Update ReadMe.md

tensorflow2fluid/doc/ReadMe.md

-# TensorFlow-Fluid功能一致表
+# TensorFlow-Fluid接口对应表
 
 本文档基于TensorFlow v1.12.0梳理了常用API与PaddlePaddle API对应关系和差异分析。根据文档对应关系，有TensorFlow使用经验的用户，可根据对应关系，快速熟悉PaddlePaddle的接口使用 。  
 
@@ -26,7 +26,7 @@
 | 20   | [tf.contrib.layers.softmax](https://www.tensorflow.org/api_docs/python/tf/contrib/layers/softmax) | [fluid.layers.softmax](http://paddlepaddle.org/documentation/docs/zh/1.3/api_cn/layers_cn.html#softmax) | 功能一致                                               |
 | 21   | [tf.contrib.layers.xavier_initializer](https://www.tensorflow.org/api_docs/python/tf/contrib/layers/xavier_initializer) | [fluid.initializer.Xavier](http://paddlepaddle.org/documentation/docs/zh/1.3/api_cn/initializer_cn.html#xavier) | 功能一致                                               |
 | 22   | [tf.contrib.rnn.GRUCell](https://www.tensorflow.org/api_docs/python/tf/contrib/rnn/GRUCell) | [fluid.layers.gru_unit](http://paddlepaddle.org/documentation/docs/zh/1.3/api_cn/layers_cn.html#gru_unit) | [差异对比](tf.contrib.rnn.GRUCell.md)                  |
-| 23   | [tf.contrib.rnn.MultiRNNCell](https://www.tensorflow.org/api_docs/python/tf/contrib/rnn/MultiRNNCell) | -                                                            | [PaddlePaddle实现](tf.nn.rnn_cell.MultiRNNCell.md)     |
+| 23   | [tf.contrib.rnn.MultiRNNCell](https://www.tensorflow.org/api_docs/python/tf/contrib/rnn/MultiRNNCell) | 无相应接口                                                     | [Paddle实现方法](tf.nn.rnn_cell.MultiRNNCell.md)     |
 | 24   | [tf.contrib.rnn.static_rnn](https://www.tensorflow.org/api_docs/python/tf/contrib/rnn/static_rnn) | [fluid.layers.DynamicRNN](http://paddlepaddle.org/documentation/docs/zh/1.3/api_cn/layers_cn.html#dynamicrnn) | 功能一致                                               |
 | 25   | [tf.convert_to_tensor](https://www.tensorflow.org/api_docs/python/tf/convert_to_tensor) | [fluid.layers.assign](http://paddlepaddle.org/documentation/docs/zh/1.3/api_cn/layers_cn.html#assign) | 功能一致                                               |
 | 26   | [tf.cos](https://www.tensorflow.org/api_docs/python/tf/cos)  | [fluid.layers.cos](http://paddlepaddle.org/documentation/docs/zh/1.3/api_cn/layers_cn.html#cos) | 功能一致                                               |
@@ -70,7 +70,7 @@
 | 64   | [tf.multiply](https://www.tensorflow.org/api_docs/python/tf/multiply) | [fluid.layers.elementwise_mul](http://paddlepaddle.org/documentation/docs/zh/1.3/api_cn/layers_cn.html#elementwise_mul) | 功能一致                                               |
 | 65   | [tf.nn.avg_pool](https://www.tensorflow.org/api_docs/python/tf/nn/avg_pool) | [fluid.layers.pool2d](http://paddlepaddle.org/documentation/docs/zh/1.3/api_cn/layers_cn.html#paddle.fluid.layers.pool2d) | [差异对比](tf.nn.avg_pool.md)                          |
 | 66   | [tf.nn.batch_normalization](https://www.tensorflow.org/api_docs/python/tf/nn/batch_normalization) | [fluid.layers.batch_norm](http://paddlepaddle.org/documentation/docs/zh/1.3/api_cn/layers_cn.html#paddle.fluid.layers.batch_norm) | 功能一致                                               |
-| 67   | [tf.nn.bidirectional_dynamic_rnn](https://www.tensorflow.org/api_docs/python/tf/nn/bidirectional_dynamic_rnn) | -                                                            | [PaddlePaddle实现](tf.nn.bidirectional_dynamic_rnn.md) |
