Update README.md

Modify logo position

README.md

-[![Build Status](https://travis-ci.org/PaddlePaddle/VisualDL.svg?branch=develop)](https://travis-ci.org/PaddlePaddle/VisualDL)
-[![Documentation Status](https://img.shields.io/badge/docs-latest-brightgreen.svg?style=flat)](https://github.com/PaddlePaddle/VisualDL/tree/develop/docs)
-[![Release](https://img.shields.io/github/release/PaddlePaddle/VisualDL.svg)](https://github.com/PaddlePaddle/VisualDL/releases)
-[![License](https://img.shields.io/badge/license-Apache%202-blue.svg)](LICENSE)
-
 <p align="center">
   <img src="/frontend/packages/core/public/images/logo-visualdl.svg" width="60%"/>
 </p>
 
+[![Build Status](https://travis-ci.org/PaddlePaddle/VisualDL.svg?branch=develop)](https://travis-ci.org/PaddlePaddle/VisualDL)
+[![Documentation Status](https://img.shields.io/badge/docs-latest-brightgreen.svg?style=flat)](https://github.com/PaddlePaddle/VisualDL/tree/develop/docs)
+[![Release](https://img.shields.io/github/release/PaddlePaddle/VisualDL.svg)](https://github.com/PaddlePaddle/VisualDL/releases)
+[![License](https://img.shields.io/badge/license-Apache%202-blue.svg)](LICENSE)
 ## 介绍
 VisualDL是一个面向深度学习任务设计的可视化工具，利用丰富的图表展示数据，用户可以更直观、清晰地查看数据的特征与变化趋势，有助于分析数据、及时发现错误，进而改进神经网络模型的设计。