diff --git a/server/light_backtask/task/recharge.go b/server/light_backtask/task/recharge.go
index 9c5de2d7..bde83e7f 100644
--- a/server/light_backtask/task/recharge.go
+++ b/server/light_backtask/task/recharge.go
@@ -99,7 +99,6 @@ func (this *recharge) saveToDb(ds *f5.DataSet) bool {
 				{"txhash", txhash},
 				{"log_index", logIndex},
 				{"net_id", netId},
-				{"event_name", eventName},
 				{"contract_address", strings.ToLower(contractAddress)},
 				{"src_idx", idx},
 				{"buyer", p.Buyer},