pod install报错 - cache/artifacts/

$ pod install
cp: /Users/yuanzhiying/fvm/versions/1.22.6/bin/cache/artifacts/engine/ios/Flutter.framework: No such file or directory
cp: /Users/yuanzhiying/fvm/versions/1.22.6/bin/cache/artifacts/engine/ios/Flutter.podspec: No such file or directory
Analyzing dependencies
[!] No podspec found for `Flutter` in `Flutter`

解决办法：
执行命令：

$ flutter precache