新建uniapp项目使用uniapp框架组件接口模板，运行后白屏，只有底部四个内置组件 接口 扩展组件 模板四个tab

新建uniapp项目使用uniapp框架组件接口模板，运行后白屏，只有底部四个内置组件 接口 扩展组件 模板四个tab，其余什么都没有，报错：
reportJSException >>>> exception function:createInstanceContext, exception:white screen cause create instanceContext failed,check js stack ->Uncaught TypeError: Cannot read property 'length' of undefined
15:27:23.774 at (pages/tabBar/component/component.js.nvue:2407:126478)
15:27:23.795 at 2 (pages/tabBar/component/component.js.nvue:2407:127183)
15:27:23.837 at webpack_require (pages/tabBar/component/component.js.nvue:21:30)
15:27:23.875 at 1 (pages/tabBar/component/component.js.nvue:1579:41)
15:27:23.915 at webpack_require (pages/tabBar/component/component.js.nvue:21:30)
15:27:23.995 at 118 (pages/tabBar/component/component.js.nvue:1618:1)
15:27:24.035 at webpack_require (pages/tabBar/component/component.js.nvue:21:30)
15:27:24.070 at (pages/tabBar/component/component.js.nvue:85:18)
15:27:24.105 at (pages/tabBar/component/component.js.nvue:88:10)
15:27:25.155 reportJSException >>>> exception function:createInstanceContext, exception:white screen cause create instanceContext failed,check js stack ->Uncaught TypeError: Cannot read property 'length' of undefined
15:27:25.196 at (app-service.js:23850:126538)
15:27:25.235 at (app-service.js:23850:127243)
15:27:25.275 at (app-service.js:23851:30)
15:27:25.295 at webpack_require (app-service.js:80:30)
15:27:25.327 at (app-service.js:49898:41)
15:27:25.357 at webpack_require (app-service.js:80:30)
15:27:25.406 at (app-service.js:164:1)
15:27:25.444 at webpack_require (app-service.js:80:30)
15:27:25.475 at checkDeferredModules (app-service.js:46:23)