diff --git a/ppcls/arch/backbone/legendary_models/resnet.py b/ppcls/arch/backbone/legendary_models/resnet.py
index 643e860faf022000453e00cad637ef1ad572e0dc..f7616055bf2e3f01c00ade06b909c8a1778ee958 100644
--- a/ppcls/arch/backbone/legendary_models/resnet.py
+++ b/ppcls/arch/backbone/legendary_models/resnet.py
@@ -20,9 +20,10 @@ import numpy as np
 import paddle
 from paddle import ParamAttr
 import paddle.nn as nn
-from paddle.nn import Conv2D, BatchNorm, Linear
+from paddle.nn import Conv2D, BatchNorm, Linear, BatchNorm2D
 from paddle.nn import AdaptiveAvgPool2D, MaxPool2D, AvgPool2D
 from paddle.nn.initializer import Uniform
+from paddle.regularizer import L2Decay
 import math
 
 from ppcls.arch.backbone.base.theseus_layer import TheseusLayer
@@ -113,6 +114,7 @@ class ConvBNLayer(TheseusLayer):
                  filter_size,
                  stride=1,
                  groups=1,
+                 norm_decay=0.0005,
                  is_vd_mode=False,
                  act=None,
                  lr_mult=1.0,
@@ -132,11 +134,18 @@ class ConvBNLayer(TheseusLayer):
             weight_attr=ParamAttr(learning_rate=lr_mult),
             bias_attr=False,
             data_format=data_format)
-        self.bn = BatchNorm(
-            num_filters,
-            param_attr=ParamAttr(learning_rate=lr_mult),
-            bias_attr=ParamAttr(learning_rate=lr_mult),
-            data_layout=data_format)
+
+        param_attr = ParamAttr(
+            learning_rate=lr_mult,
+            regularizer=L2Decay(norm_decay),
+            trainable=True)
+        bias_attr = ParamAttr(
+            learning_rate=lr_mult,
+            regularizer=L2Decay(norm_decay),
+            trainable=True)
+
+        self.bn = BatchNorm2D(
+            num_filters, weight_attr=param_attr, bias_attr=bias_attr)
         self.relu = nn.ReLU()
 
     def forward(self, x):
@@ -192,6 +201,7 @@ class BottleneckBlock(TheseusLayer):
                 is_vd_mode=False if if_first else True,
                 lr_mult=lr_mult,
                 data_format=data_format)
+
         self.relu = nn.ReLU()
         self.shortcut = shortcut
 
@@ -312,7 +322,7 @@ class ResNet(TheseusLayer):
             [[input_image_channel, 32, 3, 2], [32, 32, 3, 1], [32, 64, 3, 1]]
         }
 
-        self.stem = nn.Sequential(*[
+        self.stem = nn.Sequential(* [
             ConvBNLayer(
                 num_channels=in_c,
                 num_filters=out_c,
diff --git a/ppcls/arch/backbone/model_zoo/strongbaseline_attr.py b/ppcls/arch/backbone/model_zoo/strongbaseline_attr.py
index e3fc8767df91f90d8cbabaeff6547b768b8ffb9c..6bb445d1ffb9ff99f12593a754c40a3b7e73fdfc 100644
--- a/ppcls/arch/backbone/model_zoo/strongbaseline_attr.py
+++ b/ppcls/arch/backbone/model_zoo/strongbaseline_attr.py
@@ -55,7 +55,7 @@ class StrongBaselinePAR(nn.Layer):
     def forward(self, x):
         fc_feat = self.backbone(x)
         output = F.sigmoid(fc_feat)
-        return output
+        return fc_feat
 
