修复空指针的问题

src/main/java/com/xiaomai/cases/polar/schedule/group/GroupScheduleTools.java

@@ -378,6 +378,7 @@ public class GroupScheduleTools extends XMBaseTest {
             Set<String> scheduleIds = array.toJavaList(JSONObject.class).stream()
                     .filter(e -> e.getString("date").equals(date))//过滤出日期等于下周N的数据
                     .flatMap(e -> e.getJSONArray("timetableList").toJavaList(JSONObject.class).stream())//对过滤出的数据再次取目标数据重新组合成一个新的数据流
+                    .filter(e -> null != e.getString("ruleId"))
                     .filter(e ->e.getString("ruleId").equals(ruldId))
                     .map(e -> e.getString("scheduleId"))//获取scheduleId
                     .collect(Collectors.toSet());