Please answer these questions before submitting your issue. Thanks!

1. What did you do? If possible, provide a recipe for reproducing the error.



2. What did you expect to see?



3. What did you see instead?



4. What version of Swoole are you using (`php --ri swoole`)?




5. What is your machine environment used (including version of kernel & php & gcc) ? 



6. If you are using ssl, what is your openssl version?