diff --git a/sf_tool_management/models/tool_material_search.py b/sf_tool_management/models/tool_material_search.py
index a5498c80..f412f119 100644
--- a/sf_tool_management/models/tool_material_search.py
+++ b/sf_tool_management/models/tool_material_search.py
@@ -321,26 +321,27 @@ class ToolMaterial(models.Model):
     specification_id = fields.Many2one('sf.tool.materials.basic.parameters', '规格',
                                        related='product_id.specification_id')
     image = fields.Binary('图片', related='product_id.image_1920')
-    number = fields.Integer('总数量', readonly=True, compute='_compute_number')
-    usable_num = fields.Integer('可用数量', readonly=True)
-    have_been_used_num = fields.Integer('在用数量', readonly=True)
-    scrap_num = fields.Integer('报废数量', readonly=True)
+    number = fields.Integer('总数量', compute='_compute_number')
+    usable_num = fields.Integer('可用数量', compute='_compute_number')
+    have_been_used_num = fields.Integer('在用数量', compute='_compute_number')
+    scrap_num = fields.Integer('报废数量', compute='_compute_number')
 
     barcode_ids = fields.One2many('stock.lot', 'tool_material_search_id', string='序列号', readonly=True)
 
     @api.depends('barcode_ids')
     def _compute_number(self):
-        usable_num = 0
-        have_been_used_num = 0
-        scrap_num = 0
         for record in self:
+            usable_num = 0
+            have_been_used_num = 0
+            scrap_num = 0
             if record.barcode_ids:
                 record.number = len(record.barcode_ids)
                 for barcode_id in record.barcode_ids:
-                    if barcode_id.quant_ids[-1].location_id.name == '刀具组装位置':
-                        have_been_used_num = have_been_used_num + 1
-                    else:
-                        usable_num = usable_num + 1
+                    if barcode_id.quant_ids:
+                        if barcode_id.quant_ids[-1].location_id.name == '刀具组装位置':
+                            have_been_used_num = have_been_used_num + 1
+                        else:
+                            usable_num = usable_num + 1
                 record.usable_num = usable_num
                 record.have_been_used_num = have_been_used_num
                 record.scrap_num = scrap_num