老师，我的打包时出现这个问题怎么解决
[ERROR] Failed to execute goal org.apache.maven.plugins:maven-compiler-plugin:2.5.1:compile (default-compile) on project goldsangyoon: Compilation failure: Compilation failure:
[ERROR] D:\workspace\goldsangyoon\src\main\java\sangyoon\controller\LoginController.java:[8,51] 错误: 程序包org.springframework.beans.factory.annotation不存在
