Update app.py

Ensure direct access to response.summary_text

app.py

@@ -16,7 +16,8 @@ try:
             try:
                 response = client.summarization(text)
                 print(f"API Response: {response}")
-                return response[0]['summary_text'] if response and 'summary_text' in response[0] else "摘要生成失败，请重试。"
+                # 直接访问 response.summary_text
+                return response.summary_text if hasattr(response, 'summary_text') else "摘要生成失败，请重试。"
             except Exception as e:
                 error_details = traceback.format_exc()
                 print(f"尝试失败，错误类型: {type(e).__name__}, 错误详情: {str(e)}, 堆栈: {error_details}")