Update app.py

app.py

@@ -226,6 +226,14 @@ button.svelte-1lcyrx4[aria-label="user's message: a file of type image/jpeg, "]
 }
 """
 
+js = """function refresh() {
+    const url = new URL(window.location);
+
+    if (url.searchParams.get('__theme') !== 'light') {
+        url.searchParams.set('__theme', 'light');
+        window.location.href = url.href;
+    }
+}"""
 
 demo = gr.ChatInterface(
     fn=chat,
@@ -237,6 +245,7 @@ demo = gr.ChatInterface(
     title="❄️ Vintern-1B-v3.5 Demo ❄️",
     multimodal=True,
     css=CSS,
+    js=js,
     theme='NoCrypt/miku'
 )
 demo.queue().launch()