diff --git a/.travis.yml b/.travis.yml
index ffe3bc193b49eb3b3318cbbc7f1c3d86dc205c14..a30857b600d72713ddb25501a8c55a382960e716 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -50,7 +50,7 @@ before_install:
     fi
   - if [[ "$TRAVIS_OS_NAME" == "linux" ]]; then sudo paddle/scripts/travis/before_install.linux.sh; fi
   - if [[ "$TRAVIS_OS_NAME" == "osx" ]]; then paddle/scripts/travis/before_install.osx.sh; fi
-  - pip install wheel protobuf sphinx breathe recommonmark virtualenv numpy
+  - pip install wheel protobuf 'sphinx==1.4.9' breathe recommonmark virtualenv numpy
 script:
   - paddle/scripts/travis/main.sh
 notifications:
diff --git a/doc/ui/data_provider/pydataprovider2.rst b/doc/ui/data_provider/pydataprovider2.rst
index e105d3be308705d228c0b188e15742a0f7325ab6..fcf230522f6999e726ccfd57bb8208ebba075c52 100644
--- a/doc/ui/data_provider/pydataprovider2.rst
+++ b/doc/ui/data_provider/pydataprovider2.rst
@@ -174,12 +174,12 @@ input_types
 +++++++++++
 
 PaddlePaddle has four data types, and three sequence types.
-The four data types are: 
+The four data types are:
 
 * :code:`dense_vector`: dense float vector.
 * :code:`sparse_binary_vector`: sparse binary vector, most of the value is 0, and
   the non zero elements are fixed to 1.
-* :code:`sparse_float_vector`: sparse float vector, most of the value is 0, and some
+* :code:`sparse_vector`: sparse float vector, most of the value is 0, and some
   non zero elements can be any float value. They are given by the user.
 * :code:`integer`: an integer scalar, that is especially used for label or word index.
 
@@ -200,7 +200,7 @@ in the above table.
 +----------------------+---------------------+-----------------------------------+------------------------------------------------+
 | sparse_binary_vector | [i, i, ...]         | [[i, ...], [i, ...], ...]         | [[[i, ...], ...], [[i, ...], ...],...]         |
 +----------------------+---------------------+-----------------------------------+------------------------------------------------+
-| sparse_float_vector  | [(i,f), (i,f), ...] | [[(i,f), ...], [(i,f), ...], ...] | [[[(i,f), ...], ...], [[(i,f), ...], ...],...] |
+| sparse_vector        | [(i,f), (i,f), ...] | [[(i,f), ...], [(i,f), ...], ...] | [[[(i,f), ...], ...], [[(i,f), ...], ...],...] |
 +----------------------+---------------------+-----------------------------------+------------------------------------------------+
 | integer_value        |  i                  | [i, i, ...]                       | [[i, ...], [i, ...], ...]                      |
 +----------------------+---------------------+-----------------------------------+------------------------------------------------+
@@ -227,7 +227,7 @@ Its parameters lists as follows:
     * :code:`is_train` is a bool parameter that indicates the DataProvider is used in
       training or testing.
     * :code:`file_list` is the list of all files.
-      
+
   * User-defined parameters args can be set in training configuration.
 
 Note, PaddlePaddle reserves the right to add pre-defined parameter, so please
diff --git a/doc/ui/index.md b/doc/ui/index.md
index 9c1ba27bdc14fa9ab762ffb97424a8a5946808f9..5aa051b4e9f6d1087dc8ba31d4af68d846b3fba1 100644
--- a/doc/ui/index.md
+++ b/doc/ui/index.md
@@ -7,7 +7,7 @@
 
 ## API Reference
 
-* [Model Config Interface](api/trainer_config_helpers/index.md)
+* [Model Config Interface](api/trainer_config_helpers/index.rst)
 
 ## Command Line Argument
 
diff --git a/doc_cn/ui/data_provider/pydataprovider2.rst b/doc_cn/ui/data_provider/pydataprovider2.rst
index 80b40084d8f5037a76df0b3e01ed5742d8476bd0..34db4a97d99b484a1751fea51535072998e1ee8d 100644
--- a/doc_cn/ui/data_provider/pydataprovider2.rst
+++ b/doc_cn/ui/data_provider/pydataprovider2.rst
@@ -53,7 +53,7 @@ process函数调用多次 :code:`yield` 即可。 :code:`yield` 是Python的一
 
 ..  literalinclude:: mnist_config.py
 
-这里说明了训练数据是 'train.list'，而没有测试数据。引用的DataProvider是 'mnist_provider' 
+这里说明了训练数据是 'train.list'，而没有测试数据。引用的DataProvider是 'mnist_provider'
 这个模块中的 'process' 函数。
 
 同时，根据模型配置文件中 :code:`data_layer` 的名字，用户也可以显式指定返回的数据对应关系。例如:
@@ -152,7 +152,7 @@ PaddlePaddle的数据包括四种主要类型，和三种序列模式。其中
 
 * dense_vector 表示稠密的浮点数向量。
 * sparse_binary_vector 表示稀疏的零一向量，即大部分值为0，有值的位置只能取1
-* sparse_float_vector 表示稀疏的向量，即大部分值为0，有值的部分可以是任何浮点数
+* sparse_vector 表示稀疏的向量，即大部分值为0，有值的部分可以是任何浮点数
 * integer 表示整数标签。
 
 而三种序列模式为
@@ -170,7 +170,7 @@ PaddlePaddle的数据包括四种主要类型，和三种序列模式。其中
 +----------------------+---------------------+-----------------------------------+------------------------------------------------+
 | sparse_binary_vector | [i, i, ...]         | [[i, ...], [i, ...], ...]         | [[[i, ...], ...], [[i, ...], ...],...]         |
 +----------------------+---------------------+-----------------------------------+------------------------------------------------+
-| sparse_float_vector  | [(i,f), (i,f), ...] | [[(i,f), ...], [(i,f), ...], ...] | [[[(i,f), ...], ...], [[(i,f), ...], ...],...] |
+| sparse_vector        | [(i,f), (i,f), ...] | [[(i,f), ...], [(i,f), ...], ...] | [[[(i,f), ...], ...], [[(i,f), ...], ...],...] |
 +----------------------+---------------------+-----------------------------------+------------------------------------------------+
 | integer_value        |  i                  | [i, i, ...]                       | [[i, ...], [i, ...], ...]                      |
 +----------------------+---------------------+-----------------------------------+------------------------------------------------+
@@ -202,7 +202,7 @@ DataProvider提供了两种简单的Cache策略。他们是
 
 * CacheType.NO_CACHE 不缓存任何数据，每次都会从python端读取数据
 * CacheType.CACHE_PASS_IN_MEM 第一个pass会从python端读取数据，剩下的pass会直接从内存里
-  读取数据。 
+  读取数据。
 
 
 注意事项