> For the complete documentation index, see [llms.txt](https://docs.decentraland.org/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.decentraland.org/creator/content-creator-zh/chang-jing-sdk7/ku/manage-dependencies.md).

# 管理依赖项

如何向场景添加库

很多时候，你的场景可能需要一些已经封装在可复用库中的功能。使用外部库可以让你的工作轻松很多。

你可以将外部库导入到 Decentraland 项目中，然后引用这些库中描述的系统、组件或函数。

查看 [示例页面](https://studios.decentraland.org/resources?sdk_version=SDK7\&resource_type=Library) ，以找到一系列由 Decentraland 基金会和社区成员创建的库，它们可以解决常见问题。

## 通过 CLI

### 安装

要在项目文件夹中安装库，请运行 `npm i` 以及你项目根路径中的库名称。例如：

`npm i @dcl-sdk/utils`

> **📔 注意**：你可能需要在 `npm run start` 或 `npm run build` 安装库之后运行，以便安装该库的依赖项。

### 更新

如果你的 `package.json` 文件将该库的版本列为 `@latest`，那么请运行 `npm i` 以将所有库更新到各自的最新版本。

如果你的 `package.json` 引用了特定版本号，你可以通过运行安装该库的命令来更新它，并在末尾添加 `@` 和版本号。例如：

`npm i @dcl-sdk/utils@1.7.5`

### 卸载

要从你的场景依赖中删除某个库，请运行 `npm rm` 以及库名称。例如：

`npm rm @dcl-sdk/utils`

删除任何你未使用的库是个好习惯。未使用的库仍会占用场景空间，影响玩家下载和运行你的场景体验。


---

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