diff --git a/models/sub_distributors.json b/models/sub_distributors.json
index fdac8c2..08f149e 100644
--- a/models/sub_distributors.json
+++ b/models/sub_distributors.json
@@ -18,26 +18,26 @@
       "nullable": "no"
     },
     {
-        "name": "resellerid",
-        "title": "所属主分销商机构ID",
-        "type": "str",
-        "length": 32,
-        "nullable": "no"
+      "name": "resellerid",
+      "title": "所属主分销商机构ID",
+      "type": "str",
+      "length": 32,
+      "nullable": "no"
     },
     {
-        "name": "sub_distributorid",
-        "title": "二级分销商机构ID",
-        "type": "str",
-        "length": 32,
-        "nullable": "no",
-        "default": ""
+      "name": "sub_distributorid",
+      "title": "二级分销商机构ID",
+      "type": "str",
+      "length": 32,
+      "nullable": "no",
+      "default": ""
     },
     {
-        "name": "sub_dist_name",
-        "title": "二级分销商名称",
-        "type": "str",
-        "length": 255,
-        "nullable": "no"
+      "name": "sub_dist_name",
+      "title": "二级分销商名称",
+      "type": "str",
+      "length": 255,
+      "nullable": "no"
     },
     {
       "name": "contact_person",
@@ -111,14 +111,12 @@
       "name": "created_at",
       "title": "创建时间",
       "type": "datetime",
-      "nullable": "no",
-      "default": "CURRENT_TIMESTAMP"
+      "nullable": "no"
     },
     {
       "name": "updated_at",
       "title": "更新时间",
-      "type": "datetime",
-      "default": "CURRENT_TIMESTAMP"
+      "type": "datetime"
     }
   ],
   "indexes": [
@@ -166,4 +164,4 @@
       "cond": "parentid='sub_distributor_status'"
     }
   ]
-}
\ No newline at end of file
+}