diff --git a/tools/test_hubserving.py b/deploy/hubserving/test_hubserving.py
similarity index 100%
rename from tools/test_hubserving.py
rename to deploy/hubserving/test_hubserving.py
diff --git a/tools/serving/image_http_client.py b/deploy/paddleserving/image_http_client.py
similarity index 100%
rename from tools/serving/image_http_client.py
rename to deploy/paddleserving/image_http_client.py
diff --git a/tools/serving/image_service_cpu.py b/deploy/paddleserving/image_service_cpu.py
similarity index 100%
rename from tools/serving/image_service_cpu.py
rename to deploy/paddleserving/image_service_cpu.py
diff --git a/tools/serving/image_service_gpu.py b/deploy/paddleserving/image_service_gpu.py
similarity index 100%
rename from tools/serving/image_service_gpu.py
rename to deploy/paddleserving/image_service_gpu.py
diff --git a/tools/serving/utils.py b/deploy/paddleserving/utils.py
similarity index 100%
rename from tools/serving/utils.py
rename to deploy/paddleserving/utils.py
diff --git a/ppcls/configs/ImageNet/MobileNetV3/MobileNetV3_large_x0_35.yaml b/ppcls/configs/ImageNet/MobileNetV3/MobileNetV3_large_x0_35.yaml
index 6688261e62f505a4619fa0d72ce6d498e7e450e9..a34068cd06f122e0f388ce169f3e699ef6c35a7d 100644
--- a/ppcls/configs/ImageNet/MobileNetV3/MobileNetV3_large_x0_35.yaml
+++ b/ppcls/configs/ImageNet/MobileNetV3/MobileNetV3_large_x0_35.yaml
@@ -36,6 +36,7 @@ Optimizer:
   lr:
     name: Cosine
     learning_rate: 1.3
+    warmup_epoch: 5
   regularizer:
     name: 'L2'
     coeff: 0.00002
@@ -49,6 +50,9 @@ DataLoader:
       image_root: ./dataset/ILSVRC2012/
       cls_label_path: ./dataset/ILSVRC2012/train_list.txt
       transform_ops:
+        - DecodeImage:
+            to_rgb: True
+            channel_first: False
         - RandCropImage:
             size: 224
         - RandFlipImage:
@@ -75,6 +79,9 @@ DataLoader:
       image_root: ./dataset/ILSVRC2012/
       cls_label_path: ./dataset/ILSVRC2012/val_list.txt
       transform_ops:
+        - DecodeImage:
+            to_rgb: True
+            channel_first: False
         - ResizeImage:
             resize_short: 256
         - CropImage:
diff --git a/ppcls/configs/ImageNet/MobileNetV3/MobileNetV3_large_x0_5.yaml b/ppcls/configs/ImageNet/MobileNetV3/MobileNetV3_large_x0_5.yaml
index 81fb746831699e1a600acc71d315ffcd5efd6c7e..fb9bc47db0fd43a7a7ee0a086ce4ca6487853484 100644
--- a/ppcls/configs/ImageNet/MobileNetV3/MobileNetV3_large_x0_5.yaml
+++ b/ppcls/configs/ImageNet/MobileNetV3/MobileNetV3_large_x0_5.yaml
@@ -36,6 +36,7 @@ Optimizer:
   lr:
     name: Cosine
     learning_rate: 1.3
+    warmup_epoch: 5
   regularizer:
     name: 'L2'
     coeff: 0.00002
@@ -49,6 +50,9 @@ DataLoader:
       image_root: ./dataset/ILSVRC2012/
       cls_label_path: ./dataset/ILSVRC2012/train_list.txt
       transform_ops:
+        - DecodeImage:
+            to_rgb: True
+            channel_first: False
         - RandCropImage:
             size: 224
         - RandFlipImage:
@@ -75,6 +79,9 @@ DataLoader:
       image_root: ./dataset/ILSVRC2012/
       cls_label_path: ./dataset/ILSVRC2012/val_list.txt
       transform_ops:
+        - DecodeImage:
+            to_rgb: True
+            channel_first: False
         - ResizeImage:
             resize_short: 256
         - CropImage:
diff --git a/ppcls/configs/ImageNet/MobileNetV3/MobileNetV3_large_x0_75.yaml b/ppcls/configs/ImageNet/MobileNetV3/MobileNetV3_large_x0_75.yaml
index 84ea9307facbad3c082dcd113db99be5bf8307fa..590fa35f197caf119769d11b8632bed367f1c315 100644
--- a/ppcls/configs/ImageNet/MobileNetV3/MobileNetV3_large_x0_75.yaml
+++ b/ppcls/configs/ImageNet/MobileNetV3/MobileNetV3_large_x0_75.yaml
@@ -36,6 +36,7 @@ Optimizer:
   lr:
     name: Cosine
     learning_rate: 1.3
+    warmup_epoch: 5
   regularizer:
     name: 'L2'
     coeff: 0.00002
@@ -49,6 +50,9 @@ DataLoader:
       image_root: ./dataset/ILSVRC2012/
       cls_label_path: ./dataset/ILSVRC2012/train_list.txt
       transform_ops:
+        - DecodeImage:
+            to_rgb: True
+            channel_first: False
         - RandCropImage:
             size: 224
         - RandFlipImage:
@@ -75,6 +79,9 @@ DataLoader:
       image_root: ./dataset/ILSVRC2012/
       cls_label_path: ./dataset/ILSVRC2012/val_list.txt
       transform_ops:
+        - DecodeImage:
+            to_rgb: True
+            channel_first: False
         - ResizeImage:
             resize_short: 256
         - CropImage:
diff --git a/ppcls/configs/ImageNet/MobileNetV3/MobileNetV3_large_x1_0.yaml b/ppcls/configs/ImageNet/MobileNetV3/MobileNetV3_large_x1_0.yaml
index c3f9be6926651db0cd7d2c3b42b62d97d885c4f0..15c945e96924fd72254b8d51efb450e912e2e186 100644
--- a/ppcls/configs/ImageNet/MobileNetV3/MobileNetV3_large_x1_0.yaml
+++ b/ppcls/configs/ImageNet/MobileNetV3/MobileNetV3_large_x1_0.yaml
@@ -35,7 +35,8 @@ Optimizer:
   momentum: 0.9
   lr:
     name: Cosine
-    learning_rate: 1.3
+    learning_rate: 0.65
+    warmup_epoch: 5
   regularizer:
     name: 'L2'
     coeff: 0.00002
@@ -65,7 +66,7 @@ DataLoader:
 
     sampler:
       name: DistributedBatchSampler
-      batch_size: 512
+      batch_size: 256
       drop_last: False
       shuffle: True
     loader:
diff --git a/ppcls/configs/ImageNet/MobileNetV3/MobileNetV3_large_x1_25.yaml b/ppcls/configs/ImageNet/MobileNetV3/MobileNetV3_large_x1_25.yaml
index cf20657969bacbb6713cd13c167c4847aa22b892..1def84365d7c8103c2dd0781b7a61df84e43b2f7 100644
--- a/ppcls/configs/ImageNet/MobileNetV3/MobileNetV3_large_x1_25.yaml
+++ b/ppcls/configs/ImageNet/MobileNetV3/MobileNetV3_large_x1_25.yaml
@@ -36,6 +36,7 @@ Optimizer:
   lr:
     name: Cosine
     learning_rate: 1.3
+    warmup_epoch: 5
   regularizer:
     name: 'L2'
     coeff: 0.00004
@@ -49,6 +50,9 @@ DataLoader:
       image_root: ./dataset/ILSVRC2012/
       cls_label_path: ./dataset/ILSVRC2012/train_list.txt
