diff --git a/ee/tabby-webserver/src/routes/ui.rs b/ee/tabby-webserver/src/routes/ui.rs
index 86a2c5b24e44..9ad87e9b2d89 100644
--- a/ee/tabby-webserver/src/routes/ui.rs
+++ b/ee/tabby-webserver/src/routes/ui.rs
@@ -30,9 +30,13 @@ where
         match WebAssets::get(decoded_path.as_ref()) {
             Some(content) => {
                 let body = Body::from(content.data);
-                let mime = mime_guess::from_path(path).first_or_octet_stream();
-                Response::builder()
-                    .header(header::CONTENT_TYPE, mime.as_ref())
+                let mime = mime_guess::from_path(&path).first_or_octet_stream();
+                let mut builder =
+                    Response::builder().header(header::CACHE_CONTROL, "public, max-age=604800");
+                if path.ends_with(".html") {
+                    builder = builder.header(header::CONTENT_TYPE, mime.as_ref())
+                };
+                builder
                     .body(body)
                     .unwrap_or_else(|_| panic!("Invalid response"))
             }