Merge branch 'practice_1129'

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

@@ -810,7 +810,7 @@ public class EduPracticeGroupServiceImpl implements EduPracticeGroupService{
         studentPaymentOrder.setStatus(DealStatusEnum.ING);
         studentPaymentOrder.setType(OrderTypeEnum.PRACTICE_GROUP_BUY);
 
-        studentPaymentOrder.setExpectAmount(price);
+        studentPaymentOrder.setExpectAmount(actualPrice);
         studentPaymentOrder.setMusicGroupId(practiceGroupBuyParams.getId().toString());
         studentPaymentOrder.setActualAmount(studentPaymentOrder.getExpectAmount());
         studentPaymentOrder.setClassGroupId(classGroup.getId());