i18n(zh-cn): Update 6-islands/2.mdx (withastro#10590)

Co-authored-by: Sarah Rainsberger <[email protected]>
tem235 · Jan 3, 2025 · 0d23265 · 0d23265
1 parent 9d40f8a
commit 0d23265
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/src/content/docs/zh-cn/tutorial/6-islands/2.mdx b/src/content/docs/zh-cn/tutorial/6-islands/2.mdx
@@ -107,7 +107,7 @@ import { Steps } from '@astrojs/starlight/components';
     <script is:inline>
       const theme = (() => {
         if (typeof localStorage !== 'undefined' && localStorage.getItem('theme')) {
-          return localStorage.getItem('theme');
+          return localStorage.getItem('theme') ?? "light";
         }
         if (window.matchMedia('(prefers-color-scheme: dark)').matches) {
           return 'dark';
@@ -131,7 +131,7 @@ import { Steps } from '@astrojs/starlight/components';
         localStorage.setItem("theme", isDark ? "dark" : "light");
       }
 
-      document.getElementById("themeToggle").addEventListener("click", handleToggleClick);
+      document.getElementById("themeToggle")?.addEventListener("click", handleToggleClick);
     </script>
     ```