_errHandle = function _errHandle(_err) {
                if (params.stream) return false;
                var statusErr = [-1, -2].includes(_err.status);
                var requestErrorRetryHandle = _this.options.requestErrorRetryHandle || function () {
                  return true;
                };
                return statusErr && requestErrorRetryHandle(_err);
              }
request oss server
@param {Object} params
  - {String} object
  - {String} bucket
  - {Object} [headers]
  - {Object} [query]
  - {Buffer} [content]
  - {Stream} [stream]
  - {Stream} [writeStream]
  - {String} [mime]
  - {Boolean} [xmlResponse]
  - {Boolean} [customResponse]
  - {Number} [timeout]
  - {Object} [ctx] request context, default is `this.ctx`

@api private