diff --git a/layout/includes/additional-js.pug b/layout/includes/additional-js.pug
index 9e6c8bf..1b62c05 100644
--- a/layout/includes/additional-js.pug
+++ b/layout/includes/additional-js.pug
@@ -55,10 +55,12 @@ div
     else if (!is_post() && page.aside !== false)
       !=partial('includes/third-party/newest-comments/index', {}, {cache:theme.fragment_cache})
 
+  !=fragment_cache('injectBottom', function(){return injectHtml(theme.inject.bottom)})
+
   !=partial('includes/third-party/effect', {}, {cache:theme.fragment_cache})
 
   !=partial('includes/third-party/chat/index', {}, {cache:theme.fragment_cache})
-
+  
   if theme.aplayerInject && theme.aplayerInject.enable
     if theme.pjax.enable || theme.aplayerInject.per_page
       include ./head/aplayer.pug
diff --git a/layout/includes/head.pug b/layout/includes/head.pug
index 62d0db5..cc5fff5 100644
--- a/layout/includes/head.pug
+++ b/layout/includes/head.pug
@@ -81,3 +81,4 @@ include ./head/noscript.pug
 
 !=partial('includes/head/darkmode', {}, {cache:theme.fragment_cache})
 
+!=fragment_cache('injectHead', function(){return injectHtml(theme.inject.head)})
\ No newline at end of file
diff --git a/package.json b/package.json
index 49010f2..ec6fef4 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "hexo-theme-butterfly",
-  "version": "3.3.0-b3",
+  "version": "3.3.0-b4",
   "description": "A Simple and Card UI Design theme for Hexo",
   "main": "package.json",
   "scripts": {
diff --git a/scripts/helpers/page.js b/scripts/helpers/page.js
index 270c166..fd44158 100644
--- a/scripts/helpers/page.js
+++ b/scripts/helpers/page.js
@@ -61,3 +61,12 @@ hexo.extend.helper.register('urlNoIndex', function () {
 hexo.extend.helper.register('md5', function (path) {
   return crypto.createHash('md5').update(decodeURI(this.url_for(path))).digest('hex')
 })
+
+hexo.extend.helper.register('injectHtml', function (data) {
+  let result = ''
+  if (!data) return ''
+  for (let i = 0; i < data.length; i++) {
+    result += data[i]
+  }
+  return result
+})
diff --git a/scripts/injector/inject.js b/scripts/injector/inject.js
deleted file mode 100644
index 069223e..0000000
--- a/scripts/injector/inject.js
+++ /dev/null
@@ -1,22 +0,0 @@
-// Injector
-
-'use strict'
-
-hexo.extend.injector.register('head_end', function () {
-  const data = hexo.config.theme_config && hexo.config.theme_config.inject.head
-  return genResult(data)
-})
-
-hexo.extend.injector.register('body_end', () => {
-  const data = hexo.config.theme_config && hexo.config.theme_config.inject.bottom
-  return genResult(data)
-})
-
-function genResult (data) {
-  let result = ''
-  if (!data) return ''
-  for (let i = 0; i < data.length; i++) {
-    result += data[i]
-  }
-  return result
-}