diff --git a/client.go b/client.go
index a91150e..23aa536 100644
--- a/client.go
+++ b/client.go
@@ -145,6 +145,7 @@ func (o *OwnClient) GetRealClientWithError(instanceFlag string) (*redisClient.Cl
 
 func (o *OwnClient) AddClient(instanceFlag string, instanceConfig *define.Options) error {
 	instance := redisClient.NewClient(&redisClient.Options{
+		DB:         instanceConfig.DB,
 		Addr:       instanceConfig.Addr,
 		ClientName: instanceConfig.ClientName,
 		Dialer:     nil,
diff --git a/define/config.go b/define/config.go
index 956c93d..e087659 100644
--- a/define/config.go
+++ b/define/config.go
@@ -8,6 +8,7 @@
 package define
 
 type Options struct {
+	DB      int    `json:"db" yaml:"db" ini:"db" toml:"db"`                     // 选择的数据库序号
 	Network string `json:"network" yaml:"network" ini:"network" toml:"network"` // 网络连接方式
 	// A seed list of host:port addresses of cluster nodes.
 	Addr string `json:"addr" yaml:"addr" ini:"addr" toml:"addr"` // 集群IP列表