> For the complete documentation index, see [llms.txt](https://3504743864.gitbook.io/yu-lan/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://3504743864.gitbook.io/yu-lan/faq/identify-why-textures-are-not-shown.md).

# 为何自定义材质不显示

### 启用输出日志

![](https://1773363987-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FviuFNGHC5sZVP7qV47ie%2Fuploads%2Fgit-blob-b4b734321dd33d9b07b5d0543f2320480515195d%2Fimmagine%20\(135\).png?alt=media)

### 加入服务器并查看日志

![](https://1773363987-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FviuFNGHC5sZVP7qV47ie%2Fuploads%2Fgit-blob-5223b98f5fa5759d936478d08ef70e80bf561a72%2Fimmagine%20\(136\)%20\(1\)%20\(1\)%20\(1\)%20\(1\)%20\(1\)%20\(1\)%20\(1\)%20\(2\).png?alt=media)

### 找出损坏的文件

你可以非常容易的看出哪些文件加载失败以及失败的原因，在大多数情况下，这些错误都是显而易见的.\
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从示例中的截图中你可以发现 出现问题的文件为 `gem_vending_machine` 和 `whitebathroom_sink`.\
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该错误显示 json 文件已损坏，其文件中可能包含错误字符或已经损坏.