diff --git a/src/nyahome/manage.py b/src/nyahome/manage.py
index 29c4300..ed5755f 100644
--- a/src/nyahome/manage.py
+++ b/src/nyahome/manage.py
@@ -69,6 +69,10 @@ def openapi(
     """
     根据代码导出 NyaHome 的 openapi.json 。
     """
+    from dotenv import load_dotenv
+
+    load_dotenv(ENV_PATH)
+
     from nyahome.server import save_openapi_json
 
     save_openapi_json(path)