diff --git a/backend/services/connection_service.go b/backend/services/connection_service.go
index 1b3dba3..5f7732d 100644
--- a/backend/services/connection_service.go
+++ b/backend/services/connection_service.go
@@ -144,9 +144,6 @@ func (c *connectionService) buildOption(config types.ConnectionConfig) (*redis.O
 			option.Addr = fmt.Sprintf("%s:%d", config.Addr, config.Port)
 		}
 	}
-	if config.LastDB > 0 {
-		option.DB = config.LastDB
-	}
 	if sshClient != nil {
 		option.Dialer = func(ctx context.Context, network, addr string) (net.Conn, error) {
 			return sshClient.Dial(network, addr)
@@ -181,6 +178,10 @@ func (c *connectionService) createRedisClient(config types.ConnectionConfig) (re
 		option.Password = config.Sentinel.Password
 	}
 
+	if config.LastDB > 0 {
+		option.DB = config.LastDB
+	}
+
 	rdb := redis.NewClient(option)
 	if config.Cluster.Enable {
 		// connect to cluster