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

@@ -136,13 +136,15 @@ public class CourseScheduleTeacherSalaryServiceImpl extends BaseServiceImpl<Long
 
             List<Integer> collect = new ArrayList<>();
             if(!CollectionUtils.isEmpty(teacherAttendancesTemp)){
-                teacherAttendancesTemp.stream().map(TeacherAttendance::getTeacherId).collect(Collectors.toList());
+                collect = teacherAttendancesTemp.stream().map(TeacherAttendance::getTeacherId).collect(Collectors.toList());
             }
             if(CollectionUtils.isEmpty(collect)||!collect.contains(courseScheduleTeacherSalary.getUserId())){
                 teacherAttendances.add(new TeacherAttendance(courseScheduleTeacherSalary.getUserId(),courseScheduleTeacherSalary.getCourseScheduleId()));
             }
         });
-        teacherAttendanceDao.batchInsert(teacherAttendances);
+        if(!CollectionUtils.isEmpty(teacherAttendances)){
+            teacherAttendanceDao.batchInsert(teacherAttendances);
+        }
     }
 
     @Override