lib/rock_fintech/sign/sign.rb in rock_fintech-0.9.0 vs lib/rock_fintech/sign/sign.rb in rock_fintech-0.10.0

@@ -12,10 +12,11 @@
       self.sign(data, config) == sign_str
     end # verify
 
     private
 
-    def self.serialize(data)
+    def self.serialize(data_in)
+      data = Marshal.load( Marshal.dump(data_in) ) # deep clone, not affect original data
       data = Hash[data.sort]     # key 按照 alphabet 排序
 
       data.each{ |k, v|
         if v.kind_of?(Hash)      # 如果是 hash 接着 serialize
           data[k] = serialize(v)