diff --git a/doc/source/api/api.rst b/doc/source/api.rst
similarity index 90%
rename from doc/source/api/api.rst
rename to doc/source/api.rst
index 6fc450202df73f5ca99c2c52f257243aa37c90d4..30396c26b61827847cc5acc29cee1c3c8e7b226e 100644
--- a/doc/source/api/api.rst
+++ b/doc/source/api.rst
@@ -1,5 +1,5 @@
 API
-========
+===
 
 .. doxygenfile:: paddle/api/PaddleAPI.h
 .. doxygenfile:: paddle/api/Internal.h
diff --git a/doc/source/cuda/cuda/cuda.rst b/doc/source/cuda/cuda/cuda.rst
deleted file mode 100644
index 52f17c2b2e48aec8e6fc8d5a7e4f443ad72d96a6..0000000000000000000000000000000000000000
--- a/doc/source/cuda/cuda/cuda.rst
+++ /dev/null
@@ -1,39 +0,0 @@
-Cuda
-=============
-
-Dynamic Link Libs
---------------------------
-
-hl_dso_loader.h
-``````````````````
-.. doxygenfile:: paddle/cuda/include/hl_dso_loader.h
-
-GPU Resources
-----------------
-
-hl_cuda.ph
-``````````````
-.. doxygenfile:: paddle/cuda/include/hl_cuda.ph
-
-hl_cuda.h
-``````````````
-.. doxygenfile:: paddle/cuda/include/hl_cuda.h
-
-CUDA Wrapper
---------------
-
-hl_cuda_cublas.h
-``````````````````````
-.. doxygenfile:: paddle/cuda/include/hl_cuda_cublas.h
-
-hl_cuda_cudnn.h
-``````````````````````
-.. doxygenfile:: paddle/cuda/include/hl_cuda_cudnn.h
-
-hl_cuda_cudnn.h
-``````````````````````
-.. doxygenfile:: paddle/cuda/include/hl_cuda_cudnn.ph
-
-
-
-
diff --git a/doc/source/cuda/cuda/index.rst b/doc/source/cuda/cuda/index.rst
deleted file mode 100644
index 5fa38ff0fc8cea2b97262ea5493dea27b322dc1c..0000000000000000000000000000000000000000
--- a/doc/source/cuda/cuda/index.rst
+++ /dev/null
@@ -1,7 +0,0 @@
-CUDA
-====================
-
-.. toctree::
-  :maxdepth: 3
-
-  cuda.rst
diff --git a/doc/source/cuda/index.rst b/doc/source/cuda/index.rst
new file mode 100644
index 0000000000000000000000000000000000000000..b0fed2e7f72c9a9671e56e114edfc88d72504dbe
--- /dev/null
+++ b/doc/source/cuda/index.rst
@@ -0,0 +1,9 @@
+CUDA
+====
+
+.. toctree::
+  :maxdepth: 2
+
+  matrix.rst
+  nn.rst
+  utils.rst
diff --git a/doc/source/cuda/matrix/matrix.rst b/doc/source/cuda/matrix.rst
similarity index 76%
rename from doc/source/cuda/matrix/matrix.rst
rename to doc/source/cuda/matrix.rst
index dd4f06599c5af29a0278617ffd1bd9f6ae6b222e..b7699c83eda15d9003506f5fc57b51d52e7af823 100644
--- a/doc/source/cuda/matrix/matrix.rst
+++ b/doc/source/cuda/matrix.rst
@@ -1,61 +1,59 @@
 Matrix
-=======
+======
 
-Base Matrix
--------------
+Base
+----
 
 hl_matrix.h
-``````````````````
+```````````
 .. doxygenfile:: paddle/cuda/include/hl_matrix.h
 
 hl_matrix_base.h
-``````````````````
+````````````````
 .. doxygenfile:: paddle/cuda/include/hl_matrix_base.cuh
 
 hl_matrix_apply.cuh
-``````````````````````
+```````````````````
 .. doxygenfile:: paddle/cuda/include/hl_matrix_apply.cuh
 
 hl_matrix_ops.cuh
-``````````````````````
+`````````````````
 .. doxygenfile:: paddle/cuda/include/hl_matrix_ops.cuh
 
 hl_matrix_type.cuh
-``````````````````````
+``````````````````
 .. doxygenfile:: paddle/cuda/include/hl_matrix_type.cuh
 
 hl_sse_matrix_kernel.cuh
-``````````````````````````
+````````````````````````
 .. doxygenfile:: paddle/cuda/include/hl_sse_matrix_kernel.cuh
 
+Matrix Function 
+---------------
+
 hl_batch_transpose.h
-``````````````````````````
+````````````````````
 .. doxygenfile:: paddle/cuda/include/hl_batch_transpose.h
 
-Sparse Matrix
---------------
-
-hl_sparse.h
-``````````````````
-.. doxygenfile:: paddle/cuda/include/hl_sparse.h
-
-hl_sparse.ph
-``````````````````````
-.. doxygenfile:: paddle/cuda/include/hl_sparse.ph
-
-Others
----------------
-
 hl_aggregate.h
-``````````````````
+``````````````
 .. doxygenfile:: paddle/cuda/include/hl_aggregate.h
 
+hl_top_k.h
+``````````
+.. doxygenfile:: paddle/cuda/include/hl_top_k.h
+
 hl_table_apply.h
-``````````````````
+````````````````
 .. doxygenfile:: paddle/cuda/include/hl_table_apply.h
 
-hl_top_k.h
-``````````````````
-.. doxygenfile:: paddle/cuda/include/hl_top_k.h
+Sparse Matrix
+-------------
 
