diff --git a/web-admin/src/views/m/pl/plan-cert/archive-form.vue b/web-admin/src/views/m/pl/plan-cert/archive-form.vue
index 9f94e6c7b..909620535 100644
--- a/web-admin/src/views/m/pl/plan-cert/archive-form.vue
+++ b/web-admin/src/views/m/pl/plan-cert/archive-form.vue
@@ -512,6 +512,8 @@
 <script setup lang="ts">
   import { ElMessage } from 'element-plus'
   import { fetchCustomerOptions } from '@/api/crm/customer'
+  import { listContract } from '@/api/crm/contract'
+  import type { ContractVO } from '@/api/crm/contract/types'
   import AttachmentUploadField from '@/components/business/attachment-upload-field/index.vue'
   import MpWebviewShell from '@/layouts/MpWebviewShell.vue'
   import MpBusinessHeader from '@/components/mp/MpBusinessHeader.vue'
@@ -540,11 +542,14 @@
   } from '@/views/pl/quota-cert/model'
   import {
     bindingsFromPurchaseCerts,
-    contractsForCustomer,
     exactCustomerMatches,
     matchPurchaseCert,
     scopeProductsFromLines
   } from '@/views/pl/quota-cert/contract-binder-rules'
+  import {
+    certArchiveContractListQuery,
+    filterAvailableBindingContracts
+  } from '@/views/pl/quota-cert/cert-archive-contract-query'
   import { getProductUnitLabel } from '@/utils/crm-product-display'
   import { useDictStore } from '@/store/modules/dict'
   import { showCrmConfirmDialog } from '@/utils/mp-crm-confirm'
@@ -928,19 +933,39 @@
       if (current === epoch) ElMessage.warning('客户匹配失败，请手工选择')
     }
   }
+  function toContractOption(row: ContractVO): ContractOption {
+    return {
+      id: String(row.id),
+      contractNo: row.contractNo || '',
+      contractName: row.contractName || '',
+      contractType: row.contractType,
+      customerId: row.customerId != null ? String(row.customerId) : '',
+      customerName: row.customerName,
+      status: row.status,
+      signDate: row.signDate || null
+    }
+  }
   async function searchContracts(keyword = '') {
     const current = epoch
+    const query = certArchiveContractListQuery(bindingCustomer.value.id, keyword)
+    if (!query) {
+      contractOptions.value = []
+      return
+    }
     try {
-      const rows = await quotaCertApi.contracts(keyword)
+      const result = await listContract(query)
       if (current !== epoch) return
-      const taken = new Set(
-        (form.value.contractBindings || []).map((row: CertificateContractBinding) => row.contractId)
+      const taken = (form.value.contractBindings || []).map(
+        (row: CertificateContractBinding) => row.contractId
       )
-      contractOptions.value = contractsForCustomer(rows, bindingCustomer.value).filter(
-        (row) => !taken.has(row.id)
+      contractOptions.value = filterAvailableBindingContracts(result.rows || [], taken).map(
+        toContractOption
       )
     } catch {
-      if (current === epoch) contractOptions.value = []
+      if (current === epoch) {
+        contractOptions.value = []
+        ElMessage.warning('合同加载失败，请重试')
+      }
     }
   }
   function openContracts() {
diff --git a/web-admin/src/views/pl/quota-cert/cert-archive-contract-query.test.ts b/web-admin/src/views/pl/quota-cert/cert-archive-contract-query.test.ts
new file mode 100644
index 000000000..dd2b0d76c
--- /dev/null
+++ b/web-admin/src/views/pl/quota-cert/cert-archive-contract-query.test.ts
@@ -0,0 +1,34 @@
+import assert from 'node:assert/strict'
+import { test } from 'node:test'
+import {
+  certArchiveContractListQuery,
+  filterAvailableBindingContracts
+} from './cert-archive-contract-query'
+
+test('证件建档合同查询必须带客户 ID，不能只靠前端再过滤最近合同', () => {
+  assert.deepEqual(certArchiveContractListQuery('cust-1', ' HT-01 '), {
+    pageNum: 1,
+    pageSize: 50,
+    keyword: 'HT-01',
+    customerId: 'cust-1',
+    excludeStatus: 'invalid',
+    includeProducts: false
+  })
+  assert.equal(certArchiveContractListQuery(''), null)
+  assert.equal(certArchiveContractListQuery('  '), null)
+  assert.deepEqual(certArchiveContractListQuery('cust-2', '  ').keyword, undefined)
+})
+
+test('已关联合同与不可选状态不进入添加列表', () => {
+  const rows = [
+    { id: 'a', status: 'approved' },
+    { id: 'b', status: 'executing' },
+    { id: 'c', status: 'draft' },
+    { id: 'd', status: 'approved' },
+    { id: '', status: 'approved' }
+  ]
+  assert.deepEqual(
+    filterAvailableBindingContracts(rows, ['d', '']).map((item) => item.id),
+    ['a', 'b']
+  )
+})
diff --git a/web-admin/src/views/pl/quota-cert/cert-archive-contract-query.ts b/web-admin/src/views/pl/quota-cert/cert-archive-contract-query.ts
new file mode 100644
index 000000000..d6c31fb54
--- /dev/null
+++ b/web-admin/src/views/pl/quota-cert/cert-archive-contract-query.ts
@@ -0,0 +1,49 @@
+/** 证件建档添加合同时的 CRM 列表查询与本地过滤。 */
+
+export interface CertArchiveContractListQuery {
+  pageNum: number
+  pageSize: number
+  keyword?: string
+  customerId: string
+  excludeStatus: 'invalid'
+  includeProducts: false
+}
+
+/** 已选客户后按客户 ID 分页查询，避免只取最近合同再前端过滤。 */
+export function certArchiveContractListQuery(
+  customerId: string,
+  keyword = ''
+): CertArchiveContractListQuery | null {
+  const id = String(customerId || '').trim()
+  if (!id) return null
+  const text = keyword.trim()
+  return {
+    pageNum: 1,
+    pageSize: 50,
+    keyword: text || undefined,
+    customerId: id,
+    excludeStatus: 'invalid',
+    includeProducts: false
+  }
+}
+
+const DEFAULT_STATUSES = ['approved', 'executing']
+
+/** 去掉已关联合同和不在可选状态内的行。 */
+export function filterAvailableBindingContracts<T extends { id?: string | number; status?: string }>(
+  rows: T[],
+  takenIds: Iterable<string>,
+  selectableStatuses: string[] = DEFAULT_STATUSES
+): T[] {
+  const taken = new Set(
+    [...takenIds].map((id) => String(id || '').trim()).filter(Boolean)
+  )
+  return rows.filter((row) => {
+    const id = String(row.id || '').trim()
+    if (!id || taken.has(id)) return false
+    if (selectableStatuses.length && !selectableStatuses.includes(String(row.status || ''))) {
+      return false
+    }
+    return true
+  })
+}