diff --git a/sf_demand_plan/models/sf_demand_plan.py b/sf_demand_plan/models/sf_demand_plan.py
index c1f325dc..63371dfd 100644
--- a/sf_demand_plan/models/sf_demand_plan.py
+++ b/sf_demand_plan/models/sf_demand_plan.py
@@ -164,9 +164,6 @@ class SfDemandPlan(models.Model):
             line.hide_button_release_plan = bool(line.line_ids.filtered(
                 lambda p: p.status == '30'))
 
-    def button_release_plan(self):
-        pass
-
     @api.depends('line_ids.status', 'sale_order_id.state')
     def _compute_state(self):
         for line in self:
diff --git a/sf_demand_plan/models/sf_production_demand_plan.py b/sf_demand_plan/models/sf_production_demand_plan.py
index f0bbd708..a0b5bb92 100644
--- a/sf_demand_plan/models/sf_production_demand_plan.py
+++ b/sf_demand_plan/models/sf_production_demand_plan.py
@@ -215,8 +215,9 @@ 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=line.product_id.uom_id.rounding) == -1:
+                             precision_rounding=rounding) == -1:
                 line.qty_to_deliver = 0
             else:
                 line.qty_to_deliver = line.sale_order_line_id.qty_to_deliver
@@ -286,8 +287,9 @@ 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=record.product_id.uom_id.rounding) >= 0:
+                                 precision_rounding=rounding) >= 0:
                     record.material_check = '1'  # 已齐套
                 else:
                     record.material_check = '0'  # 未齐套