fix

cooleshow-user/user-biz/src/main/java/com/yonge/cooleshow/biz/dal/service/impl/CourseGroupServiceImpl.java

@@ -766,7 +766,7 @@ public class CourseGroupServiceImpl extends ServiceImpl<CourseGroupDao, CourseGr
             studentPayment.setCourseGroupId(courseGroup.getId());
             studentPayment.setCourseId(course.getId());
             studentPayment.setOrderNo(orderNo);
-            BigDecimal amount = courseAveragePrice.get(i.getAndIncrement());
+            BigDecimal amount = courseAveragePrice.get(i.get());
             BigDecimal actualAmount = courseAverageActualPrice.get(i.getAndIncrement());
             studentPayment.setOriginalPrice(amount);
             studentPayment.setExpectPrice(amount);