_BASE_: [
  '../../datasets/dota.yml',
  '../../runtime.yml',
  '_base_/s2anet_optimizer_2x.yml',
  '_base_/s2anet.yml',
  '_base_/s2anet_reader.yml',
]
pretrain_weights: https://paddledet.bj.bcebos.com/models/pretrained/ResNet50_vd_ssld_v2_pretrained.pdparams

weights: output/s2anet_alignconv_2x_dota/model_final