> starlee 写到： > In the last talk with @gyiang， we thought that extract module adopt the original design. If possible， we will optimize it. Such as applying Mongdb for some data and other improvements。 So I will still add the Mongodb API for the reason .

In the last talk with @gyiang， we thought that extract module adopt the original design. If possible， we will optimize it. Such as applying Mongdb for some data and other improvements。