diff --git a/docs/computer-system/CPU-Cache-and-Memory-Ordering.pdf b/docs/computer-system/CPU-Cache-and-Memory-Ordering.pdf
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diff --git a/docs/what-should-you-know/每个程序员都应该了解的内存知识.md b/docs/what-should-you-know/每个程序员都应该了解的内存知识.md
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--- a/docs/what-should-you-know/每个程序员都应该了解的内存知识.md
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@@ -313,7 +313,7 @@ PTI通过完全分离用户空间与内核空间页表来解决页表泄露。
 
 ### Cache 读策略
 
-参考：[CPU Cache and Memory Ordering]
+参考：[CPU Cache and Memory Ordering](../computer-system/CPU-Cache-and-Memory-Ordering.pdf)
 
 ![](../images/cache_policy.webp)