Invalid vue-cli3 setting agent

invalid vue-cli3 setting agent
this is my code for setting up the agent:
module.exports = {
devServer: {

open: true,
proxy: {
  "/news": {
    target: "http://192.168.1.244/api",
    ws: true,
    changeOrigin: true
  }
}

}
}
error report:
Failed to load http://192.168.1.244/api/news.: No "Access-Control-Allow-Origin" header is present on the requested resource. Origin" http://localhost:8080" is therefore not allowed access

Sep.16,2021

is not written correctly.

  https://juejin.im/post/5bd02f.

MySQL Query : SELECT * FROM `codeshelper`.`v9_news` WHERE status=99 AND catid='6' ORDER BY rand() LIMIT 5
MySQL Error : Disk full (/tmp/#sql-temptable-64f5-1ead8fb-47f28.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1ead8fb-47f28.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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