> For the complete documentation index, see [llms.txt](https://docs.convai.com/api-docs/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.convai.com/api-docs/zh/cha-jian-yu-ji-cheng/unity-plugin/troubleshooting-guide/missing-newtonsoft-json.md).
# 缺少 Newtonsoft Json
我们的插件包含多个使用 Newtonsoft Json 的脚本和依赖项。如果插件中缺少 Newtonsoft Json，可能会导致大量错误，如下所示：
确保你的 packages 中包含 NewtonSoft.Json。前往你的项目文件夹。
然后进入 Packages 文件夹。在 Packages 文件夹中，点击 manifest.json。将会打开一个包含项目依赖项的 json 文件。
在顶部添加 Newtonsoft Json 包。
```json
"com.unity.nuget.newtonsoft-json": "3.2.1",
```
最终的 manifest.json 应如下所示。
```json
{
"dependencies": {
"com.unity.nuget.newtonsoft-json": "3.2.1",
"com.unity.animation.rigging": "1.1.1",
"com.unity.ide.rider": "3.0.16",
"com.unity.ide.visualstudio": "2.0.16",
"com.unity.ide.vscode": "1.2.5",
"com.unity.test-framework": "1.1.33",
"com.unity.textmeshpro": "3.0.6",
"com.unity.timeline": "1.6.4",
.
.
.
}
}
```
---
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