       transform_ops:
+        - DecodeImage:
+            to_rgb: True
+            channel_first: False
         - RandCropImage:
             size: 224
         - RandFlipImage:
@@ -75,6 +79,9 @@ DataLoader:
       image_root: ./dataset/ILSVRC2012/
       cls_label_path: ./dataset/ILSVRC2012/val_list.txt
       transform_ops:
+        - DecodeImage:
+            to_rgb: True
+            channel_first: False
         - ResizeImage:
             resize_short: 256
         - CropImage:
diff --git a/ppcls/configs/ImageNet/MobileNetV3/MobileNetV3_small_x0_35.yaml b/ppcls/configs/ImageNet/MobileNetV3/MobileNetV3_small_x0_35.yaml
index a84356ac207d368f93613723adea260543e11066..0849c5bdea56f5ed108d0d0d6410d2efbbe3cda0 100644
--- a/ppcls/configs/ImageNet/MobileNetV3/MobileNetV3_small_x0_35.yaml
+++ b/ppcls/configs/ImageNet/MobileNetV3/MobileNetV3_small_x0_35.yaml
@@ -36,6 +36,7 @@ Optimizer:
   lr:
     name: Cosine
     learning_rate: 1.3
+    warmup_epoch: 5
   regularizer:
     name: 'L2'
     coeff: 0.00001
@@ -49,6 +50,9 @@ DataLoader:
       image_root: ./dataset/ILSVRC2012/
       cls_label_path: ./dataset/ILSVRC2012/train_list.txt
       transform_ops:
+        - DecodeImage:
+            to_rgb: True
+            channel_first: False
         - RandCropImage:
             size: 224
         - RandFlipImage:
@@ -75,6 +79,9 @@ DataLoader:
       image_root: ./dataset/ILSVRC2012/
       cls_label_path: ./dataset/ILSVRC2012/val_list.txt
       transform_ops:
+        - DecodeImage:
+            to_rgb: True
+            channel_first: False
         - ResizeImage:
             resize_short: 256
         - CropImage:
diff --git a/ppcls/configs/ImageNet/MobileNetV3/MobileNetV3_small_x0_5.yaml b/ppcls/configs/ImageNet/MobileNetV3/MobileNetV3_small_x0_5.yaml
index 31adeb4f62a2f67b5df9b09595b0f93324b0d3bc..e4d71e35ec2b79cc4f80a105b2e4bb3b2263cd9e 100644
--- a/ppcls/configs/ImageNet/MobileNetV3/MobileNetV3_small_x0_5.yaml
+++ b/ppcls/configs/ImageNet/MobileNetV3/MobileNetV3_small_x0_5.yaml
@@ -36,6 +36,7 @@ Optimizer:
   lr:
     name: Cosine
     learning_rate: 1.3
+    warmup_epoch: 5
   regularizer:
     name: 'L2'
     coeff: 0.00001
@@ -49,6 +50,9 @@ DataLoader:
       image_root: ./dataset/ILSVRC2012/
       cls_label_path: ./dataset/ILSVRC2012/train_list.txt
       transform_ops:
+        - DecodeImage:
+            to_rgb: True
+            channel_first: False
         - RandCropImage:
             size: 224
         - RandFlipImage:
@@ -75,6 +79,9 @@ DataLoader:
       image_root: ./dataset/ILSVRC2012/
       cls_label_path: ./dataset/ILSVRC2012/val_list.txt
       transform_ops:
+        - DecodeImage:
+            to_rgb: True
+            channel_first: False
         - ResizeImage:
             resize_short: 256
         - CropImage:
diff --git a/ppcls/configs/ImageNet/MobileNetV3/MobileNetV3_small_x0_75.yaml b/ppcls/configs/ImageNet/MobileNetV3/MobileNetV3_small_x0_75.yaml
index b732e60a0821ea43fa8a342a34fc4ae2b071998b..75c6ff1740560fab1cc54d6a44bd8c5298fd75c6 100644
--- a/ppcls/configs/ImageNet/MobileNetV3/MobileNetV3_small_x0_75.yaml
+++ b/ppcls/configs/ImageNet/MobileNetV3/MobileNetV3_small_x0_75.yaml
@@ -36,6 +36,7 @@ Optimizer:
   lr:
     name: Cosine
     learning_rate: 1.3
+    warmup_epoch: 5
   regularizer:
     name: 'L2'
     coeff: 0.00002
@@ -49,6 +50,9 @@ DataLoader:
       image_root: ./dataset/ILSVRC2012/
       cls_label_path: ./dataset/ILSVRC2012/train_list.txt
       transform_ops:
+        - DecodeImage:
+            to_rgb: True
+            channel_first: False
         - RandCropImage:
             size: 224
         - RandFlipImage:
@@ -75,6 +79,9 @@ DataLoader:
       image_root: ./dataset/ILSVRC2012/
       cls_label_path: ./dataset/ILSVRC2012/val_list.txt
       transform_ops:
+        - DecodeImage:
+            to_rgb: True
+            channel_first: False
         - ResizeImage:
             resize_short: 256
         - CropImage:
diff --git a/ppcls/configs/ImageNet/MobileNetV3/MobileNetV3_small_x1_0.yaml b/ppcls/configs/ImageNet/MobileNetV3/MobileNetV3_small_x1_0.yaml
index 1cdcac100b91499237420aea74b72ea2f07a922d..68749f43c10fadc5bebcba7d49e88e75459eafd4 100644
--- a/ppcls/configs/ImageNet/MobileNetV3/MobileNetV3_small_x1_0.yaml
+++ b/ppcls/configs/ImageNet/MobileNetV3/MobileNetV3_small_x1_0.yaml
@@ -36,6 +36,7 @@ Optimizer:
   lr:
     name: Cosine
     learning_rate: 1.3
+    warmup_epoch: 5
   regularizer:
     name: 'L2'
     coeff: 0.00002
@@ -49,6 +50,9 @@ DataLoader:
       image_root: ./dataset/ILSVRC2012/
       cls_label_path: ./dataset/ILSVRC2012/train_list.txt
       transform_ops:
+        - DecodeImage:
+            to_rgb: True
+            channel_first: False
         - RandCropImage:
             size: 224
         - RandFlipImage:
@@ -75,6 +79,9 @@ DataLoader:
       image_root: ./dataset/ILSVRC2012/
       cls_label_path: ./dataset/ILSVRC2012/val_list.txt
       transform_ops:
+        - DecodeImage:
+            to_rgb: True
+            channel_first: False
         - ResizeImage:
             resize_short: 256
         - CropImage:
diff --git a/ppcls/configs/ImageNet/MobileNetV3/MobileNetV3_small_x1_25.yaml b/ppcls/configs/ImageNet/MobileNetV3/MobileNetV3_small_x1_25.yaml
index fc1ab0b1447412526bf94c030fb4268f67a34f51..fb6109350f2065ca4783684d6a56e7adcc730716 100644
--- a/ppcls/configs/ImageNet/MobileNetV3/MobileNetV3_small_x1_25.yaml
+++ b/ppcls/configs/ImageNet/MobileNetV3/MobileNetV3_small_x1_25.yaml
@@ -36,6 +36,7 @@ Optimizer:
   lr:
     name: Cosine
     learning_rate: 1.3
+    warmup_epoch: 5
   regularizer:
     name: 'L2'
     coeff: 0.00002
@@ -49,6 +50,9 @@ DataLoader:
       image_root: ./dataset/ILSVRC2012/
       cls_label_path: ./dataset/ILSVRC2012/train_list.txt
       transform_ops:
+        - DecodeImage:
+            to_rgb: True
