diff --git a/src/api/index.js b/src/api/index.js
index 02b5cd8..21235a9 100644
--- a/src/api/index.js
+++ b/src/api/index.js
@@ -47,11 +47,13 @@ export const subPortalApi = {
 export const subordinateApi = {
   createInvitation: (data) => request.post('/subordinate/invitations', data || {}),
   listSubordinates: (params) => request.get('/subordinate/subordinates', { params }),
+  updateRemark: (data) => request.patch('/subordinate/subordinates/remark', data),
   allocate: (data) => request.post('/subordinate/allocate', data),
   listAllocations: (params) => request.get('/subordinate/allocations', { params }),
   purchaseQuota: (data) => request.post('/subordinate/purchase-quota', data),
   listQuotaPurchases: (params) => request.get('/subordinate/quota-purchases', { params }),
   listChildQuotas: (params) => request.get('/subordinate/child-quotas', { params }),
+  listChildApiCalls: (params) => request.get('/subordinate/child-api-calls', { params }),
   listMyQuotas: () => request.get('/subordinate/my-quotas'),
   assignSubscription: (data) => request.post('/subordinate/assign-subscription', data),
   listChildSubscriptions: (params) => request.get('/subordinate/child-subscriptions', { params }),
diff --git a/src/pages/parent/SubordinateManagement.vue b/src/pages/parent/SubordinateManagement.vue
index 4787fde..f682558 100644
--- a/src/pages/parent/SubordinateManagement.vue
+++ b/src/pages/parent/SubordinateManagement.vue
@@ -5,13 +5,46 @@
   >
     <template #filters>
       <div class="bg-white rounded-lg shadow-sm border border-gray-200 p-4 mb-4">
-        <div class="flex flex-wrap items-center justify-between gap-3">
-          <div class="text-sm text-gray-600">共找到 {{ total }} 个下属账号</div>
-          <div class="flex items-center gap-2">
-            <el-button class="toolbar-btn toolbar-btn-secondary" :loading="listLoading" @click="loadList">刷新列表</el-button>
-            <el-button class="toolbar-btn toolbar-btn-primary" type="primary" :loading="invLoading" @click="createInvite">生成新邀请</el-button>
+        <FilterSection>
+          <div class="grid grid-cols-1 md:grid-cols-2 lg:grid-cols-3 gap-4">
+            <FilterItem label="备注">
+              <el-input
+                v-model="filters.remark"
+                placeholder="模糊搜索备注"
+                clearable
+                @input="handleFilterChange"
+                class="w-full"
+              />
+            </FilterItem>
+            <FilterItem label="手机号">
+              <el-input
+                v-model="filters.phone"
+                placeholder="模糊搜索手机号"
+                clearable
+                maxlength="11"
+                @input="handleFilterChange"
+                class="w-full"
+              />
+            </FilterItem>
+            <FilterItem label="下属公司">
+              <el-input
+                v-model="filters.company_name"
+                placeholder="模糊搜索公司名称"
+                clearable
+                @input="handleFilterChange"
+                class="w-full"
+              />
+            </FilterItem>
           </div>
-        </div>
+          <template #stats>
+            共找到 {{ total }} 个下属账号
+          </template>
+          <template #buttons>
+            <el-button class="toolbar-btn toolbar-btn-secondary" @click="resetFilters">重置</el-button>
+            <el-button class="toolbar-btn toolbar-btn-secondary" :loading="listLoading" @click="loadList">刷新列表</el-button>
+            <el-button class="toolbar-btn toolbar-btn-primary" type="primary" :loading="invLoading" @click="createInvite">复制邀请链接</el-button>
+          </template>
+        </FilterSection>
       </div>
     </template>
 
