diff --git a/handler_data/ta_handler.py b/handler_data/ta_handler.py
index 37f14c9..889337a 100644
--- a/handler_data/ta_handler.py
+++ b/handler_data/ta_handler.py
@@ -113,6 +113,11 @@ async def role_idx(request, rdb, data):
             # 新角色 编号
             if v == 1:
                 data['properties']['role_idx'] = await rdb.execute('scard', key)
+        device_key = f'{data["#app_id"]}_{distinct_id}'
+        res = await rdb.execute('set', device_key, 1,'Nx')
+        if res == b'OK':
+            data['properties']['is_new_device'] = 1
+
         # sadd  O(n)
         # if distinct_id:
         #     key = f'{data["#app_id"]}_devices'