【openharmony】systemui 跑起来了，但是没有显示出来是怎么回事？错误信息 Error calling aboutToAppe

【openharmony】systemui 应用跑起来了，但是没有显示出来是怎么回事？错误信息如下：

01-01 01:36:05.409   823   926 I 03b00/JSApp: app Log: SystemUI_Default tag: NavigationBar-KeyButton --> aboutToAppear Start
01-01 01:36:05.410   823   926 E 03900/Ace: [<private>(<private>)] Error calling aboutToAppear
01-01 01:36:05.410   823   926 E 03900/Ace: [<private>(<private>)] Error calling aboutToRender
01-01 01:36:05.412   823   926 I 03900/Ace: [<private>(<private>)] No input args, use default row setting
01-01 01:36:05.422   823   926 E 03900/Ace: [<private>(<private>)] Result of render function is empty!
01-01 01:36:05.424   823   926 E 03900/Ace: [<private>(<private>)] Error calling onRenderDone
01-01 01:36:05.425   823   926 I 03900/Ace: [<private>(<private>)] ViewFunctions::Destroy() -> no previous render result to delete