The default value of configuration item (PushConsumer#consumeThreadMin) in document and code is different.

[XiaoyiPeng]

BUG REPORT

1. Please describe the issue you observed:

   The default value of configuration item (PushConsumer#consumeThreadMin) in document and code are different.

   The default value(PushConsumer#consumeThreadMin) in document is 10, as shown below:

   

   But in code(class org.apache.rocketmq.client.consumer.DefaultMQPushConsumer), the default value is 20, as shown below:

    /**
     * Minimum consumer thread number
     */
    private int consumeThreadMin = 20;
   

2. Please tell us about your environment:

   Windows10