+            channel_first: False
         - RandCropImage:
             size: 224
         - RandFlipImage:
@@ -75,6 +79,9 @@ DataLoader:
       image_root: ./dataset/ILSVRC2012/
       cls_label_path: ./dataset/ILSVRC2012/val_list.txt
       transform_ops:
+        - DecodeImage:
+            to_rgb: True
+            channel_first: False
         - ResizeImage:
             resize_short: 256
         - CropImage:
diff --git a/tools/ema.py b/ppcls/utils/ema.py
similarity index 100%
rename from tools/ema.py
rename to ppcls/utils/ema.py
diff --git a/tools/feature_maps_visualization/download_resnet50_pretrained.sh b/ppcls/utils/feature_maps_visualization/download_resnet50_pretrained.sh
similarity index 100%
rename from tools/feature_maps_visualization/download_resnet50_pretrained.sh
rename to ppcls/utils/feature_maps_visualization/download_resnet50_pretrained.sh
diff --git a/tools/feature_maps_visualization/fm_vis.py b/ppcls/utils/feature_maps_visualization/fm_vis.py
similarity index 100%
rename from tools/feature_maps_visualization/fm_vis.py
rename to ppcls/utils/feature_maps_visualization/fm_vis.py
diff --git a/tools/feature_maps_visualization/resnet.py b/ppcls/utils/feature_maps_visualization/resnet.py
similarity index 100%
rename from tools/feature_maps_visualization/resnet.py
rename to ppcls/utils/feature_maps_visualization/resnet.py
diff --git a/tools/feature_maps_visualization/utils.py b/ppcls/utils/feature_maps_visualization/utils.py
similarity index 100%
rename from tools/feature_maps_visualization/utils.py
rename to ppcls/utils/feature_maps_visualization/utils.py
diff --git a/tools/static/dali.py b/ppcls/utils/static/dali.py
similarity index 100%
rename from tools/static/dali.py
rename to ppcls/utils/static/dali.py
diff --git a/tools/static/program.py b/ppcls/utils/static/program.py
similarity index 100%
rename from tools/static/program.py
rename to ppcls/utils/static/program.py
diff --git a/tools/static/run_dali.sh b/ppcls/utils/static/run_dali.sh
similarity index 100%
rename from tools/static/run_dali.sh
rename to ppcls/utils/static/run_dali.sh
diff --git a/tools/static/save_load.py b/ppcls/utils/static/save_load.py
similarity index 100%
rename from tools/static/save_load.py
rename to ppcls/utils/static/save_load.py
diff --git a/tools/static/train.py b/ppcls/utils/static/train.py
similarity index 100%
rename from tools/static/train.py
rename to ppcls/utils/static/train.py
diff --git a/tools/benchmark/benchmark.sh b/tools/benchmark/benchmark.sh
deleted file mode 100644
index fc50a6eda148656c7dd0a46ac12d014f79873a4e..0000000000000000000000000000000000000000
--- a/tools/benchmark/benchmark.sh
+++ /dev/null
@@ -1,3 +0,0 @@
-python3.7 -m paddle.distributed.launch  \
-	--selected_gpus="0" \
-	tools/benchmark/benchmark_acc.py
diff --git a/tools/benchmark/benchmark_acc.py b/tools/benchmark/benchmark_acc.py
deleted file mode 100644
index aa471713a11a91b9e512ea6593d250e16ef2dcad..0000000000000000000000000000000000000000
--- a/tools/benchmark/benchmark_acc.py
+++ /dev/null
@@ -1,123 +0,0 @@
-# copyright (c) 2020 PaddlePaddle Authors. All Rights Reserve.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#    http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-
-import argparse
-import os
-import sys
-__dir__ = os.path.dirname(os.path.abspath(__file__))
-sys.path.append(__dir__)
-sys.path.append(os.path.abspath(os.path.join(__dir__, '..')))
-sys.path.append(os.path.abspath(os.path.join(__dir__, '../..')))
-
-import paddle
-
-from multiprocessing import Manager
-import tools.eval as eval
-from ppcls.utils.model_zoo import _download, _decompress
-from ppcls.utils import logger
-
-
-def parse_args():
-    def str2bool(v):
-        return v.lower() in ("true", "t", "1")
-
-    parser = argparse.ArgumentParser()
-    parser.add_argument(
-        "-b",
-        "--benchmark_file_list",
-        type=str,
-        default="./tools/benchmark/benchmark_list.txt")
-    parser.add_argument(
-        "-p", "--pretrained_dir", type=str, default="./pretrained/")
-
-    return parser.parse_args()
-
-
-def parse_model_infos(benchmark_file_list):
-    model_infos = []
-    with open(benchmark_file_list, "r") as fin:
-        lines = fin.readlines()
-        for idx, line in enumerate(lines):
-            strs = line.strip("\n").strip("\r").split(" ")
-            if len(strs) != 4:
-                logger.info(
-                    "line {0}(info: {1}) format wrong, it should be splited into 4 parts, but got {2}".
-                    format(idx, line, len(strs)))
-            model_infos.append({
-                "top1_acc": float(strs[0]),
-                "model_name": strs[1],
-                "config_path": strs[2],
-                "pretrain_path": strs[3],
-            })
-    return model_infos
-
-
-def main(args):
-    benchmark_file_list = args.benchmark_file_list
-    model_infos = parse_model_infos(benchmark_file_list)
-    right_models = []
-    wrong_models = []
-
-    for model_info in model_infos:
-        try:
-            pretrained_url = model_info["pretrain_path"]
-            fname = _download(pretrained_url, args.pretrained_dir)
-            pretrained_path = os.path.splitext(fname)[0]
-            if pretrained_url.endswith("tar"):
-                path = _decompress(fname)
-                pretrained_path = os.path.join(
-                    os.path.dirname(pretrained_path), path)
-
-            args.config = model_info["config_path"]
-            args.override = [
-                "pretrained_model={}".format(pretrained_path),
-                "VALID.batch_size=256",
-                "VALID.num_workers=16",
-                "load_static_weights=True",
-                "print_interval=100",
-            ]
-
-            manager = Manager()
-            return_dict = manager.dict()
-
-            # A hack method to avoid name conflict.
