v0.2.2

remove once_cell

v0.2.1

update shutdown singal

v0.2.0

1.use separate threads for task fetching and status updating, improving concurrency and system responsiveness.
2.overhauled the secondary index structure of the native_db task table to optimize query performance, enabling faster task lookups
3.automatic cleanup completed once tasks after 30 minutes, ensuring efficient storage management and reduced database bloat.

v0.1.12

The asynchronous execution of task retrieval and status updates has been optimized.
a batch task addition interface has been added, supporting delayed execution parameters for both one-time and recurring tasks.

v0.1.9

bump to 0.1.9

v0.1.8

Enable PeriodicTask to accept parameters.

v0.1.7

bump version to 0.1.7

v0.1.6

v0.1.6fix

Update README.md