add_argument('total_step',int,90000,"Number of the training step.")
add_arg('use_gpu',bool,True,"Whether use GPU or CPU.")
add_argument('init_weights_path',str,None,
add_arg('num_classes',int,19,"Number of classes.")
"Path of the initial weights in paddlepaddle format.")
add_arg('load_logit_layer',bool,True,"Load last logit fc layer or not. If you are training with different number of classes, you should set to False.")