Update README

Author: yndu13

README-CN.md

@@ -11,9 +11,9 @@
 <a href="https://codecov.io/gh/aliyun/aliyun-openapi-cpp-sdk"><img src="https://codecov.io/gh/aliyun/aliyun-openapi-cpp-sdk/branch/master/graph/badge.svg" alt="codecov"></a>
 </p>
 
-Alibaba Cloud SDK for C++ 让您不用复杂编程即可访问云服务器、负载均衡、云监控等阿里云服务。这里向您介绍如何获取 Alibaba Cloud SDK for C++ 并开始调用。
+阿里云 V1.0 SDK 即将进入基础安全维护阶段，不再建议使用，建议使用 V2.0 SDK。
 
-如果您在使用的过程中遇到任何问题，欢迎前往[阿里云SDK问答社区](https://yq.aliyun.com/tags/type_ask-tagid_23350)提问，提问前请阅读[提问引导](https://help.aliyun.com/document_detail/93957.html)。亦可在当前 GitHub [提交 Issues](https://github.com/aliyun/aliyun-openapi-cpp-sdk/issues/new)。
+如果您在使用的过程中遇到任何问题，可在当前 GitHub [提交 Issues](https://github.com/aliyun/aliyun-openapi-cpp-sdk/issues/new)。
 
 ## 使用诊断
 

README.md

@@ -11,9 +11,7 @@ English | [简体中文](./README-CN.md)
 <a href="https://codecov.io/gh/aliyun/aliyun-openapi-cpp-sdk"><img src="https://codecov.io/gh/aliyun/aliyun-openapi-cpp-sdk/branch/master/graph/badge.svg" alt="codecov"></a>
 </p>
 
-Alibaba Cloud SDK for C++ allows you to access Alibaba Cloud services such as Elastic Compute Service (ECS), Server Load Balancer (SLB), and CloudMonitor. You can access Alibaba Cloud services without the need to handle API related tasks, such as signing and constructing your requests.
-
-This document introduces how to obtain and call this SDK.
+The Alibaba Cloud V1.0 SDK will soon enter the Basic Security Maintenance phase and is no longer recommended for use. It is suggested to use the V2.0 SDK instead.
 
 If you have any problem while using Alibaba Cloud SDK for C++, please submit an [issue](https://github.com/aliyun/aliyun-openapi-cpp-sdk/issues/new).