增加休眠时间，减少冲突

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

@@ -394,28 +394,11 @@ public class MusicGroupServiceImpl extends BaseServiceImpl<String, MusicGroup> i
             throw new BizException("订单金额异常");
         }
         if (chargeInfo.getMaxNum() != null) {
-            //重试避免人数过多频繁冲突
-            boolean flag = false;
-            int max = 100, min = 1;
-            int ran2 = (int) (Math.random() * (max - min) + min);
-            for (int i = 1; i <= 100; i++) {
-                if (i == ran2) {
-                    Thread.sleep(500);
-                }
-                chargeInfo = sporadicChargeInfoDao.get(sporadicPayDto.getSporadicId());
-                if (chargeInfo.getMaxNum() != null && chargeInfo.getMaxNum() <= chargeInfo.getPaidNum()) {
-                    throw new BizException("活动人数暂时已满，请稍后再试");
-                }
-                chargeInfo.setPaidNum(chargeInfo.getPaidNum() + 1);
-                chargeInfo.setUpdateTime(new Date());
-                int update = sporadicChargeInfoDao.update(chargeInfo);
-                if (update > 0) {
-                    flag = true;
-                    break;
-                }
-            }
-            if (!flag) {
-                throw new BizException("活动火爆，请稍后再试"+ran2);
+            chargeInfo.setPaidNum(chargeInfo.getPaidNum() + 1);
+            chargeInfo.setUpdateTime(new Date());
+            int update = sporadicChargeInfoDao.update(chargeInfo);
+            if (update <= 0) {
+                throw new BizException("活动火爆，请稍后再试");
             }
         }