经常用iPhone拍照交作业，结果格式显示错误？JPEG格式的图像比HEIC更通用——你可以通过下图在系统设置中把默认的图片格式给为JPEG. 当然, HEIC格式的一些优势（地理信息、拍照设备信息等）就没有了。
How to save in Jpeg instead of HEIC. This will obviously result in Jpegs being shared from your iPhone, but it also means you lose the benefits that HEIC brings.
