“766a61c37415f00636b4f47d74996d591e9d24eb”上不存在“paddle/api/git@gitcode.net:s920243400/PaddleDetection.git”
* fix broadcast with mp mode * polish code test=develop * fix bcast strategy test=develop * fic cpplint test=develop * fix py3 failed test=develop * fix comment test=develop * update comment test=develop