Updated 在线授课接口定义 (markdown)

@@ -401,4 +401,34 @@ Response ：
   "returnCode": 200,
   "returnCode": 200,
   "returnMsg": "success"
   "returnMsg": "success"
 }
 }
+```
+
+# 8 .旷课回调接口
+>Request body的参数中,`userId`是旷课的用户的id, `type`为userId的用户类型, `TEACHER` 或者`STUDENT`
+>发生旷课回调该接口
+
+接口地址：/teaching/callback/absenteeism
+
+请求方式：POST
+
+Request body：
+
+```
+{
+    "workrderd": 1234,
+    "userId": 12938,
+    "type":"TEACHER"
+}
+```
+
+Response ：
+
+```
+{
+  "data": {
+      "recover": true
+  },
+  "returnCode": 200,
+  "returnMsg": "success"
+}
 ```
 ```