diff --git a/internal/data/rds.go b/internal/data/rds.go
index c24025b..7026441 100644
--- a/internal/data/rds.go
+++ b/internal/data/rds.go
@@ -42,7 +42,7 @@ func buildRdb(c *conf.Data_Redis) (*redis.Client, error) {
 		PoolSize:        int(c.PoolSize),
 		MinIdleConns:    int(c.MinIdleConns),
 		ConnMaxIdleTime: c.ConnMaxIdleTime.AsDuration(),
-		DB:              0,
+		DB:              int(c.Db),
 	})
 
 	_, err := rdb.Ping(context.Background()).Result()