diff --git a/.github/workflows/user_guide.yml b/.github/workflows/user_guide.yml
index 5af76b9f06..dba4c272ba 100644
--- a/.github/workflows/user_guide.yml
+++ b/.github/workflows/user_guide.yml
@@ -35,8 +35,6 @@ jobs:
         git update-ref -d refs/heads/gh-pages
         rm -rf *
         mv ../book/* .
-        # Add custom domain
-        echo "docs.ceresdb.io" > CNAME
         git add .
         git commit -m "Deploy $GITHUB_SHA to gh-pages"
         git push --force
diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index d06e83f81d..4635a11276 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -27,7 +27,7 @@ For features we don't plan to support we will close the feature request ticket (
 
 ## Contributing Changes
 
-CeresDB is written mostly in idiomatic Rust—please see the [Style Guide](docs/dev/style_guide.md) for more details.
+CeresDB is written mostly in idiomatic Rust—please see the [Style Guide](https://docs.ceresdb.io/dev/style_guide.html) for more details.
 All code must adhere to the `rustfmt` format, and pass all of the `clippy` checks we run in CI (there are more details further down this README).
 
 ### Making a PR
@@ -41,7 +41,7 @@ PR title.
 
 For PRs that you consider ready for review, verify the following locally before you submit it:
 
