海康提前批内推：
https://mp.weixin.qq.com/s?__biz=MzI4MDczNzkwOA==&mid=2247483776&idx=1&sn=1791439f1f6857619dcd238b5b236ee6&chksm=ebb2a09bdcc5298d3bdaeb7f283960693b43ff5334315e46f0e1b0d306350b972f3410f2993a
#rd
