mysql-关于MHA在perl 同步测试时报错请问如何解决？？？

mysqlperl测试diffmha

Sat Apr 2 02:25:21 2016 - [info] Checking MHA Node version..
Sat Apr 2 02:25:23 2016 - [error][/usr/lib64/perl5/vendor_perl/MHA/ManagerUtil.pm, ln122] Got error when getting node version. Error:
Sat Apr 2 02:25:23 2016 - [error][/usr/lib64/perl5/vendor_perl/MHA/ManagerUtil.pm, ln123]
Undefined subroutine &MHA::NodeUtil::client_cli_prefix called at /usr/bin/apply_diff_relay_logs line 99.
Sat Apr 2 02:25:23 2016 - [error][/usr/lib64/perl5/vendor_perl/MHA/ManagerUtil.pm, ln150] node version on 192.168.1.101 not found! Is MHA Node package installed ?
at /usr/lib64/perl5/vendor_perl/MHA/MasterMonitor.pm line 374
Sat Apr 2 02:25:23 2016 - [error][/usr/lib64/perl5/vendor_perl/MHA/MasterMonitor.pm, ln424] Error happened on checking configurations. Died at /usr/lib64/perl5/vendor_perl/MHA/ManagerUtil.pm line 151.
Sat Apr 2 02:25:23 2016 - [error][/usr/lib64/perl5/vendor_perl/MHA/MasterMonitor.pm, ln523] Error happened on monitoring servers.
Sat Apr 2 02:25:23 2016 - [info] Got exit code 1 (Not master dead).

MySQL Replication Health is NOT OK!