Fix mprpc failure check bug
Fix mprpc failure check bug

fixes #63

takei-yuya/pficommon,pfi/pficommon,retrieva/pficommon,pfi/pficommon,retrieva/pficommon,retrieva/pficommon,takei-yuya/pficommon,takei-yuya/pficommon,pfi/pficommon,retrieva/pficommon,retrieva/pficommon,pfi/pficommon,takei-yuya/pficommon