diff --git a/config/db_config.py b/config/db_config.py
index d3f1d14..f7d9748 100644
--- a/config/db_config.py
+++ b/config/db_config.py
@@ -7,3 +7,6 @@ REDIS_DB_PWD = os.getenv("REDIS_DB_PWD", "123456")  # your redis password
 # mysql config
 RELATION_DB_PWD = os.getenv("RELATION_DB_PWD", "123456")  # your relation db password
 RELATION_DB_URL = f"mysql://root:{RELATION_DB_PWD}@localhost:3306/media_crawler"
+
+# sqlite3 config
+# RELATION_DB_URL = f"sqlite://data/media_crawler.sqlite"
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