李振兴

Updated 教师偏好设置接口 (markdown)

... ... @@ -19,15 +19,14 @@
```json
{
"id": 6,
"userId": 5,
"fitGrade": "初一",
"publication": "人教2012版",
"book": "七上",
"difficulty": "1,2,3",
"updateTime": "2015-07-29T09:33:33.496+0000"
"relation_material": "人教2012版-七上",
"difficulties": [
"1",
"2",
"3"
],
"fit_grade": "初一"
}
```
######设置失败情况1
... ...