 
 def _load_pretrained(pretrained, model, model_url, use_ssld):
@@ -95,4 +95,5 @@ def load_pretrained(model, local_weight_path):
 def StrongBaselineAttr(pretrained=True, use_ssld=False, **kwargs):
     model = StrongBaselinePAR(**kwargs)
     _load_pretrained(MODEL_URLS["StrongBaselineAttr"], model, None, None)
+    # load_pretrained(model, MODEL_URLS["StrongBaselineAttr"])
     return model
diff --git a/ppcls/configs/Attr/StrongBaselineAttr.yaml b/ppcls/configs/Attr/StrongBaselineAttr.yaml
index ac82ebb23f27c94ea83b8c6fa860e91794fe223c..df6916bdea257875667f52510e1ac19b2ec0d25a 100644
--- a/ppcls/configs/Attr/StrongBaselineAttr.yaml
+++ b/ppcls/configs/Attr/StrongBaselineAttr.yaml
@@ -55,12 +55,14 @@ DataLoader:
         - DecodeImage:
             to_rgb: True
             channel_first: False
-        # - ResizeImage:
-        #     size: [192, 256]
-        - RandCropImage:
+        - ResizeImage:
+            size: [192, 256]
+        - Pad:
+            size: [212, 276]
+            pad_mode: 1
+            fill_value: 0
+        - RandomCropImage:
             size: [192, 256]
-            scale: [0.9, 1.1]
-            ratio: [0.75, 0.75]
         - RandFlipImage:
             flip_code: 1
         - NormalizeImage:
diff --git a/ppcls/data/dataloader/__init__.py b/ppcls/data/dataloader/__init__.py
index 2b1d92b76bd202e36086f21a3a092c3673277690..7581daa0a8cdf56e8d67b73db66ea9d7524d7939 100644
--- a/ppcls/data/dataloader/__init__.py
+++ b/ppcls/data/dataloader/__init__.py
@@ -10,3 +10,4 @@ from ppcls.data.dataloader.mix_sampler import MixSampler
 from ppcls.data.dataloader.multi_scale_sampler import MultiScaleSampler
 from ppcls.data.dataloader.pk_sampler import PKSampler
 from ppcls.data.dataloader.person_dataset import Market1501, MSMT17
+from ppcls.data.dataloader.attr_dataset import AttrDataset
diff --git a/ppcls/data/dataloader/attr_dataset.py b/ppcls/data/dataloader/attr_dataset.py
new file mode 100644
index 0000000000000000000000000000000000000000..f4aaef2db853faf7b79003dbf874b73ee149296f
--- /dev/null
+++ b/ppcls/data/dataloader/attr_dataset.py
@@ -0,0 +1,82 @@
+#   Copyright (c) 2021 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.
+
+from __future__ import print_function
+
+import numpy as np
+import os
+import pickle
+
+from .common_dataset import CommonDataset
+from ppcls.data.preprocess import transform
+
+
+class AttrDataset(CommonDataset):
+    def _load_anno(self, seed=None, split='trainval'):
+        assert os.path.exists(self._cls_path)
+        assert os.path.exists(self._img_root)
+        anno_path = self._cls_path
+        image_dir = self._img_root
+        self.images = []
+        self.labels = []
+
+        dataset_info = pickle.load(open(anno_path, 'rb+'))
+        img_id = dataset_info.image_name
+
+        attr_label = dataset_info.label
+        attr_label[attr_label == 2] = 0
+        attr_id = dataset_info.attr_name
+        if 'label_idx' in dataset_info.keys():
+            eval_attr_idx = dataset_info.label_idx.eval
+            attr_label = attr_label[:, eval_attr_idx]
+            attr_id = [attr_id[i] for i in eval_attr_idx]
+
+        attr_num = len(attr_id)
+
+        # mapping category name to class id
+        # first_class:0, second_class:1, ...
+        cname2cid = {attr_id[i]: i for i in range(attr_num)}
+
+        assert split in dataset_info.partition.keys(
+        ), f'split {split} is not exist'
+
+        img_idx = dataset_info.partition[split]
+
+        if isinstance(img_idx, list):
+            img_idx = img_idx[0]  # default partition 0
+
+        img_num = img_idx.shape[0]
+        img_id = [img_id[i] for i in img_idx]
+        label = attr_label[img_idx]  # [:, [0, 12]]
+        self.label_ratio = label.mean(0)
+        print("label_ratio:", self.label_ratio)
+        for i, (img_i, label_i) in enumerate(zip(img_id, label)):
+            imgname = os.path.join(image_dir, img_i)
+            self.images.append(imgname)
+            self.labels.append(np.int64(label_i))
+
+    def __getitem__(self, idx):
+        try:
+            with open(self.images[idx], 'rb') as f:
+                img = f.read()
+            if self._transform_ops:
+                img = transform(img, self._transform_ops)
+            img = img.transpose((2, 0, 1))
+            return (img, [self.labels[idx], self.label_ratio])
+
+        except Exception as ex:
+            logger.error("Exception occured when parse line: {} with msg: {}".
+                         format(self.images[idx], ex))
+            rnd_idx = np.random.randint(self.__len__())
+            return self.__getitem__(rnd_idx)
diff --git a/ppcls/data/dataloader/common_dataset.py b/ppcls/data/dataloader/common_dataset.py
index b7b03d8b9e06aa7aa190fb325c2221db3b666c5c..fb251a7fc401f441f7e69851b0a0e24690489640 100644
--- a/ppcls/data/dataloader/common_dataset.py
+++ b/ppcls/data/dataloader/common_dataset.py
@@ -44,11 +44,11 @@ def create_operators(params):
 
