diff --git a/files/zh-cn/learn/forms/basic_native_form_controls/index.md b/files/zh-cn/learn/forms/basic_native_form_controls/index.md
index c9ef614eac9906..6a7dcf5144fb3f 100644
--- a/files/zh-cn/learn/forms/basic_native_form_controls/index.md
+++ b/files/zh-cn/learn/forms/basic_native_form_controls/index.md
@@ -253,7 +253,7 @@ _以下截图显示了 macOS 上的 Firefox 71 和 Safair 13 以及 Windows 10 
 
 例如，当你点击这个小部件图像坐标为 (123,456) 的位置时，它将会通过 `get` 方法提交。你可以看到类似的 URL：
 
-```plain
+```url
 http://foo.com?pos.x=123&pos.y=456
 ```
 
diff --git a/files/zh-cn/learn/server-side/django/development_environment/index.md b/files/zh-cn/learn/server-side/django/development_environment/index.md
index 6f400b70efd940..a6bfead71ffedf 100644
--- a/files/zh-cn/learn/server-side/django/development_environment/index.md
+++ b/files/zh-cn/learn/server-side/django/development_environment/index.md
@@ -219,10 +219,10 @@ source ~/.bashrc
 
 此时，你应该能看到一些脚本正在运行，如下所示：
 
-```plain
+```bash
 virtualenvwrapper.user_scripts creating /home/ubuntu/.virtualenvs/premkproject
 virtualenvwrapper.user_scripts creating /home/ubuntu/.virtualenvs/postmkproject
-...
+# …
 virtualenvwrapper.user_scripts creating /home/ubuntu/.virtualenvs/preactivate
 virtualenvwrapper.user_scripts creating /home/ubuntu/.virtualenvs/postactivate
 virtualenvwrapper.user_scripts creating /home/ubuntu/.virtualenvs/get_env_details
diff --git a/files/zh-cn/mozilla/add-ons/webextensions/interact_with_the_clipboard/index.md b/files/zh-cn/mozilla/add-ons/webextensions/interact_with_the_clipboard/index.md
index 1099b357bd8027..b2e42aeb287b47 100644
--- a/files/zh-cn/mozilla/add-ons/webextensions/interact_with_the_clipboard/index.md
+++ b/files/zh-cn/mozilla/add-ons/webextensions/interact_with_the_clipboard/index.md
@@ -70,9 +70,7 @@ browser.alarms.onAlarm.addListener(copy);
 
 这种触发不一定成功，它取决于浏览器是否支持。Firefox 浏览器就不支持该功能，你会在浏览器控制台中看到以下信息：
 
-```plain
-"document.execCommand(‘cut’/‘copy’) was denied because it was not called from inside a short running user-generated event handler."
-```
+`document.execCommand('cut'/'copy') was denied because it was not called from inside a short running user-generated event handler.`
 
 为了能够在这种情形下使用，你需要拥有"clipboardWrite"的权限（ [permission](/zh-CN/docs/Mozilla/Add-ons/WebExtensions/manifest.json/permissions)）。因此，"clipboardWrite"权限能使你不通过临时事件处理程序就可以写入系统粘贴板中。
 
diff --git a/files/zh-cn/mozilla/add-ons/webextensions/manifest.json/permissions/index.md b/files/zh-cn/mozilla/add-ons/webextensions/manifest.json/permissions/index.md
index 43628a8bf0387b..ff132a65dd90fb 100644
--- a/files/zh-cn/mozilla/add-ons/webextensions/manifest.json/permissions/index.md
+++ b/files/zh-cn/mozilla/add-ons/webextensions/manifest.json/permissions/index.md
@@ -53,7 +53,7 @@ slug: Mozilla/Add-ons/WebExtensions/manifest.json/permissions
 
 Firefox 浏览器，自 56 以后的版本，扩展都会自动获取其源的主机权限，如以下形式：
 
-```plain
+```url
 moz-extension://60a20a9b-1ad4-af49-9b6c-c64c98c37920/
 ```
 
diff --git a/files/zh-cn/web/http/status/502/index.md b/files/zh-cn/web/http/status/502/index.md
index e31871d09130b6..4af07b4291c945 100644
--- a/files/zh-cn/web/http/status/502/index.md
+++ b/files/zh-cn/web/http/status/502/index.md
@@ -11,7 +11,7 @@ slug: Web/HTTP/Status/502
 
 ## 状态
 
-```plain
+```http
 502 Bad Gateway
 ```
 
diff --git a/files/zh-cn/web/text_fragments/index.md b/files/zh-cn/web/text_fragments/index.md
index 1e6def99f8ce0f..302854b953cabd 100644
--- a/files/zh-cn/web/text_fragments/index.md
+++ b/files/zh-cn/web/text_fragments/index.md
@@ -30,7 +30,7 @@ slug: Web/Text_fragments
 
 与文档片段行为类似，文本片段被附加到 URL 的哈希符号（`#`）后。但语法有轻微不同：
 
-```plain
+```url
 https://example.com#:~:text=[prefix-,]textStart[,textEnd][,-suffix]
 ```