Flutter安装package插件后在IOS模拟器debug模式启动报错的问题？

CocoaPods' output:
↳
      Preparing
    Analyzing dependencies
    Inspecting targets to integrate
      Using `ARCHS` setting to build architectures of target `Pods-Runner`: (``)
    Finding Podfile changes
      A file_picker
      - Flutter
      - flutter_secure_storage
      - image_gallery_saver
      - image_picker_ios
      - path_provider_foundation
      - sqflite
    Fetching external sources
    -> Fetching podspec for `Flutter` from `Flutter`
    -> Fetching podspec for `file_picker` from `.symlinks/plugins/file_picker/ios`
    -> Fetching podspec for `flutter_secure_storage` from `.symlinks/plugins/flutter_secure_storage/ios`
    -> Fetching podspec for `image_gallery_saver` from `.symlinks/plugins/image_gallery_saver/ios`
    -> Fetching podspec for `image_picker_ios` from `.symlinks/plugins/image_picker_ios/ios`
    -> Fetching podspec for `path_provider_foundation` from `.symlinks/plugins/path_provider_foundation/ios`
    -> Fetching podspec for `sqflite` from `.symlinks/plugins/sqflite/ios`
    Resolving dependencies of `Podfile`
      CDN: trunk Relative path: CocoaPods-version.yml exists! Returning local because checking is only performed in repo update
      CDN: trunk Relative path: all_pods_versions_1_6_1.txt exists! Returning local because checking is only performed in repo update
      CDN: trunk Relative path: Specs/1/6/1/DKImagePickerController/4.3.4/DKImagePickerController.podspec.json exists! Returning local because checking is only performed in repo update
      CDN: trunk Relative path: Specs/1/6/1/DKImagePickerController/1.0.0/DKImagePickerController.podspec.json exists! Returning local because checking is only performed in repo update
      CDN: trunk Relative path: Specs/1/6/1/DKImagePickerController/1.0.2/DKImagePickerController.podspec.json exists! Returning local because checking is only performed in repo update
      CDN: trunk Relative path: Specs/1/6/1/DKImagePickerController/1.0.3/DKImagePickerController.podspec.json exists! Returning local because checking is only performed in repo update
      CDN: trunk Relative path: Specs/1/6/1/DKImagePickerController/1.0.4/DKImagePickerController.podspec.json exists! Returning local because checking is only performed in repo update
      CDN: trunk Relative path: Specs/1/6/1/DKImagePickerController/1.1.0/DKImagePickerController.podspec.json exists! Returning local because checking is only performed in repo update
      CDN: trunk Relative path: Specs/1/6/1/DKImagePickerController/2.0.0/DKImagePickerController.podspec.json exists! Returning local because checking is only performed in repo update
      CDN: trunk Relative path: Specs/1/6/1/DKImagePickerController/2.1.0/DKImagePickerController.podspec.json exists! Returning local because checking is only performed in repo update
      CDN: trunk Relative path: Specs/1/6/1/DKImagePickerController/2.2.0/DKImagePickerController.podspec.json exists! Returning local because checking is only performed in repo update

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    ### Command

/usr/local/bin/pod install --verbose
```
### Report
* What did you do?
* What did you expect to happen?
* What happened instead?
### Stack
```
   CocoaPods : 1.12.0
        Ruby : ruby 2.7.2p137 (2020-10-01 revision 5445e04352) [x86_64-darwin21]
    RubyGems : 3.1.4
        Host : macOS 12.6 (21G115)
       Xcode : 14.1 (14B47b)
         Git : git version 2.28.0
Ruby lib dir : /Users/shixin/.rvm/rubies/ruby-2.7.2/lib
Repositories : master - git - https://github.com/CocoaPods/Specs.git @ f9601f9e3bc34475658ed856044a328387849f53
               trunk - CDN - https://cdn.cocoapods.org/
```
### Plugins
```
cocoapods-deintegrate : 1.0.5
cocoapods-plugins     : 1.0.0
cocoapods-search      : 1.0.1
cocoapods-trunk       : 1.6.0
cocoapods-try         : 1.2.0
```
### Podfile
```ruby
# Uncomment this line to define a global platform for your project
platform :ios, '11.0'
# CocoaPods analytics sends network stats synchronously affecting flutter build latency.
ENV['COCOAPODS_DISABLE_STATS'] = 'true'
project 'Runner', {
  'Debug' => :debug,
  'Profile' => :release,

