_BASE_: [ '../datasets/coco_detection.yml', '../runtime.yml', '_base_/retinanet_r50_fpn.yml', '_base_/optimizer_2x.yml', '_base_/retinanet_reader.yml' ] weights: https://paddledet.bj.bcebos.com/models/retinanet_r101_distill_r50_2x_coco.pdparams