+| 67   | [tf.nn.bidirectional_dynamic_rnn](https://www.tensorflow.org/api_docs/python/tf/nn/bidirectional_dynamic_rnn) | 无相应接口                                                     | [Paddle实现方法](tf.nn.bidirectional_dynamic_rnn.md) |
 | 68   | [tf.nn.conv2d](https://www.tensorflow.org/api_docs/python/tf/nn/conv2d) | [fluid.layers.conv2d](http://paddlepaddle.org/documentation/docs/zh/1.3/api_cn/layers_cn.html#paddle.fluid.layers.conv2d) | [差异对比](tf.nn.conv2d.md)                            |
 | 69   | [tf.nn.conv2d_transpose](https://www.tensorflow.org/api_docs/python/tf/nn/conv2d_transpose) | [fluid.layers.conv2d_transpose](http://paddlepaddle.org/documentation/docs/zh/1.3/api_cn/layers_cn.html#paddle.fluid.layers.conv2d_transpose) | [差异对比](tf.nn.conv2d_transpose.md)                  |
 | 70   | [tf.nn.conv3d_transpose](https://www.tensorflow.org/api_docs/python/tf/nn/conv3d_transpose) | [fluid.layers.conv3d_transpose](http://paddlepaddle.org/documentation/docs/zh/1.3/api_cn/layers_cn.html#paddle.fluid.layers.conv2d_transpose) | [差异对比](tf.nn.conv3d_transpose.md)                  |
@@ -84,7 +84,7 @@
 | 78   | [tf.nn.relu](https://www.tensorflow.org/api_docs/python/tf/nn/relu) | [fluid.layers.relu](http://paddlepaddle.org/documentation/docs/zh/1.3/api_cn/layers_cn.html#relu) | 功能一致                                               |
 | 79   | [tf.nn.relu6](https://www.tensorflow.org/api_docs/python/tf/nn/relu6) | [fluid.layers.relu6](http://paddlepaddle.org/documentation/docs/zh/1.3/api_cn/layers_cn.html#paddle.fluid.layers.relu6) | 功能一致                                               |
 | 80   | [tf.nn.rnn_cell.LSTMCell](https://www.tensorflow.org/api_docs/python/tf/nn/rnn_cell/LSTMCell) | [fluid.layers.lstm_unit](http://paddlepaddle.org/documentation/docs/zh/1.3/api_cn/layers_cn.html#lstm_unit) | [差异对比](tf.nn.rnn_cell.LSTMCell.md)                 |
-| 81   | [tf.nn.separable_conv2d](https://www.tensorflow.org/api_docs/python/tf/nn/separable_conv2d) | -                                                            | [PaddlePaddle实现](tf.nn.separable_conv2d.md)          |
+| 81   | [tf.nn.separable_conv2d](https://www.tensorflow.org/api_docs/python/tf/nn/separable_conv2d) | 无相应接口                                                     | [Paddle实现方法](tf.nn.separable_conv2d.md)          |
 | 82   | [tf.nn.sigmoid](https://www.tensorflow.org/api_docs/python/tf/nn/sigmoid) | [fluid.layers.sigmoid](http://paddlepaddle.org/documentation/docs/zh/1.3/api_cn/layers_cn.html#sigmoid) | 功能一致                                               |
 | 83   | [tf.nn.sigmoid_cross_entropy_with_logits](https://www.tensorflow.org/api_docs/python/tf/nn/sigmoid_cross_entropy_with_logits) | [fluid.layers.sigmoid_cross_entropy_with_logits](http://paddlepaddle.org/documentation/docs/zh/1.3/api_cn/layers_cn.html#sigmoid_cross_entropy_with_logits) | 功能一致                                               |
 | 84   | [tf.nn.softmax](https://www.tensorflow.org/api_docs/python/tf/nn/softmax) | [fluid.layers.softmax](http://paddlepaddle.org/documentation/docs/zh/1.3/api_cn/layers_cn.html#softmax) | 功能一致                                               |
@@ -104,7 +104,7 @@