-            # Multi-process maybe a better method here.
-            # More details can be seen in branch 2.0-beta.
-            # TODO: fluid needs to be removed in the future.
-            with paddle.utils.unique_name.guard():
-                eval.main(args, return_dict)
-
-            top1_acc = return_dict.get("top1_acc", 0.0)
-        except Exception as e:
-            logger.error(e)
-            top1_acc = 0.0
-        diff = abs(top1_acc - model_info["top1_acc"])
-        if diff > 0.001:
-            err_info = "[{}]Top-1 acc diff should be <= 0.001 but got diff {}, gt acc: {}, eval acc: {}".format(
-                model_info["model_name"], diff, model_info["top1_acc"],
-                top1_acc)
-            logger.warning(err_info)
-            wrong_models.append(model_info["model_name"])
-        else:
-            right_models.append(model_info["model_name"])
-
-    logger.info("[number of right models: {}, they are: {}".format(
-        len(right_models), right_models))
-    logger.info("[number of wrong models: {}, they are: {}".format(
-        len(wrong_models), wrong_models))
-
-
-if __name__ == '__main__':
-    args = parse_args()
-    main(args)
diff --git a/tools/benchmark/benchmark_list.txt b/tools/benchmark/benchmark_list.txt
deleted file mode 100644
index 66ad980c75f86c3c2017b263466e69da52f1c328..0000000000000000000000000000000000000000
--- a/tools/benchmark/benchmark_list.txt
+++ /dev/null
@@ -1,29 +0,0 @@
-0.7098 ResNet18 configs/ResNet/ResNet18.yaml https://paddle-imagenet-models-name.bj.bcebos.com/ResNet18_pretrained.tar
-0.7650 ResNet50 configs/ResNet/ResNet50.yaml https://paddle-imagenet-models-name.bj.bcebos.com/ResNet50_pretrained.tar
-0.7226 ResNet18_vd configs/ResNet/ResNet18_vd.yaml https://paddle-imagenet-models-name.bj.bcebos.com/ResNet18_vd_pretrained.tar
-0.7912 ResNet50_vd configs/ResNet/ResNet50_vd.yaml https://paddle-imagenet-models-name.bj.bcebos.com/ResNet50_vd_pretrained.tar
-0.7099 MobileNetV1 configs/MobileNetV1/MobileNetV1.yaml https://paddle-imagenet-models-name.bj.bcebos.com/MobileNetV1_pretrained.tar
-0.7215 MobileNetV2 configs/MobileNetV2/MobileNetV2.yaml https://paddle-imagenet-models-name.bj.bcebos.com/MobileNetV2_pretrained.tar
-0.7532 MobileNetV3_large_x1_0 configs/MobileNetV3/MobileNetV3_large_x1_0.yaml https://paddle-imagenet-models-name.bj.bcebos.com/MobileNetV3_large_x1_0_pretrained.tar
-0.6880 ShuffleNetV2 configs/ShuffleNet/ShuffleNetV2.yaml https://paddle-imagenet-models-name.bj.bcebos.com/ShuffleNetV2_pretrained.tar
-0.7933 Res2Net50_26w_4s configs/Res2Net/Res2Net50_26w_4s.yaml https://paddle-imagenet-models-name.bj.bcebos.com/Res2Net50_26w_4s_pretrained.tar
-0.7775 ResNeXt50_32x4d configs/ResNeXt/ResNeXt50_32x4d.yaml https://paddle-imagenet-models-name.bj.bcebos.com/ResNeXt50_32x4d_pretrained.tar
-0.7333 SE_ResNet18_vd configs/SENet/SE_ResNet18_vd.yaml https://paddle-imagenet-models-name.bj.bcebos.com/SE_ResNet18_vd_pretrained.tar
-0.7952 SE_ResNet50_vd configs/SENet/SE_ResNet50_vd.yaml https://paddle-imagenet-models-name.bj.bcebos.com/SE_ResNet50_vd_pretrained.tar
-0.8024 SE_ResNeXt50_vd_32x4d configs/SENet/SE_ResNeXt50_vd_32x4d.yaml https://paddle-imagenet-models-name.bj.bcebos.com/SE_ResNeXt50_vd_32x4d_pretrained.tar
-0.7566 DenseNet121 configs/DenseNet/DenseNet121.yaml https://paddle-imagenet-models-name.bj.bcebos.com/DenseNet121_pretrained.tar
-0.7678 DPN68 configs/DPN/DPN68.yaml https://paddle-imagenet-models-name.bj.bcebos.com/DPN68_pretrained.tar
-0.7692 HRNet_W18_C configs/HRNet/HRNet_W18_C.yaml https://paddle-imagenet-models-name.bj.bcebos.com/HRNet_W18_C_pretrained.tar
-0.7070 GoogLeNet configs/Inception/GoogLeNet.yaml https://paddle-imagenet-models-name.bj.bcebos.com/GoogLeNet_pretrained.tar
-0.7930 Xception41 configs/Xception/Xception41.yaml https://paddle-imagenet-models-name.bj.bcebos.com/Xception41_pretrained.tar
-0.7955 Xception41_deeplab configs/Xception/Xception41_deeplab.yaml https://paddle-imagenet-models-name.bj.bcebos.com/Xception41_deeplab_pretrained.tar
-0.8077 InceptionV4 configs/Inception/InceptionV4.yaml https://paddle-imagenet-models-name.bj.bcebos.com/InceptionV4_pretrained.tar
-0.8255 ResNeXt101_32x8d_wsl configs/ResNeXt101_wsl/ResNeXt101_32x8d_wsl.yaml https://paddle-imagenet-models-name.bj.bcebos.com/ResNeXt101_32x8d_wsl_pretrained.tar
-0.8035 ResNeSt50_fast_1s1x64d configs/ResNeSt/ResNeSt50_fast_1s1x64d.yaml https://paddle-imagenet-models-name.bj.bcebos.com/ResNeSt50_fast_1s1x64d_pretrained.pdparams
-0.8083 ResNeSt50 configs/ResNeSt/ResNeSt50.yaml https://paddle-imagenet-models-name.bj.bcebos.com/ResNeSt50_pretrained.pdparams
-0.785 RegNetX_4GF configs/RegNet/RegNetX_4GF.yaml https://paddle-imagenet-models-name.bj.bcebos.com/RegNetX_4GF_pretrained.pdparams
-0.7402 GhostNet_x1_0 configs/GhostNet/GhostNet_x1_0.yaml https://paddle-imagenet-models-name.bj.bcebos.com/GhostNet_x1_0_pretrained.pdparams
-0.567 AlexNet configs/AlexNet/AlexNet.yaml https://paddle-imagenet-models-name.bj.bcebos.com/AlexNet_pretrained.tar
-0.596 SqueezeNet1_0 configs/SqueezeNet/SqueezeNet1_0.yaml https://paddle-imagenet-models-name.bj.bcebos.com/SqueezeNet1_0_pretrained.tar
-0.693 VGG11 configs/VGG/VGG11.yaml https://paddle-imagenet-models-name.bj.bcebos.com/VGG11_pretrained.tar
-0.780 DarkNet53 configs/DarkNet/DarkNet53.yaml https://paddle-imagenet-models-name.bj.bcebos.com/DarkNet53_ImageNet1k_pretrained.tar
diff --git a/tools/benchmark/run_multi_nodes.sh b/tools/benchmark/run_multi_nodes.sh
deleted file mode 100755
index 4a111999843a3ac64e11ba88cef20e768ad8653a..0000000000000000000000000000000000000000
--- a/tools/benchmark/run_multi_nodes.sh
+++ /dev/null
@@ -1,14 +0,0 @@
-#!/usr/bin/env bash
-
-# IP Addresses of all nodes, modify it corresponding to your own environment
-ALL_NODE_IPS="10.10.10.1,10.10.10.2"
