diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
new file mode 100644
index 0000000000000000000000000000000000000000..2edd051db681da02979e05411225cd07c3bb76f4
--- /dev/null
+++ b/.pre-commit-config.yaml
@@ -0,0 +1,17 @@
+-   repo: https://github.com/Lucas-C/pre-commit-hooks.git
+    sha: c25201a00e6b0514370501050cf2a8538ac12270
+    hooks:
+    -   id: remove-crlf
+-   repo: https://github.com/reyoung/mirrors-yapf.git
+    sha: v0.13.2
+    hooks:
+    - id: yapf
+      files: (.*\.(py|bzl)|BUILD|.*\.BUILD|WORKSPACE)$  # Bazel BUILD files follow Python syntax.
+-   repo: https://github.com/pre-commit/pre-commit-hooks
+    sha: 7539d8bd1a00a3c1bfd34cdb606d3a6372e83469
+    hooks:
+    -   id: check-added-large-files
+    -   id: check-merge-conflict
+    -   id: check-symlinks
+    -   id: detect-private-key
+    -   id: end-of-file-fixer
diff --git a/.style.yapf b/.style.yapf
new file mode 100644
index 0000000000000000000000000000000000000000..4741fb4f3bbc6681088cf9e960321e7b857a93a8
--- /dev/null
+++ b/.style.yapf
@@ -0,0 +1,3 @@
+[style]
+based_on_style = pep8
+column_limit = 80
diff --git a/.travis.yml b/.travis.yml
new file mode 100644
index 0000000000000000000000000000000000000000..f5409798d0baed1d518ff8c85c84fcad0d0fa701
--- /dev/null
+++ b/.travis.yml
@@ -0,0 +1,24 @@
+language: cpp
+cache: ccache
+sudo: required
+dist: trusty
+os:
+  - linux
+env:
+  - JOB=PRE_COMMIT
+
+addons:
+  apt:
+    packages:
+      - git
+      - python
+      - python-pip
+      - python2.7-dev
+before_install:
+  -  pip install virtualenv pre-commit
+script:
+  - travis/precommit.sh
+notifications:
+  email:
+    on_success: change
+    on_failure: always
diff --git a/README.md b/README.md
index edebfc2a07e7c043a9a1b2355dbcd8d5ce9ab223..f6aeb27757959f5d28d2ae931a6fd5b9120d66a6 100644
--- a/README.md
+++ b/README.md
@@ -1,11 +1,11 @@
 # 深度学习入门
 
 1. [新手入门](fit_a_line/README.md)
-1. [个性化推荐](recommender_system/README.md)
 1. [识别数字](recognize_digits/README.md)
 1. [图像分类](image_classification/README.md)
 1. [词向量](word2vec/README.md)
 1. [情感分析](understand_sentiment/README.md)
 1. [文本序列标注](label_semantic_roles/README.md)
 1. [机器翻译](machine_translation/README.md)
+1. [个性化推荐](recommender_system/README.md)
 1. [图像自动生成](gan/README.md)
diff --git a/travis/precommit.sh b/travis/precommit.sh
new file mode 100755
index 0000000000000000000000000000000000000000..204ee0533ebfdf93dd19c7a6af2353c30a10abb8
--- /dev/null
+++ b/travis/precommit.sh
@@ -0,0 +1,19 @@
+#!/bin/bash
+function abort(){
+    echo "Your commit not fit PaddlePaddle code style" 1>&2
+    echo "Please use pre-commit scripts to auto-format your code" 1>&2
+    exit 1
+}
+
+trap 'abort' 0
+set -e
+cd `dirname $0`
+cd ..
+export PATH=/usr/bin:$PATH
+pre-commit install
+
+if ! pre-commit run -a ; then
+  git diff  --exit-code
+fi
+
+trap : 0