fix doc example
fix doc example

MSOpenTech/redis,HunanTV/redis,himoca/redis,himoca/redis,slfs007/mk-redis,maodeyi/redis_lua,ksarch-saas/redis,xuzhezhaozhao/redis_reading,HunanTV/redis,maodeyi/redis_lua,xuzhezhaozhao/redis_reading,ttuna/msot-redis,ttuna/msot-redis,ttuna/msot-redis,MSOpenTech/redis,ksarch-saas/redis,splitice/redis,splitice/redis,ramonsnir/redis,MSOpenTech/redis,xuzhezhaozhao/redis_reading,HunanTV/redis,louisliangjun/redis,splitice/redis,xuzhezhaozhao/redis_reading,ksarch-saas/redis,louisliangjun/redis,MSOpenTech/redis,ramonsnir/redis,ksarch-saas/redis,spearhead-ea/redis,ramonsnir/redis,splitice/redis,HunanTV/redis,slfs007/mk-redis,himoca/redis,louisliangjun/redis,louisliangjun/redis,spearhead-ea/redis,spearhead-ea/redis,MSOpenTech/redis,maodeyi/redis_lua,ttuna/msot-redis,slfs007/mk-redis,ttuna/msot-redis