liuming / developer-docs

接口返回值为：

[
  {
    "id": 1,
    "path": 100,
    "name": "教材"
  },
  {
    "id": 2,
    "path": 100100,
    "name": "七年级上"
  },
  {
    "id": 3,
    "path": 100100100,
    "name": "Unit 1"
  },
  {
    "id": 4,
    "path": 100100101,
    "name": "Unit 2"
  }
]