diff --git a/backend/apps/db/type.py b/backend/apps/db/type.py
new file mode 100644
index 0000000..e2c6c4f
--- /dev/null
+++ b/backend/apps/db/type.py
@@ -0,0 +1,17 @@
+# Author: Junjun
+# Date: 2025/5/22
+from typing import Dict
+
+
+def db_type_relation() -> Dict:
+    return {
+        "mysql": "MySQL",
+        "sqlServer": "Microsoft SQL Server",
+        "pg": "PostgreSQL",
+        "excel": "Excel/CSV",
+        "oracle": "Oracle",
+        "ck": "ClickHouse",
+        "dm": "达梦",
+        "doris": "Apache Doris",
+        "redshift": "AWS Redshift"
+    }