Update app.py

app.py

@@ -399,6 +399,18 @@ with gr.Blocks(css="style.css") as demo:
                 queue=False
             )
 
+    demo.load(None,
+          _js="""async () => {
+              let gradioURL = new URL(window.self.location.href);
+              let params = new URLSearchParams(gradioURL.search);
+            
+              if (!params.has('__theme') || params.get('__theme') !== 'dark') {
+                params.set('__theme', 'dark');
+                gradioURL.search = params.toString();
+                window.self.location.replace(gradioURL.toString());
+              }
+          }""")
+
     
 demo.queue()
 demo.launch()