diff --git a/sf_warehouse/models/model.py b/sf_warehouse/models/model.py
index 9fe46616..a64b4759 100644
--- a/sf_warehouse/models/model.py
+++ b/sf_warehouse/models/model.py
@@ -330,7 +330,7 @@ class ShelfLocation(models.Model):
                 record.storage_time = False
 
     name = fields.Char('货位名称', required=True, size=20)
-    barcode = fields.Char('货位编码', copy=False, size=15)
+    barcode = fields.Char('货位编码', copy=False, size=50)
     # 货架
     shelf_id = fields.Many2one('sf.shelf', string='货架')