fix：1、vip课休学限制；2、课酬结算未转正0.8

mec-biz/src/main/java/com/ym/mec/biz/service/impl/CourseScheduleTeacherSalaryServiceImpl.java

@@ -542,6 +542,7 @@ public class CourseScheduleTeacherSalaryServiceImpl extends BaseServiceImpl<Long
                     teacherSalary = BigDecimal.ZERO;
                 }
 
+                //如果上课日期在转正日期之前的按80%结算
                 if(Objects.isNull(teacher)||Objects.isNull(teacher.getFormalStaffDate())||courseScheduleTeacherSalary.getCourseSchedule().getClassDate().compareTo(teacher.getFormalStaffDate())<0){
                     teacherSalary = teacherSalary.multiply(new BigDecimal("0.8"));
                 }