diff --git a/.gitmodules b/.gitmodules
index 4b11354..a5f2b9b 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -5,3 +5,6 @@
 [submodule "themes/component-projects"]
 	path = themes/component-projects
 	url = https://github.com/hugo-fixit/component-projects.git
+[submodule "themes/hugo-embed-pdf-shortcode"]
+	path = themes/hugo-embed-pdf-shortcode
+	url = https://github.com/anvithks/hugo-embed-pdf-shortcode.git
diff --git a/config/_default/hugo.toml b/config/_default/hugo.toml
index 71b2457..05e62a0 100644
--- a/config/_default/hugo.toml
+++ b/config/_default/hugo.toml
@@ -15,7 +15,8 @@ title = "FlareBlog"
 # Hostname (and path) to the root
 baseURL = "https://www.jamesflare.com/"
 # theme list
-theme = ["FixIt", "component-projects"]
+theme = ["FixIt", "component-projects", "hugo-embed-pdf-shortcode"]
+enableInlineShortcodes = true
 defaultContentLanguage = "en"
 # language code ["en", "zh-CN", "fr", "pl", ...]
 languageCode = "en"
diff --git a/content/en/posts/ecse-1010/lab01/index.md b/content/en/posts/ecse-1010/lab01/index.md
index 736f610..1ff00b1 100644
--- a/content/en/posts/ecse-1010/lab01/index.md
+++ b/content/en/posts/ecse-1010/lab01/index.md
@@ -50,7 +50,7 @@ repost:
 
 ## Lab Document
 
-<embed src= "Lab01.pdf" type="application/pdf" width= "600px" height= "500px" style="display: block; margin: 0 auto;">
+{{< link href="Lab01.pdf" content="Lab01.pdf" title="Download Lab01.pdf" download="Lab01.pdf" card=true >}}
 
 ## 1. Prove Ohm's Law, KCL, and KVL in a Circuit
 
diff --git a/content/zh-cn/posts/ecse-1010/lab01/index.md b/content/zh-cn/posts/ecse-1010/lab01/index.md
index 68ccff0..853b101 100644
--- a/content/zh-cn/posts/ecse-1010/lab01/index.md
+++ b/content/zh-cn/posts/ecse-1010/lab01/index.md
@@ -50,7 +50,7 @@ repost:
 
 ## Lab Document
 
-<embed src= "Lab01.pdf" type="application/pdf" width= "600px" height= "500px" style="display: block; margin: 0 auto;">
+{{< link href="Lab01.pdf" content="Lab01.pdf" title="Download Lab01.pdf" download="Lab01.pdf" card=true >}}
 
 ## 1. 验证欧姆定律、KCL 和 KVL 在电路中的应用
 
diff --git a/themes/hugo-embed-pdf-shortcode b/themes/hugo-embed-pdf-shortcode
new file mode 160000
index 0000000..de797b1
--- /dev/null
+++ b/themes/hugo-embed-pdf-shortcode
@@ -0,0 +1 @@
+Subproject commit de797b1a64f95fffb04324aec0fbc5c16175d75c