'Release' => :release,

}
def flutter_root
  generated_xcode_build_settings_path = File.expand_path(File.join('..', 'Flutter', 'Generated.xcconfig'), __FILE__)
  unless File.exist?(generated_xcode_build_settings_path)
    raise "#{generated_xcode_build_settings_path} must exist. If you're running pod install manually, make sure flutter pub get is executed first"
  end
  File.foreach(generated_xcode_build_settings_path) do |line|
    matches = line.match(/FLUTTER_ROOT\=(.*)/)
    return matches[1].strip if matches
  end
  raise "FLUTTER_ROOT not found in #{generated_xcode_build_settings_path}. Try deleting Generated.xcconfig, then run flutter pub get"
end
require File.expand_path(File.join('packages', 'flutter_tools', 'bin', 'podhelper'), flutter_root)
flutter_ios_podfile_setup
target 'Runner' do
  use_frameworks!
  use_modular_headers!
  flutter_install_all_ios_pods File.dirname(File.realpath(__FILE__))
end
post_install do |installer|
  installer.pods_project.targets.each do |target|
    flutter_additional_ios_build_settings(target)
  end
end
```
### Error
```
JSON::ParserError - Failed to parse JSON at file: '/Users/shixin/.cocoapods/repos/trunk/Specs/1/1/7/SDWebImage/4.3.2/SDWebImage.podspec.json'.
434: unexpected token at '{
      "name": "WebP",
      "source_files": [
        "SDWebImage/UIImage+WebP.{h,m}",
        "SDWebImage/SDWebImageWebPCoder.{h,m}"
      ],
      "xcconfig": {
        "GCC_PREPROCESSOR_DEFINITIONS": "$(inherited) SD_WEBP=1",
        "USER_HEADER_SEARCH_PATHS": "$(inherited) $(SRCROOT)/libwebp/'
/Users/shixin/.rvm/rubies/ruby-2.7.2/lib/ruby/gems/2.7.0/gems/cocoapods-core-1.12.0/lib/cocoapods-core/specification/json.rb:66:in `rescue in from_json'
/Users/shixin/.rvm/rubies/ruby-2.7.2/lib/ruby/gems/2.7.0/gems/cocoapods-core-1.12.0/lib/cocoapods-core/specification/json.rb:61:in `from_json'
/Users/shixin/.rvm/rubies/ruby-2.7.2/lib/ruby/gems/2.7.0/gems/cocoapods-core-1.12.0/lib/cocoapods-core/specification.rb:752:in `from_string'

[!] Oh no, an error occurred.

Search for existing GitHub issues similar to yours:
https://github.com/CocoaPods/CocoaPods/search?q=Failed+to+parse+JSON+at+file%3A+%27%2FUsers%2Fshixin%2F.cocoapods%2Frepos%2Ftrunk%2FSpecs%2F1%2F1%2F7%2FSDWebImage%2F4.3.2%2FSDWebImage.podspec.json%27.%0A%0A434%3A+unexpected+token+at+%27%7B%0A++++++%22name%22%3A+%22WebP%22%2C%0A++++++%22source_files%22%3A+%5B%0A++++++++%22SDWebImage%2FUIImage%2BWebP.%7Bh%2Cm%7D%22%2C%0A++++++++%22SDWebImage%2FSDWebImageWebPCoder.%7Bh%2Cm%7D%22%0A++++++%5D%2C%0A++++++%22xcconfig%22%3A+%7B%0A++++++++%22GCC_PREPROCESSOR_DEFINITIONS%22%3A+%22%24%28inherited%29+SD_WEBP%3D1%22%2C%0A++++++++%22USER_HEADER_SEARCH_PATHS%22%3A+%22%24%28inherited%29+%24%28SRCROOT%29%2Flibwebp%2F%27&type=Issues
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Error output from CocoaPods:↳

Searching for inspections failed: undefined method `map' for nil:NilClass

Error running pod installError launching application on iPad Pro (12.9-inch) (5th generation).