diff --git a/sf_tool_management/models/functional_tool.py b/sf_tool_management/models/functional_tool.py
index e8523cd3..78a652f4 100644
--- a/sf_tool_management/models/functional_tool.py
+++ b/sf_tool_management/models/functional_tool.py
@@ -51,6 +51,8 @@ class FunctionalCuttingToolEntity(models.Model):
         string='位置', compute='_compute_current_location_id', store=True)
     image = fields.Binary('图片', readonly=True)
 
+    stock_num = fields.Integer('库存变更次数', default=0)
+
     safe_inventory_id = fields.Many2one('sf.real.time.distribution.of.functional.tools',
                                         string='功能刀具安全库存', readonly=True)
 
@@ -71,7 +73,7 @@ class FunctionalCuttingToolEntity(models.Model):
                     })
 
     @api.depends('barcode_id.quant_ids', 'barcode_id.quant_ids.location_id', 'functional_tool_status',
-                 'current_shelf_location_id')
+                 'current_shelf_location_id', 'stock_num')
     def _compute_current_location_id(self):
         for record in self:
             if record.functional_tool_status == '已拆除':
diff --git a/sf_tool_management/models/stock.py b/sf_tool_management/models/stock.py
index 9f0d9f82..92198239 100644
--- a/sf_tool_management/models/stock.py
+++ b/sf_tool_management/models/stock.py
@@ -53,6 +53,13 @@ class StockMoveLine(models.Model):
                     [('barcode_id', '=', line_id.lot_id.id),
                      ('functional_tool_status', '=', '正常')]).cnc_function_tool_use_verify()
 
+        for move_line in move_lines:
+            if move_line.lot_id:
+                tool_id = self.env['sf.functional.cutting.tool.entity'].sudo().search(
+                    [('barcode_id', '=', move_line.lot_id.id),
+                     ('functional_tool_status', '=', '正常')])
+                tool_id.stock_num += tool_id.stock_num
+
 
 class StockPicking(models.Model):
     _inherit = 'stock.picking'