update

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

@@ -1720,7 +1720,11 @@ public class StudentRegistrationServiceImpl extends BaseServiceImpl<Long, Studen
             int totalPayNum = studentRegistrationDao.getFirstPayNum(queryInfo.getMusicGroupId(), startTime, null);
             pageInfo.setFirstDayPayNum(firstPayNum);
             pageInfo.setPayNum(totalPayNum);
-            pageInfo.setPayScale(new BigDecimal(firstPayNum).multiply(new BigDecimal(100)).divide(new BigDecimal(totalPayNum), 2, BigDecimal.ROUND_HALF_UP));
+            if(totalPayNum == 0){
+                pageInfo.setPayScale(new BigDecimal(0));
+            }else {
+                pageInfo.setPayScale(new BigDecimal(firstPayNum).multiply(new BigDecimal(100)).divide(new BigDecimal(totalPayNum), 2, BigDecimal.ROUND_HALF_UP));
+            }
         }
 
         pageInfo.setTotal(count);