diff --git a/collection/uni-id-log/collection.json b/collection/uni-id-log/collection.json
index 0917640..2c2dddf 100644
--- a/collection/uni-id-log/collection.json
+++ b/collection/uni-id-log/collection.json
@@ -53,7 +53,7 @@
             "Direction": "1"
           }
         ],
-        "MgoIsUnique": true
+        "MgoIsUnique": false
       }
     },
     {
@@ -65,7 +65,7 @@
             "Direction": "1"
           }
         ],
-        "MgoIsUnique": true
+        "MgoIsUnique": false
       }
     }
   ]