Update README.zh.md (#580)

* Update README.zh.md

* Update README.en.md

README.en.md

@@ -301,6 +301,7 @@ For full reproduction of paper results, please checkout to `repro` branch of thi
 
 ### Communication
 
+- [ERNIE homepage](https://wenxin.baidu.com/)
 - [Github Issues](https://github.com/PaddlePaddle/ERNIE/issues): bug reports, feature requests, install issues, usage issues, etc.
 - QQ discussion group: 760439550 (ERNIE discussion group).
 - QQ discussion group: 958422639 (ERNIE discussion group-v2).

README.zh.md

@@ -304,7 +304,7 @@ ids = np.expand_dims(ids, -1) # ids.shape==[BATCH, SEQLEN, 1]
 若希望复现 paper 中的所有实验，请切换至本repo的`repro`分支。
 
 ### 讨论组
-- [ERNIE官方主页](https://www.paddlepaddle.org.cn/ernie)
+- [ERNIE官方主页](https://wenxin.baidu.com/)
 - [Github Issues](https://github.com/PaddlePaddle/ERNIE/issues): bug reports, feature requests, install issues, usage issues, etc.
 - QQ 群: 760439550 (ERNIE discussion group).
 - QQ 2群: 958422639 (ERNIE discussion group-v2).