Could not resolve com.huawei.agconnect:agcp:1.6.2.300 高手们知道如何解决这个问题吗？

> Could not resolve all artifacts for configuration ':classpath'.

   > Could not resolve com.huawei.agconnect:agcp:1.6.2.300.

     Required by:

         project :

      > Could not resolve com.huawei.agconnect:agcp:1.6.2.300.

         > Could not get resource 'http://test.vlion.cn:8081/nexus/content/repositories/inland/com/huawei/agconnect/agcp/1.6.2.300/agcp-1.6.2.300.pom'.

            > Could not GET 'http://test.vlion.cn:8081/nexus/content/repositories/inland/com/huawei/agconnect/agcp/1.6.2.300/agcp-1.6.2.300.pom'.

               > Connect to test.vlion.cn:8081 [test.vlion.cn/118.31.21.132] failed: Connection refused: connect

      > Could not resolve com.huawei.agconnect:agcp:1.6.2.300.

         > Could not get resource 'https://dl.bintray.com/sunjiangrong/maven/com/huawei/agconnect/agcp/1.6.2.300/agcp-1.6.2.300.pom'.

            > Could not GET 'https://dl.bintray.com/sunjiangrong/maven/com/huawei/agconnect/agcp/1.6.2.300/agcp-1.6.2.300.pom'. Received status code 502 from server: Bad Gateway

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