diff --git a/docs/.vuepress/config.js b/docs/.vuepress/config.js
index 6f81736..740c34b 100644
--- a/docs/.vuepress/config.js
+++ b/docs/.vuepress/config.js
@@ -2,8 +2,9 @@ module.exports = {
   title: "PHP程序员的FreeSWITCH开发文档",
   description: "一个PHP程序在做FreeSWITCH相关的应用开发时积累的技术文档",
   dest: "dist",
+  plugins: ["@vuepress/back-to-top"],
   themeConfig: {
-    lastUpdated: '上次更新',
+    lastUpdated: "上次更新",
     displayAllHeaders: false,
     sidebar: [
       {
@@ -85,5 +86,5 @@ module.exports = {
         sidebarDepth: 0, // 可选的, 默认值是 1
       },
     ],
-  }
+  },
 };
diff --git a/package.json b/package.json
index dc8cfb6..a74099e 100644
--- a/package.json
+++ b/package.json
@@ -6,6 +6,7 @@
   "author": "wandoubaba",
   "license": "MIT",
   "devDependencies": {
+    "@vuepress/plugin-back-to-top": "^1.9.9",
     "vuepress": "^1.9.9"
   },
   "scripts": {
diff --git a/yarn.lock b/yarn.lock
index 35d85d0..278e3ff 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1477,6 +1477,14 @@
     "@vuepress/types" "1.9.9"
     lodash.debounce "^4.0.8"
 
+"@vuepress/plugin-back-to-top@^1.9.9":
+  version "1.9.9"
+  resolved "https://registry.yarnpkg.com/@vuepress/plugin-back-to-top/-/plugin-back-to-top-1.9.9.tgz#eedd5b08e11790cd994636b458188fd40205e967"
+  integrity sha512-8bNsdZ0Dr96OdcoJ67dxCx1ysXpeTHma8w+YSsqBJoWGEOucBr0nW9oaDH85yoOtpiriWBlhUO32/Q0ojJtMfA==
+  dependencies:
+    "@vuepress/types" "1.9.9"
+    lodash.debounce "^4.0.8"
+
 "@vuepress/plugin-last-updated@1.9.9":
   version "1.9.9"
   resolved "https://registry.yarnpkg.com/@vuepress/plugin-last-updated/-/plugin-last-updated-1.9.9.tgz#a7cb5f39b2793c8d113de08a514c316c26cc38c1"