如何让Auth0 Express中间件静默失败而非导致服务器崩溃？

我正在开发一个使用Auth0进行认证的Node.js项目，Auth0基于JWT实现认证，需授权的接口请求必须携带Token。使用express-oauth2-jwt-bearer提供的checkJwt中间件时，JWT有效情况下功能正常，但未授权的请求会抛出UnauthorizedError，直接导致服务器崩溃。我熟悉(req,res,next)格式的中间件，但不知道如何包装checkJwt来拦截控制流，尝试自定义检查器也未成功，错误栈如下：

UnauthorizedError: Unauthorized
    at getToken (/home/me/myprojectfolder/backend/node_modules/express-oauth2-jwt-bearer/dist/index.js:83:15)
    at /home/me/myprojectfolder/backend/node_modules/express-oauth2-jwt-bearer/dist/index.js:353:25
    at Layer.handle [as handle_request] (/home/me/myprojectfolder/backend/node_modules/express/lib/router/layer.js:95:5)
    at next (/home/me/myprojectfolder/backend/node_modules/express/lib/router/route.js:137:13) 
    at Route.dispatch (/home/me/myprojectfolder/backend/node_modules/express/lib/router/route.js:112:3)
    at Layer.handle [as handle_request] (/home/me/myprojectfolder/backend/node_modules/express/lib/router/layer.js:95:5)
    at /home/me/myprojectfolder/backend/node_modules/express/lib/router/index.js:281:22
    at param (/home/me/myprojectfolder/backend/node_modules/express/lib/router/index.js:354:14)
    at param (/home/me/myprojectfolder/backend/node_modules/express/lib/router/index.js:365:14)
    at Function.process_params (/home/me/myprojectfolder/backend/node_modules/express/lib/router/index.js:410:3)

内容的提问来源于stack exchange，提问作者blendaddict