 
 class CommonDataset(Dataset):
-    def __init__(
-            self,
-            image_root,
-            cls_label_path,
-            transform_ops=None, ):
+    def __init__(self,
+                 image_root,
+                 cls_label_path,
+                 transform_ops=None,
+                 split='trainval'):
         self._img_root = image_root
         self._cls_path = cls_label_path
         if transform_ops:
@@ -56,7 +56,7 @@ class CommonDataset(Dataset):
 
         self.images = []
         self.labels = []
-        self._load_anno()
+        self._load_anno(split=split)
 
     def _load_anno(self):
         pass
diff --git a/ppcls/data/preprocess/__init__.py b/ppcls/data/preprocess/__init__.py
index 62066016a47c8cef7bd31bc7d238f202ea6455f0..d8a9773de572638ebddb87bdf9db388939fb4973 100644
--- a/ppcls/data/preprocess/__init__.py
+++ b/ppcls/data/preprocess/__init__.py
@@ -33,6 +33,7 @@ from ppcls.data.preprocess.ops.operators import AugMix
 from ppcls.data.preprocess.ops.operators import Pad
 from ppcls.data.preprocess.ops.operators import ToTensor
 from ppcls.data.preprocess.ops.operators import Normalize
+from ppcls.data.preprocess.ops.operators import RandomCropImage
 
 from ppcls.data.preprocess.batch_ops.batch_operators import MixupOperator, CutmixOperator, OpSampler, FmixOperator
 
diff --git a/ppcls/data/preprocess/ops/operators.py b/ppcls/data/preprocess/ops/operators.py
index 157f44f1ab15ffd1162aeada37dba9296ee0ca00..fbeca9058f0ebb3f1eaca1e7f3dde4e74e5cd0ed 100644
--- a/ppcls/data/preprocess/ops/operators.py
+++ b/ppcls/data/preprocess/ops/operators.py
@@ -190,6 +190,105 @@ class CropImage(object):
         return img[h_start:h_end, w_start:w_end, :]
 
 
+class Pad(object):
+    def __init__(self,
+                 size=None,
+                 size_divisor=32,
+                 pad_mode=0,
+                 offsets=None,
+                 fill_value=(127.5, 127.5, 127.5)):
+        """
+        Pad image to a specified size or multiple of size_divisor.
+        Args:
+            size (int, list): image target size, if None, pad to multiple of size_divisor, default None
+            size_divisor (int): size divisor, default 32
+            pad_mode (int): pad mode, currently only supports four modes [-1, 0, 1, 2]. if -1, use specified offsets
+                if 0, only pad to right and bottom. if 1, pad according to center. if 2, only pad left and top
+            offsets (list): [offset_x, offset_y], specify offset while padding, only supported pad_mode=-1
+            fill_value (bool): rgb value of pad area, default (127.5, 127.5, 127.5)
+        """
+
+        if not isinstance(size, (int, list)):
+            raise TypeError(
+                "Type of target_size is invalid when random_size is True. \
+                            Must be List, now is {}".format(type(size)))
+
+        if isinstance(size, int):
+            size = [size, size]
+
+        assert pad_mode in [
+            -1, 0, 1, 2
+        ], 'currently only supports four modes [-1, 0, 1, 2]'
+        if pad_mode == -1:
+            assert offsets, 'if pad_mode is -1, offsets should not be None'
+
+        self.size = size
+        self.size_divisor = size_divisor
+        self.pad_mode = pad_mode
+        self.fill_value = fill_value
+        self.offsets = offsets
+
+    def apply_image(self, image, offsets, im_size, size):
+        x, y = offsets
+        im_h, im_w = im_size
+        h, w = size
+        canvas = np.ones((h, w, 3), dtype=np.float32)
+        canvas *= np.array(self.fill_value, dtype=np.float32)
+        canvas[y:y + im_h, x:x + im_w, :] = image.astype(np.float32)
+        return canvas
+
+    def __call__(self, img):
+        im_h, im_w = img.shape[:2]
+        if self.size:
+            w, h = self.size
+            assert (
+                im_h <= h and im_w <= w
+            ), '(h, w) of target size should be greater than (im_h, im_w)'
+        else:
+            h = int(np.ceil(im_h / self.size_divisor) * self.size_divisor)
+            w = int(np.ceil(im_w / self.size_divisor) * self.size_divisor)
+
+        if h == im_h and w == im_w:
+            return img.astype(np.float32)
+
+        if self.pad_mode == -1:
+            offset_x, offset_y = self.offsets
+        elif self.pad_mode == 0:
+            offset_y, offset_x = 0, 0
+        elif self.pad_mode == 1:
+            offset_y, offset_x = (h - im_h) // 2, (w - im_w) // 2
+        else:
+            offset_y, offset_x = h - im_h, w - im_w
+
+        offsets, im_size, size = [offset_x, offset_y], [im_h, im_w], [h, w]
+
+        return self.apply_image(img, offsets, im_size, size)
+
+
+class RandomCropImage(object):
+    """Random crop image only
+    """
+
+    def __init__(self, size):
+        super(RandomCropImage, self).__init__()
+        if isinstance(size, int):
+            size = [size, size]
+        self.size = size
+
+    def __call__(self, img):
+
+        h, w = img.shape[:2]
+        tw, th = self.size
+        i = random.randint(0, h - th)
+        j = random.randint(0, w - tw)
+
+        img = img[i:i + th, j:j + tw, :]
+        if img.shape[0] != 256 or img.shape[1] != 192:
+            raise ValueError('sample: ', h, w, i, j, th, tw, img.shape)
+
+        return img
+
+
 class RandCropImage(object):
     """ random crop image """
 
