diff --git a/ppcls/data/reader.py b/ppcls/data/reader.py
index 70160a4d65f89a4e97049330f5cb4993dbb35d4f..5749cac13baf8627585b8d0c10bcb86f1ab58144 100755
--- a/ppcls/data/reader.py
+++ b/ppcls/data/reader.py
@@ -13,16 +13,15 @@
 #limitations under the License.
 
 import cv2
-
 import numpy as np
 import os
 import signal
 
 import paddle
 
-import imaug
-from imaug import transform
-from imaug import MixupOperator
+from . import imaug
+from .imaug import transform
+from .imaug import MixupOperator
 from ppcls.utils import logger
 
 trainers_num = int(os.environ.get('PADDLE_TRAINERS_NUM', 1))
diff --git a/ppcls/modeling/utils.py b/ppcls/modeling/utils.py
index acc4d1948264e72c3cffad52b8139331cfb28420..e7787b8122f086c44e712b46a263a37c91992e00 100644
--- a/ppcls/modeling/utils.py
+++ b/ppcls/modeling/utils.py
@@ -12,10 +12,11 @@
 #See the License for the specific language governing permissions and
 #limitations under the License.
 
-import architectures
 import types
 from difflib import SequenceMatcher
 
+from . import architectures
+
 
 def get_architectures():
     """
diff --git a/ppcls/optimizer/__init__.py b/ppcls/optimizer/__init__.py
index 9a192d9a14182185f686dcd68506579926cc8efa..1997992293ab3e7350025c5b43e8619d139fe44f 100644
--- a/ppcls/optimizer/__init__.py
+++ b/ppcls/optimizer/__init__.py
@@ -15,5 +15,5 @@
 from . import optimizer
 from . import learning_rate
 
-from optimizer import OptimizerBuilder
-from learning_rate import LearningRateBuilder
+from .optimizer import OptimizerBuilder
+from .learning_rate import LearningRateBuilder