when I compiled the last edition, the errors are as followed

[mobyIsMe]

An error occurred while processing the post-install hook of the Podfile.

unknown file type: Pods/Target Support Files/Pods/Pods-acknowledgements.plist

/System/Library/Frameworks/Ruby.framework/Versions/2.0/usr/lib/ruby/2.0.0/fileutils.rb:1375:in `copy'
/System/Library/Frameworks/Ruby.framework/Versions/2.0/usr/lib/ruby/2.0.0/fileutils.rb:463:in `block in copy_entry'
/System/Library/Frameworks/Ruby.framework/Versions/2.0/usr/lib/ruby/2.0.0/fileutils.rb:1485:in `call'
/System/Library/Frameworks/Ruby.framework/Versions/2.0/usr/lib/ruby/2.0.0/fileutils.rb:1485:in `wrap_traverse'
/System/Library/Frameworks/Ruby.framework/Versions/2.0/usr/lib/ruby/2.0.0/fileutils.rb:460:in `copy_entry'
/System/Library/Frameworks/Ruby.framework/Versions/2.0/usr/lib/ruby/2.0.0/fileutils.rb:435:in `block in cp_r'
/System/Library/Frameworks/Ruby.framework/Versions/2.0/usr/lib/ruby/2.0.0/fileutils.rb:1558:in `block in fu_each_src_dest'
/System/Library/Frameworks/Ruby.framework/Versions/2.0/usr/lib/ruby/2.0.0/fileutils.rb:1574:in `fu_each_src_dest0'
/System/Library/Frameworks/Ruby.framework/Versions/2.0/usr/lib/ruby/2.0.0/fileutils.rb:1556:in `fu_each_src_dest'
/System/Library/Frameworks/Ruby.framework/Versions/2.0/usr/lib/ruby/2.0.0/fileutils.rb:434:in `cp_r'
/Users/hongli/Documents/IOS Project/GreatReader/Podfile:10:in `block (2 levels) in from_ruby'
/Library/Ruby/Gems/2.0.0/gems/cocoapods-core-1.0.1/lib/cocoapods-core/podfile.rb:180:in `call'
/Library/Ruby/Gems/2.0.0/gems/cocoapods-core-1.0.1/lib/cocoapods-core/podfile.rb:180:in `post_install!'
/Library/Ruby/Gems/2.0.0/gems/cocoapods-1.0.1/lib/cocoapods/installer.rb:823:in `run_podfile_post_install_hook'
/Library/Ruby/Gems/2.0.0/gems/cocoapods-1.0.1/lib/cocoapods/installer.rb:811:in `block in run_podfile_post_install_hooks'
/Library/Ruby/Gems/2.0.0/gems/cocoapods-1.0.1/lib/cocoapods/user_interface.rb:141:in `message'
/Library/Ruby/Gems/2.0.0/gems/cocoapods-1.0.1/lib/cocoapods/installer.rb:810:in `run_podfile_post_install_hooks'
/Library/Ruby/Gems/2.0.0/gems/cocoapods-1.0.1/lib/cocoapods/installer.rb:172:in `block in generate_pods_project'
/Library/Ruby/Gems/2.0.0/gems/cocoapods-1.0.1/lib/cocoapods/user_interface.rb:63:in `section'
/Library/Ruby/Gems/2.0.0/gems/cocoapods-1.0.1/lib/cocoapods/installer.rb:167:in `generate_pods_project'
/Library/Ruby/Gems/2.0.0/gems/cocoapods-1.0.1/lib/cocoapods/installer.rb:119:in `install!'
/Library/Ruby/Gems/2.0.0/gems/cocoapods-1.0.1/lib/cocoapods/command/install.rb:37:in `run'
/Library/Ruby/Gems/2.0.0/gems/claide-1.0.0/lib/claide/command.rb:334:in `run'
/Library/Ruby/Gems/2.0.0/gems/cocoapods-1.0.1/lib/cocoapods/command.rb:50:in `run'
/Library/Ruby/Gems/2.0.0/gems/cocoapods-1.0.1/bin/pod:55:in `<top (required)>'
/usr/local/bin/pod:23:in `load'
/usr/local/bin/pod:23:in `<main>'

The steps are : I update the pods, but it came out with the error above, and the project missed the file ".workspace", pls help me @semweb @simpzan @l800891

[semweb]

@mobyzhang I've fixed this issue 41d5f7e. Please try pod update once again.

[mobyIsMe]

@semweb ありがとう！
It works!