Guideline 2.5.4 - Performance - Software Requirements
Your app declares support for location in the UIBackgroundModes key in your Info.plist file but does not have any features that require persistent location. Apps that declare support for location in the UIBackgroundModes key in your Info.plist file must have features that require persistent location。這個是說明你用了後臺持續定位功能，需要有描述；