easeUI 导入报错 问题如下

Error:Could not find support-core-utils.jar (com.android.support:support-core-utils:27.1.1).
Searched in the following locations:
    https://jcenter.bintray.com/com/android/support/support-core-utils/27.1.1/support-core-utils-27.1.1.jar

Please install the Android Support Repository from the Android SDK Manager.
Open Android SDK Manager
 
 
    https://jcenter.bintray.com/com/android/support/support-core-utils/27.1.1/support-core-utils-27.1.1.jar连接是打不开的