报错信息
Could not find the built application bundle at build/ios/iphoneos/Runner.app. Error launching application on xxx的 iPhone.
错误的原因是在xcode中修改了bundle Name字段的名字 默认是Runner，将bundle Name修改为Runner即可
修改plist文件
<key>CFBundleDisplayName</key>
<string>嘻嘻嘻嘻嘻</string>