 | 98   | [tf.random_normal_initializer](https://www.tensorflow.org/api_docs/python/tf/random_normal_initializer) | [fluid.initializer.Normal](http://paddlepaddle.org/documentation/docs/zh/1.3/api_cn/initializer_cn.html#normal) | 功能一致                                               |
 | 99   | [tf.random_uniform](https://www.tensorflow.org/api_docs/python/tf/random_uniform) | [fluid.layers.uniform_random](http://paddlepaddle.org/documentation/docs/zh/1.3/api_cn/layers_cn.html#paddle.fluid.layers.uniform_random) | 功能一致                                               |
 | 100  | [tf.random_uniform_initializer](https://www.tensorflow.org/api_docs/python/tf/random_uniform_initializer) | [fluid.initializer.UniformInitializer](http://paddlepaddle.org/documentation/docs/zh/1.3/api_cn/initializer_cn.html#uniforminitializer) | 功能一致                                               |
-| 101  | [tf.reduce_logsumexp](https://www.tensorflow.org/api_docs/python/tf/reduce_logsumexp) | -                                                            | [PaddlePaddle实现](tf.nn.reduce_logsumexp.md)          |
+| 101  | [tf.reduce_logsumexp](https://www.tensorflow.org/api_docs/python/tf/reduce_logsumexp) | 无相应接口                                                     | [Paddle实现方法](tf.nn.reduce_logsumexp.md)          |
 | 102  | [tf.reduce_max](https://www.tensorflow.org/api_docs/python/tf/reduce_max) | [fluid.layers.reduce_max](http://paddlepaddle.org/documentation/docs/zh/1.3/api_cn/layers_cn.html#reduce_max) | 功能一致                                               |
 | 103  | [tf.reduce_mean](https://www.tensorflow.org/api_docs/python/tf/reduce_mean) | [fluid.layers.reduce_mean](http://paddlepaddle.org/documentation/docs/zh/1.3/api_cn/layers_cn.html#reduce_mean) | 功能一致                                               |
 | 104  | [tf.reduce_min](https://www.tensorflow.org/api_docs/python/tf/reduce_min) | [fluid.layers.reduce_min](http://paddlepaddle.org/documentation/docs/zh/1.3/api_cn/layers_cn.html#reduce_min) | 功能一致                                               |
@@ -115,7 +115,7 @@
 | 109  | [tf.reverse_sequence](https://www.tensorflow.org/api_docs/python/tf/reverse_sequence) | [fluid.layers.sequence_reverse](http://paddlepaddle.org/documentation/docs/zh/1.3/api_cn/layers_cn.html#sequence_reverse) | [差异对比](tf.reverse_sequence.md)                     |
 | 110  | [tf.reverse_v2](https://www.tensorflow.org/api_docs/python/tf/reverse_v2) | [fluid.layers.reverse](http://paddlepaddle.org/documentation/docs/zh/1.3/api_cn/layers_cn.html#paddle.fluid.layers.reverse) | 功能一致                                               |
 | 111  | [tf.round](https://www.tensorflow.org/api_docs/python/tf/round) | [fluid.layers.round](http://paddlepaddle.org/documentation/docs/zh/1.3/api_cn/layers_cn.html#paddle.fluid.layers.round) | 功能一致                                               |
-| 112  | [tf.rsqrt](https://www.tensorflow.org/api_docs/python/tf/rsqrt) | -                                                            | [PaddlePaddle实现](tf.math.rsqrt.md)                   |
+| 112  | [tf.rsqrt](https://www.tensorflow.org/api_docs/python/tf/rsqrt) | 无相应接口                                                     | [Paddle实现方法](tf.math.rsqrt.md)                   |
 | 113  | [tf.scalar_mul](https://www.tensorflow.org/api_docs/python/tf/scalar_mul) | [fluid.layers.scale](http://paddlepaddle.org/documentation/docs/zh/1.3/api_cn/layers_cn.html#scale) | 功能一致                                               |
