通过群号码获取群组信息

{
    "code": 1,
    "message": "获取群组信息成功",
    "data": {
        "group_id": "g_Ab3Xy9Mn4Kp8",
        "group_code": "1234567890",
        "group_name": "技术交流群",
        "group_avatar": "https://example.com/avatar.jpg",
        "group_description": "这是一个技术交流群，欢迎大家分享学习心得",
        "group_type": "normal",
        "group_owner_id": "user_owner",
        "group_status": "active",
        "created_at": "2024-01-01T12:00:00Z"
    }
}