vue前后端分离如何解决每次请求session都会变的问题

 <system.WEBServer>
    <HttpProtocol>
      <customHeaders>
        <add name="Access-Control-Allow-Origin" value="http://localhost:8080" />
        <add name="Access-Control-Allow-Headers" value="Content-Type" />
        <add name="Access-Control-Allow-Methods" value="GET, POST, PUT, DELETE, OPTIONS" />
        <add name="Access-Control-Allow-Credentials" value="true"/>
      </customHeaders>
    </httpProtocol>
  <handlers>
</system.webServer>

<add name="Access-Control-Allow-Origin" value="http://localhost:8080" />

axios.defaults.withCredentials=true;

axios.defaults.withCredentials=true;

devServer: {
    proxy: {
      '/dev-api/': {
        target: 'http://baidu.com:8811',
        chanGorigin: true,
        pathRewrite: {
          '^/dev-api/': '/'
        }
      }
    }
  }

devServer: {
    proxy: {
      '/xxx/': {
        target: 'http://baidu.com:8811',
        changOrigin: true,
        pathRewrite: {
          '^/xxx/': '/'
        }
      }
    }
  }