The field returned by the vue proxy axios cross-domain request is empty, but the same field returned by the tool request is not empty

the field returned by a successful cross-domain vue proxy axios request has no value, but the same field returned by using the tool request is not empty

related codes

proxyTable: {
  "/http": {
    target: "http://dt-dev.arctron.cn",
    changeOrigin: true,
    pathRewrite: {
      "^/http": ""
    }
  }
}

var host = process.env.NODE_ENV === "development" ? "/http/api" : ""
var instance = axios.create({
  baseURL: host
})
Vue.prototype.$ajax = instance

this.$ajax.post("/statistic/getdata", {
    register_id: 104408387592139285,
    from:1536540793,
    to:1536548044,
    split:300
  }).then((res) => {
    console.log(res)
  }).catch((error) => {
    console.log(error)
  })

Jun.10,2021
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