刚刚解决了签名问题又出现了这个问题，求帮助

你好，楼主我遇到一个问题你看看不能帮我看一下
No test server found for this combination of app and calabash version. Recreating test server.
D:/Ruby/Ruby22-x64/lib/ruby/gems/2.2.0/gems/calabash-android-0.8.0/lib/calabash-android/helpers.rb:18:in package_name': 'package' not found in aapt output (RuntimeError)
from D:/Ruby/Ruby22-x64/lib/ruby/gems/2.2.0/gems/calabash-android-0.8.0/bin/calabash-android-build.rb:41:inblock (2 levels) in calabash_build'
from D:/Ruby/Ruby22-x64/lib/ruby/gems/2.2.0/gems/calabash-android-0.8.0/bin/calabash-android-build.rb:37:in chdir'
from D:/Ruby/Ruby22-x64/lib/ruby/gems/2.2.0/gems/calabash-android-0.8.0/bin/calabash-android-build.rb:37:inblock in calabash_build'
from D:/Ruby/Ruby22-x64/lib/ruby/2.2.0/tmpdir.rb:88:in mktmpdir'
from D:/Ruby/Ruby22-x64/lib/ruby/gems/2.2.0/gems/calabash-android-0.8.0/bin/calabash-android-build.rb:36:incalabash_build'
from D:/Ruby/Ruby22-x64/lib/ruby/gems/2.2.0/gems/calabash-android-0.8.0/lib/calabash-android/helpers.rb:106:in build_test_server_if_needed'
from D:/Ruby/Ruby22-x64/lib/ruby/gems/2.2.0/gems/calabash-android-0.8.0/bin/calabash-android-run.rb:16:incalabash_run'
from D:/Ruby/Ruby22-x64/lib/ruby/gems/2.2.0/gems/calabash-android-0.8.0/bin/calabash-android:84:in <top (required)>'
from D:/Ruby/Ruby22-x64/bin/calabash-android:22:inload'
from D:/Ruby/Ruby22-x64/bin/calabash-android:22:in `