-# IP Address of the current node, modify it corresponding to your own environment
-CUR_NODE_IPS="10.10.10.1"
-
-python -m paddle.distributed.launch \
-    --cluster_node_ips=$ALL_NODE_IPS \
-    --node_ip=$CUR_NODE_IPS \
-    --gpus="0,1,2,3" \
-    tools/train.py \
-        -c ./configs/ResNet/ResNet50.yaml \
-        -o print_interval=10
diff --git a/tools/benchmark/run_single_node.sh b/tools/benchmark/run_single_node.sh
deleted file mode 100755
index 5ec44455700d821951da9ff5e51d50fd8e621b1d..0000000000000000000000000000000000000000
--- a/tools/benchmark/run_single_node.sh
+++ /dev/null
@@ -1,7 +0,0 @@
-#!/usr/bin/env bash
-
-python -m paddle.distributed.launch \
-    --gpus="0,1,2,3" \
-    tools/train.py \
-        -c ./configs/ResNet/ResNet50.yaml \
-        -o print_interval=10
diff --git a/tools/download.py b/tools/download.py
deleted file mode 100644
index 7053634c54e875529fa7a1a01d325641405fa764..0000000000000000000000000000000000000000
--- a/tools/download.py
+++ /dev/null
@@ -1,50 +0,0 @@
-# Copyright (c) 2020 PaddlePaddle Authors. All Rights Reserve.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#    http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-
-import argparse
-import os
-import sys
-__dir__ = os.path.dirname(os.path.abspath(__file__))
-sys.path.append(__dir__)
-sys.path.append(os.path.abspath(os.path.join(__dir__, '..')))
-
-from ppcls import model_zoo
-
-
-def parse_args():
-    def str2bool(v):
-        return v.lower() in ("true", "t", "1")
-
-    parser = argparse.ArgumentParser()
-    parser.add_argument('-a', '--architecture', type=str, default='ResNet50')
-    parser.add_argument('-p', '--path', type=str, default='./pretrained/')
-    parser.add_argument('--postfix', type=str, default="pdparams")
-    parser.add_argument('-d', '--decompress', type=str2bool, default=False)
-    parser.add_argument('-l', '--list', type=str2bool, default=False)
-
-    args = parser.parse_args()
-    return args
-
-
-def main():
-    args = parse_args()
-    if args.list:
-        model_zoo.list_models()
-    else:
-        model_zoo.get(args.architecture, args.path, args.decompress,
-                      args.postfix)
-
-
-if __name__ == '__main__':
-    main()
diff --git a/tools/eval.sh b/tools/eval.sh
index f67ba9c95b6c5642fa70a17c2987ba20d7672051..c13ea6d032408afd858de45ccbec7cd45cd969f8 100644
--- a/tools/eval.sh
+++ b/tools/eval.sh
@@ -1,6 +1,7 @@
-python3.7 -m paddle.distributed.launch \
-    --gpus="0,1,2,3" \
-    tools/eval.py \
-        -c ./configs/ResNet/ResNet50.yaml \
-        -o pretrained_model="./ResNet50_pretrained" \
-        -o use_gpu=True
+#!/usr/bin/env bash
+
+# for single card eval
+# python3.7 tools/eval.py -c ./ppcls/configs/ImageNet/ResNet/ResNet50.yaml
+
+# for multi-cards eval
+python3.7 -m paddle.distributed.launch --gpus="0,1,2,3" tools/eval.py -c ./ppcls/configs/ImageNet/ResNet/ResNet50.yaml
diff --git a/tools/export_serving_model.py b/tools/export_serving_model.py
deleted file mode 100644
index 6bf7cbe9b8bf2a0db343bf4e9fbaf59152601494..0000000000000000000000000000000000000000
--- a/tools/export_serving_model.py
+++ /dev/null
@@ -1,76 +0,0 @@
-# Copyright (c) 2020 PaddlePaddle Authors. All Rights Reserved.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-
-import argparse
-import os
-from ppcls.arch import backbone
-
-import paddle.fluid as fluid
-import paddle_serving_client.io as serving_io
-
-
-def parse_args():
-    parser = argparse.ArgumentParser()
-    parser.add_argument("-m", "--model", type=str)
-    parser.add_argument("-p", "--pretrained_model", type=str)
-    parser.add_argument("-o", "--output_path", type=str, default="")
-    parser.add_argument("--class_dim", type=int, default=1000)
-    parser.add_argument("--img_size", type=int, default=224)
-
-    return parser.parse_args()
-
-
-def create_input(img_size=224):
-    image = fluid.data(
-        name='image', shape=[None, 3, img_size, img_size], dtype='float32')
-    return image
-
-
-def create_model(args, model, input, class_dim=1000):
-    if args.model == "GoogLeNet":
-        out, _, _ = model.net(input=input, class_dim=class_dim)
-    else:
-        out = model.net(input=input, class_dim=class_dim)
-        out = fluid.layers.softmax(out)
-    return out
-
-
-def main():
-    args = parse_args()
-
-    model = backbone.__dict__[args.model]()
-
-    place = fluid.CPUPlace()
-    exe = fluid.Executor(place)
-
-    startup_prog = fluid.Program()
-    infer_prog = fluid.Program()
-
-    with fluid.program_guard(infer_prog, startup_prog):
-        with fluid.unique_name.guard():
-            image = create_input(args.img_size)
-            out = create_model(args, model, image, class_dim=args.class_dim)
-
-    infer_prog = infer_prog.clone(for_test=True)
-    fluid.load(
-        program=infer_prog, model_path=args.pretrained_model, executor=exe)
-
-    model_path = os.path.join(args.output_path, "ppcls_model")
-    conf_path = os.path.join(args.output_path, "ppcls_client_conf")
-    serving_io.save_model(model_path, conf_path, {"image": image},
-                          {"prediction": out}, infer_prog)
-
-
-if __name__ == "__main__":
-    main()
diff --git a/tools/infer/infer.py b/tools/infer/infer.py
deleted file mode 100644
index 241cb3c3a06356d1518752629ec765f8de531f3d..0000000000000000000000000000000000000000
--- a/tools/infer/infer.py
+++ /dev/null
@@ -1,94 +0,0 @@
-# Copyright (c) 2020 PaddlePaddle Authors. All Rights Reserved.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-
-import numpy as np
-import cv2
-import os
-import sys
-
-import paddle
-import paddle.nn.functional as F
-
-__dir__ = os.path.dirname(os.path.abspath(__file__))
-sys.path.append(__dir__)
-sys.path.append(os.path.abspath(os.path.join(__dir__, '../..')))
