diff --git a/content/chapter_01/test2.md b/content/chapter_01/test2.md
index e1a5f75487a12c66e8f12de5a62fa597bb21d85e..8cec86172d404ea7980a9d3266067a072845b876 100644
--- a/content/chapter_01/test2.md
+++ b/content/chapter_01/test2.md
@@ -1,19 +1,7 @@
 ---
-title: "第二个PPT"
+title: "物联网时代的操作系统架构设计"
 weight: 20
 tags: ["1024", "test"]
 ---
 
-Gooooooooood !
-
-
-
-####  测试图片
-
-根目录
-![图片2](chapter_01/test2.files/bg2.png)
-
-相对路径
-![图片2](../test2.files/bg1.png)
-
-
+{{< embed-pdf-view url="chapter_01/test2.files/物联网时代的操作系统架构设计-2020.10.24-pub.pdf" >}}%