修改 tomcat-users.xml 文件

<role rolename="tomcat"/>
  <role rolename="role1"/>
  <role rolename="manager-gui"/>
  <role rolename="manager-script"/>
  <role rolename="manager-jmx"/>
  <role rolename="manager-status"/>
  <role rolename="poweruser"/>
  <role rolename="probeuser"/>
  <user username="tomcat" password="tomcat" roles="tomcat"/>
  <user username="both" password="tomcat" roles="tomcat,role1"/>
  <user username="role1" password="tomcat" roles="role1"/>

  <user username="sss" password="sss" roles="manager-gui"/>
  <user username="fbysss" password="sss" roles="manager-script,manager-jmx,manager-status,poweruser,probeuser"/>

修改 manager.xml 文件

<Context docBase="${catalina.home}/webapps/manager"
         privileged="true" antiResourceLocking="false" >

        <Valve className="org.apache.catalina.valves.RemoteAddrValue" allow="221.131.113.43" />
</Context>