diff --git a/config/zulip/map-config.json b/config/zulip/map-config.json
index 78a08a9..76f47d6 100644
--- a/config/zulip/map-config.json
+++ b/config/zulip/map-config.json
@@ -7,13 +7,15 @@
       "mapId": "coding",
       "mapName": "编程小组",
       "zulipStream": "Whale Port",
-      "description": "小组交流区"
+      "description": "小组交流区",
+      "interactionObjects": []
     },
     {
       "mapId": "whaletown",
       "mapName": "whaletown 小组",
       "zulipStream": "Whale Port",
-      "description": "小组交流区"
+      "description": "小组交流区",
+      "interactionObjects": []
     },
     {
       "mapId": "whale_port",