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After the Vue project is started, log in and report an error:

Proxy error: Could not proxy request /user/login from localhost:8089 to http://***。**。**:8081/.
See https://nodejs.org/api/errors.html#errors_common_system_errors for more information (ENOTFOUND).

The error is very obvious. The agent can’t pass. You need to modify the agent configuration

Find vue.config.js, which contains the part of configuring agent, and change it to the correct back-end address

reference:

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