构建失败。独立构建失败！在android expo中

Question

错误日志：-

[stderr] FAILURE: Build failed with an exception.
[stderr] * What went wrong:
[stderr] Execution failed for task ':app:packageRelease'.
[stderr] > A failure occurred while executing com.android.build.gradle.internal.tasks.Workers$ActionFacade
[stderr]    > com.android.ide.common.signing.KeytoolException: Failed to read key my-app from store "/tmp/turtle/keystore-555a98a6-4493-4e37-a56a-d5287960afaa.jks": No key with alias 'my-app' found in keystore /tmp/turtle/keystore-555a98a6-4493-4e37-a56a-d5287960afaa.jks
[stderr] * Try:
[stderr] Run with --stacktrace option to get the stack trace. Run with --info or --debug option to get more log output. Run with --scan to get full insights.
[stderr] * Get more help at https://help.gradle.org
[stderr] BUILD FAILED in 4m 52s

{
  "expo": {
    "name": "new-app",
    "slug": "new-app",
    "version": "1.0.0",
    "sdkVersion": "38.0.0",
    "orientation": "portrait",
    "icon": "./assets/icon.png",
    "android": {
      "package": "com.lingonsaft.myapp",
      "versionCode": 1,
      "icon": "./assets/icon.png"
    },
    "splash": {
      "image": "./assets/splash.png",
      "resizeMode": "contain",
      "backgroundColor": "#ffffff"
    },
    "updates": {
      "fallbackToCacheTimeout": 0
    },
    "assetBundlePatterns": [
      "**/*"
    ],
    "ios": {
      "supportsTablet": true
    },
    "web": {
      "favicon": "./assets/favicon.png"
    }
  }
}

我的app.json。

我在使用expo build：android制作项目的apk时遇到了这个错误，因为我的项目是用react native编写的。谁能告诉我我的app.json是否有问题或其他问题。