就下面这个代码 华为，小米 oppo 等常用机型都出现过

 wx.previewImage({
      current: "http://smhs-1258084849.cos.ap-nanjing.myqcloud.com/smhswbulk/2021-08-25/229e8202108250816353649.png",
      //数据源
      urls: [
        "http://smhs-1258084849.cos.ap-nanjing.myqcloud.com/smhswbulk/2021-08-25/229e8202108250816353649.png",
      ]
    });