Automatically assigning platform `iOS` with version `8.0` on target `Runner` because no platform was

flutter 报错：

    Resolving dependencies of `Podfile`
      CDN: trunk Relative path: CocoaPods-version.yml exists! Returning local because checking is only
      perfomed in repo update
    [!] CocoaPods could not find compatible versions for pod "multi_image_picker":
      In Podfile:
        multi_image_picker (from `.symlinks/plugins/multi_image_picker/ios`)

    Specs satisfying the `multi_image_picker (from `.symlinks/plugins/multi_image_picker/ios`)` dependency
    were found, but they required a higher minimum deployment target.

　　

Error output from CocoaPods:
↳
    /System/Library/Frameworks/Ruby.framework/Versions/2.6/usr/lib/ruby/2.6.0/universal-darwin19/rbconfig.rb:
    229: warning: Insecure world writable dir /Users/zhuzhisen_work/.nvm in PATH, mode 040777

    [!] 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：只要修改ios目录下podfile 第二行 去掉#号