-* you have a coherent set of logical commits, with messages conforming to the [Conventional Commits](docs/dev/conventional-commit.md) specification;
+* you have a coherent set of logical commits, with messages conforming to the [Conventional Commits](https://docs.ceresdb.io/dev/conventional_commit.html) specification;
 * all the tests and/or benchmarks pass, including documentation tests;
 * the code is correctly formatted and all `clippy` checks pass; and
 * you haven't left any "code cruft" (commented out code blocks etc).
@@ -101,4 +101,4 @@ And run with:
 
 ```shell
 cargo clippy --all-targets --workspace -- -D warnings
-```
\ No newline at end of file
+```
diff --git a/README-CN.md b/README-CN.md
index 2ce8d7f345..d8dade5fe4 100644
--- a/README-CN.md
+++ b/README-CN.md
@@ -14,7 +14,7 @@ CeresDB 是一款高性能、分布式、Schema-less 的云原生时序数据库
 项目目前在快速迭代中，早期版本可能存在数据不兼容问题，因此不推荐生产使用及性能测试。
 
 ## RoadMap
-项目 [Roadmap](./docs/dev/roadmap-CN.md)。
+项目 [Roadmap](https://docs.ceresdb.io/dev/roadmap.html)。
 
 ## 快速开始
 ### 获取代码
diff --git a/README.md b/README.md
index 45fa1d0afc..824fba438d 100644
--- a/README.md
+++ b/README.md
@@ -13,75 +13,17 @@ CeresDB is a high-performance, distributed, schema-less, cloud native time-serie
 ## Status
 The project is currently under rapid development. This early stage is not production ready and may incur data corruptions.
 
-## RoadMap
 
-See our [RoadMap](./docs/dev/roadmap.md)
-
-## User Guide
-See https://docs.ceresdb.io/
-
-## Develop
-### Compile and run CeresDB
-#### Install dependencies
-In order to compile CeresDB, some relevant dependencies(including the `Rust` toolchain) should be installed.
-
-#### Dependencies(Ubuntu20.04)
-Assuming the development environment is Ubuntu20.04, execute the following command to install the required dependencies:
-```shell
-apt install git curl gcc g++ libssl-dev pkg-config cmake
-```
-
-It should be noted that the compilation of the project has version requirements for dependencies such as cmake, gcc, g++, etc. If your development environment is an old Linux distribution, it is necessary to manually install these dependencies of a higher version.
-
-#### Dependencies(MacOS)
-If the development environment is MacOS, execute the following command to install the required dependencies.
-
-1. Install command line tools:
-```shell
-xcode-select --install
-```
-2. Install cmake:
-```shell
-brew install cmake
-```
-
-#### Rust
-`Rust` can be installed by [rustup](https://rustup.rs/). After installing rustup, when entering the CeresDB project, the specified `Rust` version will be automatically downloaded according to the rust-toolchain file.
-
-After execution, you need to add environment variables to use the `Rust` toolchain. Basically, just put the following commands into your `~/.bashrc` or `~/.bash_profile`:
-```shell
-source $HOME/.cargo/env
-```
-
-#### Compile and run
-Compile CeresDB by the following command:
-```
-cargo build --release
-```
-
-Then you can run CeresDB using the default configuration file provided in the codebase.
-```bash
-./target/release/ceresdb-server --config ./docs/example.toml
-```
-
-## Platform Support
-
-|          target          |         OS        |         status        |
-|:------------------------:|:-----------------:|:---------------------:|
-| x86_64-unknown-linux-gnu |    kernel 4.9+    | able to build and run |
-|    x86_64-apple-darwin   | 10.15+, Catalina+ |     able to build     |
-|    aarch64-apple-darwin  |   11+, Big Sur+   |     able to build     |
-| aarch64-unknown-linux-gnu|        TBD        | tracked on [#63](https://github.com/CeresDB/ceresdb/issues/63)|
-|         *-windows        |         *         |      not support      |
+## Documentation
+- [User Guide](https://docs.ceresdb.io/)
+- [Development Guide](https://docs.ceresdb.io/dev/compile_run.html)
+- [Roadmap](https://docs.ceresdb.io/dev/roadmap.html)
 
 ## Contributing
 Any contribution is welcome!
 
 Read our [Contributing Guide](CONTRIBUTING.md) and make your first contribution!
 
-## Architecture and Technical Documentation
-Our technical documents(still under writing and polishing) describes critical parts of ceresdb in the [docs](docs).
-
 ## Acknowledgment
 Some design of CeresDB references [influxdb_iox](https://github.com/influxdata/influxdb_iox), and some specific module implementations reference [tikv](https://github.com/tikv/tikv) and other excellent open source projects, thanks to InfluxDB, TiKV, and any other referenced great open source projects.
 
diff --git a/docs/dev/roadmap-CN.md b/docs/dev/roadmap-CN.md
deleted file mode 100644
index 231af44f24..0000000000
--- a/docs/dev/roadmap-CN.md
+++ /dev/null
@@ -1,20 +0,0 @@
-## RoadMap
-### v0.1.0
-- [x] 单机版本，本地存储
-- [x] 分析型存储格式
-- [x] 支持 SQL 查询、写入
-
-### v0.2.0（已发布）
-- [x] 使用配置文件定义静态拓扑的分布式版本
-- [x] 底层存储支持阿里云 OSS
-- [x] 基于 [OBKV](https://github.com/oceanbase/oceanbase) 的 WAL 实现
-
-### v0.3.0
-- [ ] 混合存储格式
-- [ ] 基于`CeresMeta`的静态集群模式
-- [ ] 多语言客户端，包括 Java, Rust 和 Python
-
-### 后续特性
-- [ ] 支持 Prometheus 协议
-- [ ] 分布式 WAL
-- [ ] 支持动态扩容的集群模式
\ No newline at end of file
diff --git a/docs/dockerhub-description.md b/docs/dockerhub-description.md
index 62c47449b9..f2b71f4811 100644
--- a/docs/dockerhub-description.md
+++ b/docs/dockerhub-description.md
@@ -35,5 +35,5 @@ docker run -d --name ceresdb-server \
   ceresdb/ceresdb-server:v0.2.0
 ```
 
