diff --git a/doc/fluid/api/io.rst b/doc/fluid/api/io.rst
index dd9d88b669957c22cd0a07fa4b7e219e2d6e5d61..3e956f8302d261b52f9f76ff8eb4a01f9c6381f8 100644
--- a/doc/fluid/api/io.rst
+++ b/doc/fluid/api/io.rst
@@ -59,3 +59,21 @@ get_inference_program
 ..  autofunction:: paddle.fluid.io.get_inference_program
     :noindex:
 
+save_checkpoint
+---------------
+
+..  autofunction:: paddle.fluid.io.save_checkpoint
+    :noindex:
+
+load_checkpoint
+---------------
+
+..  autofunction:: paddle.fluid.io.load_checkpoint
+    :noindex:
+
+clean_checkpoint
+----------------
+
+..  autofunction:: paddle.fluid.io.clean_checkpoint
+    :noindex:
+
diff --git a/doc/fluid/api/layers.rst b/doc/fluid/api/layers.rst
index 5329adaa18ba3309a1aeda7e24c9d0d3b26ea377..f78e6db3268e44d5f30d83508f07c4ed68106e48 100644
--- a/doc/fluid/api/layers.rst
+++ b/doc/fluid/api/layers.rst
@@ -181,6 +181,12 @@ Print
 ..  autofunction:: paddle.fluid.layers.Print
     :noindex:
 
+is_empty
+--------
+
+..  autofunction:: paddle.fluid.layers.is_empty
+    :noindex:
+
 device
 ======
 
@@ -255,6 +261,19 @@ double_buffer
 ..  autofunction:: paddle.fluid.layers.double_buffer
     :noindex:
 
+random_data_generator
+---------------------
+
+..  autofunction:: paddle.fluid.layers.random_data_generator
+    :noindex:
+
+Preprocessor
+------------
+
+..  autoclass:: paddle.fluid.layers.Preprocessor
+    :members:
+    :noindex:
+
 nn
 ==
 
@@ -594,6 +613,29 @@ roi_pool
 ..  autofunction:: paddle.fluid.layers.roi_pool
     :noindex:
 
+dice_loss
+---------
+
+..  autofunction:: paddle.fluid.layers.dice_loss
+    :noindex:
+
+resize_bilinear
+---------------
+
+..  autofunction:: paddle.fluid.layers.resize_bilinear
+    :noindex:
+
+gather
+------
+
+..  autofunction:: paddle.fluid.layers.gather
+    :noindex:
+
+random_crop
+-----------
+
+..  autofunction:: paddle.fluid.layers.random_crop
+    :noindex:
 
 ops
 ===
@@ -742,6 +784,12 @@ sum
 ..  autofunction:: paddle.fluid.layers.sum
     :noindex:
 
+shape
+-----
+
+..  autofunction:: paddle.fluid.layers.shape
+    :noindex:
+
 sigmoid
 -------
 
@@ -991,27 +1039,3 @@ zeros
 ..  autofunction:: paddle.fluid.layers.zeros
     :noindex:
 
-topk
-----
-
-..  autofunction:: paddle.fluid.layers.topk
-    :noindex:
-
-dice_loss
-----
-
-..  autofunction:: paddle.fluid.layers.dice_loss
-    :noindex:
-
-resize_bilinear
-____
-
-..  autofunction:: paddle.fluid.layers.resize_bilinear
-    :noindex:
-
-gather
-____
-
-..  autofunction:: paddle.fluid.layers.gather
-    :noindex:
-
diff --git a/doc/fluid/api/optimizer.rst b/doc/fluid/api/optimizer.rst
index df2bd2eace52e78805433bea320f5de95d45bfc7..6ad44bb6905b6e3f2b6e4aeb3701ced5d18e2005 100644
--- a/doc/fluid/api/optimizer.rst
+++ b/doc/fluid/api/optimizer.rst
@@ -47,28 +47,6 @@ DecayedAdagrad
     :members:
     :noindex:
 
-Adadelta
------------------
-
-..  autoclass:: paddle.fluid.optimizer.Adadelta
-    :members:
-    :noindex:
-
-RMSProp
------------------
-
-..  autoclass:: paddle.fluid.optimizer.RMSProp
-    :members:
-    :noindex:
-
-ModelAverage
------------------
-
-..  autoclass:: paddle.fluid.optimizer.ModelAverage
-    :members:
-    :noindex:
-
-
 SGDOptimizer
 ------------
 
@@ -111,25 +89,31 @@ DecayedAdagradOptimizer
     :members:
     :noindex:
 
+RMSPropOptimizer
+----------------
 
-AdadeltaOptimizer
------------------
-
-..  autoclass:: paddle.fluid.optimizer.AdadeltaOptimizer
+..  autoclass:: paddle.fluid.optimizer.RMSPropOptimizer
     :members:
     :noindex:
 
+Adadelta
+--------
 
-RMSPropOptimizer
------------------
+..  autoclass:: paddle.fluid.optimizer.Adadelta
+    :members:
+    :noindex:
 
-..  autoclass:: paddle.fluid.optimizer.RMSPropOptimizer
+ModelAverage
+------------
+
+..  autoclass:: paddle.fluid.optimizer.ModelAverage
     :members:
     :noindex:
-    
+
 Optimizer
 ---------
 
 ..  autoclass:: paddle.fluid.optimizer.Optimizer
     :members:
     :noindex:
+
diff --git a/doc/fluid/api/profiler.rst b/doc/fluid/api/profiler.rst
index 74d102dcb0db35766c34e3d14939a8aa5861686b..39fda65863471a78895503184848a754828b71a1 100644
--- a/doc/fluid/api/profiler.rst
+++ b/doc/fluid/api/profiler.rst
@@ -23,3 +23,15 @@ profiler
 ..  autofunction:: paddle.fluid.profiler.profiler
     :noindex:
 
+start_profiler
+--------------
+
+..  autofunction:: paddle.fluid.profiler.start_profiler
+    :noindex:
+
+stop_profiler
+-------------
+
+..  autofunction:: paddle.fluid.profiler.stop_profiler
+    :noindex:
+