diff --git a/docs/mastering-tf-1x-zh/README.md b/docs/mastering-tf-1x-zh/README.md
index c39968bcc6dac243fc44b7b7291477e8720b2bca..7ef69864d723eb34bd9d27bef5c3a0151b16c70f 100644
--- a/docs/mastering-tf-1x-zh/README.md
+++ b/docs/mastering-tf-1x-zh/README.md
@@ -3,6 +3,8 @@
 > 原文：[Mastering TensorFlow 1.x](https://b-ok.global/book/3579940/7030da)
 > 
 > 协议：[CC BY-NC-SA 4.0](http://creativecommons.org/licenses/by-nc-sa/4.0/)
+>
+> 阶段：简单校对（2）
 > 
 > 自豪地采用[谷歌翻译](https://translate.google.cn/)
 >