1. 熟悉了解OOTB 操作工作流，软类型和IBA属性的创建； 2. 掌握创建文档的 API； 3. 了解ECN,ECA流程概念和变更影响数据关系； -1 to become familiar with operating OOTB workflows, soft type and IBA attributes created 2 master document is created API 3. Understand ECN, ECA changes affecting dat