求助：
结论：没有link 成功，下面的参考链接只是学习记录，与本文结论无关
参考链接：
https://github.com/joltup/rn-fetch-blob/wiki/Manually-Link-Package#user-content-link-ios-package
https://github.com/joltup/rn-fetch-blob/issues/461#issuecomment-553355501
https://github.com/facebook/react-native/issues/26754
