Updated 在线授课接口定义 (markdown)

@@ -188,11 +188,34 @@ Response:
 
 2. 工单无效
 
+(1) 未到上课时间
+
+```
+{
+  "data": {},
+  "returnCode": 10,
+  "returnMsg": "未到上课时间"
+}
+
+```
+(2) 迟到未在上课时间
+
+```
+{
+  "data": {},
+  "returnCode": 20,
+  "returnMsg": "迟到未在上课时间"
+}
+
+```
+
+(3) 不存在对应的工单
+
 ```
 {
   "data": {},
-  "returnCode": 100,
-  "returnMsg": "工单验证失败"
+  "returnCode": 1,
+  "returnMsg": "不存在对应的工单"
 }
 
 ```