+hl_sparse.h
+```````````
+.. doxygenfile:: paddle/cuda/include/hl_sparse.h
 
+hl_sparse.ph
+````````````
+.. doxygenfile:: paddle/cuda/include/hl_sparse.ph
diff --git a/doc/source/cuda/matrix/index.rst b/doc/source/cuda/matrix/index.rst
deleted file mode 100644
index 63f95eb46618fd43a1140e4d857ae7e2fc89a6ae..0000000000000000000000000000000000000000
--- a/doc/source/cuda/matrix/index.rst
+++ /dev/null
@@ -1,7 +0,0 @@
-Matrix
-====================
-
-.. toctree::
-  :maxdepth: 3
-
-  matrix.rst
diff --git a/doc/source/cuda/rnn/rnn.rst b/doc/source/cuda/nn.rst
similarity index 79%
rename from doc/source/cuda/rnn/rnn.rst
rename to doc/source/cuda/nn.rst
index ce8ed96692bcb79eec0e5e6ae52a8bf5f6573418..5577d01e72a5b22847bda40528c46a28cacc1490 100644
--- a/doc/source/cuda/rnn/rnn.rst
+++ b/doc/source/cuda/nn.rst
@@ -1,36 +1,39 @@
-Neural Networks
-==================
+Neural Network
+==============
 
 Base
--------
+----
+
 .. doxygenfile:: paddle/cuda/include/hl_gpu.h
-.. doxygenfile:: paddle/cuda/include/hl_cnn.h
 .. doxygenfile:: paddle/cuda/include/hl_functions.h
 .. doxygenfile:: paddle/cuda/include/hl_avx_functions.h
-.. doxygenfile:: paddle/cuda/include/hl_device_functions.cuh
 .. doxygenfile:: paddle/cuda/include/hl_gpu_functions.cuh
-
-Activation Functions
------------------------
 .. doxygenfile:: paddle/cuda/include/hl_activation_functions.h
 
+
+CNN Related APIs
+----------------
+.. doxygenfile:: paddle/cuda/include/hl_cnn.h
+.. doxygenfile:: paddle/cuda/include/hl_cuda_cudnn.h
+.. doxygenfile:: paddle/cuda/include/hl_cuda_cudnn.ph
+
 RNN Related APIs
------------------
+----------------
 
 .. doxygenfile:: paddle/cuda/include/hl_recurrent_apply.cuh
 .. doxygenfile:: paddle/cuda/include/hl_sequence.h
 
 LSTM Model
-``````````````
+``````````
+
 .. doxygenfile:: paddle/cuda/include/hl_lstm.h
 .. dpxygenfile:: paddle/cuda/include/hl_cpu_lstm.cuh
 .. doxygenfile:: paddle/cuda/include/hl_gpu_lstm.cuh
 .. doxygenfile:: paddle/cuda/include/hl_lstm_ops.cuh
 
 GRU Model
-````````````````
+`````````
+
 .. doxygenfile:: paddle/cuda/include/hl_gru_ops.cuh
 .. doxygenfile:: paddle/cuda/include/hl_cpu_gru.cuh
 .. doxygenfile:: paddle/cuda/include/hl_gpu_gru.cuh
-
-
diff --git a/doc/source/cuda/rnn/index.rst b/doc/source/cuda/rnn/index.rst
deleted file mode 100644
index 4913e47ba1cbc1c2b93fe3e128626a8e66aedc62..0000000000000000000000000000000000000000
--- a/doc/source/cuda/rnn/index.rst
+++ /dev/null
@@ -1,7 +0,0 @@
-RNN
-====================
-
-.. toctree::
-  :maxdepth: 3
-
-  rnn.rst
diff --git a/doc/source/cuda/utils.rst b/doc/source/cuda/utils.rst
new file mode 100644
index 0000000000000000000000000000000000000000..850e8bd1c6670947e2a5f1b6f9b0d5b252117cbf
--- /dev/null
+++ b/doc/source/cuda/utils.rst
@@ -0,0 +1,37 @@
+Utils
+=====
+
+Dynamic Link Libs
+-----------------
+.. doxygenfile:: paddle/cuda/include/hl_dso_loader.h
+
+GPU Resources
+-------------
+
+hl_cuda.ph
+``````````
+.. doxygenfile:: paddle/cuda/include/hl_cuda.ph
+
+hl_cuda.h
+`````````
+.. doxygenfile:: paddle/cuda/include/hl_cuda.h
+
+HPPL Base
+---------
+.. doxygenfile:: paddle/cuda/include/hl_base.h
+
+CUBLAS Wrapper
+--------------
+.. doxygenfile:: paddle/cuda/include/hl_cuda_cublas.h
+
+Timer
+-----
+.. doxygenfile:: paddle/cuda/include/hl_time.h
+
+Thread Resource
+---------------
+.. doxygenfile:: paddle/cuda/include/hl_thread.ph
+
+Device Function
+---------------
+.. doxygenfile:: paddle/cuda/include/hl_device_functions.cuh
diff --git a/doc/source/cuda/utils/index.rst b/doc/source/cuda/utils/index.rst
deleted file mode 100644
index 7a84cbe27dd21e326add1a0a1774cbaa089e195f..0000000000000000000000000000000000000000
--- a/doc/source/cuda/utils/index.rst
+++ /dev/null
@@ -1,7 +0,0 @@
-Utils
-====================
-
-.. toctree::
-  :maxdepth: 3
-
-  utils.rst
diff --git a/doc/source/cuda/utils/utils.rst b/doc/source/cuda/utils/utils.rst
deleted file mode 100644
index 1ea3e5404aa5fc792075aa09c7fd7a1986332c79..0000000000000000000000000000000000000000
--- a/doc/source/cuda/utils/utils.rst
+++ /dev/null
@@ -1,23 +0,0 @@
-Utilities
-===========
-
-HPPL Base
-------------
-
-hl_base.h
-``````````````
-.. doxygenfile:: paddle/cuda/include/hl_base.h
-
-Timer
------------
-
-hl_time.h
-``````````````
-.. doxygenfile:: paddle/cuda/include/hl_time.h
-
-Thread Resource
------------
-
-hl_thread.ph
-``````````````
-.. doxygenfile:: paddle/cuda/include/hl_thread.ph
diff --git a/doc/source/gserver/activations/index.rst b/doc/source/gserver/activations.rst
similarity index 83%
rename from doc/source/gserver/activations/index.rst
rename to doc/source/gserver/activations.rst
index ccdae41128cd6b4edddda0ac44a825082d7495c9..55b9d3be383c07842d7066280cc0e174788db1fb 100644
--- a/doc/source/gserver/activations/index.rst
+++ b/doc/source/gserver/activations.rst
@@ -1,5 +1,5 @@
 Activations
-=============
+===========
 
