Update app.py

app.py

@@ -64,4 +64,8 @@ output = query(input_text)
 with open("output.txt", "w") as f:
     f.write(output)
 
-print("Generated Summary saved to output.txt")
+print("Generated Summary saved to output.txt")
+
+# 无限循环保持应用运行，避免退出
+while True:
+    pass