {
@@ -62,7 +62,7 @@ ORDER BY idx LIMIT 1000
 			},
 			this.saveToDb)
 	} else {
-		panic(fmt.Sprintf("vester getDBParam error %s", err))
+		panic(fmt.Sprintf("vester.depositAndWithdraw getDBParam error %s", err))
 	}
 }