Could not resolve com.android.support:appcompat-v7:26.1.0. Required by: project :app No cached version of com.android.support:appcompat-v7:26.1.0 available for offline mode. No cached version of com.android.support:appcompat-v7:26.1.0 available for offline mode. Could not resolve com.android.support.constraint:constraint-layout:1.1.0-beta3. Required by: project :app No cached version of com.android.support.constraint:constraint-layout:1.1.0-beta3 available for offline mode. No cached version of com.android.support.constraint:constraint-layout:1.1.0-beta3 available for offline mode. Could not resolve com.android.support:design:26.1.0. Required by: project :app No cached version of com.android.support:design:26.1.0 available for offline mode. No cached version of com.android.support:design:26.1.0 available for offline mode. Could not resolve com.android.support:cardview-v7:26.1.0. Required by: project :app No cached version of com.android.support:cardview-v7:26.1.0 available for offline mode. No cached version of com.android.support:cardview-v7:26.1.0 available for offline mode. Could not resolve com.google.android.gms:play-services-ads:11.4.2. Required by: project :app No cached version of com.google.android.gms:play-services-ads:11.4.2 available for offline mode. No cached version of com.google.android.gms:play-services-ads:11.4.2 available for offline mode. Could not resolve com.android.support:support-v4:26.1.0. Required by: project :app No cached version of com.android.support:support-v4:26.1.0 available for offline mode. No cached version of com.android.support:support-v4:26.1.0 available for offline mode.
![[ERROR] Failed to execute goal on project springcloud: Could not resolve dependencies for project co](https://ucc.alicdn.com/pic/developer-ecology/2d47f5df2ef444738cfc54a4f4ce1bae.png?x-oss-process=image/resize,h_160,m_lfit)