-# Write and read data
-- [Quick Start](https://github.com/CeresDB/ceresdb/blob/main/docs/user-guide/src/quick_start.md)
+# Documentation
+- https://docs.ceresdb.io/
diff --git a/docs/user-guide/.gitignore b/docs/guides/.gitignore
similarity index 100%
rename from docs/user-guide/.gitignore
rename to docs/guides/.gitignore
diff --git a/docs/guides/book.toml b/docs/guides/book.toml
new file mode 100644
index 0000000000..e5ad5f9072
--- /dev/null
+++ b/docs/guides/book.toml
@@ -0,0 +1,12 @@
+[book]
+authors = ["CeresDB Authors"]
+language = "en"
+multilingual = false
+src = "src"
+title = "CeresDB Documentation"
+
+[output.html]
+cname = "docs.ceresdb.io"
+
+[output.html.fold]
+enable = true
diff --git a/docs/user-guide/src/SUMMARY.md b/docs/guides/src/SUMMARY.md
similarity index 73%
rename from docs/user-guide/src/SUMMARY.md
rename to docs/guides/src/SUMMARY.md
index fa3fe05532..bbc4b89b30 100644
--- a/docs/user-guide/src/SUMMARY.md
+++ b/docs/guides/src/SUMMARY.md
@@ -22,10 +22,21 @@
 - [Analytic Engine](analytic_engine/README.md)
     - [Options](analytic_engine/options.md)
 - [Deployment](deploy/README.md)
+    - [Supported Platform](deploy/platform.md)
     - [Static Routing](deploy/static_routing.md)
 - [Develop Kits](sdk.md)
 - [Protocol](protocol.md)
 
+# Dev Guide
+- [Supported Platform](dev/platform.md)
+- [Compile and Running](dev/compile_run.md)
+- [Conventional Commit](dev/conventional_commit.md)
+- [Style guide](dev/style_guide.md)
+- [Roadmap](dev/roadmap.md)
+
+# Technical and Design
+- [Architecture](architecture.md)
+
 -----
 
 - [Trouble Shooting](trouble_shooting.md)
diff --git a/docs/user-guide/src/about.md b/docs/guides/src/about.md
similarity index 60%
rename from docs/user-guide/src/about.md
rename to docs/guides/src/about.md
index 5fed32bc1f..0552f50a1d 100644
--- a/docs/user-guide/src/about.md
+++ b/docs/guides/src/about.md
@@ -1,3 +1,12 @@
+![CeresDB](https://github.com/CeresDB/ceresdb/raw/main/docs/logo/CeresDB.png)
+
+![License](https://img.shields.io/badge/license-Apache--2.0-green.svg)
+[![CI](https://github.com/CeresDB/ceresdb/actions/workflows/ci.yml/badge.svg)](https://github.com/CeresDB/ceresdb/actions/workflows/ci.yml)
+[![OpenIssue](https://img.shields.io/github/issues/CeresDB/ceresdb)](https://github.com/CeresDB/ceresdb/issues)
+[![Slack](https://badgen.net/badge/Slack/Join%20CeresDB/0abd59?icon=slack)](https://join.slack.com/t/ceresdbcommunity/shared_invite/zt-1dcbv8yq8-Fv8aVUb6ODTL7kxbzs9fnA)
+[![Docker](https://img.shields.io/docker/v/ceresdb/ceresdb-server?logo=docker)](https://hub.docker.com/r/ceresdb/ceresdb-server)
+
+
 CeresDB is a timeseries database that aims to handle both timeseries and analytic workloads efficiently.
 
 # Motivation
diff --git a/docs/user-guide/src/analytic_engine/README.md b/docs/guides/src/analytic_engine/README.md
similarity index 100%
rename from docs/user-guide/src/analytic_engine/README.md
rename to docs/guides/src/analytic_engine/README.md
diff --git a/docs/user-guide/src/analytic_engine/options.md b/docs/guides/src/analytic_engine/options.md
similarity index 100%
rename from docs/user-guide/src/analytic_engine/options.md
rename to docs/guides/src/analytic_engine/options.md
diff --git a/docs/dev/architeture.md b/docs/guides/src/architecture.md
similarity index 89%
rename from docs/dev/architeture.md
rename to docs/guides/src/architecture.md
index a8d2cd03c6..0841d605ed 100644
--- a/docs/dev/architeture.md
+++ b/docs/guides/src/architecture.md
@@ -59,12 +59,12 @@ The current RPC supports multiple protocols including HTTP, gRPC, MySQL.
 
 Basically, HTTP and MySQL are used to debug CeresDB, query manually and perform DDL operations (such as creating, deleting tables, etc.). And gRPC protocol can be regarded as a customized protocol for high-performance, which is suitable for massive reading and writing operations.
 
