fix: Corrected domain from http://dify.ai to https://dify.ai (#6)

README.md

   <a href="./README_CN.md">简体中文</a>
 </p>
 
-[Website](http://dify.ai) • [Docs](https://docs.dify.ai) • [Twitter](https://twitter.com/dify_ai)
+[Website](https://dify.ai) • [Docs](https://docs.dify.ai) • [Twitter](https://twitter.com/dify_ai)
 
 **Dify** is an easy-to-use LLMOps platform designed to empower more people to create sustainable, AI-native applications. With visual orchestration for various application types, Dify offers out-of-the-box, ready-to-use applications that can also serve as Backend-as-a-Service APIs. Unify your development process with one API for plugins and datasets integration, and streamline your operations using a single interface for prompt engineering, visual analytics, and continuous improvement.
 
 
 ## Use Cloud Services
 
-Visit [Dify.ai](http://dify.ai)
+Visit [Dify.ai](https://dify.ai)
 
 ## Install the Community Edition
 

README_CN.md

 </p>
 
 
-[官方网站](http://dify.ai) • [文档](https://docs.dify.ai/v/zh-hans) • [Twitter](https://twitter.com/dify_ai)
+[官方网站](https://dify.ai) • [文档](https://docs.dify.ai/v/zh-hans) • [Twitter](https://twitter.com/dify_ai)
 
 **Dify** 是一个易用的 LLMOps 平台，旨在让更多人可以创建可持续运营的原生 AI 应用。Dify 提供多种类型应用的可视化编排，应用可开箱即用，也能以“后端即服务”的 API 提供服务。
 
 
 ## 使用云服务
 
-访问 [Dify.ai](http://cloud.dify.ai)
+访问 [Dify.ai](https://cloud.dify.ai)
 
 ## 安装社区版