diff --git a/doc/index.md b/doc/index.md
index a4dffb0405a6b23c88473307a1d199e3caaadf55..cbd08ba52abe529aec84f6b1c2e35300496878a5 100644
--- a/doc/index.md
+++ b/doc/index.md
@@ -8,7 +8,7 @@ User Guide
 * [Build and Installation](build/index.rst)
 * [Contribute Code](build/contribute_to_paddle.md)
 * [User Interface](ui/index.md)
-* [Model Config Interface](ui/api/trainer_config_helpers/index.md)
+* [Model Config Interface](ui/api/trainer_config_helpers/index.rst)
 * [Example and Demo](demo/index.md)
 * [Cluster Train](cluster/index.md)
 
diff --git a/doc/ui/api/trainer_config_helpers/activations.rst b/doc/ui/api/trainer_config_helpers/activations.rst
index 070ed03ab6cc938f735667701bd46eec33ea77b4..269e6491e7ebe3899c3fb24fca756a393043473b 100644
--- a/doc/ui/api/trainer_config_helpers/activations.rst
+++ b/doc/ui/api/trainer_config_helpers/activations.rst
@@ -1,3 +1,7 @@
+===========
+Activations
+===========
+
 BaseActivation
 ==============
 
@@ -102,4 +106,3 @@ STanhActivation
 ..  automodule:: paddle.trainer_config_helpers.activations
     :members: STanhActivation
     :noindex:
-    
diff --git a/doc/ui/api/trainer_config_helpers/activations_index.rst b/doc/ui/api/trainer_config_helpers/activations_index.rst
deleted file mode 100644
index 1c0b71ab77eec62859c1d7615f6ebe637f3108ac..0000000000000000000000000000000000000000
--- a/doc/ui/api/trainer_config_helpers/activations_index.rst
+++ /dev/null
@@ -1,7 +0,0 @@
-Activations
-===========
-
-.. toctree::
-  :maxdepth: 3
-
-  activations.rst
diff --git a/doc/ui/api/trainer_config_helpers/evaluators.rst b/doc/ui/api/trainer_config_helpers/evaluators.rst
index 0586c9907e472dd98c5f7e9098251f3bc6b88bab..d6a79c13e2316b0fd3d53eb47960a767bcf8abdb 100644
--- a/doc/ui/api/trainer_config_helpers/evaluators.rst
+++ b/doc/ui/api/trainer_config_helpers/evaluators.rst
@@ -1,3 +1,7 @@
+==========
+Evaluators
+==========
+
 Base
 ====
 ..  automodule:: paddle.trainer_config_helpers.evaluators
diff --git a/doc/ui/api/trainer_config_helpers/evaluators_index.rst b/doc/ui/api/trainer_config_helpers/evaluators_index.rst
deleted file mode 100644
index 298de3e1a32d36b9102f5ad64cc1b968f418041b..0000000000000000000000000000000000000000
--- a/doc/ui/api/trainer_config_helpers/evaluators_index.rst
+++ /dev/null
@@ -1,7 +0,0 @@
-Evaluators
-==========
-
-.. toctree::
-  :maxdepth: 3
-
-  evaluators.rst
diff --git a/doc/ui/api/trainer_config_helpers/index.md b/doc/ui/api/trainer_config_helpers/index.md
deleted file mode 100644
index 00fa99bb3fa4c407dc867f91f4c7c495dc4061a1..0000000000000000000000000000000000000000
--- a/doc/ui/api/trainer_config_helpers/index.md
+++ /dev/null
@@ -1,10 +0,0 @@
-# Model Config Interface
-
-* [Optimizer](optimizers_index.rst)
-* [Data Source](data_sources.rst)
-* [Layers](layers_index.rst)
-* [Activations](activations_index.rst)
-* [Poolings](poolings_index.rst)
-* [Networks](networks_index.rst)
-* [Evaluators](evaluators_index.rst)
-* [Parameter and Extra Layer Attribute](attrs.rst)
diff --git a/doc/ui/api/trainer_config_helpers/index.rst b/doc/ui/api/trainer_config_helpers/index.rst
new file mode 100644
index 0000000000000000000000000000000000000000..8395eb75710b3e67ec0c5442f79c999bdacdff42
--- /dev/null
+++ b/doc/ui/api/trainer_config_helpers/index.rst
@@ -0,0 +1,14 @@
+Model Config Interface
+======================
+
+.. toctree::
+  :maxdepth: 1
+
+  optimizers.rst
+  data_sources.rst
+  layers.rst
+  activations.rst 
+  poolings.rst
+  networks.rst
+  evaluators.rst
+  attrs.rst
diff --git a/doc/ui/api/trainer_config_helpers/layers.rst b/doc/ui/api/trainer_config_helpers/layers.rst
index 56b23640205ec8c7575541bd270720fb861457a1..8d297b0cf23acc691718890a47da38f4eff00d0c 100644
--- a/doc/ui/api/trainer_config_helpers/layers.rst
+++ b/doc/ui/api/trainer_config_helpers/layers.rst
@@ -1,3 +1,7 @@
+======
+Layers
+======
+
 Base
 ======
 
