Update app.py

app.py

@@ -227,7 +227,16 @@ with gr.Blocks(
         primary_hue="sky", 
         secondary_hue="orange", 
         font=["Arial", "sans-serif"]
-    )
+    ), 
+    js="""
+function refresh() {
+    const url = new URL(window.location);
+    if (url.searchParams.get('__theme') !== 'dark') {
+        url.searchParams.set('__theme', 'dark');
+        window.location.href = url.href;
+    }
+}
+"""
 ) as app:
     gr.Markdown(f"""<div style='text-align: center; padding: 20px; color: white;'><h1 style='font-size: 3em; color: #00BFFF;'>📈 Crypto Pulse</h1><p style='font-size: 1.2em; color: #A9A9A9;'>比特幣新聞情緒與價格分析儀表板</p><p style='font-size: 0.9em; color: #888;'>Designed by: {DEVELOPER_NAME}</p></div>""")