diff --git a/lib/top4r/client/base.rb b/lib/top4r/client/base.rb
index e8cedb8..fd6cb39 100644
--- a/lib/top4r/client/base.rb
+++ b/lib/top4r/client/base.rb
@@ -14,7 +14,7 @@ def init
     @@logger = Top4R::Logger.new(@@config.logger, @@config.trace)
     if @parameters and @session
       @parameters = Base64.decode64(@parameters).split('&').inject({}) do |hsh, i| kv = i.split('='); hsh[kv[0]] = kv[1]; hsh end
-      @login = user(@parameters['visitor_nick'])
+      @login = user(eval(@parameters['visitor_nick'].to_utf8)[0])
     end
   end
   
diff --git a/lib/top4r/model/user.rb b/lib/top4r/model/user.rb
index e27b929..cbf98b9 100644
--- a/lib/top4r/model/user.rb
+++ b/lib/top4r/model/user.rb
@@ -98,7 +98,7 @@ def bless(client)
     end
 
     def is_me?
-      @nick == @client.instance_eval("@parameters['visitor_nick']")
+      @nick == eval(@client.instance_eval("@parameters['visitor_nick']").to_utf8)[0]
     end
 
     def unmarshal_other_attrs
diff --git a/top4r-0.2.4.gem b/top4r-0.2.4.gem
new file mode 100644
index 0000000..9ec89b4
Binary files /dev/null and b/top4r-0.2.4.gem differ
diff --git a/top4r.gemspec b/top4r.gemspec
index cee821b..7f2151a 100644
--- a/top4r.gemspec
+++ b/top4r.gemspec
@@ -1,9 +1,9 @@
 # Generated: 2011-12-28 02:43:59 UTC
 Gem::Specification.new do |s|
   s.name = "top4r"
-  s.version = "0.2.3"
+  s.version = "0.2.4"
   s.platform = Gem::Platform::RUBY
-  s.extra_rdoc_files = ["README.textile","CHANGES","TODO","MIT-LICENSE",]
+  s.extra_rdoc_files = ["README.md","CHANGES","TODO","MIT-LICENSE",]
   s.summary = "TOP4R is a library that can help you build plugin for TaoBao.com quickly in pure Ruby."
   s.author = "Nowa Zhu"
   s.email = "nowazhu@gmail.com"