Hello 快乐的老鼠宝宝, wanted to tell you that your roundabout were ruined, please take a look. Maybe if you're a local mapper you can verify the edit or revert the changes. I can help you with reverting if you'll need. the place is here https://www.openstreetmap.org/edit#map=19/39.041765/115.882671

Used Papago translation just in case: 你好快乐的老鼠宝宝，想告诉你，你的回旋处被毁了，请看一看。 也许如果你是本地映射器，你可以验证编辑或还原更改。 如果你需要的话，我可以帮你恢复。