-
-from ppcls.utils.save_load import load_dygraph_pretrain
-from ppcls.utils import logger
-from ppcls.arch import backbone
-from utils import parse_args, get_image_list, preprocess, postprocess, save_prelabel_results
-
-
-def main():
-    args = parse_args()
-    # assign the place
-    place = paddle.set_device('gpu' if args.use_gpu else 'cpu')
-    multilabel = True if args.multilabel else False
-
-    net = backbone.__dict__[args.model](class_dim=args.class_num)
-    load_dygraph_pretrain(net, args.pretrained_model, args.load_static_weights)
-    image_list = get_image_list(args.image_file)
-    batch_input_list = []
-    img_path_list = []
-    cnt = 0
-    for idx, img_path in enumerate(image_list):
-        img = cv2.imread(img_path)
-        if img is None:
-            logger.warning(
-                "Image file failed to read and has been skipped. The path: {}".
-                format(img_path))
-            continue
-        else:
-            img = img[:, :, ::-1]
-            data = preprocess(img, args)
-            batch_input_list.append(data)
-            img_path_list.append(img_path)
-            cnt += 1
-
-        if cnt % args.batch_size == 0 or (idx + 1) == len(image_list):
-            batch_tensor = paddle.to_tensor(batch_input_list)
-            net.eval()
-            batch_outputs = net(batch_tensor)
-            if args.model == "GoogLeNet":
-                batch_outputs = batch_outputs[0]
-            if multilabel:
-                batch_outputs = F.sigmoid(batch_outputs)
-            else:
-                batch_outputs = F.softmax(batch_outputs)
-            batch_outputs = batch_outputs.numpy()
-            batch_result_list = postprocess(batch_outputs, args.top_k, multilabel=multilabel)
-
-            for number, result_dict in enumerate(batch_result_list):
-                filename = img_path_list[number].split("/")[-1]
-                clas_ids = result_dict["clas_ids"]
-                if multilabel:
-                    print("File:{}, multilabel result: ".format(filename))
-                    for id, score in zip(clas_ids, result_dict["scores"]):
-                        print("\tclass id: {}, probability: {:.2f}".format(id, score))
-                else:
-                    scores_str = "[{}]".format(", ".join("{:.2f}".format(
-                        r) for r in result_dict["scores"]))
-                    print("File:{}, Top-{} result: class id(s): {}, score(s): {}".
-                        format(filename, args.top_k, clas_ids, scores_str))
-
-                if args.pre_label_image:
-                    save_prelabel_results(clas_ids[0], img_path_list[number],
-                                          args.pre_label_out_idr)
-
-            batch_input_list = []
-            img_path_list = []
-
-
-if __name__ == "__main__":
-    main()
diff --git a/tools/program.py b/tools/program.py
deleted file mode 100644
index 731aa044479350314d5c1e3d4d6da02c6f10ffd1..0000000000000000000000000000000000000000
--- a/tools/program.py
+++ /dev/null
@@ -1,446 +0,0 @@
-# copyright (c) 2020 PaddlePaddle Authors. All Rights Reserve.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#    http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-
-from __future__ import absolute_import
-from __future__ import division
-from __future__ import print_function
-
-import time
-import datetime
-from collections import OrderedDict
-
-import paddle
-from paddle import to_tensor
-import paddle.nn.functional as F
-
-from ppcls.optimizer import LearningRateBuilder
-from ppcls.optimizer import OptimizerBuilder
-from ppcls.arch import backbone
-from ppcls.arch.loss import MultiLabelLoss
-from ppcls.arch.loss import CELoss
-from ppcls.arch.loss import MixCELoss
-from ppcls.arch.loss import JSDivLoss
-from ppcls.arch.loss import GoogLeNetLoss
-from ppcls.utils.misc import AverageMeter
-from ppcls.utils import logger
-from ppcls.utils import profiler
-from ppcls.utils import multi_hot_encode
-from ppcls.utils import hamming_distance
-from ppcls.utils import accuracy_score
-
-
-def create_model(architecture, classes_num):
-    """
-    Create a model
-
-    Args:
-        architecture(dict): architecture information,
-            name(such as ResNet50) is needed
-        image(variable): model input variable
-        classes_num(int): num of classes
-
-    Returns:
-        out(variable): model output variable
-    """
-    name = architecture["name"]
-    params = architecture.get("params", {})
-    return backbone.__dict__[name](class_dim=classes_num, **params)
-
-
-def create_loss(feeds,
-                out,
-                architecture,
-                classes_num=1000,
-                epsilon=None,
-                use_mix=False,
-                use_distillation=False,
-                multilabel=False):
-    """
-    Create a loss for optimization, such as:
-        1. CrossEnotry loss
-        2. CrossEnotry loss with label smoothing
-        3. CrossEnotry loss with mix(mixup, cutmix, fmix)
-        4. CrossEnotry loss with label smoothing and (mixup, cutmix, fmix)
-        5. GoogLeNet loss
-
-    Args:
-        out(variable): model output variable
-        feeds(dict): dict of model input variables
-        architecture(dict): architecture information,
-            name(such as ResNet50) is needed
-        classes_num(int): num of classes
-        epsilon(float): parameter for label smoothing, 0.0 <= epsilon <= 1.0
-        use_mix(bool): whether to use mix(include mixup, cutmix, fmix)
