oops, forgot to remove a PUBLIC_URL in the service-worker

website/src/service-worker.ts

@@ -50,7 +50,7 @@ registerRoute(
     // Return true to signal that we want to use the handler.
     return true;
   },
-  createHandlerBoundToURL(process.env.PUBLIC_URL + "/index.html")
+  createHandlerBoundToURL("https://dictionary.lingdocs.com" + "/index.html")
 );
 
 // An example runtime caching route for requests that aren't handled by the