修复 bug

ruoyi-fastapi-backend/module_admin/controller/ragflow_controller.py

@@ -340,11 +340,17 @@ def stream_ragflow_response(result: Generator, chat_id: str, start_time: float,
         total_time = time.perf_counter() - start_time
         logger.info(f'[RAG_SERVER {time.time():.3f}] ⏱️ Total Stream Duration ({chat_id}): {total_time:.3f}s')
         
-        # 流结束后存储缓存（使用 create_task 确保异步任务被执行）
+        # 流结束后存储缓存
         if cache_store_func and last_answer and len(last_answer.strip()) >= 10:
             try:
-                asyncio.create_task(cache_store_func(last_answer))
-                logger.info(f'[RAG_CACHE] 缓存存储任务已调度 | chat_id={chat_id} | answer_length={len(last_answer)}')
+                import asyncio
+                loop = asyncio.new_event_loop()
+                asyncio.set_event_loop(loop)
+                try:
+                    loop.run_until_complete(cache_store_func(last_answer))
+                    logger.info(f'[RAG_CACHE] 缓存存储完成 | chat_id={chat_id} | answer_length={len(last_answer)}')
+                finally:
+                    loop.close()
             except Exception as cache_err:
                 logger.warning(f'[RAG_CACHE] 缓存存储失败: {cache_err}')