Chinese is not supported

[hhly]

Describe the bug
A clear and concise description of what the bug is.

To Reproduce
See this playground.

Expected behavior
I would have expected the PDF to look like so.
This is in accordance to the following SVG spec.

Desktop (please complete the following information):

• OS: [e.g. iOS]
• Browser [e.g. chrome, safari]
• Version [e.g. 22]

Smartphone (please complete the following information):

• Device: [e.g. iPhone6]
• OS: [e.g. iOS8.1]
• Browser [e.g. stock browser, safari]
• Version [e.g. 22]

Additional context
Add any other context about the problem here.

[hhly]

I added fonts, but Chinese is still garbled

[yGuy]

Works for me

The playground doesn't have a font with chinese characters loaded, but your SVG failed to specify the font name, anyway. You need to specify the font name in the SVG, too.