 ..  doxygenclass:: paddle::ActivationFunction
     :members:
diff --git a/doc/source/gserver/dataprovider/index.rst b/doc/source/gserver/dataprovider/index.rst
deleted file mode 100644
index 4f6077f1224f90f693515d3414da4d96dc652345..0000000000000000000000000000000000000000
--- a/doc/source/gserver/dataprovider/index.rst
+++ /dev/null
@@ -1,7 +0,0 @@
-Data Providers Documents
-==========================
-
-.. toctree::
-  :maxdepth: 3
-
-  dataproviders.rst
diff --git a/doc/source/gserver/dataprovider/dataproviders.rst b/doc/source/gserver/dataproviders.rst
similarity index 87%
rename from doc/source/gserver/dataprovider/dataproviders.rst
rename to doc/source/gserver/dataproviders.rst
index e8aa4bc35634a0c6ede192a15b276564f7a2c13e..c30d9d6a36a6fbb664ae001274b6a7b0e721070f 100644
--- a/doc/source/gserver/dataprovider/dataproviders.rst
+++ b/doc/source/gserver/dataproviders.rst
@@ -1,23 +1,27 @@
+==============
 Data Providers
-================
+==============
 
-Base DataProvider
-------------------
+DataProviders
+=============
+
+Base
+----
 ..  doxygenclass:: paddle::DataProvider
     :members:
 
 DataProviderGroup
--------------------
+-----------------
 ..  doxygenclass:: paddle::DataProviderGroup
     :members:
 
 MultiDataProvider
--------------------
+-----------------
 ..  doxygenclass:: paddle::MultiDataProvider
     :members:
 
 PyDataProvider
-===================
+==============
 
 IFieldScanner
 -------------
@@ -45,7 +49,7 @@ SparseValueScanner
     :members:
 
 SequenceScanner
-------------------
+---------------
 ..  doxygenclass:: paddle::SparseValueScanner
     :members:
 
@@ -69,8 +73,8 @@ IPyDataProvider
 ..  doxygenclass:: paddle::PyDataProvider2
     :members:
 
-Proto Data Provider
-===================
+ProtoDataProvider
+=================
 
 ProtoDataProvider
 ----------------
@@ -78,6 +82,6 @@ ProtoDataProvider
     :members:
 
 ProtoSequenceDataProvider
-----------------
+-------------------------
 ..  doxygenclass:: paddle::ProtoSequenceDataProvider
     :members:
diff --git a/doc/source/gserver/evaluators/evaluators.rst b/doc/source/gserver/evaluators.rst
similarity index 96%
rename from doc/source/gserver/evaluators/evaluators.rst
rename to doc/source/gserver/evaluators.rst
index 0c5cc85e7dff31693bdc9d2ee44ef470a0fc5f90..f5361f76cd2b1c9c004221c03ea05b2c1f3a652e 100644
--- a/doc/source/gserver/evaluators/evaluators.rst
+++ b/doc/source/gserver/evaluators.rst
@@ -1,14 +1,15 @@
-Base Evaluator
-==============
+==========
+Evaluators
+==========
+
+Base
+====
 
-Evaluator
----------
 ..  doxygenclass:: paddle::Evaluator
     :members:
 
-
-Utils
-=====
+Sum
+===
 
 SumEvaluator
 ------------
diff --git a/doc/source/gserver/evaluators/index.rst b/doc/source/gserver/evaluators/index.rst
deleted file mode 100644
index 298de3e1a32d36b9102f5ad64cc1b968f418041b..0000000000000000000000000000000000000000
--- a/doc/source/gserver/evaluators/index.rst
+++ /dev/null
@@ -1,7 +0,0 @@
-Evaluators
-==========
-
-.. toctree::
-  :maxdepth: 3
-
-  evaluators.rst
diff --git a/doc/source/gserver/gradientmachines/gradientmachines.rst b/doc/source/gserver/gradientmachines.rst
similarity index 54%
rename from doc/source/gserver/gradientmachines/gradientmachines.rst
rename to doc/source/gserver/gradientmachines.rst
index 3607664c850cdf4df4e10151b05f15e275adceaf..04c8e91d0316a45ad10b0ed0513d3e8916b7c3d9 100644
--- a/doc/source/gserver/gradientmachines/gradientmachines.rst
+++ b/doc/source/gserver/gradientmachines.rst
@@ -1,18 +1,18 @@
 Gradient Machines
-================
+=================
 
 GradientMachine
----------------------
+---------------
 ..  doxygenclass:: paddle::GradientMachine
     :members:
 
-GradientMachineModel
---------------------
+GradientMachineMode
+-------------------
 ..  doxygenclass:: paddle::IGradientMachineMode
     :members:
 
 MultiGradientMachine
----------------------
+--------------------
 ..  doxygenclass:: paddle::MultiGradientMachine
     :members:
 
@@ -21,20 +21,7 @@ TrainerThread
 ..  doxygenclass:: paddle::TrainerThread
     :members:
 
-Recurrent Gradient Machines
----------------------------
+RecurrentGradientMachine
+------------------------
 ..  doxygenclass:: paddle::RecurrentGradientMachine
     :members:
-
-Networks
-========
-
-NeuralNetwork
--------------
-..  doxygenclass:: paddle::NeuralNetwork
-    :members:
-
-ParallelNeuralNetwork
----------------------
-..  doxygenclass:: paddle::ParallelNeuralNetwork
-    :members:
diff --git a/doc/source/gserver/gradientmachines/index.rst b/doc/source/gserver/gradientmachines/index.rst
deleted file mode 100644
index 997c29a102f53c165c70ff11cd9650b83bcecf44..0000000000000000000000000000000000000000
--- a/doc/source/gserver/gradientmachines/index.rst
+++ /dev/null
@@ -1,7 +0,0 @@
-Gradient Machines Documents
-=============================
-
-.. toctree::
-  :maxdepth: 3
-
-  gradientmachines.rst
diff --git a/doc/source/gserver/index.rst b/doc/source/gserver/index.rst
new file mode 100644
index 0000000000000000000000000000000000000000..223b00b9a9dbf1db40ce702cf0e154e5e53a8644
--- /dev/null
+++ b/doc/source/gserver/index.rst
@@ -0,0 +1,12 @@
+GServer
+=======
+
+.. toctree::
+  :maxdepth: 2
+
+  activations.rst
+  dataproviders.rst
+  evaluators.rst
+  gradientmachines.rst
+  layers.rst
+  neworks.rst
diff --git a/doc/source/gserver/layers/layer.rst b/doc/source/gserver/layers.rst
similarity index 95%
rename from doc/source/gserver/layers/layer.rst
rename to doc/source/gserver/layers.rst
index 4b8e149505f0695ad2fa4be967a50d1a0ac48b43..191b2bdff26ed17437370a12036f9dbb174dae15 100644
--- a/doc/source/gserver/layers/layer.rst
+++ b/doc/source/gserver/layers.rst
@@ -1,6 +1,10 @@
-Base
+======
+Layers
 ======
 
