const systemInfo = wx.getSystemInfoSync();         console.log('systemInfo', systemInfo)         this.globalData.StatusBar = systemInfo.statusBarHeight;         let custom = wx.getMenuButtonBoundingClientRect(); //获取胶囊的信息，使用胶囊的top,height         if (custom) {             this.globalData.Custom = custom;             // this.globalData.CustomBar = custom.height + (custom.top - systemInfo.statusBarHeight) * 2 + systemInfo.statusBarHeight;             this.globalData.CustomBar = custom.bottom + custom.top - systemInfo.statusBarHeight;         } else {             this.globalData.CustomBar = e.statusBarHeight + 44;         } 上面是app.js中onLaunch里的，但这样还是不行，偶尔还是会在IOS下出现问题。