参考链接：https://developers.weixin.qq.com/community/develop/doc/000aa07b100bd8a4c1d8629ca51c00?highLine=%25E6%2595%25B0%25E5%25AD%2597%25E9%2597%25B4%25E8%25B7%259D
把字体设为 -apple-system 并且在 font-feature-settings 添加 "tnum" 规则
page {
font-family: -apple-system,Helvetica,sans-serif; font-feature-settings:"tnum" 1;}