* update travis config

* update README

.travis.yml

@@ -4,7 +4,8 @@ python:
 # command to install dependencies
 install:
   - pip install --quiet -r requirements.txt
-  - pip install pytest pytest-cov
+  - pip install pytest>=3.6
+  - pip install pytest-cov
 # command to run tests
 script:
   - pytest --cov=./

README.md

@@ -48,8 +48,10 @@ For example:
 ## Resources
 
 - [Documentation](https://fastnlp.readthedocs.io/en/latest/)
+- [Tutorials](https://github.com/fastnlp/fastNLP/tutorials)
 - [Source Code](https://github.com/fastnlp/fastNLP)
 
+
 ## Installation
 Run the following commands to install fastNLP package.
 ```shell
@@ -70,7 +72,7 @@ pip install fastNLP
 </tr>
 <tr>
     <td><b> fastNLP.core </b></td>
-    <td> data representation & train/test presedure </td>
+    <td> data representation & train/test procedure </td>
 </tr>
 <tr>
     <td><b> fastNLP.models </b></td>