message: Support IMPORTER assembled with its dependencies
diff: <mainClass>com.vesoft.nebula.importer.Importer</mainClass>
  </configuration>
  </plugin>
  + <plugin>
  + <groupId>org.apache.maven.plugins</groupId>
  + <artifactId>maven-shade-plugin</artifactId>
  + <version>3.2.1</version>
  + <configuration>
  + <createDependencyReducedPom>false</createDependencyReducedPom>
  + </configuration>
  + <executions>
  + <execution>
  + <phase>package</phase>
  + <goals>
  + <goal>shade</goal>
  + </goals>
  + <configuration>
  + <transformers>
  + <transformer
  + implementation="org.apache.maven.plugins.shade.resource.ManifestResourceTransformer">
  + <mainClass>com.vesoft.nebula.importer.Importer</mainClass>
  + </transformer>
  + </transformers>
  + </configuration>
  + </execution>
  + </executions>
  + </plugin>
  </plugins>
  </build>
  <dependency>
  <groupId>nebula-graph</groupId>
  <artifactId>graph-client</artifactId>
  - <version>0.1.0</version>
  - <scope>system</scope>
  - <systemPath>${pom.basedir}/${nebula-client.target.dir}/graph-client-1.0.0-beta.jar</systemPath>
  + <version>1.0.0-beta</version>
  </dependency>
  <dependency>
  <groupId>commons-lang</groupId>
  