From 7210d0fa95279c8fc9fde09f1d578c0988dcbeb2 Mon Sep 17 00:00:00 2001
From: ying <lcy.seso@gmail.com>
Date: Wed, 24 Jan 2018 16:18:02 +0800
Subject: [PATCH] follow comments.

---
 doc/api/v2/fluid/nets.rst           | 2 +-
 python/paddle/v2/fluid/layers/nn.py | 2 +-
 python/paddle/v2/fluid/nets.py      | 2 +-
 3 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/doc/api/v2/fluid/nets.rst b/doc/api/v2/fluid/nets.rst
index 8af61977ab9..500019bc507 100644
--- a/doc/api/v2/fluid/nets.rst
+++ b/doc/api/v2/fluid/nets.rst
@@ -28,6 +28,6 @@ glu
 
 scaled_dot_product_attention
 ----------------------------
-..  autofunction:: paddle.v2.fluid.nets.dot_product_attention
+..  autofunction:: paddle.v2.fluid.nets.scaled_dot_product_attention
     :noindex:
 
diff --git a/python/paddle/v2/fluid/layers/nn.py b/python/paddle/v2/fluid/layers/nn.py
index 19fee8ec67b..07c4f89da60 100644
--- a/python/paddle/v2/fluid/layers/nn.py
+++ b/python/paddle/v2/fluid/layers/nn.py
@@ -2097,7 +2097,7 @@ def matmul(x, y, transpose_x=False, transpose_y=False, name=None):
         if len(x_shape) == 1:
             x_shape = [1] + x_shape
         if len(y_shape) == 1:
-            y_shape = [1] + y_shape
+            y_shape = y_shape + [1]
 
         # check the inner 2 dimensions
         if transpose_x:
diff --git a/python/paddle/v2/fluid/nets.py b/python/paddle/v2/fluid/nets.py
index e18852c5966..cb63d43709e 100644
--- a/python/paddle/v2/fluid/nets.py
+++ b/python/paddle/v2/fluid/nets.py
@@ -306,7 +306,7 @@ def scaled_dot_product_attention(queries,
                     [bs, max_sequence_length, num_heads * hidden_dim].
         """
 
-        if len(x.shape) == 3: return
+        if len(x.shape) == 3: return x
         if len(x.shape) != 4:
             raise ValueError("Input(x) should be a 4-D Tensor.")
 
-- 
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