docs: update contributing

 # Contribution Guide
 # Contribution Guide
 
 
-Thank you for contributing to this project!
-To maintain code quality and a clean version history, please follow the steps below when submitting your changes.
+Thank you for your interest in contributing to this project!
+To maintain high code quality and clear version management, please follow the steps below when submitting your changes.
 
 
 # 🪄 How to Submit a Pull Request (PR)
 # 🪄 How to Submit a Pull Request (PR)
 
 
 ## 1️⃣ Fork the Repository
 ## 1️⃣ Fork the Repository
 
 
-Fork this repository to your GitHub account.
+Fork this repository to your own GitHub account.
 
 
-## 2️⃣ Clone to Your Local Machine
+## 2️⃣ Clone to Local
 
 
 ```bash
 ```bash
 git clone https://github.com/<your-username>/<repository-name>.git
 git clone https://github.com/<your-username>/<repository-name>.git
 cd <repository-name>
 cd <repository-name>
 ```
 ```
 
 
-## 3️⃣ Switch to the `dev` Branch (Make Sure You Base Your Work on the Latest Code)
-
-```bash
-git checkout dev
-git pull origin dev     # Synchronize the latest code from the remote dev branch.
-```
-
-> ⚠️ Always create your feature branch from **`dev`**, not `main`.
-
-## 4️⃣ Create a Feature Branch
+## 3️⃣ Create a Feature Branch
 
 
 ```bash
 ```bash
 git checkout -b feature/your-feature-name
 git checkout -b feature/your-feature-name
 ```
 ```
 
 
-> Recommended branch naming conventions: `feature/xxx` or `fix/xxx` for easy identification of features or bug fixes.
+> Recommended naming convention: `feature/xxx` or `fix/xxx`, to easily distinguish between new features and bug fixes.
 
 
-## 5️⃣ Develop and Test
+## 4️⃣ Develop and Test
 
 
 * Make your code changes while keeping the project’s coding style consistent.
 * Make your code changes while keeping the project’s coding style consistent.
-* Ensure that new features or fixes pass all tests.
+* Ensure that all new features or fixes pass the necessary tests.
 
 
-## 6️⃣ Commit Your Changes
+## 5️⃣ Commit Your Changes
 
 
 ```bash
 ```bash
 git add .
 git add .
 git commit -m "type: short description"
 git commit -m "type: short description"
 ```
 ```
 
 
-> It is recommended to follow [Conventional Commits](https://www.conventionalcommits.org/), keeping the commit history clear.
+> It’s recommended to follow the [Conventional Commits](https://www.conventionalcommits.org/en/v1.0.0/) specification to keep commit history clean and readable.
 
 
-## 7️⃣ Push to Your Remote Repository
+## 6️⃣ Push to Remote
 
 
 ```bash
 ```bash
 git push origin feature/your-feature-name
 git push origin feature/your-feature-name
 ```
 ```
 
 
-## 8️⃣ Open a Pull Request
+## 7️⃣ Open a Pull Request
 
 
-1. Click **New Pull Request** on GitHub.
-2. **The target branch must be this repository’s `dev` branch**.
+1. On GitHub, click **New Pull Request**.
+2. **The target branch must be the `main` branch** of this repository.
 3. Fill in the PR description:
 3. Fill in the PR description:
 
 
-   * Explain the main changes.
-   * Link any related issues if applicable.
-
-> ⚠️ Do **not** target the `main` branch with your PR to avoid affecting the stable mainline.
+   * Describe the main changes you made.
+   * If related issues exist, please link them in the PR.

@@ -16,16 +16,7 @@ git clone https://github.com/<你的用户名>/<仓库名>.git
 cd <仓库名>
 cd <仓库名>
 ```
 ```
 
 
-## 3️⃣ 切换到 `dev` 分支（确保基于最新代码开发）
-
-```bash
-git checkout dev
-git pull origin dev     # 同步远程 dev 分支的最新代码
-```
-
-> ⚠️ 请务必从 **`dev` 分支** 创建你的功能分支，而不是从 `main`。
-
-## 4️⃣ 创建功能分支
+## 3️⃣ 创建功能分支
 
 
 ```bash
 ```bash
 git checkout -b feature/你的功能名
 git checkout -b feature/你的功能名
@@ -33,12 +24,12 @@ git checkout -b feature/你的功能名
 
 
 > 建议分支命名规范：`feature/xxx` 或 `fix/xxx`，便于识别功能或修复类型。
 > 建议分支命名规范：`feature/xxx` 或 `fix/xxx`，便于识别功能或修复类型。
 
 
-## 5️⃣ 开发与测试
+## 4️⃣ 开发与测试
 
 
 * 进行代码修改，保持项目代码风格一致。
 * 进行代码修改，保持项目代码风格一致。
 * 确保新增功能或修复通过测试。
 * 确保新增功能或修复通过测试。
 
 
-## 6️⃣ 提交修改
+## 5️⃣ 提交修改
 
 
 ```bash
 ```bash
 git add .
 git add .
@@ -47,19 +38,17 @@ git commit -m "类型: 简短描述"
 
 
 > 推荐遵循 [Conventional Commits](https://www.conventionalcommits.org/zh-hans/)，保持提交记录清晰。
 > 推荐遵循 [Conventional Commits](https://www.conventionalcommits.org/zh-hans/)，保持提交记录清晰。
 
 
-## 7️⃣ 推送到远程仓库
+## 6️⃣ 推送到远程仓库
 
 
 ```bash
 ```bash
 git push origin feature/你的功能名
 git push origin feature/你的功能名
 ```
 ```
 
 
-## 8️⃣ 发起 Pull Request
+## 7️⃣ 发起 Pull Request
 
 
 1. 在 GitHub 上点击 **New Pull Request**。
 1. 在 GitHub 上点击 **New Pull Request**。
-2. **目标分支必须是本仓库的 `dev` 分支**。
+2. **目标分支必须是本仓库的 `main` 分支**。
 3. 填写 PR 描述：
 3. 填写 PR 描述：
 
 
    * 说明主要改动内容
    * 说明主要改动内容
    * 如有相关 issue，请在 PR 中关联
    * 如有相关 issue，请在 PR 中关联
-
-> ⚠️ PR **绝对不要指向 `main` 分支**，避免影响主线稳定性。