cordova android build FAILED

$ cordova run android
Android Studio project detected
CHCP plugin after prepare hook:
    config-file set to http://.../chcp.json
ANDROID_HOME=/.../Library/Android/sdk
JAVA_HOME=/Library/Java/JavaVirtualMachines/jdk1.8.0_151.jdk/Contents/Home
studio
Subproject Path: CordovaLib
Subproject Path: app
publishNonDefault is deprecated and has no effect anymore. All variants are now published.
Configuration 'compile' in project ':app' is deprecated. Use 'implementation' instead.
The Task.leftShift(Closure) method has been deprecated and is scheduled to be removed in Gradle 5.0. Please use Task.doLast(Action) instead.
	at build_7iqq3l05h5ir45unzxq8vzck8.run(/.../platforms/android/app/build.gradle:145)
:CordovaLib:preBuild UP-TO-DATE

……

:app:transformDexArchiveWithExternalLibsDexMergerForDebug FAILED

FAILURE: Build failed with an exception.

* What went wrong:
Execution failed for task ':app:transformDexArchiveWithExternalLibsDexMergerForDebug'.
> java.lang.RuntimeException: java.lang.RuntimeException: com.android.builder.dexing.DexArchiveMergerException: Unable to merge dex

* Try:
Run with --stacktrace option to get the stack trace. Run with --info or --debug option to get more log output.

* Get more help at https://help.gradle.org

BUILD FAILED in 1s
38 actionable tasks: 1 executed, 37 up-to-date
(node:8775) UnhandledPromiseRejectionWarning: Unhandled promise rejection (rejection id: 1): Error: /.../platforms/android/gradlew: Command failed with exit code 1 Error output:
FAILURE: Build failed with an exception.

* What went wrong:
Execution failed for task ':app:transformDexArchiveWithExternalLibsDexMergerForDebug'.
> java.lang.RuntimeException: java.lang.RuntimeException: com.android.builder.dexing.DexArchiveMergerException: Unable to merge dex

* Try:
Run with --stacktrace option to get the stack trace. Run with --info or --debug option to get more log output.

* Get more help at https://help.gradle.org

BUILD FAILED in 1s

下面的命令也許能夠治好：

$ cordova clean

參考：

https://cordova.apache.org/docs/en/latest/reference/cordova-cli/index.html#cordova-clean-command