npm run andriod 输出结果，一切正常，但是模拟器中启动App后很快闪退

直接从慕课网仓库下载的源码，什么都没改

gaosx@gaosx-TianYi510Pro-14IOB:~/下载/AccountManage-master/accountmanage$ npm run android 

> accountmanage@0.0.1 android
> react-native run-android

info JS server already running.
info Installing the app...

> Task :app:installDebug
Installing APK 'app-debug.apk' on 'Pixel_4_API_31(AVD) - 12' for :app:debug
Installed on 1 device.

BUILD SUCCESSFUL in 3s
72 actionable tasks: 2 executed, 70 up-to-date
info Connecting to the development server...
info Starting the app on "emulator-5554"...
Starting: Intent { cmp=com.accountmanage/.MainActivity }