-
-    Returns:
-        loss(variable): loss variable
-    """
-    if architecture["name"] == "GoogLeNet":
-        assert len(out) == 3, "GoogLeNet should have 3 outputs"
-        loss = GoogLeNetLoss(class_dim=classes_num, epsilon=epsilon)
-        return loss(out[0], out[1], out[2], feeds["label"])
-
-    if use_distillation:
-        assert len(out) == 2, ("distillation output length must be 2, "
-                               "but got {}".format(len(out)))
-        loss = JSDivLoss(class_dim=classes_num, epsilon=epsilon)
-        return loss(out[1], out[0])
-
-    if use_mix:
-        loss = MixCELoss(class_dim=classes_num, epsilon=epsilon)
-        feed_y_a = feeds['y_a']
-        feed_y_b = feeds['y_b']
-        feed_lam = feeds['lam']
-        return loss(out, feed_y_a, feed_y_b, feed_lam)
-    else:
-        if not multilabel:
-            loss = CELoss(class_dim=classes_num, epsilon=epsilon)
-        else:
-            loss = MultiLabelLoss(class_dim=classes_num, epsilon=epsilon)
-        return loss(out, feeds["label"])
-
-
-def create_metric(out,
-                  label,
-                  architecture,
-                  topk=5,
-                  classes_num=1000,
-                  use_distillation=False,
-                  multilabel=False,
-                  mode="train",
-                  use_xpu=False):
-    """
-    Create measures of model accuracy, such as top1 and top5
-
-    Args:
-        out(variable): model output variable
-        feeds(dict): dict of model input variables(included label)
-        topk(int): usually top5
-        classes_num(int): num of classes
-        use_distillation(bool): whether to use distillation training
-        mode(str): mode, train/valid
-
-    Returns:
-        fetchs(dict): dict of measures
-    """
-    if architecture["name"] == "GoogLeNet":
-        assert len(out) == 3, "GoogLeNet should have 3 outputs"
-        out = out[0]
-    else:
-        # just need student label to get metrics
-        if use_distillation:
-            out = out[1]
-    softmax_out = F.softmax(out)
-
-    fetch_list = []
-    metric_names = []
-    if not multilabel:
-        softmax_out = F.softmax(out)
-
-        # set top1 to fetchs
-        top1 = paddle.metric.accuracy(softmax_out, label=label, k=1)
-        # set topk to fetchs
-        k = min(topk, classes_num)
-        topk = paddle.metric.accuracy(softmax_out, label=label, k=k)
-
-        metric_names.append("top1")
-        metric_names.append("top{}".format(k))
-
-        fetch_list.append(top1)
-        fetch_list.append(topk)
-    else:
-        out = F.sigmoid(out)
-        preds = multi_hot_encode(out.numpy())
-        targets = label.numpy()
-        ham_dist = to_tensor(hamming_distance(preds, targets))
-        accuracy = to_tensor(accuracy_score(preds, targets, base="label"))
-
-        ham_dist_name = "hamming_distance"
-        accuracy_name = "multilabel_accuracy"
-        metric_names.append(ham_dist_name)
-        metric_names.append(accuracy_name)
-
-        fetch_list.append(accuracy)
-        fetch_list.append(ham_dist)
-
-    # multi cards' eval
-    if not use_xpu:
-        if mode != "train" and paddle.distributed.get_world_size() > 1:
-            for idx, fetch in enumerate(fetch_list):
-                fetch_list[idx] = paddle.distributed.all_reduce(
-                    fetch, op=paddle.distributed.ReduceOp.
-                    SUM) / paddle.distributed.get_world_size()
-
-    fetchs = OrderedDict()
-    for idx, name in enumerate(metric_names):
-        fetchs[name] = fetch_list[idx]
-    return fetchs
-
-
-def create_fetchs(feeds, net, config, mode="train"):
-    """
-    Create fetchs as model outputs(included loss and measures),
-    will call create_loss and create_metric(if use_mix).
-
-    Args:
-        out(variable): model output variable
-        feeds(dict): dict of model input variables.
-            If use mix_up, it will not include label.
-        architecture(dict): architecture information,
-            name(such as ResNet50) is needed
-        topk(int): usually top5
-        classes_num(int): num of classes
-        epsilon(float): parameter for label smoothing, 0.0 <= epsilon <= 1.0
-        use_mix(bool): whether to use mix(include mixup, cutmix, fmix)
-
-    Returns:
-        fetchs(dict): dict of model outputs(included loss and measures)
-    """
-    architecture = config.ARCHITECTURE
-    topk = config.topk
-    classes_num = config.classes_num
-    epsilon = config.get('ls_epsilon')
-    use_mix = config.get('use_mix') and mode == 'train'
-    use_distillation = config.get('use_distillation')
-    multilabel = config.get('multilabel', False)
-    use_xpu = config.get("use_xpu", False)
-
-    out = net(feeds["image"])
-
-    fetchs = OrderedDict()
-    fetchs['loss'] = create_loss(feeds, out, architecture, classes_num,
-                                 epsilon, use_mix, use_distillation,
-                                 multilabel)
-    if not use_mix:
-        metric = create_metric(
-            out,
-            feeds["label"],
-            architecture,
-            topk,
-            classes_num,
-            use_distillation,
-            multilabel=multilabel,
-            mode=mode,
-            use_xpu=use_xpu)
-        fetchs.update(metric)
-
-    return fetchs
-
-
-def create_optimizer(config, parameter_list=None):
-    """
-    Create an optimizer using config, usually including
-    learning rate and regularization.
