AppIcon 设置和导出PNG文件
ERROR ITMS-90022: "Missing required icon file. The bundle does not contain an app icon for iPhone / iPod Touch of exactly '120x120' pixels, in .png format for iOS versions >= 7.0. To support older versions of iOS, the icon may be required in the bundle outside of an asset catalog. Make sure the Info.plist file includes appropriate entries referencing the file. See https://developer.apple.com/documentation/bundleresources/information_property_list/user_interface"
ERROR ITMS-90032: "Invalid Image Path - No image found at the path referenced under key 'CFBundleIcons': 'AppIcon20x20'"
ERROR ITMS-90032: "Invalid Image Path - No image found at the path referenced under key 'CFBundleIcons': 'AppIcon29x29'"
App Icon 类型的设置错误，可根据官方文档排查错误。