+Base
+====
+
 Layer 
 -----
 ..  doxygenclass:: paddle::Layer
@@ -17,7 +21,7 @@ Operator
     :members:
     
 Data Layer
-===========
+==========
 
 ..  doxygenclass:: paddle::DataLayer
     :members:
@@ -58,6 +62,11 @@ CudnnConvLayer
 ..  doxygenclass:: paddle::CudnnConvLayer
     :members:
 
+ExpandConvBaseLayer
+-------------------
+..  doxygenclass:: paddle::ExpandConvBaseLayer
+    :members:
+
 ExpandConvLayer
 ---------------
 ..  doxygenclass:: paddle::ExpandConvLayer
@@ -86,6 +95,16 @@ CudnnPoolLayer
 ..  doxygenclass:: paddle::CudnnPoolLayer
     :members:
 
+SpatialPyramidPoolLayer
+-----------------------
+..  doxygenclass:: paddle::SpatialPyramidPoolLayer
+    :members:
+
+MaxOutLayer
+-----------
+..  doxygenclass:: paddle::MaxOutLayer
+    :members:
+
 Norm Layers
 ===========
 
@@ -402,6 +421,11 @@ TransLayer
 Sampling Layers
 ===============
 
+BilinearInterpLayer
+-------------------
+..  doxygenclass:: paddle::BilinearInterpLayer
+    :members:
+
 MultinomialSampler
 ------------------
 ..  doxygenclass:: paddle::MultinomialSampler
diff --git a/doc/source/gserver/layers/index.rst b/doc/source/gserver/layers/index.rst
deleted file mode 100644
index 559c5436b10a5977ac347611639b32d43f1ed123..0000000000000000000000000000000000000000
--- a/doc/source/gserver/layers/index.rst
+++ /dev/null
@@ -1,7 +0,0 @@
-Layers Documents
-====================
-
-.. toctree::
-  :maxdepth: 3
-
-  layer.rst
diff --git a/doc/source/gserver/neworks.rst b/doc/source/gserver/neworks.rst
new file mode 100644
index 0000000000000000000000000000000000000000..73fb60d549cc88f61d2e2d18c9ec31c37cf4fa9a
--- /dev/null
+++ b/doc/source/gserver/neworks.rst
@@ -0,0 +1,12 @@
+Networks
+========
+
+NeuralNetwork
+-------------
+..  doxygenclass:: paddle::NeuralNetwork
+    :members:
+
+ParallelNeuralNetwork
+---------------------
+..  doxygenclass:: paddle::ParallelNeuralNetwork
+    :members:
diff --git a/doc/source/index.md b/doc/source/index.md
deleted file mode 100644
index 55fcdeb3dfcedd8589bf7986682708a957c05746..0000000000000000000000000000000000000000
--- a/doc/source/index.md
+++ /dev/null
@@ -1,49 +0,0 @@
-# Source Code Documents
-
-## cuda
-
-- [CUDA](cuda/cuda/index.rst)
-- [Matrix](cuda/matrix/index.rst)
-- [RNN](cuda/rnn/index.rst)
-- [Utils](cuda/utils/index.rst)
-
-## gserver
-
-- [Activations](gserver/activations/index.rst)
-- [Data Providers](gserver/dataprovider/index.rst)
-- [Evaluators](gserver/evaluators/index.rst)
-- [Gradient Machines](gserver/gradientmachines/index.rst)
-- [Layers](gserver/layers/index.rst)
-
-## math
-
-- [Matrix](math/matrix/index.rst)
-- [Utils](math/utils/index.rst)
-
-## parameter
-
-- [Parameter](parameter/parameter/index.rst)
-- [Update](parameter/update/index.rst)
-- [Optimizer](parameter/optimizer/index.rst)
-
-## pserver
-
-- [Client](pserver/client/index.rst)
-- [Network](pserver/network/index.rst)
-- [Server](pserver/server/index.rst)
-
-## trainer
-
-- [Trainer](trainer/trainer.rst)
-
-## api
-
-- [API](api/api.rst)
-
-## utils
-
-- [CustomStackTrace](utils/customStackTrace.rst)
-- [Enumeration wrapper](utils/enum.rst)
-- [Lock](utils/lock.rst)
-- [Queue](utils/queue.rst)
-- [Thread](utils/thread.rst)
diff --git a/doc/source/index.rst b/doc/source/index.rst
new file mode 100644
index 0000000000000000000000000000000000000000..36323c888ee65147f59f28160dc26ca29235ba63
--- /dev/null
+++ b/doc/source/index.rst
@@ -0,0 +1,14 @@
+Source Code Documents
+=====================
+
+.. toctree::
+  :maxdepth: 1
+
+  gserver/index.rst
+  trainer.rst
+  parameter/index.rst
+  pserver/index.rst
+  api.rst
+  cuda/index.rst
+  math/index.rst
+  utils/index.rst
diff --git a/doc/source/math/functions.rst b/doc/source/math/functions.rst
new file mode 100644
