Update ReadMe.md

tensorflow2fluid/doc/ReadMe.md

@@ -57,7 +57,7 @@
 | 52   | [tf.logical_and](https://www.tensorflow.org/api_docs/python/tf/logical_and) | [fluid.layers.logical_and](http://paddlepaddle.org/documentation/docs/zh/1.3/api_cn/layers_cn.html#logical_and) | 功能一致                                                     |
 | 53   | [tf.logical_not](https://www.tensorflow.org/api_docs/python/tf/logical_not) | [fluid.layers.logical_not](http://paddlepaddle.org/documentation/docs/zh/1.3/api_cn/layers_cn.html#logical_not) | 功能一致                                                     |
 | 54   | [tf.logical_or](https://www.tensorflow.org/api_docs/python/tf/logical_or) | [fluid.layers.logical_or](http://paddlepaddle.org/documentation/docs/zh/1.3/api_cn/layers_cn.html#logical_or) | 功能一致                                                     |
-| 55   | [tf.losses.mean_squared_error](https://www.tensorflow.org/api_docs/python/tf/losses/mean_squared_error) | [fluid.layers.square_error_cost](http://paddlepaddle.org/documentation/docs/zh/1.3/api_cn/layers_cn.html#square_error_cost) | [差异对比](https://github.com/PaddlePaddle/X2Paddle/blob/master/tensorflow2fluid/doc/tf.losses.mean_squared_error.md)                                                     |
+| 55   | [tf.losses.mean_squared_error](https://www.tensorflow.org/api_docs/python/tf/losses/mean_squared_error) | [fluid.layers.square_error_cost](http://paddlepaddle.org/documentation/docs/zh/1.3/api_cn/layers_cn.html#square_error_cost) | [差异对比](https://github.com/PaddlePaddle/X2Paddle/blob/master/tensorflow2fluid/doc/tf.losses.mean_and_squared_error.md)                                                     |
 | 56   | [tf.losses.sigmoid_cross_entropy](https://www.tensorflow.org/api_docs/python/tf/losses/sigmoid_cross_entropy) | [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) | [差异对比](https://github.com/PaddlePaddle/X2Paddle/blob/master/tensorflow2fluid/doc/tf.losses.sigmoid_cross_entropy.md) |
 | 57   | [tf.losses.softmax_cross_entropy](https://www.tensorflow.org/api_docs/python/tf/losses/softmax_cross_entropy) | [fluid.layers.softmax_with_cross_entropy](http://paddlepaddle.org/documentation/docs/zh/1.3/api_cn/layers_cn.html#paddle.fluid.layers.softmax_with_cross_entropy) | 功能一致                                                     |
 | 58   | [tf.matmul](https://www.tensorflow.org/api_docs/python/tf/matmul) | [fluid.layers.matmul](http://paddlepaddle.org/documentation/docs/zh/1.3/api_cn/layers_cn.html#matmul) | [差异对比](https://github.com/PaddlePaddle/X2Paddle/blob/master/tensorflow2fluid/doc/tf.matmul.md) |