add:会员看课统计添加上线数

fs-service/src/main/java/com/fs/course/vo/FsCourseWatchLogStatisticsListVO.java

@@ -30,6 +30,8 @@ public class FsCourseWatchLogStatisticsListVO {
     private String type3;
     @Excel(name = "看课中断")
     private String type4;
+    @Excel(name = "上线数")
+    private Long onLineNum;
     @Excel(name = "企业微信员工名称")
     private String qwUserName;