index 0000000000000000000000000000000000000000..aef12e0f005226c6d40d74d0e858a11585339758
--- /dev/null
+++ b/doc/source/math/functions.rst
@@ -0,0 +1,10 @@
+Functions
+=========
+
+MathFunctions
+-------------
+.. doxygenfile:: paddle/math/MathFunctions.h
+
+SIMDFunctions
+-------------
+.. doxygenfile:: paddle/math/SIMDFunctions.h
diff --git a/doc/source/math/index.rst b/doc/source/math/index.rst
new file mode 100644
index 0000000000000000000000000000000000000000..2ec16f2b4450c870f9590aea4ad4ca7dc415b75d
--- /dev/null
+++ b/doc/source/math/index.rst
@@ -0,0 +1,10 @@
+Math
+====
+
+.. toctree::
+  :maxdepth: 2
+
+  vector.rst
+  matrix.rst
+  functions.rst
+  utils.rst
diff --git a/doc/source/math/matrix.rst b/doc/source/math/matrix.rst
new file mode 100644
index 0000000000000000000000000000000000000000..9bb20f618d229e1baea15e26378bf40d7c6e1783
--- /dev/null
+++ b/doc/source/math/matrix.rst
@@ -0,0 +1,76 @@
+Matrix
+======
+
+Base
+----
+
+BaseMatrix Template
+```````````````````
+..  doxygenclass:: paddle::BaseMatrixT
+    :members:
+
+Matrix
+``````
+..  doxygenclass:: paddle::Matrix
+    :members:
+
+MatrixOffset
+````````````
+..  doxygenclass:: paddle::MatrixOffset
+    :members:
+
+CpuMatrix
+---------
+
+CpuMatrix
+`````````
+..  doxygenclass:: paddle::CpuMatrix
+    :members:
+
+SharedCpuMatrix
+```````````````
+..  doxygenclass:: paddle::SharedCpuMatrix
+    :members:
+
+GpuMatrix
+---------
+..  doxygenclass:: paddle::GpuMatrix
+    :members:
+
+CpuSparseMatrix
+---------------
+
+CpuSparseMatrix
+```````````````
+..  doxygenclass:: paddle::CpuSparseMatrix
+    :members:
+
+SparseRowCpuMatrix
+``````````````````
+..  doxygenclass:: paddle::SparseRowCpuMatrix
+    :members:
+
+SparseAutoGrowRowCpuMatrix
+``````````````````````````
+..  doxygenclass:: paddle::SparseAutoGrowRowCpuMatrix
+    :members:
+
+SparsePrefetchRowCpuMatrix
+``````````````````````````
+..  doxygenclass:: paddle::SparsePrefetchRowCpuMatrix
+    :members:
+
+SparseRowIdsCpuMatrix
+`````````````````````
+..  doxygenclass:: paddle::SparseRowIdsCpuMatrix
+    :members:
+
+CacheRowCpuMatrix
+`````````````````
+..  doxygenclass:: paddle::CacheRowCpuMatrix
+    :members:
+
+GpuSparseMatrix
+---------------
+..  doxygenclass:: paddle::GpuSparseMatrix
+    :members:
diff --git a/doc/source/math/matrix/index.rst b/doc/source/math/matrix/index.rst
deleted file mode 100644
index 68410f2a27b68c87087f2c17de351495ac6a6cd0..0000000000000000000000000000000000000000
--- a/doc/source/math/matrix/index.rst
+++ /dev/null
@@ -1,7 +0,0 @@
-Matrix Documents
-====================
-
-.. toctree::
-  :maxdepth: 3
-
-  matrix.rst
diff --git a/doc/source/math/matrix/matrix.rst b/doc/source/math/matrix/matrix.rst
deleted file mode 100644
index b12e3934f4705d4a2b7d3d790873701ddfe27d9f..0000000000000000000000000000000000000000
--- a/doc/source/math/matrix/matrix.rst
+++ /dev/null
@@ -1,20 +0,0 @@
-Matrix
-=======
-
-Base
---------
-.. doxygenfile:: paddle/math/BaseMatrix.h
-
-Sparse Matrix
-----------------
-.. doxygenfile:: paddle/math/Matrix.h
-.. doxygenfile:: paddle/math/Vector.h
-.. doxygenfile:: paddle/math/MathUtils.h
-.. doxygenfile:: paddle/math/SparseMatrix.h
-.. doxygenfile:: paddle/math/SparseRowMatrix.h
-.. doxygenfile:: paddle/math/CpuSparseMatrix.h
-
-Others
-----------
-.. doxygenfile:: paddle/math/MathFunctions.h
-.. doxygenfile:: paddle/math/SIMDFunctions.h
diff --git a/doc/source/math/utils/utils.rst b/doc/source/math/utils.rst
similarity index 62%
rename from doc/source/math/utils/utils.rst
rename to doc/source/math/utils.rst
index 3df721a47b93bce950185f2d6ffe22d4a801af30..55d9961a390c205563a9ae4fbd87ac4ae90fc314 100644
--- a/doc/source/math/utils/utils.rst
+++ b/doc/source/math/utils.rst
@@ -1,9 +1,18 @@
-Utils
-=======
+Memory Manager
+==============
 