-
-    Args:
-        config(dict):  such as
-        {
-            'LEARNING_RATE':
-                {'function': 'Cosine',
-                 'params': {'lr': 0.1}
-                },
-            'OPTIMIZER':
-                {'function': 'Momentum',
-                 'params':{'momentum': 0.9},
-                 'regularizer':
-                    {'function': 'L2', 'factor': 0.0001}
-                }
-        }
-
-    Returns:
-        an optimizer instance
-    """
-    # create learning_rate instance
-    lr_config = config['LEARNING_RATE']
-    lr_config['params'].update({
-        'epochs': config['epochs'],
-        'step_each_epoch':
-        config['total_images'] // config['TRAIN']['batch_size'],
-    })
-    lr = LearningRateBuilder(**lr_config)()
-
-    # create optimizer instance
-    opt_config = config['OPTIMIZER']
-    opt = OptimizerBuilder(**opt_config)
-    return opt(lr, parameter_list), lr
-
-
-def create_feeds(batch, use_mix, num_classes, multilabel=False):
-    image = batch[0]
-    if use_mix:
-        y_a = to_tensor(batch[1].numpy().astype("int64").reshape(-1, 1))
-        y_b = to_tensor(batch[2].numpy().astype("int64").reshape(-1, 1))
-        lam = to_tensor(batch[3].numpy().astype("float32").reshape(-1, 1))
-        feeds = {"image": image, "y_a": y_a, "y_b": y_b, "lam": lam}
-    else:
-        if not multilabel:
-            label = to_tensor(batch[1].numpy().astype("int64").reshape(-1, 1))
-        else:
-            label = to_tensor(batch[1].numpy().astype('float32').reshape(
-                -1, num_classes))
-        feeds = {"image": image, "label": label}
-    return feeds
-
-
-total_step = 0
-
-
-def run(dataloader,
-        config,
-        net,
-        optimizer=None,
-        lr_scheduler=None,
-        epoch=0,
-        mode='train',
-        vdl_writer=None,
-        profiler_options=None):
-    """
-    Feed data to the model and fetch the measures and loss
-
-    Args:
-        dataloader(paddle dataloader):
-        exe():
-        program():
-        fetchs(dict): dict of measures and the loss
-        epoch(int): epoch of training or validation
-        model(str): log only
-
-    Returns:
-    """
-    print_interval = config.get("print_interval", 10)
-    use_mix = config.get("use_mix", False) and mode == "train"
-    multilabel = config.get("multilabel", False)
-    classes_num = config.get("classes_num")
-
-    metric_list = [
-        ("loss", AverageMeter(
-            'loss', '7.5f', postfix=",")),
-        ("lr", AverageMeter(
-            'lr', 'f', postfix=",", need_avg=False)),
-        ("batch_time", AverageMeter(
-            'batch_cost', '.5f', postfix=" s,")),
-        ("reader_time", AverageMeter(
-            'reader_cost', '.5f', postfix=" s,")),
-    ]
-    if not use_mix:
-        if not multilabel:
-            topk_name = 'top{}'.format(config.topk)
-            metric_list.insert(
-                0, (topk_name, AverageMeter(
-                    topk_name, '.5f', postfix=",")))
-            metric_list.insert(
-                0, ("top1", AverageMeter(
-                    "top1", '.5f', postfix=",")))
-        else:
-            metric_list.insert(
-                0, ("multilabel_accuracy", AverageMeter(
-                    "multilabel_accuracy", '.5f', postfix=",")))
-            metric_list.insert(
-                0, ("hamming_distance", AverageMeter(
-                    "hamming_distance", '.5f', postfix=",")))
-
-    metric_list = OrderedDict(metric_list)
-
-    tic = time.time()
-    for idx, batch in enumerate(dataloader()):
-        # avoid statistics from warmup time
-        if idx == 10:
-            metric_list["batch_time"].reset()
-            metric_list["reader_time"].reset()
-
-        profiler.add_profiler_step(profiler_options)
-
-        metric_list['reader_time'].update(time.time() - tic)
-        batch_size = len(batch[0])
-        feeds = create_feeds(batch, use_mix, classes_num, multilabel)
-        fetchs = create_fetchs(feeds, net, config, mode)
-        if mode == 'train':
-            avg_loss = fetchs['loss']
-            avg_loss.backward()
-
-            optimizer.step()
-            optimizer.clear_grad()
-            lr_value = optimizer._global_learning_rate().numpy()[0]
-            metric_list['lr'].update(lr_value, batch_size)
-
-            if lr_scheduler is not None:
-                if lr_scheduler.update_specified:
-                    curr_global_counter = lr_scheduler.step_each_epoch * epoch + idx
-                    update = max(
-                        0, curr_global_counter - lr_scheduler.update_start_step
-                    ) % lr_scheduler.update_step_interval == 0
-                    if update:
-                        lr_scheduler.step()
-                else:
-                    lr_scheduler.step()
-
-        for name, fetch in fetchs.items():
-            metric_list[name].update(fetch.numpy()[0], batch_size)
-        metric_list["batch_time"].update(time.time() - tic)
-        tic = time.time()
-
-        if vdl_writer and mode == "train":
-            global total_step
-            logger.scaler(
-                name="lr", value=lr_value, step=total_step, writer=vdl_writer)
-            for name, fetch in fetchs.items():
-                logger.scaler(
-                    name="train_{}".format(name),
-                    value=fetch.numpy()[0],
-                    step=total_step,
-                    writer=vdl_writer)
-            total_step += 1
-
-        fetchs_str = ' '.join([
-            str(metric_list[key].mean)
-            if "time" in key else str(metric_list[key].value)
-            for key in metric_list
-        ])
-
-        if idx % print_interval == 0:
-            ips_info = "ips: {:.5f} images/sec".format(
-                batch_size / metric_list["batch_time"].avg)
-
-            if mode == "train":
-                epoch_str = "epoch:{:<3d}".format(epoch)
-                step_str = "{:s} step:{:<4d}".format(mode, idx)
-                eta_sec = ((config["epochs"] - epoch) * len(dataloader) - idx
-                           ) * metric_list["batch_time"].avg
-                eta_str = "eta: {:s}".format(
-                    str(datetime.timedelta(seconds=int(eta_sec))))
-                logger.info("{:s}, {:s}, {:s} {:s}, {:s}".format(
-                    epoch_str, step_str, fetchs_str, ips_info, eta_str))
-            else:
-                logger.info("{:s} step:{:<4d}, {:s} {:s}".format(
-                    mode, idx, fetchs_str, ips_info))
-
-    end_str = ' '.join([str(m.mean) for m in metric_list.values()] +
-                       [metric_list['batch_time'].total])
-    ips_info = "ips: {:.5f} images/sec.".format(
-        batch_size * metric_list["batch_time"].count /
-        metric_list["batch_time"].sum)
-
-    if mode == 'eval':
-        logger.info("END {:s} {:s} {:s}".format(mode, end_str, ips_info))
-    else:
-        end_epoch_str = "END epoch:{:<3d}".format(epoch)
-        logger.info("{:s} {:s} {:s} {:s}".format(end_epoch_str, mode, end_str,
-                                                 ips_info))
-
-    # return top1_acc in order to save the best model
-    if mode == 'valid':
-        if multilabel:
-            return metric_list['multilabel_accuracy'].avg
-        else:
-            return metric_list['top1'].avg
diff --git a/tools/run.sh b/tools/run.sh
deleted file mode 100755
index 345b62758f447f9084442f4cdd681dd0bbdd8e74..0000000000000000000000000000000000000000
--- a/tools/run.sh
+++ /dev/null
@@ -1,7 +0,0 @@
-#!/usr/bin/env bash
-
-python3.7 -m paddle.distributed.launch \
-    --gpus="0,1,2,3" \
-    tools/train.py \
-        -c ./ppcls/configs/ImageNet/ResNet/ResNet50.yaml \
-        -o print_interval=10
diff --git a/tools/run_download.sh b/tools/run_download.sh
deleted file mode 100755
index ffcbd88c742a023f214e1e91bb5445af63b6a603..0000000000000000000000000000000000000000
--- a/tools/run_download.sh
+++ /dev/null
@@ -1,3 +0,0 @@
-#!/usr/bin/env bash
-
-python tools/download.py -a ResNet34 -p ./pretrained/ -d 1
diff --git a/tools/train.sh b/tools/train.sh
new file mode 100755
index 0000000000000000000000000000000000000000..5fced8636235d533bdadcdbb40769733930a0763
--- /dev/null
+++ b/tools/train.sh
@@ -0,0 +1,7 @@
+#!/usr/bin/env bash
+
+# for single card train
+# python3.7 tools/train.py -c ./ppcls/configs/ImageNet/ResNet/ResNet50.yaml
+
+# for multi-cards train
+python3.7 -m paddle.distributed.launch --gpus="0,1,2,3" tools/train.py -c ./ppcls/configs/ImageNet/ResNet/ResNet50.yaml
\ No newline at end of file