diff --git a/sf_base/models/common.py b/sf_base/models/common.py
index 257eb2d4..9061ffe0 100644
--- a/sf_base/models/common.py
+++ b/sf_base/models/common.py
@@ -56,7 +56,7 @@ class MrsMaterialModel(models.Model):
     finish_machining = fields.Float("精加工Vc(m/min)")
     remark = fields.Text("备注")
     gain_way = fields.Selection(
-        [("自加工", "自加工"), ("外协", "外协"), ("采购", "采购")],
+        [("自加工", "自加工"), ("外协", "委外加工"), ("采购", "采购")],
         default="", string="获取方式")
     supplier_ids = fields.One2many('sf.supplier.sort', 'materials_model_id', string='供应商')
     active = fields.Boolean('有效', default=True)