From 53326f3a48a54c91f7cc60ded05a68d336d2e153 Mon Sep 17 00:00:00 2001
From: Agent <agent@openclaw.ai>
Date: Sat, 28 Mar 2026 02:44:31 +0000
Subject: [PATCH] =?UTF-8?q?fix:=20=E5=89=8D=E7=AB=AF=E4=BC=98=E6=83=A0?=
 =?UTF-8?q?=E9=87=91=E9=A2=9D=E4=B8=8D=E8=83=BD=E4=B8=BA=E8=B4=9F=E6=95=B0?=
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---
 src/pages/order/create.vue | 15 +++++++++++++--
 1 file changed, 13 insertions(+), 2 deletions(-)

diff --git a/src/pages/order/create.vue b/src/pages/order/create.vue
index e928280..76f0471 100644
--- a/src/pages/order/create.vue
+++ b/src/pages/order/create.vue
@@ -278,8 +278,12 @@ export default {
         return sum + (item.price * item.quantity)
       }, 0)
       
-      // 2. 优惠金额直接使用用户输入的值
-      this.discountAmount = parseFloat(this.discountMoney) || 0
+      // 2. 优惠金额直接使用用户输入的值，不能为负
+      let discountVal = parseFloat(this.discountMoney)
+      if (isNaN(discountVal) || discountVal < 0) {
+        discountVal = 0
+      }
+      this.discountAmount = discountVal
       
       // 3. 计算实付金额 = 原价 - 优惠金额
       this.actualAmount = this.totalAmount - this.discountAmount
@@ -302,6 +306,13 @@ export default {
         return
       }
 
+      // 校验：优惠金额不能为负
+      const discountVal = parseFloat(this.discountMoney) || 0
+      if (discountVal < 0) {
+        uni.showToast({ title: '优惠金额不能为负', icon: 'none' })
+        return
+      }
+
       const data = {
         customerId: this.selectedCustomer ? this.selectedCustomer.customerId : null,
         items: this.orderItems.map(item => ({