diff --git a/models/sub_distributors.json b/models/sub_distributors.json
index 02972c8..3ccf012 100644
--- a/models/sub_distributors.json
+++ b/models/sub_distributors.json
@@ -29,7 +29,8 @@
       "title": "二级分销商编号",
       "type": "str",
       "length": 64,
-      "nullable": "no"
+      "nullable": "no",
+      "default": ""
     },
     {
       "name": "sub_dist_name",
@@ -103,7 +104,8 @@
       "name": "created_by",
       "title": "创建人",
       "type": "str",
-      "length": 32
+      "length": 32,
+      "default": ""
     },
     {
       "name": "created_at",
@@ -156,4 +158,4 @@
       "cond": "parentid='sub_distributor_status'"
     }
   ]
-}
\ No newline at end of file
+}