Yarollingstone opened a new issue #435: [Native] Send message error. URL: https://github.com/apache/rocketmq-client-go/issues/435 version: 1.2.4 os：centos 7 gcc: 4.8.5 When I have used go goroutines to invoke the 'rocketmq.SendMessageSync' API . When Send 1500 messages at a time, it always reported error 'runtime error: invalid memory address or nil pointer dereference'. Here is my call method and error log  
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