HarmonyOS 错误码801意义不明确？

Question

let downloadPath = environment.getUserDownloadDir();       //获取公共桌面目录       
let desktopPath = environment.getUserDesktopDir();       //获取公共文档目录       
let documentPath = environment.getUserDocumentDir(); 

错误码801 ，不知道具体意义。

Answer 1

错误码参考：https://developer.huawei.com/consumer/cn/doc/harmonyos-references-V5/errorcode-universal-V5\#section801-%E8%AF%A5%E8%AE%BE%E5%A4%87%E4%B8%8D%E6%94%AF%E6%8C%81%E6%AD%A4api