diff --git a/api/lease/lease.js b/api/lease/lease.js
index 197ca7c..8449d89 100644
--- a/api/lease/lease.js
+++ b/api/lease/lease.js
@@ -58,6 +58,7 @@ export function getPeriodPackages(suitIds) {
  * @param {string} orderData.appId - 应用ID
  * @param {string} orderData.payAmount - 支付金额
  * @param {string} orderData.channelId - 渠道ID
+ * @param {string} orderData.quantity - 设备数量
  * @returns {Promise} 返回订单创建结果
  */
 export function createLeaseOrder(orderData) {
diff --git a/pages/lease/lease.vue b/pages/lease/lease.vue
index f5d9bcf..77a8e01 100644
--- a/pages/lease/lease.vue
+++ b/pages/lease/lease.vue
@@ -68,11 +68,15 @@
           <!-- 租赁设备 -->
           <view class="form-item">
             <text class="field-label">租赁设备</text>
-            <view class="selector" @click="selectEquipment">
-              <text :class="['selector-text', { placeholder: !formData.equipment }]">
+            <view class="selector">
+              <text
+                :class="['selector-text', { placeholder: !formData.equipment }]"
+                @click="selectEquipment"
+              >
                 {{ formData.equipment || '选择设备类型' }}
               </text>
-              <text class="arrow-icon">></text>
+              <text class="arrow-icon" @click="selectEquipment">></text>
+              <uv-number-box v-model="formData.quantity"></uv-number-box>
             </view>
           </view>
 
@@ -92,7 +96,7 @@
       <!-- 支付区域 -->
       <view class="payment-section">
         <button :class="['pay-button']" @click="handlePayment">
-          {{ `立即支付 ¥${totalAmount}` }}
+          {{ `立即支付 ¥${payAmount}` }}
         </button>
 
         <view class="agreement">
@@ -116,6 +120,10 @@
               <text class="detail-label">设备类型</text>
               <text class="detail-value">{{ selectedDevice.name }}</text>
             </view>
+            <view class="detail-item">
+              <text class="detail-label">设备数量</text>
+              <text class="detail-value">{{ formData.quantity }}</text>
+            </view>
             <view v-if="selectedPackage" class="detail-item">
               <text class="detail-label">租赁周期</text>
               <text class="detail-value">{{ selectedPackage.name }}</text>
@@ -126,7 +134,7 @@
             </view>
             <view class="detail-item">
               <text class="detail-label">租金</text>
-              <text class="detail-value">¥{{ totalAmount }}</text>
+              <text class="detail-value">¥{{ payAmount }}</text>
             </view>
           </view>
         </view>
@@ -184,7 +192,10 @@ export default {
     commonEnum() {
       return commonEnum
     },
-    // 检查是否可以支付 - 直接验证，不依赖formData默认值
+    // 计算总金额
+    payAmount() {
+      return this.formData.amount * this.formData.quantity
+    },
   },
   onShow() {
     if (!this.hasAgreed) {
@@ -205,6 +216,7 @@ export default {
     return {
       hasAgreed: false,
       formData: {
+        quantity: 1,
         name: '',
         phone: '',
         address: '',
@@ -214,10 +226,11 @@ export default {
         period: '',
         suitId: '', // 租赁周期ID
         channelId: '3', //渠道id
+        amount: 0,
         payAmount: 0,
       },
       showDetails: false,
-      totalAmount: '0.00',
+
       deviceTypes: [], // 设备类型列表
       periodPackages: [], // 租赁周期套餐列表
       selectedDevice: null, // 选中的设备
@@ -330,7 +343,7 @@ export default {
           this.formData.suitId = ''
 
           this.selectedPackage = null
-          this.totalAmount = '0.00'
+          this.payAmount = '0.00'
 
           // 根据选中的设备类型获取租赁套餐
           this.getPeriodPackages(selectedDevice.suitId)
@@ -368,8 +381,7 @@ export default {
           this.selectedPackage = selectedPackage
           this.formData.period = selectedPackage.name
           this.formData.suitId = selectedPackage.id
-          this.formData.payAmount = selectedPackage.amount
-          this.totalAmount = selectedPackage.amount.toFixed(2)
+          this.formData.amount = selectedPackage.amount
           console.log('选中套餐:', selectedPackage)
           console.log('选中租赁周期id:', this.formData.suitId)
         },
@@ -379,6 +391,7 @@ export default {
       this.showDetails = !this.showDetails
     },
     handlePayment() {
+      this.formData.payAmount = this.payAmount
       if (checkLoginStatus()) {
         return
       }
@@ -440,7 +453,7 @@ export default {
         return
       }
 
-      if (parseFloat(this.totalAmount) <= 0) {
+      if (parseFloat(this.payAmount) <= 0) {
         uni.showToast({
           title: '金额无效',
           icon: 'none',
@@ -460,7 +473,7 @@ export default {
       // 支付逻辑
       uni.showModal({
         title: '确认支付',
-        content: `确认支付 ¥${this.totalAmount} 吗？\n\n设备：${this.formData.equipment}\n周期：${this.formData.period}`,
+        content: `确认支付 ¥${this.payAmount} 吗？\n\n${this.formData.quantity}台${this.formData.equipment}\n周期：${this.formData.period}`,
         success: async res => {
           if (res.confirm) {
             // 这里可以调用支付API
@@ -517,7 +530,7 @@ export default {
 
             console.log('支付信息:', {
               ...this.formData,
-              amount: this.totalAmount,
+              amount: this.payAmount,
               selectedDevice: this.selectedDevice,
               selectedPackage: this.selectedPackage,
             })