feat：乐团改造

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

@@ -1613,12 +1613,9 @@ public class MusicGroupServiceImpl extends BaseServiceImpl<String, MusicGroup> i
             }
             subtractAmount = subtractAmount.subtract(price);
             if(BigDecimal.ZERO.compareTo(subtractAmount)<0){
-                subtractAmount = new BigDecimal(0);
+                studentRegistrationService.updateUserSurplusCourseFee(userId, musicGroupId, subtractAmount.negate(), reason, operator.getId());
             }
             
-            studentRegistrationService.updateUserSurplusCourseFee(userId, musicGroupId, subtractAmount.negate(), reason, operator.getId());
-            
-            
             //更新服务指标、运营指标
             int remainCourseNum = courseScheduleStudentPaymentDao.countStudentNotStartCourseNumWithCourseType(userId, null);
             if(remainCourseNum == 0){
@@ -1766,10 +1763,8 @@ public class MusicGroupServiceImpl extends BaseServiceImpl<String, MusicGroup> i
         }
         subtractAmount = subtractAmount.subtract(price);
         if(BigDecimal.ZERO.compareTo(subtractAmount)<0){
-            subtractAmount = new BigDecimal(0);
+            studentRegistrationService.updateUserSurplusCourseFee(userId, musicGroupId, subtractAmount.negate(), reason, operator.getId());
         }
-
-        studentRegistrationService.updateUserSurplusCourseFee(userId, musicGroupId, subtractAmount.negate(), reason, operator.getId());
         
         //更新服务指标、运营指标
         int remainCourseNum = courseScheduleStudentPaymentDao.countStudentNotStartCourseNumWithCourseType(userId, null);