diff --git a/.style.yapf b/.style.yapf
index ab82e5ad..66c974c4 100644
--- a/.style.yapf
+++ b/.style.yapf
@@ -1,4 +1,15 @@
 [style]
 based_on_style = google
-split_before_logical_operator = true
 spaces_before_comment=2, 4
+SPLIT_ARGUMENTS_WHEN_COMMA_TERMINATED = true
+SPLIT_ALL_COMMA_SEPARATED_VALUES = true
+SPLIT_BEFORE_BITWISE_OPERATOR = true
+SPLIT_BEFORE_CLOSING_BRACKET = true
+SPLIT_BEFORE_DICT_SET_GENERATOR = true
+SPLIT_BEFORE_DOT = true
+SPLIT_BEFORE_EXPRESSION_AFTER_OPENING_PAREN = true
+SPLIT_BEFORE_FIRST_ARGUMENT = true
+SPLIT_BEFORE_LOGICAL_OPERATOR = true
+SPLIT_BEFORE_NAMED_ASSIGNS = true
+SPLIT_COMPLEX_COMPREHENSION = true
+DEDENT_CLOSING_BRACKETS=true
diff --git a/.travis.yml b/.travis.yml
new file mode 100644
index 00000000..fa0ffea0
--- /dev/null
+++ b/.travis.yml
@@ -0,0 +1,12 @@
+language: python
+python:
+  - "3.7-dev"
+install:
+  - pip install -r requirements.txt
+  - pip install -r travis/requirements.txt
+  - pip install -r requirements-dev.txt
+# command to run tests
+script:
+  - python travis/format_check.py
+  - pylint --rcfile=.pylintrc vnpy
+  - python tests/test_all.py
diff --git a/Readme.md b/Readme.md
new file mode 100644
index 00000000..2b8dd00e
--- /dev/null
+++ b/Readme.md
@@ -0,0 +1,21 @@
+vnpy 2.0 
+
+## 贡献代码
+---
+
+如果你遇到了任何BUG，欢迎[创建 Issue]。
+
+我们热烈欢迎任何人为我们的项目贡献代码。无论是多么细小的改工，都可以[提交PR]，我们会认真对待每一个PR。
+
+在提交代码的时候，请遵守以下规则，以提高代码质量：
+
+  * 使用[yapf]（目前必须使用github上的最新代码：```pip install https://github.com/google/yapf/archive/master.zip```）格式化你的代码。对你的每一个文件运行```yapf --style .style.yapf <file>```即可。
+  * 使用[pylint]检查你的代码，确保没有error和warning。我们使用的pylint规则在项目根目录下。运行```pylint --rcfile=pylintrc vnpy```即可。
+  
+  [yapf]:https://github.com/google/yapf
+  [pylint]:https://github.com/PyCQA/pylint
+  [提交PR]:https://help.github.com/articles/creating-a-pull-request/
+  [创建 Issue]:http://pylint.pycqa.org/en/latest/tutorial.html
+
+
+
diff --git a/requirements-dev.txt b/requirements-dev.txt
new file mode 100644
index 00000000..6325b67f
--- /dev/null
+++ b/requirements-dev.txt
@@ -0,0 +1,2 @@
+pylint
+https://github.com/google/yapf/archive/master.zip
diff --git a/tests/test_all.py b/tests/test_all.py
new file mode 100644
index 00000000..f636d3fd
--- /dev/null
+++ b/tests/test_all.py
@@ -0,0 +1,4 @@
+import unittest
+
+if __name__ == '__main__':
+    unittest.main()
diff --git a/travis/format_check.py b/travis/format_check.py
new file mode 100644
index 00000000..c1455f19
--- /dev/null
+++ b/travis/format_check.py
@@ -0,0 +1,27 @@
+import logging
+import os
+
+from yapf.yapflib.yapf_api import FormatFile
+
+logger = logging.Logger(__file__)
+
+if __name__ == '__main__':
+    has_changed = False
+    for root, dir, filenames in os.walk("vnpy"):
+        for filename in filenames:
+            basename, ext = os.path.splitext(filename)
+            if ext == '.py':
+                path = os.path.join(root, filename)
+                reformatted_code, encoding, changed = FormatFile(filename=path,
+                                                                 style_config='.style.yapf',
+                                                                 print_diff=True,
+                                                                 verify=False,
+                                                                 in_place=False,
+                                                                 logger=None
+                                                                 )
+                if changed:
+                    has_changed = True
+                    logger.warning("File {} not formatted!".format(path))
+                else:
+                    logger.info("File {} is formatted!".format(path))
+    exit(has_changed)
diff --git a/travis/requirements.txt b/travis/requirements.txt
new file mode 100644
index 00000000..e69de29b