diff --git a/server/marketserver/constant/constant.go b/server/marketserver/constant/constant.go
index 9f755ff3..0d24deed 100644
--- a/server/marketserver/constant/constant.go
+++ b/server/marketserver/constant/constant.go
@@ -21,3 +21,9 @@ const (
 	ORDER_STATUS_FILLED = "FILLED"
 	ORDER_STATUS_EXPIRED = "EXPIRED"
 )
+
+const (
+	ORDER_UPDATE_EVENT = "imtbl_zkevm_order_updated"
+	TRADE_CREATED_EVENT = "imtbl_zkevm_trade_created"
+	ACTIVITY_SALE_EVENT = "imtbl_zkevm_activity_sale"
+)
diff --git a/server/marketserver/task/taskmgr.go b/server/marketserver/task/taskmgr.go
index 3886a7db..15baca0a 100644
--- a/server/marketserver/task/taskmgr.go
+++ b/server/marketserver/task/taskmgr.go
@@ -1,13 +1,80 @@
 package task
 
+import (
+	"q5"
+	"f5"
+	"main/constant"
+	"time"
+)
+
 type taskMgr struct {
 
 }
 
 func (this* taskMgr) Init() {
-
+	go this.syncOrderUpdatedEvent()
 }
 
 func (this* taskMgr) UnInit() {
 
 }
+
+func (this* taskMgr) syncOrderUpdatedEvent() {
+	var lastSyncIdx = this.getLastIdx(constant.ORDER_UPDATE_EVENT)
+	for true {
+		if lastSyncIdx < 0 {
+			lastSyncIdx = this.getLastIdx(constant.ORDER_UPDATE_EVENT)
+			if lastSyncIdx >= 0 {
+				continue
+			}
+		} else {
+
+		}
+		time.Sleep(time.Second * 3)
+	}
+}
+
+func (this* taskMgr) getLastIdx(eventName string) int64 {
+	var lastSyncIdx int64 = -1
+	f5.GetGoStyleDb().OrmSelectOne(
+		constant.BCEVENT_DB,
+		"t_webhook_process_last_idx",
+		[][]string{
+			{"event_name", eventName},
+		},
+		func (err error, ds *f5.DataSet) {
+			if err != nil {
+				return
+			}
+			if ds.Next() {
+				lastSyncIdx = q5.ToInt64(ds.GetByName("last_idx"))
+			} else {
+				lastSyncIdx = 0
+			}
+		})
+	return lastSyncIdx
+}
+
+func (this* taskMgr) saveLastIdx(eventName string, lastIdx int64) bool {
+	var result bool = false
+	nowTime := f5.GetApp().GetRealSeconds()
+	f5.GetGoStyleDb().Upsert(
+		constant.BCEVENT_DB,
+		"t_webhook_process_last_idx",
+		[][]string{
+			{"event_name", eventName},
+		},
+		[][]string{
+			{"last_idx", q5.ToString(lastIdx)},
+		},
+		[][]string{
+			{"event_name", eventName},
+			{"last_idx", q5.ToString(lastIdx)},
+			{"createtime", q5.ToString(nowTime)},
+			{"modifytime", q5.ToString(nowTime)},
+		},
+		func (err error, lastInsertId int64, rowsAffected int64) {
+			result = err == nil
+		})
+	return result
+}