<!--尝试添加以下代码到pom.xml里-->
<repositories>
<repository>
<id>central</id>
<name>Central Repository</name>
<url>http://maven.aliyun.com/nexus/content/repositories/central </url>
<layout>default</layout>
<snapshots>
<enabled>false</enabled>
</snapshots>
</repository>
</repositories>
