update dev.env
update dev.env

leohdr/mixer,shenli/mixer,siddontang/mixer,shenli/mixer,maxencoder/mixer,leohdr/mixer,maxencoder/mixer,siddontang/mixer,flashbuckets/mixer,fengshao0907/mixer,fengshao0907/mixer,deafgoat/mixer,flashbuckets/mixer,deafgoat/mixer