你的设备还没有粤语语音，暂时不能读粤语。
请先去系统设置安装「粤语（香港）」语音包，然后点右边按钮重新检测。
Windows：设置 → 时间和语言 → 语言；macOS：系统设置 → 辅助功能 → 朗读内容；
iPhone：设置 → 辅助功能 → 朗读内容 → 声音 → 中文 → 粤语（香港）。
No Cantonese voice is installed on this device yet, so audio cannot play.
Install the "Cantonese (Hong Kong)" voice pack in your system settings, then tap the button to check again.
Windows: Settings → Time & language → Language; macOS: System Settings → Accessibility → Spoken Content;
iPhone: Settings → Accessibility → Spoken Content → Voices → Chinese → Cantonese (Hong Kong).