diff --git a/docs/deb-multimedia.md b/docs/deb-multimedia.md
index 876d8958..471e4162 100644
--- a/docs/deb-multimedia.md
+++ b/docs/deb-multimedia.md
@@ -36,7 +36,7 @@ Debian Old Stable, Stable, Testing, Unstable(sid)
 
 === "Debian {{ release.version }}"
 
-    ```shell
+    ```debsources
     # 默认注释了源码仓库，如有需要可自行取消注释
     deb http://mirrors.ustc.edu.cn/deb-multimedia/ {{ release.codename }} main non-free
     #deb-src http://mirrors.ustc.edu.cn/deb-multimedia/ {{ release.codename }} main non-free
diff --git a/docs/debian-security.md b/docs/debian-security.md
index fd494642..e7e17b22 100644
--- a/docs/debian-security.md
+++ b/docs/debian-security.md
@@ -72,7 +72,7 @@ Debian Old Old Stable, Old Stable, Stable
 
     === "`sources.list` 格式"
 
-        ```shell title="/etc/apt/sources.list"
+        ```debsources title="/etc/apt/sources.list"
         deb http://mirrors.ustc.edu.cn/debian-security/ {{ debian_security }} {{ debian_components }}
         # deb-src http://mirrors.ustc.edu.cn/debian-security/ {{ debian_security }} {{ debian_components }}
         ```
diff --git a/docs/debian.md b/docs/debian.md
index 637f8f05..efddaece 100644
--- a/docs/debian.md
+++ b/docs/debian.md
@@ -66,7 +66,7 @@ Debian Old Old Stable, Old Stable, Stable, Testing, Unstable (sid)
 
     === "`sources.list` 格式"
 
-        ```shell title="/etc/apt/sources.list"
+        ```debsources title="/etc/apt/sources.list"
         # 默认注释了源码仓库，如有需要可自行取消注释
         deb http://mirrors.ustc.edu.cn/debian {{ release.codename }} {{ debian_components }}
         # deb-src http://mirrors.ustc.edu.cn/debian {{ release.codename }} {{ debian_components }}
diff --git a/docs/ubuntu-ports.md b/docs/ubuntu-ports.md
index 863d8713..05b553f6 100644
--- a/docs/ubuntu-ports.md
+++ b/docs/ubuntu-ports.md
@@ -56,7 +56,7 @@ arm64, armhf, PowerPC, ppc64el, s390x
 
     === "`sources.list` 格式"
 
-        ```shell title="/etc/apt/sources.list"
+        ```debsources title="/etc/apt/sources.list"
         # 默认注释了源码仓库，如有需要可自行取消注释
         deb https://mirrors.ustc.edu.cn/ubuntu-ports/ {{ release.codename }} main restricted universe multiverse
         # deb-src https://mirrors.ustc.edu.cn/ubuntu-ports/ {{ release.codename }} main restricted universe multiverse
diff --git a/docs/ubuntu.md b/docs/ubuntu.md
index 7731d5cb..b3360e78 100644
--- a/docs/ubuntu.md
+++ b/docs/ubuntu.md
@@ -96,7 +96,7 @@ Ubuntu 软件源
 
     === "`sources.list` 格式"
 
-        ```shell title="/etc/apt/sources.list"
+        ```debsources title="/etc/apt/sources.list"
         # 默认注释了源码仓库，如有需要可自行取消注释
         deb https://mirrors.ustc.edu.cn/ubuntu/ {{ release.codename }} main restricted universe multiverse
         # deb-src https://mirrors.ustc.edu.cn/ubuntu/ {{ release.codename }} main restricted universe multiverse