diff --git a/collection/uni-id-followers/collection.json b/collection/uni-id-followers/collection.json
index 8765622..c7c826a 100644
--- a/collection/uni-id-followers/collection.json
+++ b/collection/uni-id-followers/collection.json
@@ -6,7 +6,7 @@
       "read": true, 
       "create": "auth.uid != null", 
       "update": false,
-      "delete": "auth.uid != null"
+      "delete": "doc.follow_uid == auth.uid || doc.friend_uid == auth.uid"
     },
     "properties": {
       "_id": {