diff --git a/.travis.yml b/.travis.yml
index 1b6f9c53..fd330019 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -4,10 +4,6 @@ cache: pip
 python:
     - 2.7
     - 3.6
-branches:
-  only:
-  - master
-  - dev
 install:
     - pip install -r requirements.txt
     - pip install flake8  # pytest  # add another testing frameworks later
@@ -15,7 +11,7 @@ before_script:
     # stop the build if there are Python syntax errors or undefined names
     - flake8 . --count --select=E901,E999,F821,F822,F823 --show-source --statistics
     # exit-zero treats all errors as warnings.  The GitHub editor is 127 chars wide
-    - flake8 . --count --exit-zero --max-complexity=10 --max-line-length=127 --statistics
+    - flake8 . --count --exit-zero --ignore=E265,W2 --max-complexity=10 --max-line-length=127 --statistics
 script:
     - true  # pytest --capture=sys  # add other tests here
 notifications:
diff --git a/setup.py b/setup.py
index df03fc01..7805ec6a 100644
--- a/setup.py
+++ b/setup.py
@@ -3,17 +3,17 @@
 '''
 vn.py - By Traders, For Traders.
 
-The vn.py project is an open-source quantitative trading framework 
-that is developed by traders, for traders. 
+The vn.py project is an open-source quantitative trading framework
+that is developed by traders, for traders.
 
-The project is mainly written in Python and uses C++ for low-layer 
+The project is mainly written in Python and uses C++ for low-layer
 and performance sensitive infrastructure.
 
-Using the vn.py project, institutional investors and professional 
-traders, such as hedge funds, prop trading firms and investment banks, 
-can easily develop complex trading strategies with the Event Engine 
-Strategy Module, and automatically route their orders to the most 
-desired destinations, including equity, commodity, forex and many 
+Using the vn.py project, institutional investors and professional
+traders, such as hedge funds, prop trading firms and investment banks,
+can easily develop complex trading strategies with the Event Engine
+Strategy Module, and automatically route their orders to the most
+desired destinations, including equity, commodity, forex and many
 other financial markets.
 '''
 
@@ -31,7 +31,7 @@ def getSubpackages(name):
     for dirpath, _dirnames, _filenames in os.walk(name):
         if os.path.isfile(os.path.join(dirpath, '__init__.py')):
             splist.append(".".join(dirpath.split(os.sep)))
-    
+
     return splist
 
 
@@ -43,7 +43,7 @@ setup(
     license='MIT',
     url='http://www.vnpy.org',
     description='A framework for developing Quantitative Trading programmes',
-    long_description = __doc__,    
+    long_description=__doc__,
     keywords='quant quantitative investment trading algotrading',
     classifiers=['Development Status :: 4 - Beta',
                  'Operating System :: Microsoft :: Windows :: Windows 7',
@@ -60,7 +60,4 @@ setup(
                        '*.h', '*.cpp', '*.bash', '*.txt',
                        '*.dll', '*.lib', '*.so', '*.pyd',
                        '*.dat', '*.ini', '*.pfx', '*.scc', '*.crt', '*.key']},
-    extras_require={
-        'tq': ["tornado>=4.5.1", "sortedcontainers>=1.5.7"],
-    }
-)
+    extras_require={'tq': ["tornado>=4.5.1", "sortedcontainers>=1.5.7"]})
diff --git a/vnpy/trader/gateway/ctpGateway/ctpGateway.py b/vnpy/trader/gateway/ctpGateway/ctpGateway.py
index 0aa11e72..419d4edd 100644
--- a/vnpy/trader/gateway/ctpGateway/ctpGateway.py
+++ b/vnpy/trader/gateway/ctpGateway/ctpGateway.py
@@ -108,7 +108,7 @@ class CtpGateway(VtGateway):
     def connect(self):
         """连接"""
         try:
-            f = file(self.filePath)
+            f = open(self.filePath)
         except IOError:
             log = VtLogData()
             log.gatewayName = self.gatewayName
@@ -118,6 +118,7 @@ class CtpGateway(VtGateway):
         
         # 解析json文件
         setting = json.load(f)
+        f.close()
         try:
             userID = str(setting['userID'])
             password = str(setting['password'])
@@ -1503,4 +1504,4 @@ class CtpTdApi(TdApi):
 
 
 
-    
\ No newline at end of file
+