|   参数名  |       取值  |       参数名  |       取值  |    
|   n_estimators  |       60  |       scale_pos_weight  |       0.996  |    
|   learning_rate  |       0.10  |       subsample  |       0.71  |    
|   max_depth  |       7.00  |       colsample_bytree  |       0.68  |    
|   min_child_weight  |       5.00  |       gamma  |       0.65  |