@@ -46,12 +79,41 @@
                 <span class="font-medium text-gray-700">{{ row.phone || '-' }}</span>
               </template>
             </el-table-column>
-            <el-table-column prop="company_name" label="下属公司" min-width="220" show-overflow-tooltip>
+            <el-table-column prop="company_name" label="下属公司" min-width="200" show-overflow-tooltip>
               <template #default="{ row }">
                 <el-tag v-if="row.is_certified" type="success" size="small">{{ row.company_name }}</el-tag>
                 <el-tag v-else type="info" size="small">未认证</el-tag>
               </template>
             </el-table-column>
+            <el-table-column prop="remark" label="备注" min-width="180">
+              <template #default="{ row }">
+                <el-input
+                  v-model="row.remark"
+                  placeholder="添加备注"
+                  size="small"
+                  clearable
+                  :disabled="row._remarkSaving"
+                  @blur="saveRemark(row)"
+                  @keyup.enter="($event.target)?.blur()"
+                />
+              </template>
+            </el-table-column>
+            <el-table-column label="产品与剩余额度" min-width="280">
+              <template #default="{ row }">
+                <div v-if="!row.product_quotas?.length" class="text-xs text-gray-400">暂无额度</div>
+                <div v-else class="flex flex-wrap gap-1">
+                  <el-tag
+                    v-for="item in row.product_quotas"
+                    :key="item.product_id"
+                    size="small"
+                    type="info"
+                    class="quota-tag"
+                  >
+                    {{ item.product_name }}：{{ item.available_quota }}
+                  </el-tag>
+                </div>
+              </template>
+            </el-table-column>
             <el-table-column prop="registered_at" label="注册时间" width="220">
               <template #default="{ row }">
                 <div class="text-sm text-gray-600">{{ formatDateTime(row.registered_at) }}</div>
@@ -62,9 +124,17 @@
                 <span class="font-semibold text-emerald-600">¥{{ formatMoney(row.balance) }}</span>
               </template>
             </el-table-column>
-            <el-table-column label="操作" width="110" fixed="right">
+            <el-table-column label="操作" width="200" fixed="right">
               <template #default="{ row }">
-                <div class="flex items-center gap-1">
+                <div class="flex flex-wrap items-center gap-1">
+                  <el-button
+                    class="table-action-btn action-calls"
+                    text
+                    bg
+                    @click="openApiCalls(row)"
+                  >
+                    调用记录
+                  </el-button>
                   <el-button
                     class="table-action-btn action-allocate"
                     :class="{ 'action-disabled': !row.is_certified }"
@@ -194,12 +264,116 @@
           <el-button class="dialog-btn dialog-btn-secondary" @click="allocRecordVisible = false">关闭</el-button>
         </template>
       </el-dialog>
+
+      <el-dialog
+        v-model="apiCallsVisible"
+        :title="`下属调用记录${apiCallsTarget.company ? ' - ' + apiCallsTarget.company : ''}`"
+        width="960px"
+        @close="resetApiCallsDialog"
+      >
+        <div class="space-y-3">
+          <div class="grid grid-cols-1 md:grid-cols-3 gap-3">
+            <el-input
+              v-model="apiCallsFilters.transaction_id"
+              placeholder="交易ID"
+              clearable
+              @keyup.enter="searchApiCalls"
+            />
+            <el-input
+              v-model="apiCallsFilters.product_name"
+              placeholder="产品名称"
+              clearable
+              @keyup.enter="searchApiCalls"
+            />
+            <el-select v-model="apiCallsFilters.status" placeholder="调用状态" clearable class="w-full">
+              <el-option label="全部" value="" />
+              <el-option label="成功" value="success" />
+              <el-option label="失败" value="failed" />
+              <el-option label="处理中" value="pending" />