 Memory Handle
---------------
+-------------
 .. doxygenfile:: paddle/math/MemoryHandle.h
+
+Allocator
+---------
 .. doxygenfile:: paddle/math/Allocator.h
+
+PoolAllocator
+`````````````
 .. doxygenfile:: paddle/math/PoolAllocator.h
+
+Storage
+-------
 .. doxygenfile:: paddle/math/Storage.h
diff --git a/doc/source/math/utils/index.rst b/doc/source/math/utils/index.rst
deleted file mode 100644
index e5fe335da29b957706ed52662682d11c425e5908..0000000000000000000000000000000000000000
--- a/doc/source/math/utils/index.rst
+++ /dev/null
@@ -1,7 +0,0 @@
-Utils Documents
-====================
-
-.. toctree::
-  :maxdepth: 3
-
-  utils.rst
diff --git a/doc/source/math/vector.rst b/doc/source/math/vector.rst
new file mode 100644
index 0000000000000000000000000000000000000000..07f7062abaf4f30b8967b594f4e16ab881f5414f
--- /dev/null
+++ b/doc/source/math/vector.rst
@@ -0,0 +1,37 @@
+Vector
+======
+
+BaseVector
+``````````
+..  doxygenclass:: paddle::BaseVector
+    :members:
+
+Vector Template
+```````````````
+..  doxygenclass:: paddle::VectorT
+    :members:
+
+CpuVector Template
+``````````````````
+..  doxygenclass:: paddle::CpuVectorT
+    :members:
+
+GpuVector Template
+``````````````````
+..  doxygenclass:: paddle::GpuVectorT
+    :members:
+
+ParallelCpuVector Template
+``````````````````````````
+..  doxygenclass:: paddle::ParallelCpuVectorT
+    :members:
+
+ParallelGpuVector Template
+``````````````````````````
+..  doxygenclass:: paddle::ParallelGpuVectorT
+    :members:
+
+CpuGpuVector Template
+`````````````````````
+..  doxygenclass:: paddle::CpuGpuVectorT
+    :members:
diff --git a/doc/source/parameter/index.rst b/doc/source/parameter/index.rst
new file mode 100644
index 0000000000000000000000000000000000000000..3bf6948dc3478574d8d125d8461235f8827e4e42
--- /dev/null
+++ b/doc/source/parameter/index.rst
@@ -0,0 +1,9 @@
+Parameter
+=========
+
+.. toctree::
+  :maxdepth: 2
+
+  parameter.rst
+  optimizer.rst
+  updater.rst
diff --git a/doc/source/parameter/optimizer.rst b/doc/source/parameter/optimizer.rst
new file mode 100644
index 0000000000000000000000000000000000000000..b5b8b850b349d547c9e5508d3ebec3d7e00ea310
--- /dev/null
+++ b/doc/source/parameter/optimizer.rst
@@ -0,0 +1,22 @@
+Optimizer
+=========
+
+ParameterOptimizer
+------------------
+.. doxygenfile:: paddle/parameter/ParameterOptimizer.h
+
+Regularizer
+-----------
+.. doxygenfile:: paddle/parameter/Regularizer.h
+
+FirstOrderOptimizer
+-------------------
+.. doxygenfile:: paddle/parameter/FirstOrderOptimizer.h
+
+AverageOptimizer
+----------------
+.. doxygenfile:: paddle/parameter/AverageOptimizer.h
+
+OptimizerWithRegularizer
+------------------------
+.. doxygenfile:: paddle/parameter/OptimizerWithRegularizer.h
diff --git a/doc/source/parameter/optimizer/index.rst b/doc/source/parameter/optimizer/index.rst
deleted file mode 100644
index 3338af5608a03ee853e3a5f16d2483b810215514..0000000000000000000000000000000000000000
--- a/doc/source/parameter/optimizer/index.rst
+++ /dev/null
@@ -1,7 +0,0 @@
-Parameter Documents
-====================
-
-.. toctree::
-  :maxdepth: 3
-
-  optimizer.rst
diff --git a/doc/source/parameter/optimizer/optimizer.rst b/doc/source/parameter/optimizer/optimizer.rst
deleted file mode 100644
index 3d9e49217eb17541c14d8d64715278e62c99d2b4..0000000000000000000000000000000000000000
--- a/doc/source/parameter/optimizer/optimizer.rst
+++ /dev/null
@@ -1,7 +0,0 @@
-Optimizer
-============
-
-.. doxygenfile:: paddle/parameter/FirstOrderOptimizer.h
-.. doxygenfile:: paddle/parameter/AverageOptimizer.h
-.. doxygenfile:: paddle/parameter/ParameterOptimizer.h
-.. doxygenfile:: paddle/parameter/OptimizerWithRegularizer.h
diff --git a/doc/source/parameter/parameter/parameter.rst b/doc/source/parameter/parameter.rst
similarity index 66%
rename from doc/source/parameter/parameter/parameter.rst
rename to doc/source/parameter/parameter.rst
index 2b7afdb4093753598d73c686b1dc81b970d199d5..2daa62d4e63b952cd93bba35ee32ce35ce768a0d 100644
--- a/doc/source/parameter/parameter/parameter.rst
+++ b/doc/source/parameter/parameter.rst
@@ -1,16 +1,12 @@
 Parameter
-=============
-
-Weight
---------
-.. doxygenfile:: paddle/parameter/Weight.h
-
-Regularizer
-------------
-.. doxygenfile:: paddle/parameter/Regularizer.h
+=========
 
 Parameter
--------------
+---------
 .. doxygenfile:: paddle/parameter/Argument.h
 .. doxygenfile:: paddle/parameter/Parameter.h
 .. doxygenfile:: paddle/parameter/ParallelParameter.h
+
+Weight
+------
+.. doxygenfile:: paddle/parameter/Weight.h
diff --git a/doc/source/parameter/parameter/index.rst b/doc/source/parameter/parameter/index.rst
deleted file mode 100644
index e7ed70ec4c87b3613cd8450f1e7fca1fb974afca..0000000000000000000000000000000000000000
--- a/doc/source/parameter/parameter/index.rst
+++ /dev/null
@@ -1,7 +0,0 @@
-Parameter Documents
-====================
-
-.. toctree::
-  :maxdepth: 3
-
-  parameter.rst
diff --git a/doc/source/parameter/update/index.rst b/doc/source/parameter/update/index.rst
deleted file mode 100644
index 1bbd73319396e7b8ea32c78e0fe3569919bacf2d..0000000000000000000000000000000000000000
--- a/doc/source/parameter/update/index.rst
+++ /dev/null
@@ -1,7 +0,0 @@
-Parameter Documents
-====================
-
-.. toctree::
-  :maxdepth: 3
-
-  update.rst
diff --git a/doc/source/parameter/update/update.rst b/doc/source/parameter/updater.rst
similarity index 75%
rename from doc/source/parameter/update/update.rst
rename to doc/source/parameter/updater.rst
index c417602f0338dbd84ae2bd2ca4eb09330202a0e8..dfa22e8e7d1d6f0713974835de93194d2cc58e6f 100644
--- a/doc/source/parameter/update/update.rst
+++ b/doc/source/parameter/updater.rst
@@ -1,7 +1,14 @@
-Update
-==========
+Updater
+=======
 
+Base
+----
 .. doxygenfile:: paddle/parameter/ParameterUpdaterBase.h
+
+Hook
+----
 .. doxygenfile:: paddle/parameter/ParameterUpdaterHook.h
-.. doxygenfile:: paddle/parameter/ParameterUpdateFunctions.h
 
