diff --git a/backend/api/src/lib.rs b/backend/api/src/lib.rs
index 71b9ed7..8e057e2 100644
--- a/backend/api/src/lib.rs
+++ b/backend/api/src/lib.rs
@@ -22,7 +22,7 @@ use std::net::{IpAddr, Ipv6Addr, SocketAddr};
 use std::str::FromStr;
 use tower::ServiceBuilder;
 use tower_http::cors::{Any, CorsLayer};
-use tower_http::services::ServeDir;
+use tower_http::services::{ServeDir,ServeFile};
 use tower_http::trace::TraceLayer;
 //use itertools::Itertools;
 use ::entity::entities::{
@@ -273,8 +273,13 @@ pub async fn main() {
             get_service(ServeDir::new(images_dir)).handle_error(handle_error),
         )
         .nest_service(
-            "/",
-            get_service(ServeDir::new(opt.static_dir)).handle_error(handle_error),
+            "/assets",
+            get_service(ServeDir::new(opt.static_dir.clone())).handle_error(handle_error),
+        )
+        .fallback_service(
+            get_service(ServeFile::new( format!("{}/index.html",opt.static_dir))).handle_error(
+                |_| async move { (StatusCode::INTERNAL_SERVER_ERROR, "internal server error") },
+            ),
         )
         //        .merge(SpaRouter::new("/assets", opt.static_dir))
         .layer(auth_layer)