is_attend

models/flashbuy/flashbuy.go

 	}
 	var cols = []string{
 		"is_new",
-		"si_attend",
+		"is_attend",
 	}
 	_, err := m.db.Cols(cols...).Where("customer_id = ?", customer.CustomerId).And("flash_buy_id =?", flashBuyId).Update(customer)
 	return err