已经解决谢谢
https://developers.weixin.qq.com/miniprogram/dev/reference/api/Page.html#%E9%A1%B5%E9%9D%A2%E4%BA%8B%E4%BB%B6%E5%A4%84%E7%90%86%E5%87%BD%E6%95%B0
