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Co-authored-by: Copilot Autofix powered by AI <175728472+Copilot@users.noreply.github.com>

Author: whiteki08

app/modules/jellyfin/jellyfin.py

@@ -243,7 +243,12 @@ def get_user(self, user_name: Optional[str] = None) -> Optional[Union[str, int]]
                             best_admin_id = user.get("Id")
                             best_admin_name = user.get("Name")
                             best_admin_library_count = current_count
-                if best_admin_id:
+                if best_admin_id is None:
+                    logger.warning("未找到可用的管理员账号，无法获取管理员用户，请检查Jellyfin用户及权限配置！")
+                    return None
+                logger.warning(
+                    f"未找到具备全库访问权限的管理员账号，回退使用仅可访问{best_admin_library_count}/{total_library_count}个媒体库的管理员账号{best_admin_name}！"
+                )
                     logger.warning(f"未找到具备全库访问权限的管理员账号，回退使用仅可访问{best_admin_library_count}/{total_library_count}个媒体库的管理员账号{best_admin_name}！")
                 return best_admin_id
             else:

tests/test_jellyfin.py

@@ -179,8 +179,22 @@ def test_get_user_warns_and_prefers_larger_visible_scope_admin(self):
             user_id = client.get_user("admin")
 
         self.assertEqual(user_id, "large-admin-id")
-        warning_mock.assert_called_once()
-        self.assertIn("默认超级管理员状态流失", warning_mock.call_args.args[0])
+        self.assertGreaterEqual(warning_mock.call_count, 2)
+
+        warning_messages = [
+            call.args[0] for call in warning_mock.call_args_list if call.args and isinstance(call.args[0], str)
+        ]
+        self.assertTrue(any("超级管理员" in message for message in warning_messages))
+        self.assertTrue(
+            any(
+                ("部分" in message)
+                or ("可见" in message)
+                or ("访问范围" in message)
+                or ("EnabledFolders" in message)
+                for message in warning_messages
+            )
+        )
+        self.assertTrue(any(("回退" in message) or ("fallback" in message.lower()) for message in warning_messages))
 
     def test_get_jellyfin_librarys_returns_empty_when_user_missing(self):
         client = self._build_client()