diff --git a/yuthon_hr_attendance/models/wifi_message.py b/yuthon_hr_attendance/models/wifi_message.py
index 19bf9b67e..a509e1abf 100644
--- a/yuthon_hr_attendance/models/wifi_message.py
+++ b/yuthon_hr_attendance/models/wifi_message.py
@@ -8,7 +8,7 @@ class WifiMessage(models.Model):
     _name = 'wifi.message'
     _description = 'wifi名称管理'
 
-    mac_ids = fields.Many2one('mac.line', 'wifi_id', string='MAC地址')
+    mac_ids = fields.Many2many('mac.line', 'wifi_id', string='MAC地址')
     name = fields.Char(string='名称')
     bssid = fields.Char(string='BSSID')
     company_id = fields.Many2one("res.company", string="公司", default=lambda self: self.env.company)