diff --git a/dygraph/infer.py b/dygraph/infer.py
index 2e6aa3f58a5adbe608ce02f31a80286e6e7c717f..a9c0d380f553e5c9f57c46a8aff91b28c3a1888e 100644
--- a/dygraph/infer.py
+++ b/dygraph/infer.py
@@ -17,11 +17,11 @@ import argparse
 import paddle.fluid as fluid
 from paddle.fluid.dygraph.parallel import ParallelEnv
 
-from dygraph.datasets import DATASETS
-import dygraph.transforms as T
-from dygraph.cvlibs import manager
-from dygraph.utils import get_environ_info
-from dygraph.core import infer
+from paddleseg.datasets import DATASETS
+import paddleseg.transforms as T
+from paddleseg.cvlibs import manager
+from paddleseg.utils import get_environ_info
+from paddleseg.core import infer
 
 
 def parse_args():
diff --git a/dygraph/paddleseg/core/infer.py b/dygraph/paddleseg/core/infer.py
index 499890d216c173f4361ae7e5f18027add8cfb2a6..a9e671e05b873ace440b48102959423851b3aa80 100644
--- a/dygraph/paddleseg/core/infer.py
+++ b/dygraph/paddleseg/core/infer.py
@@ -20,8 +20,8 @@ import paddle.fluid as fluid
 import cv2
 import tqdm
 
-from dygraph import utils
-import dygraph.utils.logger as logger
+from paddleseg import utils
+import paddleseg.utils.logger as logger
 
 
 def mkdir(path):
diff --git a/dygraph/paddleseg/core/train.py b/dygraph/paddleseg/core/train.py
index ddb58a6bc575a05b29ccf352876778b269dcf7cd..a2621a622ac5bb5a995a260c4cdb67f16f5a1203 100644
--- a/dygraph/paddleseg/core/train.py
+++ b/dygraph/paddleseg/core/train.py
@@ -22,10 +22,10 @@ from paddle.fluid.io import DataLoader
 from paddle.io import DistributedBatchSampler
 import paddle.nn.functional as F
 
-import dygraph.utils.logger as logger
-from dygraph.utils import load_pretrained_model
-from dygraph.utils import resume
-from dygraph.utils import Timer, calculate_eta
+import paddleseg.utils.logger as logger
+from paddleseg.utils import load_pretrained_model
+from paddleseg.utils import resume
+from paddleseg.utils import Timer, calculate_eta
 from .val import evaluate
 
 
diff --git a/dygraph/paddleseg/core/val.py b/dygraph/paddleseg/core/val.py
index 22e84a314cd4ffe8093f81dad724f3d7d12a05fe..c104b2d8bf67419c58f15ba75989720662b0a2d8 100644
--- a/dygraph/paddleseg/core/val.py
+++ b/dygraph/paddleseg/core/val.py
@@ -22,9 +22,9 @@ import paddle.fluid as fluid
 import paddle.nn.functional as F
 import paddle
 
-import dygraph.utils.logger as logger
-from dygraph.utils import ConfusionMatrix
-from dygraph.utils import Timer, calculate_eta
+import paddleseg.utils.logger as logger
+from paddleseg.utils import ConfusionMatrix
+from paddleseg.utils import Timer, calculate_eta
 
 
 def evaluate(model,
diff --git a/dygraph/train.py b/dygraph/train.py
index 789cdf451d300128aa3341af980dba7664726878..1e56fce70e9e157ca45bf92d7444a327dd2a3951 100644
--- a/dygraph/train.py
+++ b/dygraph/train.py
@@ -17,12 +17,10 @@ import argparse
 import paddle.fluid as fluid
 from paddle.fluid.dygraph.parallel import ParallelEnv
 
-import dygraph
-from dygraph.cvlibs import manager
-from dygraph.utils import get_environ_info
-from dygraph.utils import logger
-from dygraph.utils import Config
-from dygraph.core import train
+import paddleseg
+from paddleseg.cvlibs import manager
+from paddleseg.utils import get_environ_info, logger, Config
+from paddleseg.core import train
 
 
 def parse_args():
diff --git a/dygraph/val.py b/dygraph/val.py
index f4b7d6399c155d629add1888131c0d6bf7430421..6dcf040777aeab35fd742870979b68eac8d5d85b 100644
--- a/dygraph/val.py
+++ b/dygraph/val.py
@@ -17,11 +17,10 @@ import argparse
 import paddle.fluid as fluid
 from paddle.fluid.dygraph.parallel import ParallelEnv
 
-import dygraph
-from dygraph.cvlibs import manager
-from dygraph.utils import get_environ_info
-from dygraph.utils import Config
-from dygraph.core import evaluate
+import paddleseg
+from paddleseg.cvlibs import manager
+from paddleseg.utils import get_environ_info, Config
+from paddleseg.core import evaluate
 
 
 def parse_args():