diff --git a/README.md b/README.md
index 4efd818..d4cdb3d 100644
--- a/README.md
+++ b/README.md
@@ -1,5 +1,13 @@
 # ChinaSMS 短信平台 Ruby 接口
 
+## 支持以下短信平台
+
+所有短信平台都禁止发送私人短信，并要求在短信内容末尾加上签名后缀，如【19屋】
+
+* [推立方](http://tui3.com/) 需要审核内容格式和签名，自动在短信加上签名后缀
+* [短信宝](http://www.smsbao.com/)
+* [畅友网络](http://www.chanyoo.cn/)
+
 ## 安装
 
 加入以下代码到 Gemfile:
diff --git a/lib/china_sms/service/tui3.rb b/lib/china_sms/service/tui3.rb
new file mode 100644
index 0000000..fbed612
--- /dev/null
+++ b/lib/china_sms/service/tui3.rb
@@ -0,0 +1,18 @@
+module ChinaSMS
+  module Service
+    # http://tui3.com/
+    module Tui3
+      extend self
+      def to(phone, content)
+        url = "http://tui3.com/api/send/"
+        res = Net::HTTP.post_form(URI.parse(url), k: ChinaSMS.password, t: phone, c: URI::encode(content), p: 1, r: 'json')
+        result res.body
+        #{"err_code":2,"err_msg":"k,\u975e\u6cd5apikey:666666","server_time":"2013-06-30 20:17:36"}
+      end
+
+      def result(json)
+        json
+      end
+    end
+  end
+end
diff --git a/spec/china_sms_spec.rb b/spec/china_sms_spec.rb
index 4248c8d..73aa017 100644
--- a/spec/china_sms_spec.rb
+++ b/spec/china_sms_spec.rb
@@ -2,7 +2,8 @@
 
 describe "ChinaSMS" do
   #let(:service) { :smsbao }
-  let(:service) { :chanyoo }
+  #jlet(:service) { :chanyoo }
+  let(:service) { :tui3 }
   let(:password) { '666666' }
   subject { ChinaSMS }
   before { ChinaSMS.use service, username: 'saberma', password: password }
@@ -11,7 +12,8 @@
   end
   describe "#to" do
     it 'should be success' do
-      result = subject.to('13928452841', '深圳 Rubyist 活动时间变更到明天下午 7:00，请留意。【19屋】')
+      #result = subject.to('13928452841', '深圳 Rubyist 活动时间变更到明天下午 7:00，请留意。【19屋】')
+      result = subject.to('13928452841', '活动通知：深圳 Rubyist 活动时间变更到明天下午 7:00，请留意。')
       puts result
     end
   end