update

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

@@ -137,7 +137,7 @@ public class TeacherDefaultMusicGroupSalaryServiceImpl extends BaseServiceImpl<L
 											throw new BizException("课酬设置不完整");
 										}
 										Integer studentNum = classGroupStudentNumMap.get(ts.getClassGroupId());
-										if(studentNum == null){
+										if(studentNum == null || studentNum == 0){
 											studentNum = 1;
 										}
 										ts.setExpectSalary(new BigDecimal(obj.getDouble(studentNum + "")));