del multiple keys
del multiple keys

avldya/redis-cerberus,sdgdsffdsfff/redis-cerberus,neuront/redis-cerberus,avldya/redis-cerberus,HunanTV/redis-cerberus,hackersun/redis-cerberus,TigerZhang/redis-cerberus,hackersun/redis-cerberus,TigerZhang/redis-cerberus,HunanTV/redis-cerberus,sdgdsffdsfff/redis-cerberus,neuront/redis-cerberus