HarmonyOS使用axios进行相册图片上传操作失败

const photoViewPicker = new picker.PhotoViewPicker(); 
let ctx = getContext(this) 
let photoSelectResult = await photoViewPicker.select(photoSelectOptions) 
uris = photoSelectResult.photoUris; 
for (let index = 0; index < uris.length; index++) { 
  const element = uris[index]; 
  console.error('====>uri is:' + element + ', start read file') 
  fs.open(element, (err, file) => { 
    if (err) { 
      console.error("====>file open failed with error message: " + err.message + ", error code: " + 
      err.code); 
    } else { 
      let filepath = `${ctx.cacheDir}/${file.name}`; 
      console.error('====>filepath is:' + filepath + ', start copy file') 
      fs.copyFile(file.fd, filepath, () => { 
        // 上传的uri 
        let uri = fileUri.getUriFromPath(filepath) 
        console.error("文件uri路径:" + uri) 
        let realUri = `internal://cache/${file.name}`; 
        console.error("real uri:" + realUri) 
        // 执行上传 
        let request: AxiosRequestConfig<FormData> = { 
          url: config.subUrl, 
          headers: { 
            'Content-Type': 'multipart/form-data' 
          }, 
          context: getContext(), 
          method: "post", 
          params: params, 
          data: formData 
        } 
        let resp: AxiosResponse<HttpResponseModel> = 
          await axios.request<HttpResponseModel, AxiosResponse<HttpResponseModel>, FormData>(request) 
      }); 
    } 
  }) 
} 
console.error('photoViewPicker.select to file succeed and uris are:' + uris); 
} catch (err) { 
  console.error(`Invoke photoViewPicker.select failed, code is ${err.code}, message is ${err.message}`); 
}

E     [ecmascript] Pending exception before ToObject called in line:239, exception details as follows: 
Error: empty error message 
at upload (oh_modules/.ohpm/@ohos+axios@2.2.0/oh_modules/@ohos/axios/src/main/ets/components/lib/adapters/ohos/upload.js:140:1) 
at anonymous (oh_modules/.ohpm/@ohos+axios@2.2.0/oh_modules/@ohos/axios/src/main/ets/components/lib/adapters/ohos/index.js:31:1) 
at anonymous (oh_modules/.ohpm/@ohos+axios@2.2.0/oh_modules/@ohos/axios/src/main/ets/components/lib/adapters/ohos/index.js:26:1) 
at dispatchRequest (oh_modules/.ohpm/@ohos+axios@2.2.0/oh_modules/@ohos/axios/src/main/ets/components/lib/core/dispatchRequest.js:51:1) 
at request (oh_modules/.ohpm/@ohos+axios@2.2.0/oh_modules/@ohos/axios/src/main/ets/components/lib/core/Axios.js:170:1) 
at wrap (oh_modules/.ohpm/@ohos+axios@2.2.0/oh_modules/@ohos/axios/src/main/ets/components/lib/helpers/bind.js:5:1) 
at apiRequest (entry/src/main/ets/core/network/service.ets:90:15) 
[ecmascript] Pending exception before Has called in line:1891, exception details as follows: 
Error: empty error message 
at upload (oh_modules/.ohpm/@ohos+axios@2.2.0/oh_modules/@ohos/axios/src/main/ets/components/lib/adapters/ohos/upload.js:140:1) 
at anonymous (oh_modules/.ohpm/@ohos+axios@2.2.0/oh_modules/@ohos/axios/src/main/ets/components/lib/adapters/ohos/index.js:31:1) 
at anonymous (oh_modules/.ohpm/@ohos+axios@2.2.0/oh_modules/@ohos/axios/src/main/ets/components/lib/adapters/ohos/index.js:26:1) 
at dispatchRequest (oh_modules/.ohpm/@ohos+axios@2.2.0/oh_modules/@ohos/axios/src/main/ets/components/lib/core/dispatchRequest.js:51:1) 
at request (oh_modules/.ohpm/@ohos+axios@2.2.0/oh_modules/@ohos/axios/src/main/ets/components/lib/core/Axios.js:170:1) 
at wrap (oh_modules/.ohpm/@ohos+axios@2.2.0/oh_modules/@ohos/axios/src/main/ets/components/lib/helpers/bind.js:5:1) 
at apiRequest (entry/src/main/ets/core/network/service.ets:90:15) 
[ecmascript] Pending exception before IsMixedDebugEnabled called in line:3573, exception details as follows: 
Error: empty error message 
at upload (oh_modules/.ohpm/@ohos+axios@2.2.0/oh_modules/@ohos/axios/src/main/ets/components/lib/adapters/ohos/upload.js:140:1) 
at anonymous (oh_modules/.ohpm/@ohos+axios@2.2.0/oh_modules/@ohos/axios/src/main/ets/components/lib/adapters/ohos/index.js:31:1) 
at anonymous (oh_modules/.ohpm/@ohos+axios@2.2.0/oh_modules/@ohos/axios/src/main/ets/components/lib/adapters/ohos/index.js:26:1) 
at dispatchRequest (oh_modules/.ohpm/@ohos+axios@2.2.0/oh_modules/@ohos/axios/src/main/ets/components/lib/core/dispatchRequest.js:51:1) 
at request (oh_modules/.ohpm/@ohos+axios@2.2.0/oh_modules/@ohos/axios/src/main/ets/components/lib/core/Axios.js:170:1) 
at wrap (oh_modules/.ohpm/@ohos+axios@2.2.0/oh_modules/@ohos/axios/src/main/ets/components/lib/helpers/bind.js:5:1) 
at apiRequest (entry/src/main/ets/core/network/service.ets:90:15) 
[default] ConstructorOptimize:2520 occur exception need return