模拟器接受更广泛的图像格式。有时您有一个设备无法显示的特定文件类型。仔细检查10个文件，寻找与其他文件有所不同。

The simulator accepts a wider range of image formats. Sometimes you had a specific file type that the device cannot display. Double check the 10 files looking for some difference from the others ones.