fix product cart log

go/gopath/src/fohow.com/apps/models/order_model/order.go

@@ -174,12 +174,12 @@ func GetOrderById(oId string, useCache bool) (order *Order) {
 	}
 	beego.BeeLogger.Warn("order.useCache =[%v]", useCache)
 
-	if order != nil && len(order.ExpressOrderNo) > 0 {
+	if item != nil && len(item.ExpressOrderNo) > 0 {
 		beego.BeeLogger.Warn("order.ExpressOrderNo =[%v]", order.ExpressOrderNo)
 
-		order.Sign = GenExpressPassword(order.ExpressOrderNo)
-		order.CTime = order.CreatedAt.Unix()
-		order.DTime = order.DispatchTime.Unix()
+		item.Sign = GenExpressPassword(order.ExpressOrderNo)
+		item.CTime = order.CreatedAt.Unix()
+		item.DTime = order.DispatchTime.Unix()
 	}
 	cache.Cache.Put(k, item, 5*time.Minute)
 	return item