diff --git a/config.ts b/config.ts
index b072f56..ef2411f 100644
--- a/config.ts
+++ b/config.ts
@@ -25,6 +25,7 @@ export type ConfigType = {
     img_verify_secret?: string;
     meili_hosts?: Record<string, string>;
     cors_credentials_hosts: Array<string>;
+    flutter_frontend?: string;
 };
 
 export enum ThumbnailMethod {
@@ -160,6 +161,9 @@ export class Config {
         }
         return [];
     }
+    get flutter_frontend() {
+        return this._return_string("flutter_frontend");
+    }
     to_json(): ConfigType {
         return {
             cookies: typeof this.cookies === "string",
@@ -185,6 +189,7 @@ export class Config {
             img_verify_secret: this.img_verify_secret,
             meili_hosts: this.meili_hosts,
             cors_credentials_hosts: this.cors_credentials_hosts,
+            flutter_frontend: this.flutter_frontend,
         };
     }
 }
diff --git a/fresh.gen.ts b/fresh.gen.ts
index a61cb3b..ad3c604 100644
--- a/fresh.gen.ts
+++ b/fresh.gen.ts
@@ -23,10 +23,11 @@ import * as $17 from "./routes/api/token.ts";
 import * as $18 from "./routes/api/user.ts";
 import * as $19 from "./routes/file/[id].ts";
 import * as $20 from "./routes/file/_middleware.ts";
-import * as $21 from "./routes/index.tsx";
-import * as $22 from "./routes/manifest.json.ts";
-import * as $23 from "./routes/thumbnail/[id].ts";
-import * as $24 from "./routes/thumbnail/_middleware.ts";
+import * as $21 from "./routes/flutter/_middleware.ts";
+import * as $22 from "./routes/index.tsx";
+import * as $23 from "./routes/manifest.json.ts";
+import * as $24 from "./routes/thumbnail/[id].ts";
+import * as $25 from "./routes/thumbnail/_middleware.ts";
 import * as $$0 from "./islands/Container.tsx";
 import * as $$1 from "./islands/Settings.tsx";
 import * as $$2 from "./islands/TaskManager.tsx";
@@ -54,10 +55,11 @@ const manifest = {
         "./routes/api/user.ts": $18,
         "./routes/file/[id].ts": $19,
         "./routes/file/_middleware.ts": $20,
-        "./routes/index.tsx": $21,
-        "./routes/manifest.json.ts": $22,
-        "./routes/thumbnail/[id].ts": $23,
-        "./routes/thumbnail/_middleware.ts": $24,
+        "./routes/flutter/_middleware.ts": $21,
+        "./routes/index.tsx": $22,
+        "./routes/manifest.json.ts": $23,
+        "./routes/thumbnail/[id].ts": $24,
+        "./routes/thumbnail/_middleware.ts": $25,
     },
     islands: {
         "./islands/Container.tsx": $$0,
diff --git a/routes/flutter/_middleware.ts b/routes/flutter/_middleware.ts
new file mode 100644
index 0000000..5ebb4ec
--- /dev/null
+++ b/routes/flutter/_middleware.ts
@@ -0,0 +1,25 @@
+import { MiddlewareHandlerContext } from "$fresh/server.ts";
+import { get_task_manager } from "../../server.ts";
+import { join } from "std/path/mod.ts";
+import { exists } from "std/fs/exists.ts";
+import {
+    get_file_response,
+    GetFileResponseOptions,
+} from "../../server/get_file_response.ts";
+
+export async function handler(req: Request, _ctx: MiddlewareHandlerContext) {
+    const m = get_task_manager();
+    if (!m.cfg.flutter_frontend) {
+        return new Response("Flutter frontend is not enabled", { status: 404 });
+    }
+    const u = new URL(req.url);
+    let p = join(m.cfg.flutter_frontend, u.pathname);
+    if (!(await exists(p))) {
+        p = join(m.cfg.flutter_frontend, "/index.html");
+    }
+    const opts: GetFileResponseOptions = {};
+    opts.range = req.headers.get("range");
+    opts.if_modified_since = req.headers.get("If-Modified-Since");
+    opts.if_unmodified_since = req.headers.get("If-Unmodified-Since");
+    return await get_file_response(p, opts);
+}