docs: function putBucket(params, callback) {
      var self = this;
      submitRequest.call(this, {
          Action: 'name/cos:PutBucket',
          method: 'PUT',
          Bucket: params.Bucket,
          Region: params.Region,
          headers: params.Headers,
      }, function (err, data) {
          if (err) {
              return callback(err);
          }
          var url = getUrl({
              protocol: self.options.Protocol,
              domain: self.options.Domain,
              bucket: params.Bucket,
              region: params.Region,
              isLocation: true,
          });
          callback(null, {
              Location: url,
              statusCode: data.statusCode,
              headers: data.headers,
          });
      });
  }