Update ReadMe.md

caffe2fluid/doc/ReadMe.md

@@ -21,7 +21,7 @@
 | 12   | [ELU](http://caffe.berkeleyvision.org/tutorial/layers/elu.html) | [fluid.layers.elu](http://paddlepaddle.org/documentation/docs/zh/1.3/api_cn/layers_cn.html#permalink-68-elu) | 接口对应                                                     |
 | 13   | [EuclideanLoss](http://caffe.berkeleyvision.org/tutorial/layers/euclideanloss.html) | [fluid.layers.square_error_cost](http://paddlepaddle.org/documentation/docs/zh/1.3/api_cn/layers_cn.html#permalink-167-square_error_cost) | [差异对比](EuclideanLoss.md) |
 | 14   | [Exp](http://caffe.berkeleyvision.org/tutorial/layers/exp.html) | [fluid.layers.exp](http://paddlepaddle.org/documentation/docs/zh/1.3/api_cn/layers_cn.html#permalink-186-exp) | [差异对比](Exp.md) |
-| 15   | [Flatten](http://caffe.berkeleyvision.org/tutorial/layers/flatten.html) | [paddle.fluid.layer.reshape](http://paddlepaddle.org/documentation/docs/zh/1.3/api_cn/layers_cn.html#permalink-72-reshape) | [差异对比](Flatten.md) |
+| 15   | [Flatten](http://caffe.berkeleyvision.org/tutorial/layers/flatten.html) | [fluid.layers.reshape](http://paddlepaddle.org/documentation/docs/zh/1.3/api_cn/layers_cn.html#permalink-72-reshape) | [差异对比](Flatten.md) |
 | 16   | [InnerProduct](http://caffe.berkeleyvision.org/tutorial/layers/innerproduct.html) | [fluid.layers.fc](http://paddlepaddle.org/documentation/docs/zh/1.3/api_cn/layers_cn.html#permalink-71-fc) | [差异对比](InnerProduct.md) |
 | 17   | [Input](http://caffe.berkeleyvision.org/tutorial/layers/input.html) | [fluid.layers.data](http://paddlepaddle.org/documentation/docs/zh/1.3/api_cn/layers_cn.html#permalink-20-data) | [差异对比](Input.md) |
 | 18   | [Log](http://caffe.berkeleyvision.org/tutorial/layers/log.html) | [fluid.layers.log](http://paddlepaddle.org/documentation/docs/zh/1.3/api_cn/layers_cn.html#permalink-93-log) | [差异对比](Log.md) |