Update model_downloader.py

model_downloader.py

@@ -33,7 +33,7 @@ def download_model_with_retry(model_name, cache_dir, max_retries=100, retry_dela
             if retries < max_retries:
                 logger.info(f"{retry_delay}秒后重试...")
                 time.sleep(retry_delay)
-                retry_delay *= 2  # 指数退避
+                # retry_delay *= 2  # 指数退避
             else:
                 logger.error(f"已达到最大重试次数 {max_retries}，下载失败。")
                 raise