diff --git a/server/model/lark.py b/server/model/lark.py
new file mode 100644
index 00000000..86e1b092
--- /dev/null
+++ b/server/model/lark.py
@@ -0,0 +1,11 @@
+from .schema import IMApplication, db
+
+
+def get_bot_by_app_id(app_id):
+    return (
+        db.session.query(IMApplication)
+        .filter(
+            IMApplication.app_id == app_id,
+        )
+        .first()
+    )