-### SQL Layer 
+### SQL Layer
 module path: https://github.com/CeresDB/ceresdb/tree/main/sql
 
 SQL layer takes responsibilities for parsing sql and generating the plan.
 
-Based on [sqlparser](https://github.com/sqlparser-rs/sqlparser-rs) a sql dialect, which introduces some key concepts including `Tag` and `Timestamp`, is provided for processing timeseries data. And by utilizing [DataFusion](https://github.com/apache/arrow-datafusion) the planner can generate not only normal logical plans but also custom ones, such as plans for `PromQL`. 
+Based on [sqlparser](https://github.com/sqlparser-rs/sqlparser-rs) a sql dialect, which introduces some key concepts including `Tag` and `Timestamp`, is provided for processing timeseries data. And by utilizing [DataFusion](https://github.com/apache/arrow-datafusion) the planner can generate not only normal logical plans but also custom ones, such as plans for `PromQL`.
 
 ### Interpreter
 module path: https://github.com/CeresDB/ceresdb/tree/main/interpreters
@@ -177,33 +177,33 @@ After a brief introduction to some important modules of CeresDB, we will give a
 
 ### Query
 ```plaintext
-┌───────┐      ┌───────┐      ┌───────┐ 
-│       │──1──▶│       │──2──▶│       │ 
-│Server │      │  SQL  │      │Catalog│ 
-│       │◀─10──│       │◀─3───│       │ 
-└───────┘      └───────┘      └───────┘ 
-                │    ▲                  
-               4│   9│                  
-                │    │                  
-                ▼    │                  
-┌─────────────────────────────────────┐ 
-│                                     │ 
-│             Interpreter             │ 
-│                                     │ 
-└─────────────────────────────────────┘ 
-                           │    ▲       
-                          5│   8│       
-                           │    │       
-                           ▼    │       
-                   ┌──────────────────┐ 
-                   │                  │ 
-                   │   Query Engine   │ 
-                   │                  │ 
-                   └──────────────────┘ 
-                           │    ▲       
-                          6│   7│       
-                           │    │       
-                           ▼    │       
+┌───────┐      ┌───────┐      ┌───────┐
+│       │──1──▶│       │──2──▶│       │
+│Server │      │  SQL  │      │Catalog│
+│       │◀─10──│       │◀─3───│       │
+└───────┘      └───────┘      └───────┘
+                │    ▲
+               4│   9│
+                │    │
+                ▼    │
+┌─────────────────────────────────────┐
+│                                     │
+│             Interpreter             │
+│                                     │
+└─────────────────────────────────────┘
+                           │    ▲
+                          5│   8│
+                           │    │
+                           ▼    │
+                   ┌──────────────────┐
+                   │                  │
+                   │   Query Engine   │
+                   │                  │
+                   └──────────────────┘
+                           │    ▲
+                          6│   7│
+                           │    │
+                           ▼    │
  ┌─────────────────────────────────────┐
  │                                     │
  │            Table Engine             │
@@ -232,33 +232,33 @@ Here are the details:
 
 ### Write
 ```plaintext
-┌───────┐      ┌───────┐      ┌───────┐ 
-│       │──1──▶│       │──2──▶│       │ 
-│Server │      │  SQL  │      │Catalog│ 
-│       │◀─8───│       │◀─3───│       │ 
-└───────┘      └───────┘      └───────┘ 
-                │    ▲                  
-               4│   7│                  
-                │    │                  
-                ▼    │                  
-┌─────────────────────────────────────┐ 
-│                                     │ 
-│             Interpreter             │ 
-│                                     │ 
-└─────────────────────────────────────┘ 
-      │    ▲                            
-      │    │                            
-      │    │                            
-      │    │                            
-      │    │       ┌──────────────────┐ 
-      │    │       │                  │ 
-     5│   6│       │   Query Engine   │ 
-      │    │       │                  │ 
-      │    │       └──────────────────┘ 
-      │    │                            
-      │    │                            
-      │    │                            
-      ▼    │                            
+┌───────┐      ┌───────┐      ┌───────┐
+│       │──1──▶│       │──2──▶│       │
+│Server │      │  SQL  │      │Catalog│
+│       │◀─8───│       │◀─3───│       │
+└───────┘      └───────┘      └───────┘
