diff --git a/sf_demand_plan/models/sf_demand_plan.py b/sf_demand_plan/models/sf_demand_plan.py
index 63371dfd..83e890af 100644
--- a/sf_demand_plan/models/sf_demand_plan.py
+++ b/sf_demand_plan/models/sf_demand_plan.py
@@ -146,9 +146,8 @@ class SfDemandPlan(models.Model):
         for line in self:
             sum_plan_uom_qty = sum(line.line_ids.mapped('plan_uom_qty'))
             pending_qty = line.product_uom_qty - sum_plan_uom_qty
-            rounding = line.product_id.uom_id.rounding or 0.01
             if float_compare(pending_qty, 0,
-                             precision_rounding=rounding) == -1:
+                             precision_rounding=line.product_id.uom_id.rounding) == -1:
                 line.pending_qty = 0
             else:
                 line.pending_qty = pending_qty
diff --git a/sf_demand_plan/models/sf_production_demand_plan.py b/sf_demand_plan/models/sf_production_demand_plan.py
index a0b5bb92..4daa7ae3 100644
--- a/sf_demand_plan/models/sf_production_demand_plan.py
+++ b/sf_demand_plan/models/sf_production_demand_plan.py
@@ -28,10 +28,8 @@ class SfProductionDemandPlan(models.Model):
     ], string='状态', default='30', readonly=True)
     demand_plan_id = fields.Many2one(comodel_name="sf.demand.plan",
                                      string="物料需求", readonly=True)
-    sale_order_id = fields.Many2one(comodel_name="sale.order", related='demand_plan_id.sale_order_id',
-                                    string="销售订单", readonly=True)
-    sale_order_line_id = fields.Many2one(comodel_name="sale.order.line", related='demand_plan_id.sale_order_line_id',
-                                         string="销售订单明细", readonly=True)
+    sale_order_id = fields.Many2one(comodel_name="sale.order", string="销售订单", readonly=True)
+    sale_order_line_id = fields.Many2one(comodel_name="sale.order.line", string="销售订单明细", readonly=True)
     sale_order_line_number = fields.Char(string='销售订单行', compute='_compute_sale_order_line_number', store=True)
     company_id = fields.Many2one(
         related='sale_order_id.company_id',
@@ -215,9 +213,8 @@ class SfProductionDemandPlan(models.Model):
     @api.depends('sale_order_line_id.qty_to_deliver')
     def _compute_qty_to_deliver(self):
         for line in self:
-            rounding = line.product_id.uom_id.rounding or 0.01
             if float_compare(line.sale_order_line_id.qty_to_deliver, 0,
-                             precision_rounding=rounding) == -1:
+                             precision_rounding=line.product_id.uom_id.rounding) == -1:
                 line.qty_to_deliver = 0
             else:
                 line.qty_to_deliver = line.sale_order_line_id.qty_to_deliver
@@ -287,9 +284,8 @@ class SfProductionDemandPlan(models.Model):
             if record.mrp_production_ids and record.mrp_production_ids.move_raw_ids:
                 total_reserved_availability = sum(
                     record.mrp_production_ids.mapped('move_raw_ids.reserved_availability'))
-                rounding = record.product_id.uom_id.rounding or 0.01
                 if float_compare(total_reserved_availability, record.plan_uom_qty,
-                                 precision_rounding=rounding) >= 0:
+                                 precision_rounding=record.product_id.uom_id.rounding) >= 0:
                     record.material_check = '1'  # 已齐套
                 else:
                     record.material_check = '0'  # 未齐套