diff --git a/server/light_backtask/service/vip.go b/server/light_backtask/service/vip.go
index 22ad4154..dae02af8 100644
--- a/server/light_backtask/service/vip.go
+++ b/server/light_backtask/service/vip.go
@@ -12,6 +12,15 @@ type vip struct {
 	lock sync.Mutex
 }
 
+type vesterDepositWithdrawPo struct {
+	eventName string
+	chainTimestamp int32
+	accountAddress string
+	depositAmount string
+	withdrawClamiedAmount string
+	withdrawBalance string
+}
+
 func (this *vip) init() () {
 }