'x'

app/components/SetLangAttr.tsx

@@ -0,0 +1,17 @@
+"use client";
+
+import { useEffect } from "react";
+import { useLocale } from "@/i18n/navigation";
+
+/**
+ * 根据当前 locale 设置 document.documentElement.lang，以支持无障碍与 SEO
+ */
+export default function SetLangAttr() {
+  const locale = useLocale();
+
+  useEffect(() => {
+    document.documentElement.lang = locale === "zh" ? "zh-CN" : "en";
+  }, [locale]);
+
+  return null;
+}