diff --git a/src/views/finance/purchasingrequisition/add.vue b/src/views/finance/purchasingrequisition/add.vue
index d1b84ed..7e76142 100644
--- a/src/views/finance/purchasingrequisition/add.vue
+++ b/src/views/finance/purchasingrequisition/add.vue
@@ -699,6 +699,8 @@ const DEPT_PURCHASE_TYPE = {
   BUSINESS_NEGOTIATION: '3',
   ENTRUST_CENTER: '4',
   INQUIRY: '5',
+  /** 公开招标（部门自行采购下委托采购中心采购时可选择） */
+  OPEN_TENDERING: '100',
 } as const;
 
 // 学校统一采购方式字典 value（与 PurchaseTypeEnum 一致）
diff --git a/src/views/finance/purchasingrequisition/implement.vue b/src/views/finance/purchasingrequisition/implement.vue
index 2bf6c94..07298e2 100644
--- a/src/views/finance/purchasingrequisition/implement.vue
+++ b/src/views/finance/purchasingrequisition/implement.vue
@@ -3,8 +3,8 @@
     <div class="implement-form">
       <el-form-item label="实施采购方式" required>
         <el-radio-group v-model="implementType">
-          <el-radio label="1">自行组织采购</el-radio>
-          <el-radio label="2">委托代理采购</el-radio>
+          <el-radio :label="IMPLEMENT_TYPE.SELF_ORGANIZED">自行组织采购</el-radio>
+          <el-radio :label="IMPLEMENT_TYPE.ENTRUST_AGENT">委托代理采购</el-radio>
         </el-radio-group>
       </el-form-item>
 
@@ -81,9 +81,41 @@ import { useMessage } from '/@/hooks/message'
 import { Session } from '/@/utils/storage'
 import * as orderVue from '/@/api/order/order-key-vue'
 
+// ==================== 常量定义（与后端枚举保持一致） ====================
+
 /** 部门审核角色编码：仅该角色下显示采购代表相关页面和功能，流转至部门审核时需填写采购代表 */
 const PURCHASE_DEPT_AUDIT_ROLE_CODE = 'PURCHASE_DEPT_AUDIT'
 
+/** 实施采购方式（与后端 ImplementTypeEnum 一致） */
+const IMPLEMENT_TYPE = {
+  /** 自行组织采购 */
+  SELF_ORGANIZED: '1',
+  /** 委托代理采购 */
+  ENTRUST_AGENT: '2',
+} as const
+
+/** 采购形式（与后端 PurchaseModeEnum 一致） */
+const PURCHASE_MODE = {
+  /** 部门自行采购 */
+  DEPT_SELF: '1',
+  /** 学校统一采购 */
+  SCHOOL_UNIFIED: '2',
+} as const
+
+/** 采购途径（与后端 PurchaseChannelEnum 一致） */
+const PURCHASE_CHANNEL = {
+  /** 自行采购 */
+  SELF: '1',
+  /** 委托采购中心采购 */
+  ENTRUST_CENTER: '2',
+} as const
+
+/** 是否标识（与后端 CommonConstants.YES/NO 一致） */
+const YES_NO = {
+  NO: '0',
+  YES: '1',
+} as const
+
 const roleCode = computed(() => Session.getRoleCode() || '')
 const isDeptAuditRole = computed(() => roleCode.value === PURCHASE_DEPT_AUDIT_ROLE_CODE)
 
@@ -117,7 +149,7 @@ const applyIdRaw = computed(() => {
 })
 
 const applyRow = ref<any>(null)
-const implementType = ref<string>('1')
+const implementType = ref<string>(IMPLEMENT_TYPE.SELF_ORGANIZED)
 const implementSubmitting = ref(false)
 
 const representorMode = ref<'single' | 'multi'>('single')
@@ -139,20 +171,22 @@ let rollInterval: ReturnType<typeof setInterval> | null = null
 /** 是否可以分配代理：委托代理采购 且 (学校统一采购 或 部门自行采购且委托采购中心采购) */
 const canAssignAgent = computed(() => {
   // 自行组织采购不需要分配代理
-  if (implementType.value !== '2') return false
+  if (implementType.value !== IMPLEMENT_TYPE.ENTRUST_AGENT) return false
   const row = applyRow.value
   if (!row) return false
-  return row.purchaseMode === '2' || (row.purchaseMode === '0' && row.purchaseType === '4')
+  // 学校统一采购 或 部门自行采购且委托采购中心采购
+  return row.purchaseMode === PURCHASE_MODE.SCHOOL_UNIFIED
+    || (row.purchaseMode === PURCHASE_MODE.DEPT_SELF && row.purchaseChannel === PURCHASE_CHANNEL.ENTRUST_CENTER)
 })
 
 /** 是否可以发送招标代理：委托代理采购 且 已分配代理 且 未发送 */
 const canSendToAgent = computed(() => {
   // 自行组织采购不需要发送
-  if (implementType.value !== '2') return false
+  if (implementType.value !== IMPLEMENT_TYPE.ENTRUST_AGENT) return false
   const row = applyRow.value
   if (!row) return false
   // 已分配代理 且 未发送
-  return !!row.agentId && row.agentSent !== '1'
+  return !!row.agentId && row.agentSent !== YES_NO.YES
 })
 
 const loadAgentList = async () => {
diff --git a/src/views/finance/purchasingrequisition/index.vue b/src/views/finance/purchasingrequisition/index.vue
index 4d4625f..0b6b6ad 100644
--- a/src/views/finance/purchasingrequisition/index.vue
+++ b/src/views/finance/purchasingrequisition/index.vue
@@ -581,6 +581,7 @@ const handleSubmit = async (row: any) => {
 /** 操作栏「更多」菜单项配置 */
 const getActionMenuItems = (row: any) => {
   const isTemp = row?.status === '-1';
+  const isCompleted = row?.status === '1';
   const items = [
     {
       command: 'edit',
@@ -610,19 +611,19 @@ const getActionMenuItems = (row: any) => {
       command: 'implement',
       label: '实施采购',
       icon: Upload,
-      visible: () => hasAuth('purchase_implement'),
+      visible: () => isCompleted && hasAuth('purchase_implement'),
     },
     {
       command: 'archive',
       label: '文件归档',
       icon: FolderOpened,
-      visible: () => hasAuth('purchase_archive'),
+      visible: () => isCompleted && hasAuth('purchase_archive'),
     },
     {
       command: 'downloadApply',
       label: '下载审批表',
       icon: Download,
-      visible: () => true,
+      visible: () => isCompleted,
     },
     {
       command: 'representor',