Updated 教师偏好设置接口 (markdown)

@@ -16,36 +16,32 @@
 
 ######设置成功
 
-   ```json
-
-[
-    {
-      "id": 1867,
-      "pathFlag": 100,
-      "name": "教材",
-      "summary": "转换思维，教材原来可以这么容易",
-      "icon": "listening",
-      "image": "/image/abc.jpg"
-    },
-    {
-      "id": 2420,
-      "pathFlag": 101,
-      "name": "文章",
-      "summary": "轻松掌握我们认为掌握不了的课程",
-      "icon": "listening",
-      "image": "/image/abc.jpg"
-    }
-  ]
+```json
+
+  "preference_setting_success"
 
 ```
-######设置失败
+######设置失败情况1
 
 ```json
 
-  "preference_setting_failed"
+  "preference_setting_failed": "难度未选择"
 
 ```
+######设置失败情况2
+
+```json
+
+  "preference_setting_failed": "适合年级未选择"
 
+```
+######设置失败情况3
+
+```json
+
+  "preference_setting_failed": "其他异常"
+
+```