- "there are some problems with recognize the single audio with pca preprocessing,the idea is to save the pca transformer when it was first fited,and then try to load corresponding file(joblib or pickle) when you need to recognize several audios that need extract the required dimension feature"

- "update the client layout with more available parameters cross-validation(`kfold`/`shufflesplit`/`StratifiedShuffleSplit`)
- support the `n_splits` as a slider element for use to adjust the folds
- update the `confusion matrix table`show button

  - update the file viwer part function and operation logic with more flexibility.
- kwon problems:
  - with the display or not display the predict_proba layout,the left column may need to resize the window to make the last part of view to visible!

  - update the file viwer part function and operation logic with more flexibility.
- kwon problems:
  - with the display or not display the predict_proba layout,the left column may need to resize the window to make the last part of view to visible!