diff --git a/src/views/finance/purchasingrequisition/implement.vue b/src/views/finance/purchasingrequisition/implement.vue
index adbe723..8078ca0 100644
--- a/src/views/finance/purchasingrequisition/implement.vue
+++ b/src/views/finance/purchasingrequisition/implement.vue
@@ -27,7 +27,7 @@
           </el-table-column>
         </el-table>
       </div>
-      <div class="mb-2">不满意可继续上传新版本（保留原文件，格式 doc/docx/pdf，单文件不超过 5MB）：</div>
+      <div class="mb-2">可继续上传新版本（保留原文件，格式 doc/docx/pdf，单文件不超过 5MB）：</div>
       <upload-file
         v-model="implementFileIds"
         :limit="5"
@@ -36,9 +36,9 @@
         upload-file-url="/purchase/purchasingfiles/upload"
       />
 
-      <el-divider content-position="left">发起采购文件审批</el-divider>
-   
-
+      <!-- 仅部门审核角色显示：采购代表相关 -->
+      <template v-if="isDeptAuditRole">
+        <el-divider content-position="left">采购代表</el-divider>
         <div class="mb-2">需求部门初审需指定采购代表人，请选择一种方式：</div>
         <el-radio-group v-model="representorMode" class="mb-2">
           <el-radio label="single">指定采购代表人（单人）</el-radio>
@@ -54,13 +54,14 @@
             <el-option v-for="m in deptMembers" :key="m.userId || m.teacherNo || m.id" :label="m.realName || m.name || m.teacherNo" :value="m.userId || m.teacherNo || m.id" />
           </el-select>
         </el-form-item>
-    
+      </template>
+
     </div>
     <div class="implement-footer">
       <el-button @click="handleClose">取消</el-button>
       <template v-if="implementHasPurchaseFiles && !applyRow?.fileFlowInstId">
         <el-button type="primary" :loading="implementSubmitting" @click="handleImplementSubmit">保存实施采购</el-button>
-        <el-button type="success" :loading="startFileFlowSubmitting" @click="handleStartFileFlow">发起采购文件审批</el-button>
+        <el-button v-if="canStartFileFlow" type="success" :loading="startFileFlowSubmitting" @click="handleStartFileFlow">发起采购文件审批</el-button>
       </template>
       <template v-else>
         <el-button type="primary" :loading="implementSubmitting" @click="handleImplementSubmit">确定</el-button>
@@ -76,6 +77,18 @@ import { implementApply, getApplyFiles, startFileFlow, getDeptMembers, getObj }
 import { useMessage } from '/@/hooks/message'
 import other from '/@/utils/other'
 import UploadFile from '/@/components/Upload/index.vue'
+import { Session } from '/@/utils/storage'
+
+/** 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'
+/** 采购中心角色编码：可保存/发起实施采购，但不出现采购代表相关内容和接口 */
+const PURCHASE_CENTER_ROLE_CODE = 'PURCHASE_CENTER'
+
+const roleCode = computed(() => Session.getRoleCode() || '')
+const isDeptAuditRole = computed(() => roleCode.value === PURCHASE_DEPT_AUDIT_ROLE_CODE)
+const isPurchaseCenterRole = computed(() => roleCode.value === PURCHASE_CENTER_ROLE_CODE)
+/** 可发起采购文件审批：部门审核（需填采购代表）、采购中心（不填采购代表） */
+const canStartFileFlow = computed(() => isDeptAuditRole.value || isPurchaseCenterRole.value)
 
 // 与编辑界面一致：支持流程 dynamic-link 传入 currJob/currElTab，申请单 ID 优先取 currJob.orderId
 const props = defineProps({
@@ -153,13 +166,19 @@ const loadData = async () => {
     useMessage().warning('缺少申请单ID')
     return
   }
+  const needDeptMembers = isDeptAuditRole.value
   try {
     const idStr = applyIdRaw.value || String(id)
-    const [detailRes, filesRes, membersRes] = await Promise.all([
+    const requests: [ReturnType<typeof getObj>, ReturnType<typeof getApplyFiles>, ReturnType<typeof getDeptMembers>?] = [
       getObj(id),
-      getApplyFiles(idStr),
-      getDeptMembers()
-    ])
+      getApplyFiles(idStr)
+    ]
+    if (needDeptMembers) requests.push(getDeptMembers())
+    const results = await Promise.all(requests)
+    const detailRes = results[0]
+    const filesRes = results[1]
+    const membersRes = needDeptMembers ? results[2] : null
+
     applyRow.value = detailRes?.data ? { ...detailRes.data, id: detailRes.data.id ?? id } : { id }
     const row = applyRow.value
     if (row?.implementType) implementType.value = row.implementType
@@ -186,7 +205,7 @@ const loadData = async () => {
       createTime: f.createTime || f.create_time,
       remark: f.remark
     }))
-    deptMembers.value = membersRes?.data || []
+    deptMembers.value = needDeptMembers && membersRes?.data ? membersRes.data : []
   } catch (_) {
     applyRow.value = { id }
     purchaseFileVersions.value = []
@@ -220,8 +239,9 @@ const handleImplementSubmit = async () => {
     useMessage().warning('请至少上传一个采购文件')
     return
   }
-  const single = representorMode.value === 'single' ? representorTeacherNo.value : undefined
-  const multi = representorMode.value === 'multi' && representorsMulti.value?.length ? representorsMulti.value.join(',') : undefined
+  // 仅部门审核角色提交采购代表；采购中心保存时不传采购代表
+  const single = isDeptAuditRole.value && representorMode.value === 'single' ? representorTeacherNo.value : undefined
+  const multi = isDeptAuditRole.value && representorMode.value === 'multi' && representorsMulti.value?.length ? representorsMulti.value.join(',') : undefined
   implementSubmitting.value = true
   try {
     await implementApply(id, fileIds, implementType.value, single, multi)
@@ -240,21 +260,24 @@ const handleStartFileFlow = async () => {
   const row = applyRow.value
   const id = row?.id ?? applyId.value
   if (!id) return
-  if (representorMode.value === 'single') {
-    if (!representorTeacherNo.value) {
-      useMessage().warning('请选择采购代表人')
-      return
-    }
-  } else {
-    if (!representorsMulti.value?.length) {
-      useMessage().warning('请选择部门多人')
-      return
+  // 部门审核角色必须填写采购代表；采购中心不填采购代表
+  if (isDeptAuditRole.value) {
+    if (representorMode.value === 'single') {
+      if (!representorTeacherNo.value) {
+        useMessage().warning('请选择采购代表人')
+        return
+      }
+    } else {
+      if (!representorsMulti.value?.length) {
+        useMessage().warning('请选择部门多人')
+        return
+      }
     }
   }
   startFileFlowSubmitting.value = true
   try {
-    const single = representorMode.value === 'single' ? representorTeacherNo.value : undefined
-    const multi = representorMode.value === 'multi' ? representorsMulti.value.join(',') : undefined
+    const single = isDeptAuditRole.value && representorMode.value === 'single' ? representorTeacherNo.value : undefined
+    const multi = isDeptAuditRole.value && representorMode.value === 'multi' ? representorsMulti.value.join(',') : undefined
     await startFileFlow(id, single, multi)
     useMessage().success('已发起采购文件审批流程')
     postMessage('purchasingimplement:submitSuccess')