diff --git a/build/classes/com/ischoolbar/programmer/entity/common/Product.class b/build/classes/com/ischoolbar/programmer/entity/common/Product.class
index 49d180f..0aa6715 100644
Binary files a/build/classes/com/ischoolbar/programmer/entity/common/Product.class and b/build/classes/com/ischoolbar/programmer/entity/common/Product.class differ