diff --git a/doc/doc_ch/ocr_book.md b/doc/doc_ch/ocr_book.md
index 2760494af44e84e8670a36b61fc57ed907d96906..14057130cc9922f28c3bb108696d278ff50a612e 100644
--- a/doc/doc_ch/ocr_book.md
+++ b/doc/doc_ch/ocr_book.md
@@ -20,7 +20,8 @@
 
 
 ## 资料地址
-- [教学视频与notebook教程](https://aistudio.baidu.com/aistudio/education/group/info/25207)
+- [notebook教程](https://github.com/PaddlePaddle/PaddleOCR/tree/dygraph/notebook/notebook_ch)
+- [教学视频与](https://aistudio.baidu.com/aistudio/education/group/info/25207)
 - 中文版电子书下载请扫描以下二维码入群后领取
 <div align="center">
 <img src="https://raw.githubusercontent.com/PaddlePaddle/PaddleOCR/dygraph/doc/joinus.PNG"  width = "200" height = "200" />