diff --git a/docs/.vuepress/config.ts b/docs/.vuepress/config.ts
index 405a31db..51122b7b 100644
--- a/docs/.vuepress/config.ts
+++ b/docs/.vuepress/config.ts
@@ -1,5 +1,6 @@
 import { defineUserConfig } from "vuepress";
 import theme from "./theme.js";
+import { mdEnhancePlugin } from "vuepress-plugin-md-enhance";
 
 export default defineUserConfig({
   base: "/",
@@ -7,6 +8,11 @@ export default defineUserConfig({
   lang: "zh-CN",
   title: "NoneBot Bison",
   description: "NoneBot Bison 文档",
+  plugins: [
+    mdEnhancePlugin({
+      mermaid: true,
+    }),
+  ],
 
   theme,
 
diff --git a/docs/dev/cookie.md b/docs/dev/cookie.md
index 61dbc5fc..75470c36 100644
--- a/docs/dev/cookie.md
+++ b/docs/dev/cookie.md
@@ -65,4 +65,33 @@ graph TD
     A[获取订阅] --> B[获取订阅的Cookie]
     B --> C[验证Cookie]
     C --> D[返回Cookie]
+
+```
+
+```mermaid
+
+zenuml
+    title 一份快递是如何投递的
+    Scheduler #661ae6
+    Platform #2b2d30
+    ClientManager #FFEBE6
+    DB #f26522
+    Internet #0747A6
+    @Starter(Scheduler)
+    Scheduler.exec_fetch{
+      Post = Platform.do_fetch_new_post(SubUnit) {
+        Platform.get_sub_list(Target){
+            client = ClientManager.get_client(Target){
+                choose(){
+                    cookies = DB.get_cookies()
+
+                }
+            }
+            res = Internet.client.get(Target)
+            ClientManager.submit_status(){
+                DB.update()
+            }
+        }
+      }
+    }
 ```
diff --git a/package.json b/package.json
index f4fbc76e..82e36da3 100644
--- a/package.json
+++ b/package.json
@@ -15,5 +15,8 @@
     "vue": "^3.5.6",
     "vuepress": "2.0.0-rc.15",
     "vuepress-theme-hope": "2.0.0-rc.52"
+  },
+  "dependencies": {
+    "vuepress-plugin-md-enhance": "2.0.0-rc.57"
   }
 }