+                │    ▲
+               4│   7│
+                │    │
+                ▼    │
+┌─────────────────────────────────────┐
+│                                     │
+│             Interpreter             │
+│                                     │
+└─────────────────────────────────────┘
+      │    ▲
+      │    │
+      │    │
+      │    │
+      │    │       ┌──────────────────┐
+      │    │       │                  │
+     5│   6│       │   Query Engine   │
+      │    │       │                  │
+      │    │       └──────────────────┘
+      │    │
+      │    │
+      │    │
+      ▼    │
  ┌─────────────────────────────────────┐
  │                                     │
  │            Table Engine             │
@@ -281,4 +281,3 @@ Here are the details:
     - Delete the corresponding `WAL` entries;
     - Updates the manifest for the new `SST`s and the sequence number of `WAL`;
 - Server module responds to the client with the execution result.
-
diff --git a/docs/user-guide/src/deploy/README.md b/docs/guides/src/deploy/README.md
similarity index 100%
rename from docs/user-guide/src/deploy/README.md
rename to docs/guides/src/deploy/README.md
diff --git a/docs/guides/src/deploy/platform.md b/docs/guides/src/deploy/platform.md
new file mode 100644
index 0000000000..762f39a773
--- /dev/null
+++ b/docs/guides/src/deploy/platform.md
@@ -0,0 +1,13 @@
+As an open source cloud-native, CeresDB can be deployed in the Intel/ARM-based architecture server, and major virtualization environments.
+
+
+| OS                                                 | status |
+|:--------------------------------------------------:|:------:|
+| Ubuntu LTS 16.06 or later                          | ✅     |
+| CentOS 7.3 or later                                | ✅     |
+| Red Hat Enterprise Linux 7.3 or later 7.x releases | ✅     |
+| macOS 11 or later                                  | ✅     |
+| Windows                                            | ❌     |
+
+- For production workloads, Linux is the preferred platform.
+- macOS is mainly used for development
diff --git a/docs/user-guide/src/deploy/static_routing.md b/docs/guides/src/deploy/static_routing.md
similarity index 100%
rename from docs/user-guide/src/deploy/static_routing.md
rename to docs/guides/src/deploy/static_routing.md
diff --git a/docs/guides/src/dev/README.md b/docs/guides/src/dev/README.md
new file mode 100644
index 0000000000..5441492192
--- /dev/null
+++ b/docs/guides/src/dev/README.md
@@ -0,0 +1 @@
+# Compile and Running
diff --git a/docs/guides/src/dev/compile_run.md b/docs/guides/src/dev/compile_run.md
new file mode 100644
index 0000000000..292141a387
--- /dev/null
+++ b/docs/guides/src/dev/compile_run.md
@@ -0,0 +1,40 @@
+In order to compile CeresDB, some relevant dependencies(including the `Rust` toolchain) should be installed.
+
+# Dependencies(Ubuntu20.04)
+Assuming the development environment is Ubuntu20.04, execute the following command to install the required dependencies:
+```shell
+apt install git curl gcc g++ libssl-dev pkg-config cmake
+```
+
+It should be noted that the compilation of the project has version requirements for dependencies such as cmake, gcc, g++, etc. If your development environment is an old Linux distribution, it is necessary to manually install these dependencies of a higher version.
+
+# Dependencies(MacOS)
+If the development environment is MacOS, execute the following command to install the required dependencies.
+
+1. Install command line tools:
+```shell
+xcode-select --install
+```
+2. Install cmake:
+```shell
+brew install cmake
+```
+
+# Rust
+`Rust` can be installed by [rustup](https://rustup.rs/). After installing rustup, when entering the CeresDB project, the specified `Rust` version will be automatically downloaded according to the rust-toolchain file.
+
+After execution, you need to add environment variables to use the `Rust` toolchain. Basically, just put the following commands into your `~/.bashrc` or `~/.bash_profile`:
+```shell
+source $HOME/.cargo/env
+```
+
+# Compile and run
+Compile CeresDB by the following command:
+```
+cargo build --release
+```
+
+Then you can run CeresDB using the default configuration file provided in the codebase.
+```bash
+./target/release/ceresdb-server --config ./docs/example.toml
+```
diff --git a/docs/dev/conventional-commit.md b/docs/guides/src/dev/conventional_commit.md
similarity index 94%
rename from docs/dev/conventional-commit.md
rename to docs/guides/src/dev/conventional_commit.md
index 0f1ca12733..a891c82430 100644
--- a/docs/dev/conventional-commit.md
+++ b/docs/guides/src/dev/conventional_commit.md
@@ -16,6 +16,7 @@ There are three parts. `type` is used to classify which kind of work this commit
 Here we list some common `type`s and their meanings.
 
