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为什么express捕获不到错误呢？

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为什么express捕获不到错误呢？

使用了http-assert包；
image.png

然后在接口中用assert()来弹出错误：
image.png

最后使用express的错误处理中间件来统一处理错误：
image.png

可是真正遇到错误的时候，好像中间件并不能捕获到，控制台报了如下的错误：
image.png

救救孩子吧??


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解决了，express4.几有bug；
我换成exrpess5alpha就行了；


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