zju_retract_homework
Retracts a submitted homework to draft status when the instructor allows it, using the activity ID.
Instructions
【写操作】撤回某作业已提交的版本,使其回到草稿态(可重新修改提交)。需要 activity_id。仅当老师开启了 allow_retract 时可撤回;若当前已是草稿或无提交记录会原样告知。
Input Schema
| Name | Required | Description | Default |
|---|---|---|---|
| activity_id | Yes | 作业 id(同 zju_submit_homework) |