1. How to safely save the metadata of the official document? How does the metadata store and parse? How to ensure its security?
2. During the circulation process, if the task gives the leadership, what is the leadership no longer handled?
3. How to support the rollback of the task?
4. Support the random jump of the task? How to define the role of setting task jump?
5. How do I provide customers with simple custom forms and process control?
