diff --git a/package.json b/package.json
index c4bbd5cd96..cc589a7c3c 100644
--- a/package.json
+++ b/package.json
@@ -11,6 +11,7 @@
     "prepare": "husky"
   },
   "dependencies": {
+    "@node-rs/jieba": "^1.7.2",
     "cheerio": "^0.22.0",
     "hexo": "^7.0.0",
     "hexo-clean-css": "^2.0.0",
@@ -25,6 +26,7 @@
     "hexo-tag-embed": "^1.0.0-rc.1",
     "hexo-uglify": "^2.0.0",
     "lunr": "2.3.9",
+    "lunr-languages": "^1.14.0",
     "sharp": "^0.33.1"
   },
   "devDependencies": {
diff --git a/scripts/helpers.js b/scripts/helpers.js
index 1d082fc54b..4cf27e7a1c 100644
--- a/scripts/helpers.js
+++ b/scripts/helpers.js
@@ -5,6 +5,9 @@
 const { basename } = require('path');
 const cheerio = require('cheerio');
 const lunr = require('lunr');
+require('lunr-languages/lunr.stemmer.support.js')(lunr);
+require('lunr-languages/lunr.zh.js')(lunr);
+require('lunr-languages/lunr.multi.js')(lunr);
 const full_url_for = hexo.extend.helper.get('full_url_for').bind(hexo);
 
 const localizedPath = ['docs', 'api'];
@@ -151,6 +154,7 @@ hexo.extend.helper.register('plugin_list', function() {
 
 hexo.extend.helper.register('lunr_index', data => {
   const index = lunr(function() {
+    this.use(lunr.multiLanguage('en', 'zh'));
     this.field('name', {boost: 10});
     this.field('tags', {boost: 50});
     this.field('description');
diff --git a/themes/navy/layout/partial/after_footer.njk b/themes/navy/layout/partial/after_footer.njk
index 55750cda29..af0b54d64b 100644
--- a/themes/navy/layout/partial/after_footer.njk
+++ b/themes/navy/layout/partial/after_footer.njk
@@ -8,6 +8,8 @@
 {% if page.layout === 'plugins' %}
 <!-- Plugin search -->
 <script src="https://cdn.jsdelivr.net/npm/lunr@2.3.9/lunr.min.js"></script>
+<script src="https://cdn.jsdelivr.net/npm/lunr-languages@1.14.0/min/lunr.stemmer.support.min.js"></script>
+<script src="https://cdn.jsdelivr.net/npm/lunr-languages@1.14.0/min/lunr.zh.min.js"></script>
 <!-- Lazy load -->
 <script async src="https://cdn.jsdelivr.net/lazysizes/3.0.0/lazysizes.min.js"></script>
 <!-- build:js build/js/plugins.js -->