fix: 修复月卡无法编辑次数的问题

packages/app/src/pages/admin/card-types.vue

@@ -150,7 +150,7 @@
                 class="modal-input"
                 type="number"
                 v-model="form.totalTimesStr"
-                placeholder="次卡必填，月卡留空"
+                placeholder="次卡必填；月卡可填写次数"
                 placeholder-style="color:#bbb"
               />
             </view>

packages/app/src/pages/admin/member-arrange.vue

@@ -27,7 +27,7 @@
           >
             <text class="card-pill-name">{{ card.cardType.name }}</text>
             <text class="card-pill-meta">
-              {{ card.remainingTimes == null ? '月卡不扣次' : `剩 ${card.remainingTimes} 次` }}
+              {{ card.remainingTimes === null ? '有效期内不限次' : `剩 ${card.remainingTimes} 次` }}
             </text>
           </view>
         </view>
@@ -146,11 +146,11 @@ const selectedMembership = computed(
 
 const canArrange = computed(() => Boolean(selectedMembership.value))
 
-const isDurationCard = computed(() => selectedMembership.value?.remainingTimes == null)
+const isCountLimited = computed(() => selectedMembership.value?.remainingTimes !== null)
 
 const deductHint = computed(() => {
-  if (isDurationCard.value) {
-    return '将立即确认该课，月卡不扣次，会员无需再确认。'
+  if (!isCountLimited.value) {
+    return '将立即确认该课，会员卡不限次，会员无需再确认。'
   }
   return '将立即确认该课并扣除 1 次，会员无需再确认。'
 })

packages/app/src/pages/admin/member-edit.vue

@@ -55,9 +55,16 @@
           </picker>
         </view>
 
-        <view v-if="isTimeBasedCard" class="field">
-          <text class="field-label">剩余次数</text>
-          <input class="field-input" type="number" v-model="editForm.remainingTimes" placeholder="请输入剩余次数" />
+        <view v-if="selectedCardType" class="field">
+          <text class="field-label">
+            {{ canLeaveTimesEmpty ? '剩余次数（留空不限次）' : '剩余次数' }}
+          </text>
+          <input
+            class="field-input"
+            type="number"
+            v-model="editForm.remainingTimes"
+            :placeholder="canLeaveTimesEmpty ? '留空表示不限次' : '请输入剩余次数'"
+          />
         </view>
 
         <view class="field">
@@ -124,7 +131,7 @@ const editForm = ref({
   membershipId: '' as string | '',
   cardTypeIndex: 0,
   cardTypeId: '',
-  remainingTimes: null as number | null,
+  remainingTimes: null as number | string | null,
   startDate: '',
   expireDate: '',
   manuallyEditedExpire: false,
@@ -137,9 +144,15 @@ const membershipPickerLabels = computed(() =>
   existingMemberships.value.map((item) => `${item.cardType.name} · ${item.status}`),
 )
 
-const isTimeBasedCard = computed(() => {
-  const card = cardTypes.value[editForm.value.cardTypeIndex]
-  return card && (card.type === 'TIMES' || card.type === 'TRIAL')
+const selectedCardType = computed(() => cardTypes.value[editForm.value.cardTypeIndex] ?? null)
+const canLeaveTimesEmpty = computed(() => {
+  const cardType = selectedCardType.value
+  const membership = editingMembership.value
+  if (!cardType || cardType.type !== 'DURATION') return false
+
+  return cardType.totalTimes === null || (
+    membership?.cardTypeId === cardType.id && membership.remainingTimes === null
+  )
 })
 
 function calculateExpireDate(startDate: string, durationDays: number): string {
@@ -183,11 +196,11 @@ function onMembershipPick(e: { detail: { value: number } }) {
 function onCardTypeChange(e: { detail: { value: number } }) {
   const idx = Number(e.detail.value)
   const cardType = cardTypes.value[idx]
+  if (!cardType) return
+
   editForm.value.cardTypeIndex = idx
   editForm.value.cardTypeId = cardType.id
-  if (cardType.totalTimes != null) {
-    editForm.value.remainingTimes = cardType.totalTimes
-  }
+  editForm.value.remainingTimes = cardType.totalTimes
   if (!editForm.value.manuallyEditedExpire) {
     editForm.value.startDate = formatDateLocal(new Date())
     editForm.value.expireDate = calculateExpireDate(formatDateLocal(new Date()), cardType.durationDays)
@@ -209,6 +222,17 @@ function onExpireDateChange(e: { detail: { value: string } }) {
   editForm.value.manuallyEditedExpire = true
 }
 
+function parseRemainingTimes(): number | null | undefined {
+  const rawValue = editForm.value.remainingTimes
+  if (rawValue === null || (typeof rawValue === 'string' && rawValue.trim() === '')) {
+    return null
+  }
+
+  const remainingTimes = Number(rawValue)
+  if (!Number.isInteger(remainingTimes) || remainingTimes < 0) return undefined
+  return remainingTimes
+}
+
 async function loadPage() {
   pageLoading.value = true
   try {
@@ -237,6 +261,17 @@ async function onSave() {
     uni.showToast({ title: '请选择卡类型', icon: 'none' })
     return
   }
+
+  const remainingTimes = parseRemainingTimes()
+  if (remainingTimes === undefined) {
+    uni.showToast({ title: '剩余次数需为非负整数', icon: 'none' })
+    return
+  }
+  if (remainingTimes === null && !canLeaveTimesEmpty.value) {
+    uni.showToast({ title: '请输入剩余次数', icon: 'none' })
+    return
+  }
+
   submitting.value = true
   try {
     await adminStore.updateMemberProfile(userId.value, {
@@ -246,7 +281,7 @@ async function onSave() {
     await adminStore.updateUserMembership(userId.value, {
       ...(editForm.value.membershipId ? { membershipId: editForm.value.membershipId } : {}),
       cardTypeId: editForm.value.cardTypeId,
-      remainingTimes: isTimeBasedCard.value ? Number(editForm.value.remainingTimes) || 0 : null,
+      remainingTimes,
       startDate: editForm.value.startDate,
       expireDate: editForm.value.expireDate,
     })

packages/app/src/pages/card/detail.vue

@@ -207,13 +207,13 @@
           </view>
           <view v-if="cardData.totalTimes" class="feature-item">
             <text class="feature-dot">•</text>
-            <text class="feature-text">每次预约扣除 1 次课时（次卡）</text>
+            <text class="feature-text">每次预约扣除 1 次课时</text>
           </view>
           <view v-if="cardData.type === CardTypeCategory.DURATION" class="feature-item">
             <text class="feature-dot">•</text>
             <text class="feature-text">如需退卡，已上课时按次卡单价计费扣除，不以月卡优惠价结算</text>
           </view>
-          <view v-if="cardData.type === CardTypeCategory.DURATION" class="feature-item">
+          <view v-if="cardData.type === CardTypeCategory.DURATION && !cardData.totalTimes" class="feature-item">
             <text class="feature-dot">•</text>
             <text class="feature-text">到期后自动失效</text>
           </view>