diff --git a/mallinkService/src/main/java/com/iformall/service/impl/WxCouponChannelServiceImpl.java b/mallinkService/src/main/java/com/iformall/service/impl/WxCouponChannelServiceImpl.java index b04a16c40..c8a5a0664 100644 --- a/mallinkService/src/main/java/com/iformall/service/impl/WxCouponChannelServiceImpl.java +++ b/mallinkService/src/main/java/com/iformall/service/impl/WxCouponChannelServiceImpl.java @@ -149,7 +149,7 @@ public class WxCouponChannelServiceImpl implements WxCouponChannelService { .filter(wxCouponChannelVo -> !wxCouponChannelVo.getCouponId().equals(finalCouponId)) .collect(Collectors.toList()); if (!voList.isEmpty()) { - int size = voList.size() - 1; + int size = voList.size(); Random random = new Random(); return voList.get(random.nextInt(size)); }