Update README.md

profile/README.md

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-## Hey, this is the KusionStack community. Let's evolve your Internal Developer Platform with KusionStack 👋
+## Welcome to KusionStack! 👋 👋 👋
 
-| 👩‍💻 [Quick Start](https://kusionstack.io/docs/user_docs/getting-started/usecases/deliver-first-project) | 📚 [Website](https://kusionstack.io), [Blog](https://kusionstack.io/blog) | 💻 [YouTube](https://www.youtube.com/channel/UCC1ac3eWbMZ6oMjSLvOisxg/featured), [Bilibili](https://space.bilibili.com/228717294/channel/seriesdetail?sid=2397933)  | #️⃣ [Meeting](https://github.com/KusionStack/community/discussions/categories/meeting)  | 🙌  [Slack](https://join.slack.com/t/kusionstack/shared_invite/zt-19lqcc3a9-_kTNwagaT5qwBE~my5Lnxg), DingTalk: 42753001
+| 👩‍💻 [Quick Start](https://kusionstack.io/docs/user_docs/getting-started/usecases/deliver-first-project) | 📚 [Website](https://kusionstack.io) | 💻 [YouTube](https://www.youtube.com/channel/UCC1ac3eWbMZ6oMjSLvOisxg/featured), [Bilibili](https://space.bilibili.com/228717294/channel/seriesdetail?sid=2397933)  | #️⃣ [Meeting](https://github.com/KusionStack/community/discussions/categories/meeting)  | 🙌  [Slack](https://join.slack.com/t/kusionstack/shared_invite/zt-19lqcc3a9-_kTNwagaT5qwBE~my5Lnxg), DingTalk: 42753001
 
-KusionStack is an open-source project and community working to build a more efficient and secure enterprise-grade Internal Developer Platform in Kubernetes and Clouds
+We are a team of platform engineers who firmly believe the [Platform Engineering](https://platformengineering.org/) accelerates innovation. Dynamic Configuration Management, Infrastructure Orchestration and Release Management are the core components of platform, and we are building open source toolkits to help organizations unlock the power of Platform Engineering.
 
-- [Kusion](https://github.com/KusionStack/kusion): The platform engineering engine of KusionStack to deliver intentions to Kubernetes and clouds.
-- [Catalog](https://github.com/KusionStack/catalog): Catalog of shared Kusion Models and Generators.
+## 💻 Kusion
+
+[Kusion](https://github.com/KusionStack/kusion) is a modern application delivery and management toolchain that enables developers to specify desired intent in a declarative way and then using consistent workflow to drive continuous deployment through application lifecycle. 
+
+Inspired by the phrase **Fusion on Kubernetes**, Kusion aims to help application and platform developers to develop and deliver in a self-serviceable, fast, reliable, and collaborative way.
+
+## ⚙️ Operating
+
+[KusionStack Operating](https://github.com/KusionStack/operating) consists of workloads and operators built on Kubernetes Custom Resource Definitions, with a primary aim of bridging the gap between platform and Kubernetes.
+
+By keeping more operation works finished in Kubernetes layer, KusionStack Operating reduces complexity when interacting with Kubernetes and enhances convenience for platform developers.
+
+## 🔮 Our Mission
+
+Empower organizations to build self-service, collaborative, reliable and sustainable [Internal Developer Platform](https://internaldeveloperplatform.org/) at any scale.
+
+## 📜 Our Blog
+
+We regularly post about technical practice and thinking we have solved and provide updates about KusionStack. Get a first glympse [@ medium](https://medium.com/@kusionstack).