Update README.md

Author: leviding

README.md

@@ -117,10 +117,10 @@ TensorFlow 项目致力于遵守开源软件开发中普遍接受的最佳实践
 
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 [<img src="https://user-images.githubusercontent.com/26959437/37953025-3fa103ae-31d4-11e8-9e55-136b05d7cb96.jpg" width="200px;"/>](https://jizhi.im/index)<br />了解更多人工智能知识请前往[景略集智](https://jizhi.im/index)，想从零开始学习人工智能请前往[景略集智 AI 课堂](https://h5.youzan.com/v2/showcase/homepage?alias=U5eAeeuRD2)。
 
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