* [Feature] Add eta function in model's training stage
* [Feature] Add eta function in model's training stage
* [Feature] Add eta function in model's training stage
* [Feature] Adjust the strategy of ETA function according to Donkey's smart proposals.
* [Feature] Adjust the strategy of ETA function according to Donkey's smart proposals.
* [Feature] Adjust the strategy of ETA function according to Donkey's smart proposals.
* [Feature] Adjust the strategy of ETA function according to Donkey's smart proposals.
* [Feature] Adjust the strategy of ETA function according to Donkey's smart proposals.
* [Feature] Adjust the strategy of ETA function according to Donkey's smart proposals.
* [BugFix] Fix offset bug, residual idxes should -1