diff --git a/server/utils/oss_uploader.py b/server/utils/oss_uploader.py
index e8e552f..b090970 100644
--- a/server/utils/oss_uploader.py
+++ b/server/utils/oss_uploader.py
@@ -33,10 +33,9 @@ from dotenv import load_dotenv
 # ── 加载环境变量 ──────────────────────────────────────────────
 load_dotenv()
 
-# AccessKey 从系统环境变量读取（~/.bashrc 中 export 设置）
-OSS_ACCESS_KEY_ID = os.environ.get("OSS_ACCESS_KEY_ID", "")
-OSS_ACCESS_KEY_SECRET = os.environ.get("OSS_ACCESS_KEY_SECRET", "")
-# 以下配置从 .env 文件读取
+# 所有配置从 .env 文件读取
+OSS_ACCESS_KEY_ID = os.getenv("OSS_ACCESS_KEY_ID", "")
+OSS_ACCESS_KEY_SECRET = os.getenv("OSS_ACCESS_KEY_SECRET", "")
 OSS_BUCKET_NAME = os.getenv("OSS_BUCKET_NAME", "")
 OSS_ENDPOINT = os.getenv("OSS_ENDPOINT", "")
 OSS_REGION = os.getenv("OSS_REGION", "")