diff --git a/README.md b/README.md
index 5afb81a4ed583b87a87d95030b7fdf6a46952cc4..65fb1452b2a6a9f4a76aacab050a934b30f63007 100644
--- a/README.md
+++ b/README.md
@@ -83,7 +83,7 @@ RT-Thread Smart 是基于 RT-Thread 操作系统上的混合操作系统，简
 
 [内核视频教程](https://www.rt-thread.org/video.html)
 
-[《内核实验手册》](/rt-thread-version/rt-thread-standard/tutorial/experimental-manual/experimental-manual.pdf)
+<a href="./rt-thread-version/rt-thread-standard/tutorial/experimental-manual/experimental-manual.pdf" target="_blank">《内核实验手册》</a>
 
 ### ** 有 RTOS 经验 **
 
diff --git a/other/novice-guide/README.md b/other/novice-guide/README.md
index ed601dd6349798dae9e152e94191e09a8e020db0..977522cf041b4832732f7d6120085e6fdda958fa 100644
--- a/other/novice-guide/README.md
+++ b/other/novice-guide/README.md
@@ -82,7 +82,7 @@ RT-Thread Smart 是基于 RT-Thread 操作系统上的混合操作系统，简
 
 [内核视频教程](https://www.rt-thread.org/video.html)
 
-[《内核实验手册》](/rt-thread-version/rt-thread-standard/tutorial/experimental-manual/experimental-manual.pdf)
+<a href="./rt-thread-version/rt-thread-standard/tutorial/experimental-manual/experimental-manual.pdf" target="_blank">《内核实验手册》</a>
 
 ### ** 有 RTOS 经验 **