diff --git a/docs/好书推荐.md b/docs/好书推荐.md
index 5a9f5b33..cf6be1cb 100644
--- a/docs/好书推荐.md
+++ b/docs/好书推荐.md
@@ -53,4 +53,4 @@
 - [Speech and Language Processing](https://web.stanford.edu/~jurafsky/slp3/)
 - [神经网络与深度学习](https://nndl.github.io/)
 ## 软件工程
-- [Software Engineering at Google]
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+- [Software Engineering at Google](https://abseil.io/resources/swe_at_google.2.pdf)
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