 - `feat`: Implement a new feature.
+- `fix`: Patch a bug.
 - `docs`: Add document or comment.
 - `build`: Change the build script or configuration.
 - `style`: Style change (only). No logic involved.
@@ -30,7 +31,7 @@ The `scope` is more flexible than `type`. And it may have different values under
 For example, In a `feat` or `build` commit we may use the code module to define scope, like
 
 ```
-feat(cluster): 
+feat(cluster):
 feat(server):
 
 build(ci):
@@ -51,4 +52,4 @@ But you don't need to add a scope every time. This isn't mandatory. It's just a
 
 # After all
 
-There are many other rules or scenarios in [conventional commit](https://www.conventionalcommits.org/en/v1.0.0/)'s website. We are still exploring a better and more friendly workflow. Please do let us know by [open an issue](https://github.com/CeresDB/ceresdb/issues/new/choose) if you have any suggestions ❤️
\ No newline at end of file
+There are many other rules or scenarios in [conventional commit](https://www.conventionalcommits.org/en/v1.0.0/)'s website. We are still exploring a better and more friendly workflow. Please do let us know by [open an issue](https://github.com/CeresDB/ceresdb/issues/new/choose) if you have any suggestions ❤️
diff --git a/docs/dev/crate-deps.dot b/docs/guides/src/dev/crate-deps.dot
similarity index 100%
rename from docs/dev/crate-deps.dot
rename to docs/guides/src/dev/crate-deps.dot
diff --git a/docs/dev/crate-deps.svg b/docs/guides/src/dev/crate-deps.svg
similarity index 100%
rename from docs/dev/crate-deps.svg
rename to docs/guides/src/dev/crate-deps.svg
diff --git a/docs/guides/src/dev/platform.md b/docs/guides/src/dev/platform.md
new file mode 100644
index 0000000000..521f798298
--- /dev/null
+++ b/docs/guides/src/dev/platform.md
@@ -0,0 +1,8 @@
+
+| target                    | OS                | status                                                         |
+|:-------------------------:|:-----------------:|:--------------------------------------------------------------:|
+| x86_64-unknown-linux-gnu  | kernel 4.9+       | ✅                                                             |
+| x86_64-apple-darwin       | 10.15+, Catalina+ | ✅                                                             |
+| aarch64-apple-darwin      | 11+, Big Sur+     | ✅                                                             |
+| aarch64-unknown-linux-gnu | TBD               | tracked on [#63](https://github.com/CeresDB/ceresdb/issues/63) |
+| *-windows                 | *                 | ❌                                                             |
diff --git a/docs/dev/roadmap.md b/docs/guides/src/dev/roadmap.md
similarity index 100%
rename from docs/dev/roadmap.md
rename to docs/guides/src/dev/roadmap.md
diff --git a/docs/dev/style_guide.md b/docs/guides/src/dev/style_guide.md
similarity index 100%
rename from docs/dev/style_guide.md
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diff --git a/docs/user-guide/src/sql/README.md b/docs/guides/src/sql/README.md
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diff --git a/docs/user-guide/book.toml b/docs/user-guide/book.toml
deleted file mode 100644
index 06e03efd55..0000000000
--- a/docs/user-guide/book.toml
+++ /dev/null
@@ -1,6 +0,0 @@
-[book]
-authors = ["CeresDB Authors"]
-language = "en"
-multilingual = false
-src = "src"
-title = "CeresDB User Guide"