Created by: wangkuiyi

I forgot to update Chinese documents in the following PRs

• https://github.com/PaddlePaddle/Paddle/pull/736
• https://github.com/PaddlePaddle/Paddle/pull/723
• https://github.com/PaddlePaddle/Paddle/pull/716
• https://github.com/PaddlePaddle/Paddle/pull/629
• https://github.com/PaddlePaddle/Paddle/pull/697

I will update in the near future.