[Bug] 在架构图生成的过程中报错，Failed to execute 'atob' on 'Window': The string to be decoded contains characters outside of the Latin1 range.

在架构图生成的过程中，做到一半，报错：

<img width="666" height="336" alt="Image" src="https://github.com/user-attachments/assets/1cca0499-4bf5-4e6b-bcab-ebaceaa5a58e" />

<img width="549" height="626" alt="Image" src="https://github.com/user-attachments/assets/c7c8ae3c-8c59-47d5-a947-8e5e4f26f1c6" />