+Functions
+---------
+.. doxygenfile:: paddle/parameter/ParameterUpdateFunctions.h
diff --git a/doc/source/pserver/client.rst b/doc/source/pserver/client.rst
new file mode 100644
index 0000000000000000000000000000000000000000..e5bba0706a1d919104b85e23861ba490a2c828db
--- /dev/null
+++ b/doc/source/pserver/client.rst
@@ -0,0 +1,12 @@
+Client
+======
+
+BaseClient
+----------
+..  doxygenclass:: paddle::BaseClient
+    :members:
+
+ParameterClient2
+----------------
+..  doxygenclass:: paddle::ParameterClient2
+    :members:
diff --git a/doc/source/pserver/client/client.rst b/doc/source/pserver/client/client.rst
deleted file mode 100644
index fc7ed90d3dc8beb0baa30d63ccc956fbba2a4e4c..0000000000000000000000000000000000000000
--- a/doc/source/pserver/client/client.rst
+++ /dev/null
@@ -1,14 +0,0 @@
-Client
-=========
-
-.. doxygenclass:: paddle::BaseClient
-    :members:
-    :protected-members:
-    :private-members:
-    :undoc-members:
-
-.. doxygenclass:: paddle::ParameterClient2
-    :members:
-    :protected-members:
-    :private-members:
-    :undoc-members:
diff --git a/doc/source/pserver/client/index.rst b/doc/source/pserver/client/index.rst
deleted file mode 100644
index dc924c9ca8e7b9965638fd299dc2f5e78591c91b..0000000000000000000000000000000000000000
--- a/doc/source/pserver/client/index.rst
+++ /dev/null
@@ -1,7 +0,0 @@
-Client Documents
-====================
-
-.. toctree::
-  :maxdepth: 3
-
-  client.rst
diff --git a/doc/source/pserver/index.rst b/doc/source/pserver/index.rst
new file mode 100644
index 0000000000000000000000000000000000000000..0031e9476bd063511cc2f0a8c209f35627cf44ba
--- /dev/null
+++ b/doc/source/pserver/index.rst
@@ -0,0 +1,10 @@
+PServer
+=======
+
+.. toctree::
+  :maxdepth: 2
+
+  client.rst
+  network.rst
+  server.rst
+  utils.rst
diff --git a/doc/source/pserver/network.rst b/doc/source/pserver/network.rst
new file mode 100644
index 0000000000000000000000000000000000000000..7004c9d91fa9f2af11e15791ef682c108761027e
--- /dev/null
+++ b/doc/source/pserver/network.rst
@@ -0,0 +1,27 @@
+Network
+=======
+
+SocketServer
+------------
+..  doxygenclass:: paddle::SocketServer
+    :members:
+
+SocketWorker
+------------
+..  doxygenclass:: paddle::SocketWorker
+    :members:
+
+SocketClient
+------------
+..  doxygenclass:: paddle::SocketClient
+    :members:
+
+SocketChannel
+-------------
+..  doxygenclass:: paddle::SocketChannel
+    :members:
+
+MessageReader
+-------------
+..  doxygenclass:: paddle::MsgReader
+    :members:
diff --git a/doc/source/pserver/network/index.rst b/doc/source/pserver/network/index.rst
deleted file mode 100644
index 2fdf95e17d339d69de8e027d92cbb385e2bd51ec..0000000000000000000000000000000000000000
--- a/doc/source/pserver/network/index.rst
+++ /dev/null
@@ -1,7 +0,0 @@
-Network Documents
-====================
-
-.. toctree::
-  :maxdepth: 3
-
-  network.rst
diff --git a/doc/source/pserver/network/network.rst b/doc/source/pserver/network/network.rst
deleted file mode 100644
index e000ff8dbbdc37e9d638d18d20a8ba53e21dd245..0000000000000000000000000000000000000000
--- a/doc/source/pserver/network/network.rst
+++ /dev/null
@@ -1,42 +0,0 @@
-Network
-==========
-
-Socket Server
-----------------
-.. doxygenclass:: paddle::SocketServer
-    :members:
-    :protected-members:
-    :private-members:
-    :undoc-members:
-
-Socket Worker
-----------------
-.. doxygenclass:: paddle::SocketWorker
-    :members:
-    :protected-members:
-    :private-members:
-    :undoc-members:
-
-Socket Client
-----------------
-.. doxygenclass:: paddle::SocketClient
-    :members:
-    :protected-members:
-    :private-members:
-    :undoc-members:
-
-Socket Channel
----------------
-.. doxygenclass:: paddle::SocketChannel
-    :members:
-    :protected-members:
-    :private-members:
-    :undoc-members:
-
-Message Reader
----------------
-.. doxygenclass:: paddle::MsgReader
-    :members:
-    :protected-members:
-    :private-members:
-    :undoc-members:
diff --git a/doc/source/pserver/server.rst b/doc/source/pserver/server.rst
new file mode 100644
index 0000000000000000000000000000000000000000..35301acf8ffe3d97e6124c37cf8fe1b43071e14e
--- /dev/null
+++ b/doc/source/pserver/server.rst
@@ -0,0 +1,12 @@
+Server
+======
+
+ProtoServer
+-----------
+..  doxygenclass:: paddle::ProtoServer
+    :members:
+
+ParameterServer2
+----------------
+..  doxygenclass:: paddle::ParameterServer2
+    :members:
diff --git a/doc/source/pserver/server/index.rst b/doc/source/pserver/server/index.rst
deleted file mode 100644
index 09e3530bfeaf56ebbadb1694a69a036813e8970f..0000000000000000000000000000000000000000
--- a/doc/source/pserver/server/index.rst
+++ /dev/null
@@ -1,7 +0,0 @@
-Server Documents
-====================
-
-.. toctree::
-  :maxdepth: 3
-
-  server.rst
diff --git a/doc/source/pserver/server/server.rst b/doc/source/pserver/server/server.rst
deleted file mode 100644
index f3110fdd731d246ce4211d05e32ddd98584bdbb7..0000000000000000000000000000000000000000
--- a/doc/source/pserver/server/server.rst
+++ /dev/null
@@ -1,14 +0,0 @@
-Server
-==========
-
-.. doxygenclass:: paddle::ProtoServer
-    :members:
-    :protected-members:
-    :private-members:
-    :undoc-members:
-
-.. doxygenclass:: paddle::ParameterServer2
-    :members:
-    :protected-members:
-    :private-members:
-    :undoc-members:
diff --git a/doc/source/trainer/trainer.rst b/doc/source/trainer.rst
similarity index 94%
rename from doc/source/trainer/trainer.rst
rename to doc/source/trainer.rst
index 12c24597e7f99cd489204602ae25a89d7b960630..85f1feb4fc941f94e65a6b1d037445d2367f65ec 100644
--- a/doc/source/trainer/trainer.rst
+++ b/doc/source/trainer.rst
@@ -14,7 +14,7 @@ RemoteParameterUpdater
     :members:
 
