apk Domain: undefined

[codthing]

In the development environment, everything works fine. But when I packaged the apk and installed it into the emulator to open it, the correct page was not displayed.

version info

 Expo CLI 4.1.6 environment info:
    System:
      OS: Windows 10 10.0.18363
    Binaries:
      Node: 15.6.0 - C:\Program Files\nodejs\node.EXE
      Yarn: 1.22.5 - C:\Program Files (x86)\Yarn\bin\yarn.CMD
      npm: 7.4.2 - C:\Program Files\nodejs\npm.CMD
    SDKs:
      Android SDK:
        API Levels: 27, 28, 29, 30
        Build Tools: 28.0.3, 29.0.2, 30.0.2
        System Images: android-28 | Intel x86 Atom_64, android-29 | Intel x86 Atom_64, android-30 | Google APIs Intel x86 Atom
    IDEs:
      Android Studio: Version  4.1.0.0 AI-201.8743.12.41.6953283
    npmPackages:
      expo: ~40.0.0 => 40.0.0
      react: 16.13.1 => 16.13.1
      react-dom: 16.13.1 => 16.13.1
      react-native: 0.63.4 => 0.63.4
      react-native-web: ~0.13.12 => 0.13.18
    Expo Workflow: bare

[codthing]

problem solved
react-native-webview/react-native-webview#1050 (comment)