@@ -463,8 +562,8 @@ class Pad(object):
         # Process fill color for affine transforms
         major_found, minor_found = (int(v)
                                     for v in PILLOW_VERSION.split('.')[:2])
-        major_required, minor_required = (
-            int(v) for v in min_pil_version.split('.')[:2])
+        major_required, minor_required = (int(v) for v in
+                                          min_pil_version.split('.')[:2])
         if major_found < major_required or (major_found == major_required and
                                             minor_found < minor_required):
             if fill is None:
diff --git a/ppcls/loss/multilabelloss.py b/ppcls/loss/multilabelloss.py
index d30d5b8d18083385567d0bcdffaa1fd2da4876f5..550db40f2238eb211adeb14951ea96664ce7f52b 100644
--- a/ppcls/loss/multilabelloss.py
+++ b/ppcls/loss/multilabelloss.py
@@ -3,16 +3,28 @@ import paddle.nn as nn
 import paddle.nn.functional as F
 
 
+def ratio2weight(targets, ratio):
+    pos_weights = targets * (1. - ratio)
+    neg_weights = (1. - targets) * ratio
+    weights = paddle.exp(neg_weights + pos_weights)
+
+    # for RAP dataloader, targets element may be 2, with or without smooth, some element must great than 1
+    weights = weights - weights * (targets > 1)
+
+    return weights
+
+
 class MultiLabelLoss(nn.Layer):
     """
     Multi-label loss
     """
 
-    def __init__(self, epsilon=None):
+    def __init__(self, epsilon=None, weight_ratio=None):
         super().__init__()
         if epsilon is not None and (epsilon <= 0 or epsilon >= 1):
             epsilon = None
         self.epsilon = epsilon
+        self.weight_ratio = weight_ratio
 
     def _labelsmoothing(self, target, class_num):
         if target.ndim == 1 or target.shape[-1] != class_num:
@@ -26,11 +38,16 @@ class MultiLabelLoss(nn.Layer):
     def _binary_crossentropy(self, input, target, class_num):
         if self.epsilon is not None:
             target = self._labelsmoothing(target, class_num)
-            cost = F.binary_cross_entropy_with_logits(
-                logit=input, label=target)
-        else:
-            cost = F.binary_cross_entropy_with_logits(
-                logit=input, label=target)
+        cost = F.binary_cross_entropy_with_logits(logit=input, label=target)
+
+        if self.weight_ratio is not None:
+            targets_mask = paddle.cast(target > 0.5, 'float32')
+            weight = ratio2weight(targets_mask,
+                                  paddle.to_tensor(self.weight_ratio))
+            weight = weight * (target > -1)
+            cost = cost * weight
+            import pdb
+            pdb.set_trace()
 
         return cost