@@ -47,7 +51,7 @@ conv_operator
     :noindex:
 
 conv_projection
--------------
+---------------
 ..  automodule:: paddle.trainer_config_helpers.layers
     :members: conv_projection
     :noindex:
diff --git a/doc/ui/api/trainer_config_helpers/layers_index.rst b/doc/ui/api/trainer_config_helpers/layers_index.rst
deleted file mode 100644
index c0daab152148ce769948f600c3101bd79f5a1013..0000000000000000000000000000000000000000
--- a/doc/ui/api/trainer_config_helpers/layers_index.rst
+++ /dev/null
@@ -1,7 +0,0 @@
-Layers
-======
-
-.. toctree::
-  :maxdepth: 3
-
-  layers.rst
diff --git a/doc/ui/api/trainer_config_helpers/networks.rst b/doc/ui/api/trainer_config_helpers/networks.rst
index 2a15b34eaea0b763f992a7225550e6af747f303c..29c52c5ce3078f1755162dbbdd65a059d8ba9fa4 100644
--- a/doc/ui/api/trainer_config_helpers/networks.rst
+++ b/doc/ui/api/trainer_config_helpers/networks.rst
@@ -1,3 +1,9 @@
+========
+Networks
+========
+
+The networks module contains pieces of neural network that combine multiple layers.
+
 NLP
 ===
 
@@ -111,4 +117,3 @@ outputs
 ..  automodule:: paddle.trainer_config_helpers.networks
     :members: outputs
     :noindex:
-
diff --git a/doc/ui/api/trainer_config_helpers/networks_index.rst b/doc/ui/api/trainer_config_helpers/networks_index.rst
deleted file mode 100644
index 17bc4dfaa6c4ed3cd5daf0476d0d4c15a2067a22..0000000000000000000000000000000000000000
--- a/doc/ui/api/trainer_config_helpers/networks_index.rst
+++ /dev/null
@@ -1,9 +0,0 @@
-Networks
-========
-
-The networks module contains pieces of neural network that combine multiple layers.
-
-.. toctree::
-  :maxdepth: 3
-
-  networks.rst
diff --git a/doc/ui/api/trainer_config_helpers/optimizers.rst b/doc/ui/api/trainer_config_helpers/optimizers.rst
index b487fec64c4ebb5cfbdff1aa101d9b3675776a2c..7ca4e34156e273caf66cc71e6927bfb23bb5235e 100644
--- a/doc/ui/api/trainer_config_helpers/optimizers.rst
+++ b/doc/ui/api/trainer_config_helpers/optimizers.rst
@@ -1,3 +1,7 @@
+==========
+Optimizers
+==========
+
 BaseSGDOptimizer
 ================
 ..  automodule:: paddle.trainer_config_helpers.optimizers
@@ -51,4 +55,3 @@ settings
 ..  automodule:: paddle.trainer_config_helpers.optimizers
     :members: settings
     :noindex:
-
diff --git a/doc/ui/api/trainer_config_helpers/optimizers_index.rst b/doc/ui/api/trainer_config_helpers/optimizers_index.rst
deleted file mode 100644
index f39f94f0cd6e1a6c3c25eeceb7820a7fbc070570..0000000000000000000000000000000000000000
--- a/doc/ui/api/trainer_config_helpers/optimizers_index.rst
+++ /dev/null
@@ -1,7 +0,0 @@
-Optimizers
-==========
-
-.. toctree::
-  :maxdepth: 3
-
-  optimizers.rst
diff --git a/doc/ui/api/trainer_config_helpers/poolings.rst b/doc/ui/api/trainer_config_helpers/poolings.rst
index caadec639383aad24ed477d8bdaeaa31c0026bb5..66566809d26f59263597b5286c5b27e0bbc9415a 100644
--- a/doc/ui/api/trainer_config_helpers/poolings.rst
+++ b/doc/ui/api/trainer_config_helpers/poolings.rst
@@ -1,3 +1,7 @@
+========
+Poolings
+========
+
 BasePoolingType
 ===============
 ..  automodule:: paddle.trainer_config_helpers.poolings
@@ -27,4 +31,3 @@ SquareRootNPooling
 ..  automodule:: paddle.trainer_config_helpers.poolings
     :members: SquareRootNPooling
     :noindex:
-
diff --git a/doc/ui/api/trainer_config_helpers/poolings_index.rst b/doc/ui/api/trainer_config_helpers/poolings_index.rst
deleted file mode 100644
index 250d3fa69c0dcedfd689b685fe7b47ec71d02fee..0000000000000000000000000000000000000000
--- a/doc/ui/api/trainer_config_helpers/poolings_index.rst
+++ /dev/null
@@ -1,9 +0,0 @@
-Poolings
-========
-
-These pooling types are used for sequence input, not for images.
-
-.. toctree::
-  :maxdepth: 3
-
-  poolings.rst