重构第一版，没有明显bug

src/main/java/cn/van/business/mq/MessageConsumerService.java

@@ -25,12 +25,12 @@ import static cn.van.business.util.WXUtil.WX_BASE_URL;
  * @description：
  */
 @Service
-@RocketMQMessageListener(topic = "wx-message", consumerGroup = "${rocketmq.consumer.group}", nameServer = "${rocketmq.name-server}", consumeMode = ConsumeMode.ORDERLY // 顺序消费（单线程）
+@RocketMQMessageListener(topic = "wx-message", consumerGroup = "${rocketmq.consumer.group}", nameServer = "${rocketmq.name-server}"
 )
 public class MessageConsumerService implements RocketMQListener<JSONObject> {
 
     private static final Logger logger = LoggerFactory.getLogger(MessageConsumerService.class);
-    private static final RateLimiter rateLimiter = RateLimiter.create(0.5, // 1 QPS
+    private static final RateLimiter rateLimiter = RateLimiter.create(2, // 1 QPS
             5, // 预热期 5 秒
             TimeUnit.SECONDS);