(cherry picked from commit cfbc2ed74cd2854266746c88545affb85fb79551)
(cherry picked from commit 44be35b5ce3159b525d17ab7abbd931c114867e8)
1. 微调砍价活动的代码 (cherry picked from commit 7bf3e41c6189776b129670d44c9b40ecce2f86d5)