Merge pull request #3362 from dataease/pr@dev@fix_report_task_time_error

fix(定时报告): 任务时间选择周日报错

backend/src/main/java/io/dataease/commons/utils/CronUtils.java

@@ -100,7 +100,7 @@ public class CronUtils {
     }
     private static String getDayOfWeek(Calendar instance) {
         int index = instance.get(Calendar.DAY_OF_WEEK);
-        index = index + 1;
+        index = (index % 7) + 1;
         return String.valueOf(index);
     }