[mor] ✖ 绑定表达式: { class } 不符合 JS 表达式规范

[brainee]

Describe the bug 页面转换后，报 [mor] ✖ 绑定表达式: { class } 不符合 JS 表达式规范 无具体日志和说明

To Reproduce https://github.com/brainee/weixin-pages-morjs/tree/main

Expected behavior A clear and concise description of what you expected to happen.

Screenshots If applicable, add screenshots to help explain your problem.

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.