diff --git a/scripts/migrate_sqlite_to_mysql.py b/scripts/migrate_sqlite_to_mysql.py
index 30233f3..dda2f66 100644
--- a/scripts/migrate_sqlite_to_mysql.py
+++ b/scripts/migrate_sqlite_to_mysql.py
@@ -18,6 +18,9 @@ PROJECT_ROOT = Path(__file__).resolve().parents[1]
 DEFAULT_SOURCE = PROJECT_ROOT / "data" / "web.db"
 IGNORED_SOURCE_TABLES = {"alembic_version"}
 
+if str(PROJECT_ROOT) not in sys.path:
+    sys.path.insert(0, str(PROJECT_ROOT))
+
 
 def parse_args() -> argparse.Namespace:
     """解析迁移参数。"""