[Feature Enhancement] Implement decompose method of "fixed-start" and refactor codes. (#408)

* Support to save the running_states.

* Define a dataclass DecomposeConfig.

* Fix a sample.

* Record the number of original incorrect models.

* Optimzie codes.

* Opimize codes.

* Support fixed-start method.

* Add the definition of ModelRecord and RunningState to refactor some codes.

* Update test script.

Author: Xreki