diff --git a/cocoapods-imy-bin/lib/cocoapods-imy-bin/helpers/framework_builder.rb b/cocoapods-imy-bin/lib/cocoapods-imy-bin/helpers/framework_builder.rb
index b93ebc6..4147e93 100755
--- a/cocoapods-imy-bin/lib/cocoapods-imy-bin/helpers/framework_builder.rb
+++ b/cocoapods-imy-bin/lib/cocoapods-imy-bin/helpers/framework_builder.rb
@@ -221,7 +221,7 @@ def copy_headers
         raise "copy_headers #{spec_header_dir} no exist " unless File.exist?(spec_header_dir)
 
         Dir.chdir(spec_header_dir) do
-          headers = Dir.glob('*.h')
+          headers = Dir.glob('**/*.h')
           headers.each do |h|
             public_headers << Pathname.new(File.join(Dir.pwd,h))
           end