修复 bug

vite.config.ts

@@ -8,6 +8,23 @@ import { vitePluginManusRuntime } from "vite-plugin-manus-runtime";
 
 const PROJECT_ROOT = import.meta.dirname;
 
+/** Dev: / → i.modern.html; /i.html → UA router entry */
+function vitePluginModernDevEntry(): Plugin {
+  return {
+    name: "modern-dev-entry",
+    apply: "serve",
+    configureServer(server) {
+      server.middlewares.use((req, _res, next) => {
+        const url = (req.url ?? "").split("?")[0];
+        if (url === "/" || url === "/index.html") {
+          req.url = "/i.modern.html";
+        }
+        next();
+      });
+    },
+  };
+}
+
 /** 构建后将统一入口 i.html 复制到 dist/ 根目录 */
 function vitePluginCopyRouterEntry(): Plugin {
   const src = path.resolve(import.meta.dirname, "client", "i.html");
@@ -24,6 +41,7 @@ function vitePluginCopyRouterEntry(): Plugin {
 }
 
 const plugins = [
+  vitePluginModernDevEntry(),
   react(),
   tailwindcss(),
   jsxLocPlugin(),