diff --git a/jikimo_purchase_request/models/purchase_request.py b/jikimo_purchase_request/models/purchase_request.py
index 39144d5d..0459dcd9 100644
--- a/jikimo_purchase_request/models/purchase_request.py
+++ b/jikimo_purchase_request/models/purchase_request.py
@@ -2,13 +2,14 @@ import re
 import ast
 from odoo import models, fields, api, _
 from itertools import groupby
+from odoo.tools import float_compare
 
 
 class PurchaseRequest(models.Model):
     _inherit = 'purchase.request'
     _description = '采购申请'
 
-     # 为state添加取消状态
+    # 为state添加取消状态
     state = fields.Selection(
         selection_add=[('cancel', '已取消')],
         ondelete={'cancel': 'set default'}  # 添加 ondelete 策略
@@ -36,11 +37,13 @@ class PurchaseRequest(models.Model):
         lines = self.mapped("line_ids.purchase_lines.order_id")
         # 采购单产品和数量
         product_summary = {}
+        product_rounding = {}
         if lines:
             for line in lines:
                 for line_item in line.order_line:
                     product_id = line_item.product_id.id
                     qty = line_item.product_qty
+                    product_rounding[product_id] = line_item.product_id.uom_id.rounding
                     if product_id in product_summary:
                         product_summary[product_id] += qty
                     else:
@@ -50,7 +53,7 @@ class PurchaseRequest(models.Model):
         discrepancies = []
         for product_id, qty in product_qty_map.items():
             if product_id in product_summary:
-                if product_summary[product_id] < qty:
+                if float_compare(product_summary[product_id], qty, precision_rounding=product_rounding[product_id]) < 0:
                     discrepancies.append((product_id, qty, product_summary[product_id]))
             else:
                 discrepancies.append((product_id, qty, 0))
@@ -64,17 +67,17 @@ class PurchaseRequest(models.Model):
                 # 添加确认框
             message += "确认关闭？"
             return {
-                    'name': _('采购申请'),
-                    'type': 'ir.actions.act_window',
-                    'views': [(self.env.ref(
-                        'jikimo_purchase_request.purchase_request_wizard_wizard_form_view').id,
-                               'form')],
-                    'res_model': 'purchase.request.wizard',
-                    'target': 'new',
-                    'context': {
-                        'default_purchase_request_id': self.id,
-                        'default_message': message,
-            }}
+                'name': _('采购申请'),
+                'type': 'ir.actions.act_window',
+                'views': [(self.env.ref(
+                    'jikimo_purchase_request.purchase_request_wizard_wizard_form_view').id,
+                           'form')],
+                'res_model': 'purchase.request.wizard',
+                'target': 'new',
+                'context': {
+                    'default_purchase_request_id': self.id,
+                    'default_message': message,
+                }}
         return super(PurchaseRequest, self).button_done()
 
 
@@ -96,7 +99,8 @@ class PurchaseRequestLine(models.Model):
         ('outsourcing', "委外加工"),
     ], string='供货方式', compute='_compute_supply_method', store=True)
 
-    purchase_request_count = fields.Integer(string='采购申请数量', compute='_compute_purchase_request_count', readonly=True)
+    purchase_request_count = fields.Integer(string='采购申请数量', compute='_compute_purchase_request_count',
+                                            readonly=True)
     purchase_count = fields.Integer(string="采购订单数量", compute="_compute_purchase_count", readonly=True)
 
     @api.depends("purchase_lines")