fix: 修复月卡无法编辑次数的问题

packages/app/src/components/BookingConfirmPopup.vue

@@ -36,7 +36,7 @@
       <!-- Membership card selection -->
       <view class="card-section">
         <view class="section-label-row">
-          <text class="section-label">选择扣课会员卡</text>
+          <text class="section-label">选择会员卡</text>
         </view>
 
         <!-- Single membership -->
@@ -96,7 +96,9 @@
       <!-- Deduction tip -->
       <view class="deduction-tip" v-if="selectedMembership">
         <text class="deduction-text">
-          确认后将从「{{ selectedMembership.cardType.name }}」扣除 1 次课时
+          {{ selectedMembership.remainingTimes === null
+            ? `「${selectedMembership.cardType.name}」有效期内不限次`
+            : `确认后将从「${selectedMembership.cardType.name}」扣除 1 次课时` }}
         </text>
       </view>