新人求指教

載入文件 suapp_loader.rb 時出錯
Error: #<Encoding::UndefinedConversionError: "\xAF\xE4" from GBK to UTF-8>
C:/Program Files (x86)/SUAPP/suapp/suruby/gems/httpclient/lib/httpclient.rb:10:in `require'
C:/Program Files (x86)/SUAPP/suapp/suruby/gems/httpclient/lib/httpclient.rb:10:in `<top (required)>'
C:/Program Files (x86)/SUAPP/suapp/suapp_main.rb:262:in `require'
C:/Program Files (x86)/SUAPP/suapp/suapp_main.rb:262:in `<encoded>'
C:/Program Files (x86)/SUAPP/suapp/suapp_main.rb:7:in `RGLoader_load'
C:/Program Files (x86)/SUAPP/suapp/suapp_main.rb:7:in `<top (required)>'
C:/Users/zhonghualiang/AppData/Roaming/SketchUp/SketchUp 2015/SketchUp/Plugins/suapp_loader.rb:5:in `require'
C:/Users/zhonghualiang/AppData/Roaming/SketchUp/SketchUp 2015/SketchUp/Plugins/suapp_loader.rb:5:in `<top (required)>'

我也是這樣啊 哪個大神解答下啊

Error: #<Encoding::UndefinedConversionError: "\xAF\xE4" from GBK to UTF-8>
將suapp_loader.rb文件編碼轉為UTF-8試試。
用文本打開suapp_loader.rb文件，然后將編碼改為UTF-8再保存。

步驟呢