應用不顯示廣告，可能是廣告sdk 依賴項沒有注冊
dependencies {
implementation fileTree(dir: 'bin', include: ['*.jar'])
implementation fileTree(dir: 'libs', include: ['*.jar'])
implementation 'com.google.android.gms:play-services-ads:11.0.4'
}
另外可以在adb 的logcat里面看到錯誤信息
具體接入流程可以找下面地址查看
https://developers.google.com/admob/unity/start?hl=zh-cn