用travis CI进行自动发布release时，会出错

[liujunlingx]

• What went wrong: A problem occurred configuring project ':app'.

  Could not resolve all dependencies for configuration ':app:_debugApkCopy'. Could not resolve com.github.nuptboyzhb.lib.uikit:superswiperefreshlayout:1.0.0. Required by: project :app Could not resolve com.github.nuptboyzhb.lib.uikit:superswiperefreshlayout:1.0.0. Could not get resource 'http://dl.bintray.com/nuptboyzhb/maven/com/github/nuptboyzhb/lib/uikit/superswiperefreshlayout/1.0.0/superswiperefreshlayout-1.0.0.pom'. Could not GET 'http://dl.bintray.com/nuptboyzhb/maven/com/github/nuptboyzhb/lib/uikit/superswiperefreshlayout/1.0.0/superswiperefreshlayout-1.0.0.pom'. Connect to 127.0.0.1:1080 [/127.0.0.1] failed: Connection refused (Connection refused)

以上是travis build的log信息，travis build时是用的它自己的proxy，好像墙了这个地址，要怎么解决？