mq不能路由到topic之坑

阿里云 rocketmq, 代码里面除了要设置A/K TOPIC GID信息，必须正确设置namesr_addr

就是往mq里面放的时候，报错：Caused by: com.aliyun.openservices.shade.com.alibaba.rocketmq.client.exception.MQClientException:
No route info of this topic