cocos下Android无法使用AV.File上传文件

[sysOrange]

平台:cocos creator
运行环境:android
报错:
TypeError: root.FormData is not a constructor
at Request.getFormData (dst/__nodemodules/leancloud-storage/dist/av.js:17631)
at Request.attach (dst/__node_modules/leancloud-storage/dist/av.js:17623)
at exports.upload (dst/__node_modules/leancloud-storage/dist/av.js:16970)
at module.exports (dst/__node_modules/leancloud-storage/dist/av.js:9250)
at dst/__node_modules/leancloud-storage/dist/av.js:9077
at run (dst/__node_modules/leancloud-storage/dist/av.js:5301)
at dst/__node_modules/leancloud-storage/dist/av.js:5318
at flush (dst/__node_modules/leancloud-storage/dist/av.js:5600)

这咋解决。。。。

[sysOrange]

   //构建代码。。。

    const data = [0x4c, 0x65, 0x61, 0x6e, 0x43, 0x6c, 0x6f, 0x75, 0x64];
    const file = new AV.File('resume.txt', data);

    file.save().then((file) => {
        console.log(`文件保存完成。`);
      }, (error) => {
        // 保存失败，可能是文件无法被读取，或者上传过程中出现问题

      });

[zyu]

@leeyeh

[sysOrange]

是不是非要充值才会有人回答啊？