原文地址：http://www.colabug.com/thread-1071353-1-1.html
sudo gem install cocoapods成功后，pod search AFNetworking出现以下问题
��� MARKDOWN TEMPLATE �����������������������������������������������������������
### Command
```
/usr/bin/pod search AFNetworking
```
### Report
* What did you do?
* What did you expect to happen?
* What happened instead?
### Stack
```
CocoaPods : 0.37.1
Ruby : ruby 2.0.0p481 (2014-05-08 revision 45883) [universal.x86_64-darwin13]
RubyGems : 2.0.14
Host : Mac OS X 10.9.5 (13F34)
Xcode : 6.1 (6A1052d)
Git : git version 1.9.3 (Apple Git-50)
Ruby lib dir : /System/Library/Frameworks/Ruby.framework/Versions/2.0/usr/lib
Repositories : master - https://github.com/CocoaPods/Specs.git @ ae94687824173a70608bafaa25613f041d2b1f73
```
### Plugins
```
cocoapods-plugins : 0.4.2
cocoapods-trunk : 0.6.0
cocoapods-try : 0.4.4
```
### Error
```
ArgumentError - invalid byte sequence in GB2312
/Library/Ruby/Gems/2.0.0/gems/cocoapods-core-0.37.1/lib/cocoapods-core/source.rb:241:in `==='
/Library/Ruby/Gems/2.0.0/gems/cocoapods-core-0.37.1/lib/cocoapods-core/source.rb:241:in `each'
/Library/Ruby/Gems/2.0.0/gems/cocoapods-core-0.37.1/lib/cocoapods-core/source.rb:241:in `grep'
/Library/Ruby/Gems/2.0.0/gems/cocoapods-core-0.37.1/lib/cocoapods-core/source.rb:241:in `search_by_name'
/Library/Ruby/Gems/2.0.0/gems/cocoapods-core-0.37.1/lib/cocoapods-core/source/aggregate.rb:106:in `block in search_by_name'
/Library/Ruby/Gems/2.0.0/gems/cocoapods-core-0.37.1/lib/cocoapods-core/source/aggregate.rb:105:in `each'
/Library/Ruby/Gems/2.0.0/gems/cocoapods-core-0.37.1/lib/cocoapods-core/source/aggregate.rb:105:in `search_by_name'
/Library/Ruby/Gems/2.0.0/gems/cocoapods-0.37.1/lib/cocoapods/sources_manager.rb:135:in `search_by_name'
/Library/Ruby/Gems/2.0.0/gems/cocoapods-0.37.1/lib/cocoapods/command/search.rb:79:in `local_search'
/Library/Ruby/Gems/2.0.0/gems/cocoapods-0.37.1/lib/cocoapods/command/search.rb:57:in `run'
/Library/Ruby/Gems/2.0.0/gems/claide-0.8.1/lib/claide/command.rb:312:in `run'
/Library/Ruby/Gems/2.0.0/gems/cocoapods-0.37.1/lib/cocoapods/command.rb:46:in `run'
/Library/Ruby/Gems/2.0.0/gems/cocoapods-0.37.1/bin/pod:44:in `<top (required)>'
/usr/bin/pod:23:in `load'
/usr/bin/pod:23:in `<main>'
```
��� TEMPLATE END ����������������������������������������������������������������
[!] Oh no, an error occurred.
Search for existing GitHub issues similar to yours:
https://github.com/CocoaPods/CocoaPods/search?q=invalid+byte+sequence+in+GB2312&type=Issues
If none exists, create a ticket, with the template displayed above, on:
https://github.com/CocoaPods/CocoaPods/issues/new
Be sure to first read the contributing guide for details on how to properly submit a ticket:
https://github.com/CocoaPods/CocoaPods/blob/master/CONTRIBUTING.md
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心情无比酸爽，解决方法：
$ export LANG=en_US.UTF-8
$ export LANGUAGE=en_US.UTF-8
$ export LC_ALL=en_US.UTF-8