maven访问外网可能超时，需要配置aliyun的仓库
```xml
<?xml version="1.0" encoding="UTF-8"?>
<settings
    xmlns="http://maven.apache.org/SETTINGS/1.0.0"
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
          xsi:schemaLocation="http://maven.apache.org/SETTINGS/1.0.0 http://maven.apache.org/xsd/settings-1.0.0.xsd">
    <mirrors>
        <mirror>
          <id>aliyunmaven</id>
          <mirrorOf>central</mirrorOf>
          <name>阿里云公共仓库</name>
          <url>https://maven.aliyun.com/repository/public</url>
        </mirror>
    </mirrors>
    <profiles>
        <profile>
            <repositories>
                <repository>
                    <id>spring</id>
                    <url>https://maven.aliyun.com/repository/spring</url>
                    <releases>
                        <enabled>true</enabled>
                    </releases>
                    <snapshots>
                        <enabled>true</enabled>
                    </snapshots>
                </repository>
               <repository>
                    <id>google</id>
                    <url>https://maven.aliyun.com/repository/google</url>
                    <releases>
                        <enabled>true</enabled>
                    </releases>
                    <snapshots>
                        <enabled>true</enabled>
                    </snapshots>
                </repository>
               <repository>
                    <id>spring-plugin</id>
                    <url>https://maven.aliyun.com/repository/spring-plugin</url>
                    <releases>
                        <enabled>true</enabled>
                    </releases>
                    <snapshots>
                        <enabled>true</enabled>
                    </snapshots>
                </repository>
               <repository>
                    <id>apache</id>
                    <url>https://maven.aliyun.com/repository/apache-snapshots</url>
                    <releases>
                        <enabled>true</enabled>
                    </releases>
                    <snapshots>
                        <enabled>true</enabled>
                    </snapshots>
                </repository>
            </repositories>
        </profile>
    </profiles>
</settings>

```