获取所有公告

{
    "count": 3,
    "data": [
        {
            "active": true,
            "content": "## \u7cfb\u7edf\u7ef4\u62a4\u901a\u77e5",
            "date": "2025-12-06",
            "id": 3,
            "priority": 3,
            "summary": "\u7cfb\u7edf\u5c06\u4e8e\u672c\u5468\u672b\u8fdb\u884c\u7ef4\u62a4",
            "type": "maintenance"
        },
        {
            "active": true,
            "content": "## \u6d4b\u8bd5\u516c\u544a \n TEST",
            "date": "2022-01-03",
            "id": 2,
            "priority": 2,
            "summary": "\u6d4b\u8bd5\u516c\u544a",
            "type": "notice"
        },
        {
            "active": true,
            "content": "## \u6d4b\u8bd5\u516c\u544a",
            "date": "2022-01-01",
            "id": 1,
            "priority": 1,
            "summary": "\u6d4b\u8bd5\u516c\u544a",
            "type": "notice"
        }
    ],
    "success": true,
    "timestamp": "2025-12-06T22:23:07.795987"
}