fix learing with private log, as the log is now not commit log but for prepare as in shared log.
fix learing with private log, as the log is now not commit log but for prepare as in shared log.

imzhenyu/rDSN.dist.service,imzhenyu/rDSN.dist.service,imzhenyu/rDSN.dist.service,imzhenyu/rDSN.dist.service