diff --git a/src/views/purchase/purchasingrequisition/UpdateFilesDialog.vue b/src/views/purchase/purchasingrequisition/UpdateFilesDialog.vue
new file mode 100644
index 0000000..61e4934
--- /dev/null
+++ b/src/views/purchase/purchasingrequisition/UpdateFilesDialog.vue
@@ -0,0 +1,181 @@
+<template>
+  <el-dialog
+    v-model="visible"
+    title="更新材料"
+    width="900px"
+    destroy-on-close
+    append-to-body
+    :close-on-click-modal="false"
+  >
+    <template #header>
+      <div class="dialog-header">
+        <span class="dialog-title">
+          <el-icon><Upload /></el-icon>
+          更新材料 - {{ purchaseNo || purchaseId }}
+        </span>
+      </div>
+    </template>
+
+    <el-alert
+      title="仅支持上传PDF格式文件，上传新文件将替换原有同类型文件"
+      type="info"
+      :closable="false"
+      style="margin-bottom: 16px"
+    />
+
+    <el-form label-width="120px">
+      <el-form-item label="采购编号">
+        <el-input v-model="purchaseNo" disabled />
+      </el-form-item>
+
+      <el-form-item
+        v-for="item in fileTypeList"
+        :key="item.value"
+        :label="item.label"
+      >
+        <upload-file
+          v-model="fileMap[item.value]"
+          :limit="5"
+          :file-type="['pdf']"
+          :data="{ fileType: item.value, purchaseId: purchaseId }"
+          upload-file-url="/purchase/purchasingfiles/upload"
+          @success="(res) => handleUploadSuccess(res, item.value)"
+        />
+        <div class="file-tips">{{ item.desc }}</div>
+      </el-form-item>
+    </el-form>
+
+    <template #footer>
+      <el-button @click="visible = false">取消</el-button>
+      <el-button type="primary" :loading="submitting" @click="handleSubmit">
+        确认更新
+      </el-button>
+    </template>
+  </el-dialog>
+</template>
+
+<script setup lang="ts">
+import { ref, reactive } from 'vue'
+import { Upload } from '@element-plus/icons-vue'
+import { useMessage } from '/@/hooks/message'
+import { updateFiles } from '/@/api/purchase/purchasingrequisition'
+
+interface FileItem {
+  id: string
+  name: string
+  url: string
+}
+
+interface FileTypeItem {
+  value: string
+  label: string
+  desc: string
+}
+
+const visible = ref(false)
+const submitting = ref(false)
+const purchaseId = ref('')
+const purchaseNo = ref('')
+
+const fileMap = reactive<Record<string, FileItem[]>>({})
+
+const fileTypeList: FileTypeItem[] = [
+  { value: '10', label: '商务洽谈纪要', desc: '商务洽谈相关纪要文件' },
+  { value: '20', label: '市场采购纪要', desc: '市场采购相关纪要文件' },
+  { value: '30', label: '网上商城采购材料', desc: '网上商城采购相关材料' },
+  { value: '40', label: '可行性论证报告', desc: '项目可行性论证报告' },
+  { value: '50', label: '会议记录', desc: '相关会议记录文件' },
+  { value: '60', label: '其他材料', desc: '其他相关材料' },
+  { value: '70', label: '单一来源专家论证表', desc: '单一来源采购专家论证表' },
+  { value: '80', label: '进口产品申请表', desc: '进口产品申请相关表格' },
+  { value: '90', label: '进口产品专家论证表', desc: '进口产品专家论证表' },
+  { value: '100', label: '政府采购意向表', desc: '政府采购意向公示表' },
+  { value: '110', label: '履约验收单', desc: '履约验收相关单据' },
+  { value: '120', label: '采购需求表', desc: '采购需求明细表' },
+]
+
+const open = (id: string, no?: string) => {
+  purchaseId.value = id || ''
+  purchaseNo.value = no || ''
+  visible.value = true
+  // 清空文件列表
+  fileTypeList.forEach((item) => {
+    fileMap[item.value] = []
+  })
+}
+
+const handleUploadSuccess = (res: any, fileType: string) => {
+  if (res && res.data) {
+    useMessage().success('上传成功')
+  }
+}
+
+const handleSubmit = async () => {
+  if (!purchaseId.value) {
+    useMessage().warning('无法获取采购申请ID')
+    return
+  }
+
+  // 收集所有上传的文件ID
+  const allFileIds: string[] = []
+  fileTypeList.forEach((item) => {
+    const files = fileMap[item.value] || []
+    files.forEach((file) => {
+      if (file.id) {
+        allFileIds.push(file.id)
+      }
+    })
+  })
+
+  if (allFileIds.length === 0) {
+    useMessage().warning('请至少上传一个文件')
+    return
+  }
+
+  submitting.value = true
+  try {
+    await updateFiles({
+      purchaseId: purchaseId.value,
+      fileIds: allFileIds,
+    })
+    useMessage().success('更新材料成功')
+    visible.value = false
+    emit('refresh')
+  } catch (err: any) {
+    useMessage().error(err?.msg || '更新材料失败')
+  } finally {
+    submitting.value = false
+  }
+}
+
+const emit = defineEmits<{
+  (e: 'refresh'): void
+}>()
+
+defineExpose({
+  open,
+})
+</script>
+
+<style scoped lang="scss">
+.dialog-header {
+  display: flex;
+  align-items: center;
+  justify-content: space-between;
+  width: 100%;
+}
+
+.dialog-title {
+  display: flex;
+  align-items: center;
+  gap: 8px;
+  font-size: 16px;
+  font-weight: 500;
+}
+
+.file-tips {
+  font-size: 12px;
+  color: #909399;
+  margin-top: 4px;
+}
+</style>