diff --git a/collection/uni-id-address/collection.json b/collection/uni-id-address/collection.json
index 29d4135..6b0bdc3 100644
--- a/collection/uni-id-address/collection.json
+++ b/collection/uni-id-address/collection.json
@@ -48,7 +48,7 @@
         "enum": {
           "collection": "opendb-city-china",
           "orderby": "value asc",
-          "field": "code as value, name as text, eq(['$type', 2]) as isleaf"
+          "field": "code as value, name as text, eq(type, 2) as isleaf"
         }
       },
       "address": {