运行Vue项目报错： TypeError: Cannot read property ‘upgrade‘ of undefined

其他 2021-12-13 21:06:32 阅读次数: 0

npm run dev 运行Vue项目时报错： TypeError: Cannot read property ‘upgrade’ of undefined
在这里插入图片描述
是因为在.env.development文件中未写后端请求地址，添加上自己的服务器地址即可。

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转载自blog.csdn.net/qq_45701130/article/details/121793666

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