maven添加自定义包，打包失败

pom文件里加下面的内容

<dependency>
  <groupId>com.leadingsoft</groupId>
  <artifactId>wechat-api-1.0.6</artifactId>
  <scope>system</scope>
  <version>1.0.6</version>
  <systemPath>${project.basedir}/src/main/resources/wechat-api-1.0.6.jar</systemPath>
</dependency>