diff --git a/comm/const.go b/comm/const.go
index 59a2113d1..3eb7c80f6 100644
--- a/comm/const.go
+++ b/comm/const.go
@@ -905,6 +905,7 @@ const (
 	Rtype232 TaskType = 232 // 种族塔通关x阵营x层
 	Rtype234 TaskType = 234 // 完成多次捕羊大赛
 	Rtype235 TaskType = 235 // 指定X龙的等级达到Y级
+	Rtype236 TaskType = 236 // 购买X章的商店物品数量达到Y件
 )
 const (
 	MailLineEasy      int32 = 1 // 简单
diff --git a/modules/mainline/api_shopbuy.go b/modules/mainline/api_shopbuy.go
index db312cb5d..c19a8e8a8 100644
--- a/modules/mainline/api_shopbuy.go
+++ b/modules/mainline/api_shopbuy.go
@@ -26,6 +26,7 @@ func (this *apiComp) ShopBuy(session comm.IUserSession, req *pb.MainlineShopBuyR
 		shopConf *cfg.GameMainShopItemData
 		bUnlock  bool
 		atno     []*pb.UserAtno
+		tasks    []*pb.BuriedParam = make([]*pb.BuriedParam, 0)
 	)
 	bUnlock = true
 	errdata = this.ShopBuyCheck(session, req)
@@ -87,5 +88,10 @@ func (this *apiComp) ShopBuy(session comm.IUserSession, req *pb.MainlineShopBuyR
 		Info: info,
 		Item: atno,
 	})
+	tasks = append(tasks, comm.GetBuriedParam(comm.Rtype236, shopConf.Shopid, 1))
+
+	go this.module.AsynHandleSession(session.Clone(), func(session comm.IUserSession) {
+		this.module.ModuleBuried.TriggerBuried(session, tasks...)
+	})
 	return
 }