Use Deep Link, occur error

I'm using Deep link refer to doc: https://reactnavigation.org/docs/deep-linking#setup-with-expo-projects.

• Install dependencies:

{
  "dependencies": {
       "expo": "^49.0.13",
       "expo-linking": "~5.0.2"
   }
}

• Configure my app.json

{
  "name": "ReactNativeDemo",
  "displayName": "ReactNativeDemo",
  "expo": {
    "scheme": "mychat"
  }
}

• import and use Deep Link

import * as Linking from 'expo-linking'

// the following code caused an error to occur
const prefix = Linking.createURL('/')

function App() {
  const linking = {
    prefixes: [prefix]
  }

  return (
    <NavigationContainer linking={linking} fallback={<Text>Loading...</Text>}>
      {/* content */}
    </NavigationContainer>
  )
}

• error message in my ternimal, but compiler is successfull, error occur only running app in ios simulator

Error: expo-linking needs access to the expo-constants manifest (app.json or app.config.js) to determine what URI scheme to use. Setup the manifest and rebuild: https://github.com/expo/expo/blob/main/packages/expo-constants/README.md, js engine: hermes

How should I solve this error???

從報告中連結的深度連結文件開始，將其中的 Expo 設定與所示的 app.json、expo-linking 和 NavigationContainer 用法進行比較。使用提供的範例在 iOS 模擬器中重現該錯誤，然後判斷文件是否需要針對 manifest 和重新建置需求加以說明。完成的標準是：文件中的設定能夠處理此執行階段錯誤，或清楚說明所需的設定。