// app.js App({   onLaunch() {     console.log('微信版本:', wx.getSystemInfoSync().version);     console.log('基础库版本:', wx.getSystemInfoSync().SDKVersion);     if (wx.canIUse('loadSubpackage')) {       wx.loadSubpackage({         name: 'packageCharts',         success: () => console.log('图表分包预加载成功'),         fail: (err) => console.error('图表分包预加载失败', err)       });     } else {       console.warn('当前基础库不支持分包加载API，请升级微信客户端');       // 可以在这里加载主包中的备用资源     } //app.json "pages": [     "pages/index/index",     "pages/home/home",     "pages/device/device",     "pages/seted/seted"   ],   "subPackages": [     {       "root": "packageCharts",       "pages": ["pages/chartPage"],       "independent": false        },     {       "root": "packageSetting",       "pages": [         "pages/longin/longin",         "pages/seting/seting",         "pages/manual/manual"       ]     }   ],   "preloadRule": {     "pages/home/home": {       "network": "all",       "packages": ["packageSetting","packageCharts"]     }   }, 运行真机测试的日志如下： 微信版本: 8.0.61 app.js? [sm]:5 基础库版本: 3.8.10 app.js? [sm]:6 当前基础库不支持分包加载API，请升级微信客户端