fix: 传入export_headers，使用symbolize_keys

lib/tallty_import_export/export.rb

@@ -162,14 +162,14 @@ module TalltyImportExport
     def export_headers_result **options
       if @headers.present? && @group_key.blank?
         headers_hash = @headers.to_h { |header| [header.with_indifferent_access[:key], header] }.with_indifferent_access
-        export_headers(**options).select do |_header|
+        export_headers(**options.symbolize_keys).select do |_header|
           _header.with_indifferent_access[:key].to_s.in?(headers_hash.keys)
         end.map do |_header|
           _header = _header.with_indifferent_access
           _header.merge(headers_hash[_header[:key]].delete_if { |k, v| v.blank? })
         end
       else
-        @headers = export_headers(**options)
+        @headers = export_headers(**options.symbolize_keys)
       end
     end