+            </el-select>
+          </div>
+          <div class="flex items-center justify-between gap-2">
+            <span class="text-sm text-gray-500">共 {{ apiCallsTotal }} 条记录</span>
+            <div class="flex gap-2">
+              <el-button class="toolbar-btn toolbar-btn-secondary" @click="resetApiCallsFilters">重置</el-button>
+              <el-button class="toolbar-btn toolbar-btn-primary" type="primary" :loading="apiCallsLoading" @click="searchApiCalls">查询</el-button>
+            </div>
+          </div>
+
+          <el-table v-loading="apiCallsLoading" :data="apiCalls" border stripe max-height="420" size="small">
+            <el-table-column prop="transaction_id" label="交易ID" min-width="170" show-overflow-tooltip />
+            <el-table-column prop="product_name" label="接口名称" min-width="140" show-overflow-tooltip />
+            <el-table-column prop="status" label="状态" width="90">
+              <template #default="{ row }">
+                <el-tag :type="getApiCallStatusType(row.status)" size="small">{{ getApiCallStatusText(row.status) }}</el-tag>
+              </template>
+            </el-table-column>
+            <el-table-column prop="translated_error_msg" label="错误信息" min-width="160" show-overflow-tooltip>
+              <template #default="{ row }">
+                <span>{{ row.translated_error_msg || row.error_msg || '-' }}</span>
+              </template>
+            </el-table-column>
+            <el-table-column prop="client_ip" label="客户端IP" width="130" />
+            <el-table-column prop="start_at" label="调用时间" width="170">
+              <template #default="{ row }">
+                {{ formatDateTime(row.start_at) }}
+              </template>
+            </el-table-column>
+            <el-table-column label="操作" width="90" fixed="right">
+              <template #default="{ row }">
+                <el-button size="small" type="primary" link @click="viewApiCallDetail(row)">详情</el-button>
+              </template>
+            </el-table-column>
+          </el-table>
+
+          <div class="pagination-wrapper !py-0">
+            <el-pagination
+              v-if="apiCallsTotal > 0"
+              v-model:current-page="apiCallsPage"
+              v-model:page-size="apiCallsPageSize"
+              :page-sizes="[10, 20, 50]"
+              :total="apiCallsTotal"
+              layout="total, sizes, prev, pager, next"
+              @size-change="loadChildApiCalls"
+              @current-change="loadChildApiCalls"
+            />
+          </div>
+        </div>
+        <template #footer>
+          <el-button class="dialog-btn dialog-btn-secondary" @click="apiCallsVisible = false">关闭</el-button>
+        </template>
+      </el-dialog>
+
+      <el-dialog v-model="apiCallDetailVisible" title="调用详情" width="760px">
+        <div v-if="selectedApiCall" class="grid grid-cols-1 md:grid-cols-2 gap-4 text-sm">
+          <div><span class="text-gray-500">交易ID：</span>{{ selectedApiCall.transaction_id }}</div>
+          <div>
+            <span class="text-gray-500">状态：</span>
+            <el-tag :type="getApiCallStatusType(selectedApiCall.status)" size="small">
+              {{ getApiCallStatusText(selectedApiCall.status) }}
+            </el-tag>
+          </div>
+          <div><span class="text-gray-500">接口名称：</span>{{ selectedApiCall.product_name || '-' }}</div>
+          <div><span class="text-gray-500">客户端IP：</span>{{ selectedApiCall.client_ip || '-' }}</div>
+          <div><span class="text-gray-500">调用时间：</span>{{ formatDateTime(selectedApiCall.start_at) }}</div>
+          <div><span class="text-gray-500">完成时间：</span>{{ selectedApiCall.end_at ? formatDateTime(selectedApiCall.end_at) : '-' }}</div>
+          <div class="md:col-span-2">
+            <span class="text-gray-500">错误信息：</span>
+            {{ selectedApiCall.translated_error_msg || selectedApiCall.error_msg || '-' }}
+          </div>
+        </div>
+        <template #footer>
+          <el-button class="dialog-btn dialog-btn-secondary" @click="apiCallDetailVisible = false">关闭</el-button>
+        </template>
+      </el-dialog>
     </template>
   </ListPageLayout>
 </template>
 