 ConcurrentRemoteParameterUpdater
----------------------------------
+--------------------------------
 
 ..  doxygenclass:: paddle::ConcurrentRemoteParameterUpdater
     :members:
diff --git a/doc/source/utils/customStackTrace.rst b/doc/source/utils/customStackTrace.rst
index a4e6f05a406f33256548fc0ef32bbbf3daff1536..cdc8930739eb4b4d6308ff1fbce170d2977d42e8 100644
--- a/doc/source/utils/customStackTrace.rst
+++ b/doc/source/utils/customStackTrace.rst
@@ -1,9 +1,4 @@
 CustomStackTrace
 ================
-
-
-class CustomStackTrace
-----------------------
-
 ..  doxygenclass:: paddle::CustomStackTrace
     :members:
diff --git a/doc/source/utils/enum.rst b/doc/source/utils/enum.rst
index 17166d35f7cfa63e51058cc5f86165b1e22bbe1e..e0da75afe164f9dab59b862faa7230fc57423e50 100644
--- a/doc/source/utils/enum.rst
+++ b/doc/source/utils/enum.rst
@@ -1,9 +1,3 @@
-enumeration_wrapper
+Enumeration wrapper
 ===================
-
-
-namespace paddle::enumeration_wrapper
--------------------------------------
-
 ..  doxygennamespace:: paddle::enumeration_wrapper
-
diff --git a/doc/source/utils/index.rst b/doc/source/utils/index.rst
new file mode 100644
index 0000000000000000000000000000000000000000..7ddc47d1726f7627852be922d2b769d0752aa799
--- /dev/null
+++ b/doc/source/utils/index.rst
@@ -0,0 +1,11 @@
+Utils
+=====
+
+.. toctree::
+  :maxdepth: 2
+
+  lock.rst
+  queue.rst
+  thread.rst
+  customStackTrace.rst
+  enum.rst
diff --git a/doc/source/utils/lock.rst b/doc/source/utils/lock.rst
index 0b027e403f49fc1720904cf4b502d81e4148e1e3..f011acb9431f0f3dc3b2ba27fcfe71fe6eb07ae9 100644
--- a/doc/source/utils/lock.rst
+++ b/doc/source/utils/lock.rst
@@ -1,37 +1,32 @@
-Thread
-======
+Lock
+====
 
-
-class Thread 
-------------
-
-..  doxygenclass:: paddle::Thread
+RWLock
+------
+..  doxygenclass:: paddle::RWLock
     :members:
 
-
-class ThreadWorker
-------------------
-
-..  doxygenclass:: paddle::ThreadWorker
+ReadLockGuard
+-------------
+..  doxygenclass:: paddle::ReadLockGuard
     :members:
-    
 
-class SyncThreadPool 
---------------------
-
-..  doxygenclass:: paddle::SyncThreadPool 
+SpinLock
+--------
+..  doxygenclass:: paddle::SpinLock
     :members:
-    
-
-class MultiThreadWorker 
------------------------
 
-..  doxygenclass:: paddle::MultiThreadWorker 
+Semaphore
+---------
+..  doxygenclass:: paddle::Semaphore
     :members:
-    
 
-class AsyncThreadPool 
----------------------
+ThreadBarrier
+-------------
+..  doxygenclass:: paddle::ThreadBarrier
+    :members:
 
-..  doxygenclass:: paddle::AsyncThreadPool 
+LockedCondition
+---------------
+..  doxygenclass:: paddle::LockedCondition
     :members:
diff --git a/doc/source/utils/queue.rst b/doc/source/utils/queue.rst
index 72a464ca67288d0d0e24980d59c3bbc85f111081..98192648e2d61e622c2337d10ba024dd676ee685 100644
--- a/doc/source/utils/queue.rst
+++ b/doc/source/utils/queue.rst
@@ -1,16 +1,12 @@
 Queue
 =====
 
-
-class Queue
-------------
-
+Queue
+-----
 ..  doxygenclass:: paddle::Queue
     :members:
 
-
-class BlockingQueue 
--------------------
-
+BlockingQueue 
+-------------
 ..  doxygenclass:: paddle::BlockingQueue 
     :members:
diff --git a/doc/source/utils/thread.rst b/doc/source/utils/thread.rst
index 2eb67dde6a945cc8e250989f7fc8cefed942950e..23d379a9894e5fc22bc6795a480a53d768e608e6 100644
--- a/doc/source/utils/thread.rst
+++ b/doc/source/utils/thread.rst
@@ -1,40 +1,27 @@
-Lock
-====
+Thread
+======
 
-
-class RWLock
-------------
-
-..  doxygenclass:: paddle::RWLock
+Thread 
+------
+..  doxygenclass:: paddle::Thread
     :members:
 
-class ReadLockGuard
--------------------
-
-..  doxygenclass:: paddle::ReadLockGuard
+ThreadWorker
+------------
+..  doxygenclass:: paddle::ThreadWorker
     :members:
 
-class SpinLock
+SyncThreadPool 
 --------------
-
-..  doxygenclass:: paddle::SpinLock
+..  doxygenclass:: paddle::SyncThreadPool 
     :members:
-
-class Semaphore
----------------
-
-..  doxygenclass:: paddle::Semaphore
-    :members:
-
-class ThreadBarrier
--------------------
-
-..  doxygenclass:: paddle::ThreadBarrier
+    
+MultiThreadWorker 
+-----------------
+..  doxygenclass:: paddle::MultiThreadWorker 
     :members:
 
-class LockedCondition
----------------------
-
-..  doxygenclass:: paddle::LockedCondition
+AsyncThreadPool 
+---------------
+..  doxygenclass:: paddle::AsyncThreadPool
     :members:
-