[iOS] fix renderWithUrl on data_render (#1756)
[iOS] fix renderWithUrl on data_render (#1756)


alibaba/weex,KalicyZhou/incubator-weex,KalicyZhou/incubator-weex,alibaba/weex,alibaba/weex,acton393/incubator-weex,KalicyZhou/incubator-weex,KalicyZhou/incubator-weex,KalicyZhou/incubator-weex,alibaba/weex,acton393/incubator-weex,acton393/incubator-weex,KalicyZhou/incubator-weex,acton393/incubator-weex,alibaba/weex,acton393/incubator-weex,alibaba/weex,acton393/incubator-weex,acton393/incubator-weex,alibaba/weex,acton393/incubator-weex