tree a3531141b995999daea72b08bb9fe0b7cf4e7bda
parent 0ec6ab56100d586ea4032b96f849ba9908bff103
author plusmancn <plusmancn@gmail.com> 1631069318 +0800
committer GitHub <noreply@github.com> 1631069318 +0800
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[NPE] Fix the reference of demoService is null (#361)

* fix: the reference of demoService is null

* chore: add comment on demoService.sayHello