refactor(shop): 调整任务日志输出位置

- 将任务日志输出从函数开头调整到判断任务为空之后
- 优化了日志输出的可读性和时机，确保仅在存在任务时才输出任务信息

shop.py

@@ -186,13 +186,13 @@ async def run(task_type):
     except Exception as e:
         logger.error(f'获取任务失败 --> {e}')
         return
-    logger.info(json.dumps(tasks))
     tasks = tasks.get('data', tasks)
     if type(tasks) == dict:
         tasks = [tasks]
     if not tasks:
         logger.debug('没有任务')
         return
+    logger.info(json.dumps(tasks))
 
     # 使用线程池处理所有任务
     with concurrent.futures.ThreadPoolExecutor(max_workers=OUTER_MAX_WORKERS) as outer_executor: