Test See merge request !1149
秒杀的普通购买的时候，库存的判断 See merge request !1148
Qa See merge request !1147
Test See merge request !1146
幸运购的优化2 See merge request !1145
Test See merge request !1144
幸运购的优化 See merge request !1143
Test See merge request !1142
测试返回的优化 See merge request !1141
Test See merge request !1140
Dev See merge request !1139
2、预售的虚拟销量的由阿胡
