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LockInfo currLockInfo = LockInfo.fromString(currLockInfoJson);
			// 竞争条件只可能出现在锁超时的情况, 因为如果没有超时, 线程发现锁并不是被自己持有, 线程就不会去动value
			if (isTimeExpired(currLockInfo.getExpires())) {
				// 锁超时了
				LockInfo oldLockInfo = LockInfo.fromString(jedis.getSet(lockKey, newLockInfoJson));
				if (oldLockInfo != null && isTimeExpired(oldLockInfo.getExpires())) {
					// 成功获取到锁, 设置相关标识
					logger.debug("{} get lock(new), lockInfo: {}", Thread.currentThread().getName(), newLockInfoJson);
					locked = true;
					return true;
				}
			} else {
				// 锁未超时, 不会有竞争情况
				if (isHeldByCurrentThread(currLockInfo)) { // 当前线程持有
					// 成功获取到锁, 设置相关标识
					currLockInfo.setExpires(serverTimeMillis() + lockExpires + 1); // 设置新的锁超时时间
					currLockInfo.incCount();
					jedis.set(lockKey, currLockInfo.toString());
					logger.debug("{} get lock(inc), lockInfo: {}", Thread.currentThread().getName(), currLockInfo);
					locked = true;
					return true;
				}
			}

		if (isTimeExpired(currLockInfo.getExpires())) {
			// 锁超时了
			LockInfo oldLockInfo = LockInfo.fromString(jedis.getSet(lockKey, newLockInfoJson));
                            //，这里需要判断redis所内容是否为当前锁，要不然并发情况会被多个线程获得锁
                            //String newSetLockInfoJson = redisTemplate.opsForValue().get(lockKey);
			//if (oldLockInfo != null && isTimeExpired(oldLockInfo.getExpires()) && 
                            //newSetLockInfoJson.equals(newLockInfoJson)) {
			if (oldLockInfo != null && isTimeExpired(oldLockInfo.getExpires())) {
				// 成功获取到锁, 设置相关标识
				logger.debug("{} get lock(new), lockInfo: {}", Thread.currentThread().getName(), newLockInfoJson);
				locked = true;
				return true;
			}
		}