导入微服务程序报错
    错误：

    1. Cannot download 'https://repo1.maven.org/maven2/org/apache/maven/apache-maven/3.5.0/apache-maven-3.5.0-bin.zip': Connection timed out: connect

    修改maven-wrapper.properties内容如下：

    1. #distributionUrl=https://repo1.maven.org/maven2/org/apache/maven/apache-maven/3.5.3/apache-maven-3.5.3-bin.zip
    2. distributionUrl=file:///D:/java/apache-maven-3.5.4-bin.zip

    注意：windows系统url格式问题