用ssh全注解时,在@Action中@Result注解报错?报错

import javax.annotation.Resource;

import org.apache.struts2.convention.annotation.Action;
import org.apache.struts2.convention.annotation.Namespace;
import org.apache.struts2.convention.annotation.ParentPackage;
import org.springframework.context.annotation.Scope;
import org.springframework.stereotype.Controller;

import com.biz.ICrmBiz;
import com.opensymphony.xwork2.ActionSupport;
import com.opensymphony.xwork2.ModelDriven;
import com.pojo.SysUser;

@SuppressWarnings("serial")
@Controller
@Namespace("/")
@ParentPackage("struts-default")
@Scope("prototype")
public class CrmAction extends ActionSupport implements ModelDriven<Object>
{
    private ICrmBiz ermBiz;
    @Action(value="/querySysUserById",results={@Result(name="success",location="/left.jsp")})
    public String querySysUserById()
    {
        SysUser sysUser=null;
        sysUser=ermBiz.querySysUserById(1);
        return SUCCESS;
    }