diff --git a/server/light_backtask/task/vester.go b/server/light_backtask/task/vester.go
index 76b3b691..338d71c2 100644
--- a/server/light_backtask/task/vester.go
+++ b/server/light_backtask/task/vester.go
@@ -55,8 +55,8 @@ ORDER BY idx LIMIT 1000
 					netId)
 				params := []string{
 					contractAddress,
-					"Deposit",
-					"Withdraw",
+					VESTER_DEPOSIT_EVENT_NAME,
+					VESTER_WITHDRAW_EVENT_NAME,
 				}
 				return sql, params
 			},