diff --git a/spec/qiniu/rs/io_spec.rb b/spec/qiniu/rs/io_spec.rb
index 9d8f558..ac80a4a 100755
--- a/spec/qiniu/rs/io_spec.rb
+++ b/spec/qiniu/rs/io_spec.rb
@@ -1,4 +1,4 @@
-# -*- encoding: utf-8 -*-
+# Utils.-*- encoding: utf-8 -*-
 
 require 'spec_helper'
 require 'qiniu/rs/auth'
@@ -46,7 +46,7 @@ module Qiniu
 
       context ".upload_with_token" do
         it "should works" do
-          upopts = {:scope => @bucket, :expires_in => 3600, :customer => 1}
+          upopts = {:scope => @bucket, :expires_in => 3600, :customer => "awhy.xu@gmail.com"}
           uptoken = Qiniu::RS.generate_upload_token(upopts)
           code, data = Qiniu::RS::IO.upload_with_token(uptoken, __FILE__, @bucket, @key, nil, nil, nil, true)
           code.should == 200