[system] TypeError: Cannot read property 'loadded' of null

使用uni-app+ColorUI开发的H5页面；好像是加了进度条后报错！求解

[system] TypeError: Cannot read property 'loadded' of null
at VueComponent.onShow (index.js:361)
at invokeWithErrorHandling (vue.runtime.esm.js:1865)
at VueComponent.push../node_modules/@dcloudio/vue-cli-plugin-uni/packages/h5-vue/dist/vue.runtime.esm.js.Vue.__call_hook (vue.runtime.esm.js:8541)
at r (index.umd.min.js:1)
at o (index.umd.min.js:1)
at VueComponent.created (index.umd.min.js:1)
at invokeWithErrorHandling (vue.runtime.esm.js:1865)
at callHook (vue.runtime.esm.js:4229)
at VueComponent.Vue._init (vue.runtime.esm.js:5018)
at new VueComponent (vue.runtime.esm.js:5164)