lib/alipay/sign.rb in alipay-0.3.0 vs lib/alipay/sign.rb in alipay-0.3.1

@@ -3,13 +3,10 @@
 require 'base64'
 
 module Alipay
   module Sign
     def self.generate(params)
-      query = params.sort.map do |key, value|
-        "#{key}=#{value}"
-      end.join('&')
-
+      query = params.sort.map { |item| item.join('=') }.join('&')
       Digest::MD5.hexdigest("#{query}#{Alipay.key}")
     end
 
     def self.verify?(params)
       params = Utils.stringify_keys(params)