Update app.py

app.py

@@ -222,5 +222,18 @@ with gr.Blocks(theme='JohnSmith9982/small_and_pretty', fill_width=True, css=CSS)
 
     gr.Markdown("")
 
+    js_func = """
+    function refresh() {
+        const url = new URL(window.location);
+    
+        if (url.searchParams.get('__theme') !== 'dark') {
+            url.searchParams.set('__theme', 'dark');
+            window.location.href = url.href;
+        }
+    }
+    """
+    
+    with gr.Blocks(js=js_func) as demo:
+
 #demo.queue(default_concurrency_limit=200, max_size=200)
 demo.launch(show_api=False, max_threads=400)