| Name | Description | Type | Additional information |
|---|---|---|---|
| CourseId |
课程编号(发布编号) |
globally unique identifier |
None. |
| StudentId |
学生编号 |
string |
None. |
| LearnLength |
学生学习该课时长 |
integer |
None. |
| CreatedTime |
创建时间 |
date |
None. |