Updated 在线授课接口定义 (markdown)

@@ -47,8 +47,6 @@ Request params：
 |参数名         |是否必须    |说明     |参数类型            |
 |--------------|-----------|--------|-------------------|
 |work_order_id |是         |工单id   |Long               |
-|student_id    |是         |学生id   |Long               |
-|lesson_id     |是         |课程id   |String             |
 
 
 **腾讯云的用户identifier 为盒子鱼用户id的小写md5值**
@@ -109,6 +107,7 @@ Request params：
   "figure_url": "http://wx.qlogo.cn/mmopen/PiajxSqBRaEJrztQnGAk8X1G2A0AfjvPRBdgLFOjxsM9AoicoOUrH3Yia3qY9uic5ibQO6wMkJ6bPUx15IN4Vrxv8CA/0",
   "teacher_name": "喜洋洋老师",
   "teacher_id": "5",
+  "lesson_id": "L3NoYXJlL3N2bi8yMDE1MDkxMOa1i-ivleaooeadvy8wMTMu5qih5p2_5ZCI6ZuGLnhsc3g",
   "group_name": "boxfish-class001",
   "group_id": "@TGS#2AA4BQAEN",
   "chat_room_id": "100001"
@@ -176,7 +175,8 @@ Response：
 
 ```
 {
-	"recover": true
+	"recover": true,
+        "lesson_id": "L3NoYXJlL3N2bi8yMDE1MDkxMOa1i-ivleaooeadvy8wMTMu5qih5p2_5ZCI6ZuGLnhsc3g"
 }
 ```