chore(package): update koa-onerror to version 2.0.0
chore(package): update koa-onerror to version 2.0.0

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chenshuxian/ReactProject,wssgcg1213/koa2-react-isomorphic-boilerplate,wssgcg1213/koa2-react-isomorphic-boilerplate,chenshuxian/ReactProject