我是在Amazon上订的
https://www.amazon.ca/gp/product/B000H5SQ6I/ref=ppx_yo_dt_b_asin_image_o01_s00?ie=UTF8&psc=1
https://www.amazon.ca/gp/product/B00V4V1GNO/ref=ppx_yo_dt_b_asin_image_o01_s00?ie=UTF8&psc=1
换的时候是参考youtube上的视频
https://youtu.be/1eVbyLRMP-k