diff --git a/.tools/cache_dataset.py b/.tools/cache_dataset.py
index ae0125c6c6d14f4eb7d970e8911e6fc744451922..6df9ad2299333d93a303da4ae6e8a7a985ba9858 100755
--- a/.tools/cache_dataset.py
+++ b/.tools/cache_dataset.py
@@ -1,5 +1,5 @@
 #!/bin/env python
-import paddle.v2.dataset as dataset
+import paddle.dataset as dataset
 import nltk
 
 #cifar
diff --git a/02.recognize_digits/README.cn.md b/02.recognize_digits/README.cn.md
index e98aefb2a95d5fe5e338dcc438d4ffc1b64090cc..055bf20b57771bf2547952b7940e236f612ec412 100644
--- a/02.recognize_digits/README.cn.md
+++ b/02.recognize_digits/README.cn.md
@@ -321,7 +321,7 @@ def event_handler(event):
 
 
 ```python
-from paddle.v2.plot import Ploter
+from paddle.utils import Ploter
 
 train_title = "Train cost"
 test_title = "Test cost"
diff --git a/02.recognize_digits/README.md b/02.recognize_digits/README.md
index 291e70b3213aa9b4c37127e4de533df97562ef76..fe08037c671b3fe5fb73fb0369fe1c8933d1d32f 100644
--- a/02.recognize_digits/README.md
+++ b/02.recognize_digits/README.md
@@ -320,7 +320,7 @@ def event_handler(event):
 ![png](./image/train_and_test.png)
 
 ```python
-from paddle.v2.plot import Ploter
+from paddle.utils import Ploter
 
 train_title = "Train cost"
 test_title = "Test cost"
diff --git a/02.recognize_digits/index.cn.html b/02.recognize_digits/index.cn.html
index fc8914d8ee51380e4c9c9153cc7d278584ae6e2b..1e7ec92efa1f4809555e22b86ecbdf732aee0ac0 100644
--- a/02.recognize_digits/index.cn.html
+++ b/02.recognize_digits/index.cn.html
@@ -363,7 +363,7 @@ def event_handler(event):
 
 
 ```python
-from paddle.v2.plot import Ploter
+from paddle.utils import Ploter
 
 train_title = "Train cost"
 test_title = "Test cost"
diff --git a/02.recognize_digits/index.html b/02.recognize_digits/index.html
index 78644b9187415914d6960caf873c4e5e62da8d43..33a02958756c5a74682c3a55875ec2e0490748f6 100644
--- a/02.recognize_digits/index.html
+++ b/02.recognize_digits/index.html
@@ -362,7 +362,7 @@ def event_handler(event):
 ![png](./image/train_and_test.png)
 
 ```python
-from paddle.v2.plot import Ploter
+from paddle.utils import Ploter
 
 train_title = "Train cost"
 test_title = "Test cost"
diff --git a/03.image_classification/README.cn.md b/03.image_classification/README.cn.md
index 5c6ce5f1d88e9e9af82e9e330af1a8afa620e2ff..e58f4b7ed260c6d47c61859428fca6bdcf813ae7 100644
--- a/03.image_classification/README.cn.md
+++ b/03.image_classification/README.cn.md
@@ -385,7 +385,7 @@ test_reader = paddle.batch(
 ```python
 params_dirname = "image_classification_resnet.inference.model"
 
-from paddle.v2.plot import Ploter
+from paddle.utils import Ploter
 
 train_title = "Train cost"
 test_title = "Test cost"
diff --git a/03.image_classification/README.md b/03.image_classification/README.md
index 82da3218144f1e0fcc2fe5bc15d6051b36ae014d..f721b55251cdcb585dc83382821d4150b597f2e3 100644
--- a/03.image_classification/README.md
+++ b/03.image_classification/README.md
@@ -383,7 +383,7 @@ Callback function `event_handler` will be called during training when a pre-defi
 ```python
 params_dirname = "image_classification_resnet.inference.model"
 
