diff --git a/configtypes.go b/configtypes.go
index 334b0eb..a1485d6 100644
--- a/configtypes.go
+++ b/configtypes.go
@@ -71,4 +71,7 @@ type StoreConfig struct {
 	Servers       []string
 	GcProbability int
 	GcDivisor     int
+	Password      string
+	NetWork       string
+	DB            int
 }
diff --git a/redisstore.go b/redisstore.go
index 8424a1c..bbf7a69 100644
--- a/redisstore.go
+++ b/redisstore.go
@@ -42,13 +42,21 @@ func CreateCaptchaRedisStore(config *StoreConfig) (StoreInterface, error) {
 	if len(pieces) == 2 {
 		db, _ = strconv.Atoi(pieces[1])
 	}
-
+	if config.DB > 0 {
+		db = config.DB
+	}
 	opt := redis.Options{}
 	opt.Addr = addr
 	opt.DB = int64(db)
 	opt.PoolSize = 0
-	stg := redis.NewTCPClient(&opt)
-
+	if len(config.Password)>0{
+		opt.Password = config.Password
+	}
+	opt.Network = "tcp"
+	if len(config.NetWork)>0{
+		opt.Network = config.NetWork
+	}
+	stg := redis.NewClient(&opt)
 	return &CaptchaRedisStore{lifeTime, stg}, nil
 }
 
@@ -71,9 +79,13 @@ func (this *CaptchaRedisStore) Add(captcha *CaptchaInfo) string {
 
 	val, err := this.encodeCaptchaInfo(captcha)
 	if err == nil {
-		if seterr := this.stg.SetEx(key, this.lifeTime, string(val)); seterr != nil {
-			log.Printf("add key in redis error:%s", seterr)
+		result, error :=this.stg.SetEx(key, this.lifeTime, string(val)).Result()
+		if error != nil {
+			log.Printf("add key in redis error:%s", error)
+		}else{
+			log.Printf("add key in redis %s", result)
 		}
+
 	}
 	return key
 }
@@ -81,10 +93,12 @@ func (this *CaptchaRedisStore) Add(captcha *CaptchaInfo) string {
 func (this *CaptchaRedisStore) Update(key string, captcha *CaptchaInfo) bool {
 	val, err := this.encodeCaptchaInfo(captcha)
 	if err == nil {
-		if seterr := this.stg.Set(key, string(val)); seterr != nil {
-			log.Printf("set key in redis error:%s", seterr)
+		result, error :=this.stg.Set(key, string(val)).Result()
+		if error != nil {
+			log.Printf("set key in redis error:%s", error)
 			return false
-		} else {
+		}else{
+			log.Printf("set key in redis %s", result)
 			return true
 		}
 	} else {
diff --git a/redisstore_test.go b/redisstore_test.go
index 79d4f4e..c79dfce 100644
--- a/redisstore_test.go
+++ b/redisstore_test.go
@@ -14,6 +14,9 @@ func TestRedisStore(t *testing.T) {
 	storeConfig.CaptchaConfig.LifeTime = time.Second * 100
 	storeConfig.Engine = "redis"
 	storeConfig.Servers = []string{"127.0.0.1:6379"}
+	storeConfig.Password = "123456"
+	storeConfig.DB = 5
+	storeConfig.NetWork = "tcp"
 	store, _ := CreateCaptchaRedisStore(storeConfig)
 
 	captcha := new(CaptchaInfo)