diff --git a/dygraph/configs/deeplabv3p/deeplabv3p_mobilenetv3_large_cityscapes_769x769_160k.yml b/dygraph/configs/deeplabv3p/deeplabv3p_mobilenetv3_large_cityscapes_769x769_160k.yml
index 82a0649a0e0785e0654026b52d745175c7cb019f..9ae6093a2c9f918e41f53ae29569a962d7bd3750 100644
--- a/dygraph/configs/deeplabv3p/deeplabv3p_mobilenetv3_large_cityscapes_769x769_160k.yml
+++ b/dygraph/configs/deeplabv3p/deeplabv3p_mobilenetv3_large_cityscapes_769x769_160k.yml
@@ -1,5 +1,7 @@
 _base_: '../_base_/cityscapes.yml'
 
+iters: 160000
+
 model:
   type: DeepLabV3
   backbone:
diff --git a/dygraph/configs/deeplabv3p/deeplabv3p_xception65_cityscapes_769x769_160k.yml b/dygraph/configs/deeplabv3p/deeplabv3p_xception65_cityscapes_769x769_160k.yml
index c604ee7e7cd7ffd495dfb46578d0e1d4eb3fbeb2..17d854d0a71de043412f153a40de6cda1ed10a47 100644
--- a/dygraph/configs/deeplabv3p/deeplabv3p_xception65_cityscapes_769x769_160k.yml
+++ b/dygraph/configs/deeplabv3p/deeplabv3p_xception65_cityscapes_769x769_160k.yml
@@ -1,5 +1,7 @@
 _base_: '../_base_/cityscapes.yml'
 
+iters: 160000
+
 model:
   type: DeepLabV3
   backbone:
diff --git a/dygraph/paddleseg/models/backbones/mobilenetv3.py b/dygraph/paddleseg/models/backbones/mobilenetv3.py
index 14baf3e9115148ea82cd5d4829a5ac346b07f780..8bbd0c5e5963b6bd068d2340951aa7ebdaccc817 100644
--- a/dygraph/paddleseg/models/backbones/mobilenetv3.py
+++ b/dygraph/paddleseg/models/backbones/mobilenetv3.py
@@ -25,7 +25,8 @@ import paddle.nn as nn
 import paddle.nn.functional as F
 from paddle.nn import Conv2d, AdaptiveAvgPool2d
 from paddle.nn import SyncBatchNorm as BatchNorm
-from paddle.regularizer import L2Decay
+# from paddle.regularizer import L2Decay
+from paddle.fluid.regularizer import L2Decay
 from paddle import ParamAttr
 
 from paddleseg.models.common import layer_libs, activation