Authorization: ********************{
"content": "这是一则公告的详细内容...",
"title": "系统公告",
"url": "https://example.com/announce/1"
}curl --location '/api/v1/message/addAnnounce' \
--header 'Authorization: <api-key>' \
--header 'Content-Type: application/json' \
--data '{
"content": "这是一则公告的详细内容...",
"title": "系统公告",
"url": "https://example.com/announce/1"
}'{
"code": 0,
"data": null,
"msg": "string"
}