public RocketMQLogConfig getRocketMQLogConfig() {
        return Optional.ofNullable(rocketMQLogConfig).orElse(new RocketMQLogConfig());
    }
get global log config.

@return global log config
shenyu-plugin/shenyu-plugin-logging/shenyu-plugin-logging-rocketmq/src/main/java/org/apache/shenyu/plugin/logging/rocketmq/config/RocketMQLogCollectConfig.java