hi,guys
please help to analyze these issues: https://issues.apache.org/jira/browse/ROCKETMQ-145(sames solved, to be test) https://issues.apache.org/jira/browse/ROCKETMQ-146 https://issues.apache.org/jira/browse/ROCKETMQ-131 https://issues.apache.org/jira/browse/ROCKETMQ-137 and consider my suggestions: https://issues.apache.org/jira/browse/ROCKETMQ-128 https://issues.apache.org/jira/browse/ROCKETMQ-129 https://issues.apache.org/jira/browse/ROCKETMQ-130 https://issues.apache.org/jira/browse/ROCKETMQ-132 https://issues.apache.org/jira/browse/ROCKETMQ-133 https://issues.apache.org/jira/browse/ROCKETMQ-147
