zevellong

I tried to trace the call, the call process is as follows: - **XGBoost**: `shap_values()` --> `phi=xgbooost.predict(X, pred_contribs=True)` --> `out=phi[:, :-1]` --> `return out` - **lightGBM**:`shap_values()`-->`phi=lightgbm.predict(X, pred_contrib=True)`--> `phi2 = np.concatenate((0-phi,...