 <script setup>
 import { financeApi, subordinateApi, subscriptionApi } from '@/api'
+import FilterItem from '@/components/common/FilterItem.vue'
+import FilterSection from '@/components/common/FilterSection.vue'
 import ListPageLayout from '@/components/common/ListPageLayout.vue'
 import { useAliyunCaptcha } from '@/composables/useAliyunCaptcha'
 import { useUserStore } from '@/stores/user'
@@ -214,6 +388,11 @@ const page = ref(1)
 const pageSize = ref(20)
 const listLoading = ref(false)
 const invLoading = ref(false)
+const filters = reactive({
+  remark: '',
+  phone: '',
+  company_name: ''
+})
 
 const allocVisible = ref(false)
 const allocLoading = ref(false)
@@ -240,6 +419,21 @@ const allocationPageSize = ref(10)
 
 const parentSubscriptions = ref([])
 
+const apiCallsVisible = ref(false)
+const apiCallsLoading = ref(false)
+const apiCalls = ref([])
+const apiCallsTotal = ref(0)
+const apiCallsPage = ref(1)
+const apiCallsPageSize = ref(10)
+const apiCallsTarget = ref({ childId: '', company: '', phone: '' })
+const apiCallsFilters = reactive({
+  transaction_id: '',
+  product_name: '',
+  status: ''
+})
+const apiCallDetailVisible = ref(false)
+const selectedApiCall = ref(null)
+
 const lastInvite = ref('')
 const allocTotalAmount = computed(() => {
   const selected = allocProducts.value.find((item) => item.product_id === allocForm.value.productId)
@@ -270,9 +464,22 @@ const formatMoney = (value) => {
 const loadList = async () => {
   listLoading.value = true
   try {
-    const res = await subordinateApi.listSubordinates({ page: page.value, page_size: pageSize.value })
+    const params = {
+      page: page.value,
+      page_size: pageSize.value
+    }
+    if (filters.remark.trim()) params.remark = filters.remark.trim()
+    if (filters.phone.trim()) params.phone = filters.phone.trim()
+    if (filters.company_name.trim()) params.company_name = filters.company_name.trim()
+
+    const res = await subordinateApi.listSubordinates(params)
     if (res?.success && res.data) {
-      list.value = res.data.items || []
+      list.value = (res.data.items || []).map((item) => ({
+        ...item,
+        remark: item.remark || '',
+        _remarkOriginal: item.remark || '',
+        _remarkSaving: false
+      }))
       total.value = res.data.total || 0
     }
   } catch (e) {
@@ -282,13 +489,51 @@ const loadList = async () => {
   }
 }
 
+const handleFilterChange = () => {
+  page.value = 1
+  loadList()
+}
+
+const resetFilters = () => {
+  filters.remark = ''
+  filters.phone = ''
+  filters.company_name = ''
+  page.value = 1
+  loadList()
+}
+
+const saveRemark = async (row) => {
+  if (row._remarkSaving) return
+  const current = (row.remark || '').trim()
+  const original = (row._remarkOriginal || '').trim()
+  if (current === original) return
+
+  row._remarkSaving = true
+  try {
+    const res = await subordinateApi.updateRemark({
+      child_user_id: row.child_user_id,
+      remark: current
+    })
+    if (res?.success) {
+      row.remark = current
+      row._remarkOriginal = current
+      ElMessage.success('备注已保存')
+    }
+  } catch (e) {
+    row.remark = row._remarkOriginal
+    ElMessage.error(e?.response?.data?.message || e?.message || '备注保存失败')
+  } finally {
+    row._remarkSaving = false
+  }
+}
+
 const createInvite = async () => {
   invLoading.value = true
   try {
     const res = await subordinateApi.createInvitation({})
     if (res?.success && res.data) {
       lastInvite.value = res.data.invite_url || res.data.invite_token
-      ElMessage.success('邀请已生成，请复制链接发送给下属')
+      ElMessage.success('邀请链接已复制，可邀请多名下属重复使用')
       await navigator.clipboard.writeText(res.data.invite_url || res.data.invite_token).catch(() => {})
     }
   } catch (e) {
@@ -462,6 +707,99 @@ const loadAllocationRecords = async () => {
   }
 }
 
