diff --git a/src/code/demos/enUS/index.demo-entry.md b/src/code/demos/enUS/index.demo-entry.md
index be6da991f..e269ce934 100644
--- a/src/code/demos/enUS/index.demo-entry.md
+++ b/src/code/demos/enUS/index.demo-entry.md
@@ -18,9 +18,9 @@ The following code shows how to set hljs of Code. Importing highlight.js on dema
 <script>
   import { defineComponent } from 'vue'
   import hljs from 'highlight.js/lib/core'
-  import cpp from 'highlight.js/lib/languages/cpp'
+  import javascript from 'highlight.js/lib/languages/javascript'
 
-  hljs.registerLanguage('cpp', cpp)
+  hljs.registerLanguage('javascript', javascript)
 
   export default defineComponent({
     setup() {
diff --git a/src/code/demos/zhCN/index.demo-entry.md b/src/code/demos/zhCN/index.demo-entry.md
index 64fd888a2..e19937672 100644
--- a/src/code/demos/zhCN/index.demo-entry.md
+++ b/src/code/demos/zhCN/index.demo-entry.md
@@ -18,9 +18,9 @@
 <script>
   import { defineComponent } from 'vue'
   import hljs from 'highlight.js/lib/core'
-  import cpp from 'highlight.js/lib/languages/cpp'
+  import javascript from 'highlight.js/lib/languages/javascript'
 
-  hljs.registerLanguage('cpp', cpp)
+  hljs.registerLanguage('javascript', javascript)
 
   export default defineComponent({
     setup() {