javascript - Why are ajax requests sometimes correct and sometimes incorrect?

Question

I’m really confused, sometimes wrong and sometimes right. Am I confused?
Is it a problem with webpack?

Answer 1

Maybe it has reference value https://fukun.org/archives/01...

Answer 2

This request address is wrong, right? Is it requesting Douban? Set up proxy. If you are using vue-cli, index.js in the config folder

proxyTable: {
      '/v2': {
        target: 'https://api.douban.com/v2',
        changeOrigin: true
      }
    }

Answer 3

Do you use Douban to have permissions for some interfaces