+const getApiCallStatusType = (status) => {
+  switch (status) {
+    case 'success':
+      return 'success'
+    case 'failed':
+      return 'danger'
+    case 'pending':
+      return 'warning'
+    default:
+      return 'info'
+  }
+}
+
+const getApiCallStatusText = (status) => {
+  switch (status) {
+    case 'success':
+      return '成功'
+    case 'failed':
+      return '失败'
+    case 'pending':
+      return '处理中'
+    default:
+      return '未知'
+  }
+}
+
+const resetApiCallsDialog = () => {
+  apiCalls.value = []
+  apiCallsTotal.value = 0
+  apiCallsPage.value = 1
+  apiCallsPageSize.value = 10
+  apiCallsTarget.value = { childId: '', company: '', phone: '' }
+  apiCallsFilters.transaction_id = ''
+  apiCallsFilters.product_name = ''
+  apiCallsFilters.status = ''
+  selectedApiCall.value = null
+  apiCallDetailVisible.value = false
+}
+
+const resetApiCallsFilters = () => {
+  apiCallsFilters.transaction_id = ''
+  apiCallsFilters.product_name = ''
+  apiCallsFilters.status = ''
+  apiCallsPage.value = 1
+  loadChildApiCalls()
+}
+
+const searchApiCalls = () => {
+  apiCallsPage.value = 1
+  loadChildApiCalls()
+}
+
+const loadChildApiCalls = async () => {
+  if (!apiCallsTarget.value.childId) return
+  apiCallsLoading.value = true
+  try {
+    const params = {
+      child_user_id: apiCallsTarget.value.childId,
+      page: apiCallsPage.value,
+      page_size: apiCallsPageSize.value
+    }
+    if (apiCallsFilters.transaction_id.trim()) params.transaction_id = apiCallsFilters.transaction_id.trim()
+    if (apiCallsFilters.product_name.trim()) params.product_name = apiCallsFilters.product_name.trim()
+    if (apiCallsFilters.status) params.status = apiCallsFilters.status
+
+    const res = await subordinateApi.listChildApiCalls(params)
+    if (res?.success && res.data) {
+      apiCalls.value = res.data.items || []
+      apiCallsTotal.value = res.data.total || 0
+    }
+  } catch (e) {
+    ElMessage.error(e?.response?.data?.message || e?.message || '加载调用记录失败')
+  } finally {
+    apiCallsLoading.value = false
+  }
+}
+
+const openApiCalls = async (row) => {
+  apiCallsTarget.value = {
+    childId: row.child_user_id,
+    company: row.is_certified ? row.company_name : '',
+    phone: row.phone || ''
+  }
+  apiCallsPage.value = 1
+  apiCallsVisible.value = true
+  await loadChildApiCalls()
+}
+
+const viewApiCallDetail = (row) => {
+  selectedApiCall.value = row
+  apiCallDetailVisible.value = true
+}
+
 const handleSizeChange = (size) => {
   pageSize.value = size
   page.value = 1
@@ -541,6 +879,10 @@ onUnmounted(() => {
   color: #2563eb;
 }
 
+.action-calls {
+  color: #7c3aed;
+}
+
 .action-subscribe {
   color: #059669;
 }
@@ -588,10 +930,19 @@ onUnmounted(() => {
   font-weight: 700;
 }
 
+.quota-tag {
+  max-width: 100%;
+  white-space: normal;
+  height: auto;
+  line-height: 1.4;
+  padding-top: 2px;
+  padding-bottom: 2px;
+}
+
 @media (max-width: 768px) {
   :deep(.el-table) {
     font-size: 12px;
-    min-width: 860px;
+    min-width: 980px;
   }
 
   :deep(.el-table th),
diff --git a/src/pages/sub-portal/SubRegister.vue b/src/pages/sub-portal/SubRegister.vue
index efb4bb2..8e1262d 100644
--- a/src/pages/sub-portal/SubRegister.vue
+++ b/src/pages/sub-portal/SubRegister.vue
@@ -2,7 +2,7 @@
   <div class="w-full auth-fade-in">
     <div class="text-center mb-6">
       <h2 class="auth-title">注册账号</h2>
-      <p class="auth-subtitle">填写邀请码与手机号，完成账号注册</p>
+      <p class="auth-subtitle">填写主账号邀请码与手机号，完成账号注册</p>
     </div>
 
     <form class="space-y-4" @submit.prevent="onRegister">
diff --git a/src/pages/subscriptions/index.vue b/src/pages/subscriptions/index.vue
index f86a523..bec6de7 100644
--- a/src/pages/subscriptions/index.vue
+++ b/src/pages/subscriptions/index.vue
@@ -132,6 +132,16 @@
             </template>
           </el-table-column>
 
+          <el-table-column
+            v-if="isSubordinate"
+            label="官方价格"
+            :width="isMobile ? 100 : 120"
+          >
+            <template #default="{ row }">
+              <span class="font-semibold text-gray-700">¥{{ formatPrice(row.product?.price) }}</span>
+            </template>
+          </el-table-column>
+
           <el-table-column
             v-if="isSubordinate"
             label="剩余额度"