diff --git a/handler/location.py b/handler/location.py
index 60217a1..4f1c092 100644
--- a/handler/location.py
+++ b/handler/location.py
@@ -140,7 +140,7 @@ class Location(Resource):
 					self.mydb.update("location", location, condition)
 					locationids = location['id'].replace('[', "").replace(']', "").replace('"', "").split(',')
 					for id in locationids:
-						log.info("reflush locationid={id}")
+						log.info(f"reflush locationid={id}")
 						self.reflush_location(id)
 					return jsonify({'code': 200})
 				else: