Update app.py

app.py

@@ -475,7 +475,7 @@ def build_demo(args):
     with open("deepseek_vl2/serve/assets/custom.css", "r", encoding="utf-8") as f:
         customCSS = f.read()
 
-    with gr.Blocks(theme=gr.themes.Soft()) as demo:
+    with gr.Blocks(theme=gr.themes.Soft(), delete_cache=(1800, 1800)) as demo:
         history = gr.State([])
         input_text = gr.State()
         input_images = gr.State()