diff --git a/assets/js/custom.js b/assets/js/custom.js
new file mode 100644
index 00000000..f012f5cb
--- /dev/null
+++ b/assets/js/custom.js
@@ -0,0 +1,9 @@
+// 引入 Prism.js 的核心 JS
+const prismCore = document.createElement('script');
+prismCore.src = 'https://cdnjs.cloudflare.com/ajax/libs/prism/1.29.0/prism.min.js';
+document.head.appendChild(prismCore);
+
+// 引入 Prism.js Line Numbers 插件的 JS
+const prismLineNumbers = document.createElement('script');
+prismLineNumbers.src = 'https://cdnjs.cloudflare.com/ajax/libs/prism/1.29.0/plugins/line-numbers/prism-line-numbers.min.js';
+document.head.appendChild(prismLineNumbers);