fix repeat argument issue and reduce unnessary loop times for redis-cli.
fix repeat argument issue and reduce unnessary loop times for redis-cli.

nnog/redis,pmem/redis,antirez/redis,nnog/redis,ofirluzon/redis,ctripcorp/redis,ofirluzon/redis,neomantra/redis,oranagra/redis,nnog/redis,spinlock/redis,GitHubMota/redis,ofirluzon/redis,soloestoy/redis,charsyam/redis,PKRoma/redis,neomantra/redis,oranagra/redis,neomantra/redis,charsyam/redis,antirez/redis,PKRoma/redis,ofirluzon/redis,soloestoy/redis,soloestoy/redis,neomantra/redis,yossigo/redis,pmem/redis,oranagra/redis,PKRoma/redis,yossigo/redis,charsyam/redis,ctripcorp/redis,pmem/redis,GitHubMota/redis,nnog/redis,oranagra/redis,GitHubMota/redis,GitHubMota/redis,soloestoy/redis,soveran/redis,soloestoy/redis,charsyam/redis,yossigo/redis,charsyam/redis,PKRoma/redis,ofirluzon/redis,yossigo/redis,spinlock/redis,ctripcorp/redis,neomantra/redis,antirez/redis,spinlock/redis,yossigo/redis,PKRoma/redis,antirez/redis,ctripcorp/redis,soveran/redis,soveran/redis,spinlock/redis,oranagra/redis,pmem/redis,soveran/redis