diff --git a/next.config.js b/next.config.js
index 5fb982d..7a1b533 100644
--- a/next.config.js
+++ b/next.config.js
@@ -1,9 +1,9 @@
 // next.config.js
 
 module.exports = {
-  // experimental: {
-  //   appDir: true,
-  // },
+  experimental: {
+    // appDir: true,
+  },
   i18n: {
     locales: ["zh", "en"], // post.en.md, post.ja.md
     defaultLocale: "zh", // post.zh.md or post.md
diff --git a/styles/globals.css b/styles/globals.css
index 3c8542e..540b295 100644
--- a/styles/globals.css
+++ b/styles/globals.css
@@ -40,15 +40,15 @@
     @apply px-4;
   }
 
-  code[data-theme*=" "],
-  code[data-theme*=" "] span {
+  code[data-theme],
+  code[data-theme] span {
     color: var(--shiki-light);
     background-color: var(--shiki-light-bg);
   }
 
   @media (prefers-color-scheme: dark) {
-    code[data-theme*=" "],
-    code[data-theme*=" "] span {
+    code[data-theme],
+    code[data-theme] span {
       color: var(--shiki-dark);
       background-color: var(--shiki-dark-bg);
     }