diff --git a/npu_mnist_example/train_continue.py b/npu_mnist_example/train_continue.py
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+++ b/npu_mnist_example/train_continue.py
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+#####################################################################################################
+# 继续训练功能：修改训练任务时，若勾选复用上次结果，则可在新训练任务的输出路径中读取到上次结果
+#
+# 示例用法
+# - 增加两个训练参数 
+#    'ckpt_save_name' 此次任务的输出文件名，用于保存此次训练的模型文件名称（不带后缀） 
+#    'ckpt_load_name' 上一次任务的输出文件名，用于加载上一次输出的模型文件名称（不带后缀），首次训练默认为空，则不读取任何文件
+# - 训练代码中判断 'ckpt_load_name' 是否为空，若不为空，则为继续训练任务
+#####################################################################################################
+
+
+import os
+import argparse
+from config import mnist_cfg as cfg
+from dataset import create_dataset
+from dataset_distributed import create_dataset_parallel
+from lenet import LeNet5
+import mindspore.nn as nn
+from mindspore.train.callback import ModelCheckpoint, CheckpointConfig, LossMonitor, TimeMonitor
+from mindspore import load_checkpoint, load_param_into_net
+from mindspore.train import Model
+from mindspore.nn.metrics import Accuracy
+from mindspore.communication.management import get_rank
+
+from openi import obs_copy_file
+from openi import obs_copy_folder
+from openi import openi_multidataset_to_env
+
+parser = argparse.ArgumentParser(description='MindSpore Lenet Example')
+parser.add_argument('--multi_data_url',
+                    help='path to training/inference dataset folder',
+                    default= '[{}]')
+
+parser.add_argument('--train_url',
+                    help='output folder to save/load',
+                    default= '')
+
+parser.add_argument(
+    '--device_target',
+    type=str,
+    default="Ascend",
+    choices=['Ascend', 'CPU'],
+    help='device where the code will be implemented (default: Ascend),if to use the CPU on the Qizhi platform:device_target=CPU')
+
+parser.add_argument('--epoch_size',
+                    type=int,
+                    default=5,
+                    help='Training epochs.')
+
+### continue task parameters
+parser.add_argument('--ckpt_load_name',
+                help='model name to save/load',
+                default=  '')
+
+parser.add_argument('--ckpt_save_name',
+                help='model name to save/load',
+                default=  'checkpoint')
+
+
+if __name__ == "__main__":
+    args, unknown = parser.parse_known_args()
+    data_dir = '/cache/data'  
+    base_path = '/cache/output'
+
+    try: 
+        if not os.path.exists(data_dir):
+            os.makedirs(data_dir)
+        if not os.path.exists(base_path):
+            os.makedirs(base_path)
+    except Exception as e:
+        print("path already exists")
+
+    openi_multidataset_to_env(args.multi_data_url, data_dir)
+
+    device_num = int(os.getenv('RANK_SIZE'))
+    if device_num == 1:
+        ds_train = create_dataset(os.path.join(data_dir + "/MNISTData", "train"),  cfg.batch_size)
+    if device_num > 1:
+        ds_train = create_dataset_parallel(os.path.join(data_dir + "/MNISTData", "train"),  cfg.batch_size)
+    if ds_train.get_dataset_size() == 0:
+        raise ValueError("Please check dataset size > 0 and batch_size <= dataset size")
+
+    network = LeNet5(cfg.num_classes)
+    net_loss = nn.SoftmaxCrossEntropyWithLogits(sparse=True, reduction="mean")
+    net_opt = nn.Momentum(network.trainable_params(), cfg.lr, cfg.momentum)
+    time_cb = TimeMonitor(data_size=ds_train.get_dataset_size())
+    
+    ### 继续训练模型加载
+    if args.ckpt_load_name:
+        obs_copy_folder(args.train_url, base_path)
+        load_path = "{}/{}.ckpt".format(base_path,args.ckpt_load_name)   
+        param_dict = load_checkpoint(load_path)         
+        load_param_into_net(network, param_dict)
+        print("Successfully load ckpt file:{}, saved_net_work:{}".format(load_path,param_dict))
+    ### 保存已有模型名避免重复回传结果
+    outputFiles = os.listdir(base_path)
+
+    if args.device_target != "Ascend":
+        model = Model(network,
+                      net_loss,
+                      net_opt,
+                      metrics={"accuracy": Accuracy()})
+    else:
+        model = Model(network,
+                      net_loss,
+                      net_opt,
+                      metrics={"accuracy": Accuracy()},
+                      amp_level="O2")
+
+    config_ck = CheckpointConfig(
+        save_checkpoint_steps=cfg.save_checkpoint_steps,
+        keep_checkpoint_max=cfg.keep_checkpoint_max)
+    #Note that this method saves the model file on each card. You need to specify the save path on each card.
+    # In this example, get_rank() is added to distinguish different paths.
+    if device_num == 1:
+        save_path = base_path + "/"
+    if device_num > 1:
+        save_path = base_path + "/" + str(get_rank()) + "/"
+    ckpoint_cb = ModelCheckpoint(prefix=args.ckpt_save_name,
+                                directory=save_path,
+                                config=config_ck)
+    print("============== Starting Training ==============")
+    epoch_size = cfg['epoch_size']
+    if (args.epoch_size):
+        epoch_size = args.epoch_size
+        print('epoch_size is: ', epoch_size)
+    model.train(epoch_size,
+                ds_train,
+                callbacks=[time_cb, ckpoint_cb,
+                           LossMonitor()])
+    
+    ### 将训练容器中的新输出模型 回传到启智社区
+    outputFilesNew = os.listdir(base_path)
+    new_models = [i for i in outputFilesNew if i not in outputFiles]
+    for n in new_models:
+        ckpt_url = base_path + "/" + n
+        obs_ckpt_url = args.train_url + "/" + n
+        obs_copy_file(ckpt_url, obs_ckpt_url)
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