-from paddle.v2.plot import Ploter
+from paddle.utils import Ploter
 
 train_title = "Train cost"
 test_title = "Test cost"
diff --git a/03.image_classification/index.cn.html b/03.image_classification/index.cn.html
index 1cb5b8968817e282bab4c7962b9b7d043fc70782..dd828029f87c00b32595197a341e6f3d9b57036d 100644
--- a/03.image_classification/index.cn.html
+++ b/03.image_classification/index.cn.html
@@ -427,7 +427,7 @@ test_reader = paddle.batch(
 ```python
 params_dirname = "image_classification_resnet.inference.model"
 
-from paddle.v2.plot import Ploter
+from paddle.utils import Ploter
 
 train_title = "Train cost"
 test_title = "Test cost"
diff --git a/03.image_classification/index.html b/03.image_classification/index.html
index c79db6cc72838f4ca69cecfe9a7d90866133a7f8..954b753252a6c41729d623e59014a325f98b8a65 100644
--- a/03.image_classification/index.html
+++ b/03.image_classification/index.html
@@ -425,7 +425,7 @@ Callback function `event_handler` will be called during training when a pre-defi
 ```python
 params_dirname = "image_classification_resnet.inference.model"
 
-from paddle.v2.plot import Ploter
+from paddle.utils import Ploter
 
 train_title = "Train cost"
 test_title = "Test cost"
diff --git a/05.recommender_system/README.cn.md b/05.recommender_system/README.cn.md
index 68379a45b255eec4ca3c1ce34d317d6a32015c75..798b2d98278172d90adcde3992d37e948fdf0e67 100644
--- a/05.recommender_system/README.cn.md
+++ b/05.recommender_system/README.cn.md
@@ -431,7 +431,7 @@ feed_order = [
 # Specify the directory path to save the parameters
 params_dirname = "recommender_system.inference.model"
 
-from paddle.v2.plot import Ploter
+from paddle.utils import Ploter
 test_title = "Test cost"
 plot_cost = Ploter(test_title)
 
diff --git a/05.recommender_system/README.md b/05.recommender_system/README.md
index 4d65487f1f1b4124a39abb6f054805d6e081168e..5dd29ad08afccd37ae10de8a2749b836dca7cb76 100644
--- a/05.recommender_system/README.md
+++ b/05.recommender_system/README.md
@@ -406,7 +406,7 @@ For example, we can check the cost by `trainer.test` when `EndStepEvent` occurs
 # Specify the directory path to save the parameters
 params_dirname = "recommender_system.inference.model"
 
-from paddle.v2.plot import Ploter
+from paddle.utils import Ploter
 test_title = "Test cost"
 plot_cost = Ploter(test_title)
 
diff --git a/05.recommender_system/index.cn.html b/05.recommender_system/index.cn.html
index 3b16c12117a4f87e05d6393d867cd41dd9966a8e..d27818c73f5925836b0ba045c5d6044c20b907c5 100644
--- a/05.recommender_system/index.cn.html
+++ b/05.recommender_system/index.cn.html
@@ -473,7 +473,7 @@ feed_order = [
 # Specify the directory path to save the parameters
 params_dirname = "recommender_system.inference.model"
 
-from paddle.v2.plot import Ploter
+from paddle.utils import Ploter
 test_title = "Test cost"
 plot_cost = Ploter(test_title)
 
diff --git a/05.recommender_system/index.html b/05.recommender_system/index.html
index 73d158badaace58a481a1c6c37251f74a90432a8..1e543f6649c2bf2a84caad89b41138c8494e2ff3 100644
--- a/05.recommender_system/index.html
+++ b/05.recommender_system/index.html
@@ -448,7 +448,7 @@ For example, we can check the cost by `trainer.test` when `EndStepEvent` occurs
 # Specify the directory path to save the parameters
 params_dirname = "recommender_system.inference.model"
 
-from paddle.v2.plot import Ploter
+from paddle.utils import Ploter
 test_title = "Test cost"
 plot_cost = Ploter(test_title)
 
diff --git a/serve/main.py b/serve/main.py
index ee1de9313793455c12ba457b004527ef11b2b3f6..1f9dbb8d17743b056256487e438a0369d7831c80 100644
--- a/serve/main.py
+++ b/serve/main.py
@@ -1,7 +1,7 @@
 import os
 import traceback
 
-import paddle.v2 as paddle
+import paddle as paddle
 from flask import Flask, jsonify, request
 from flask_cors import CORS
 from Queue import Queue