Error output from CocoaPods: ↳ Cloning into ‘/var/folders/3y/180hymz900q19mkpp4sbtqnm0000gn/T/d20200903-7996-bp2vo9’… fatal: unable to access ‘https://github.com/ccgus/fmdb.git/’: Failed to connect to github.com port 443: Operation timed out
[!] Automatically assigning platform `iOS` with version `8.0` on target `Runner` because no platform was specified. Please specify a platform for this target in your Podfile. See `https://guides.cocoapods.org/syntax/podfile.html#platform`.
解决：
platform
:ios
, '8.0'
