1、尝试用是 Tools-Android-Sync Project with Gradle Files 重新加载。
2.在gradlewrapper-propoties中
将下载地址复制到浏览器下载:https://services.gradle.org/distributions/gradle-3.3-all.zip
3.
1、下载https://services.gradle.org/distributions/gradle-3.3-all.zip
2、打开 C:\Users\Administrator\.gradle\wrapper\dists\gradle-3.3-all\55gk2rcmfc6p2dg9u9ohc3hw9
3、将下载的gradle-3.3-all.zip 替换到C:\Users\Administrator\.gradle\wrapper\dists\gradle-3.3-all\55gk2rcmfc6p2dg9u9ohc3hw9\gradle-3.3-all.zip
4、重启Android studio的项目