[
  {"id": 1,
  "name": "nuaa",
  "server": "http://speed.nuaa.edu.cn/backend/",
  "dlURL": "garbage.php",
  "ulURL": "empty.php",
  "pingURL": "empty.php",
  "getIpURL": "getIP.php"
  },
  {"id": 2,
  "name": "ustc",
  "server": "https://test.ustc.edu.cn/backend/",
  "dlURL": "garbage.php",
  "ulURL": "empty.php",
  "pingURL": "empty.php",
  "getIpURL": "getIP.php"
  },
  {"id": 3,
  "name": "nju",
  "server": "https://test.nju.edu.cn/backend",
  "dlURL": "garbage.php",
  "ulURL": "empty.php",
  "pingURL": "empty.php",
  "getIpURL": "getIP.php"
  }
]