diff --git a/ad_interface_tornado.py b/ad_interface_tornado.py
index ce49ced..ffa5851 100644
--- a/ad_interface_tornado.py
+++ b/ad_interface_tornado.py
@@ -111,7 +111,8 @@ class DispatchHandler(tornado.web.RequestHandler):
         elif gameid and area:
             key_word = f"ad::{gameid}_*::{channelid}::{area}::*"
         else:
-            pass
+            return self.write({'errcode': 2, "errmsg": "key_word not set!"})
+        print(f"key_word={key_word}")
         ad_keys = my_redis.keys(key_word)
         ids = []
         if ad_keys: