增加休眠时间，减少冲突

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

@@ -400,7 +400,7 @@ public class MusicGroupServiceImpl extends BaseServiceImpl<String, MusicGroup> i
             int ran2 = (int) (Math.random() * (max - min) + min);
             for (int i = 1; i <= 100; i++) {
                 if (i == ran2) {
-                    Thread.sleep(ran2);
+                    Thread.sleep(500);
                 }
                 chargeInfo = sporadicChargeInfoDao.get(sporadicPayDto.getSporadicId());
                 if (chargeInfo.getMaxNum() != null && chargeInfo.getMaxNum() <= chargeInfo.getPaidNum()) {