diff --git a/README.rst b/README.rst
index 474a5a8..9c349d0 100644
--- a/README.rst
+++ b/README.rst
@@ -23,7 +23,7 @@ yunpian-python-sdk
         from yunpian_python_sdk.ypclient import YunpianClient
         # 初始化client,apikey作为所有请求的默认值
         clnt = YunpianClient('apikey')
-        param = {YC.MOBILE:'18616020***',YC.TEXT:'【云片网】您的验证码是1234'}
+        param = {"mobile":"18616020***","text":"【云片网】您的验证码是1234"}
         r = clnt.sms().single_send(param)
         # 获取返回结果, 返回码:r.code(),返回码描述:r.msg(),API结果:r.data(),其他说明:r.detail(),调用异常:r.exception()
         # 短信:clnt.sms() 账户:clnt.user() 签名:clnt.sign() 模版:clnt.tpl() 语音:clnt.voice() 流量:clnt.flow()
@@ -70,4 +70,4 @@ SDK开源QQ群: 106469530
 -------
 
 -  https://github.com/yunpian/sms/tree/master/yunpian/python/ypclient
-   支持py2/3
\ No newline at end of file
+   支持py2/3