 | 114  | [tf.scatter_update](https://www.tensorflow.org/api_docs/python/tf/scatter_update) | [fluid.layers.scatter](http://paddlepaddle.org/documentation/docs/zh/1.3/api_cn/layers_cn.html#scatter) | [差异对比](tf.scatter_update.md)                       |
 | 115  | [tf.sequence_mask](https://www.tensorflow.org/api_docs/python/tf/sequence_mask) | [fluid.layers.sequence_mask](http://paddlepaddle.org/documentation/docs/zh/1.3/api_cn/layers_cn.html#sequence_mask) | 功能一致                                               |
@@ -127,10 +127,10 @@
 | 121  | [tf.split](https://www.tensorflow.org/api_docs/python/tf/split) | [fluid.layers.split](http://paddlepaddle.org/documentation/docs/zh/1.3/api_cn/layers_cn.html#split) | [差异对比](tf.split.md)                                |
 | 122  | [tf.sqrt](https://www.tensorflow.org/api_docs/python/tf/sqrt) | [fluid.layers.sqrt](http://paddlepaddle.org/documentation/docs/zh/1.3/api_cn/layers_cn.html#sqrt) | 功能一致                                               |
 | 123  | [tf.square](https://www.tensorflow.org/api_docs/python/tf/square) | [fluid.layers.square](http://paddlepaddle.org/documentation/docs/zh/1.3/api_cn/layers_cn.html#paddle.fluid.layers.square) | 功能一致                                               |
-| 124  | [tf.squared_difference](https://www.tensorflow.org/api_docs/python/tf/squared_difference) | -                                                            | [PaddlePaddle实现](tf.squared_difference.md)           |
+| 124  | [tf.squared_difference](https://www.tensorflow.org/api_docs/python/tf/squared_difference) | 无相应接口                                                     | [Paddle实现方法](tf.squared_difference.md)           |
 | 125  | [tf.squeeze](https://www.tensorflow.org/api_docs/python/tf/squeeze) | [fluid.layers.squeeze](http://paddlepaddle.org/documentation/docs/zh/1.3/api_cn/layers_cn.html#squeeze) | 功能一致                                               |
 | 126  | [tf.stack](https://www.tensorflow.org/api_docs/python/tf/stack) | [fluid.layers.stack](http://paddlepaddle.org/documentation/docs/zh/1.3/api_cn/layers_cn.html#stack) | 功能一致                                               |
-| 127  | [tf.stop_gradient](https://www.tensorflow.org/api_docs/python/tf/stop_gradient) | -                                                            | [PaddlePaddle实现](tf.stop_gradient.md)                |
+| 127  | [tf.stop_gradient](https://www.tensorflow.org/api_docs/python/tf/stop_gradient) | 无相应接口                                                     | [Paddle实现方法](tf.stop_gradient.md)                |
 | 128  | [tf.subtract](https://www.tensorflow.org/api_docs/python/tf/subtract) | [fluid.layers.elementwise_sub](http://paddlepaddle.org/documentation/docs/zh/1.3/api_cn/layers_cn.html#paddle.fluid.layers.elementwise_sub) | 功能一致                                               |
 | 129  | [tf.tanh](https://www.tensorflow.org/api_docs/python/tf/tanh) | [fluid.layers.tanh](http://paddlepaddle.org/documentation/docs/zh/1.3/api_cn/layers_cn.html#tanh) | 功能一致                                               |
 | 130  | [tf.tile](https://www.tensorflow.org/api_docs/python/tf/tile) | [fluid.layers.expand](http://paddlepaddle.org/documentation/docs/zh/1.3/api_cn/layers_cn.html#paddle.fluid.layers.expand) | 功能一致                                               |