tree 24036e7d277bdc8637557ff761dddec8e04b33e4
parent 1cdf25c37af0ae6a412fd19e6d9cf409b769fdcd
author buyingyi <buyingyi@gmail.com> 1374230692 -0700
committer buyingyi <buyingyi@gmail.com> 1374230692 -0700

add message overflow support