diff --git a/src/views/purchase/purchasingrequisition/DocAuditViewDialog.vue b/src/views/purchase/purchasingrequisition/DocAuditViewDialog.vue
index ee999fb..293b570 100644
--- a/src/views/purchase/purchasingrequisition/DocAuditViewDialog.vue
+++ b/src/views/purchase/purchasingrequisition/DocAuditViewDialog.vue
@@ -52,10 +52,9 @@
 						<el-table-column prop="uploadUserName" label="上传人" width="100" />
 						<el-table-column prop="createTime" label="上传时间" width="150" />
 						<el-table-column prop="comment" label="批注" width="150" show-overflow-tooltip />
-						<el-table-column label="操作" width="120" align="center" fixed="right">
+						<el-table-column label="操作" width="80" align="center" fixed="right">
 							<template #default="scope">
-								<el-button type="primary" link size="small" icon="View" @click="handlePreview(scope.row)">预览</el-button>
-								<el-button type="success" link size="small" icon="Download" @click="handleDownload(scope.row)">下载</el-button>
+								<el-button type="primary" link size="small" icon="Download" @click="handleDownload(scope.row)">下载</el-button>
 							</template>
 						</el-table-column>
 					</el-table>
@@ -81,12 +80,6 @@
 		<template #footer>
 			<el-button @click="visible = false">关闭</el-button>
 		</template>
-
-		<el-dialog v-model="previewVisible" :title="previewTitle" width="80%" top="5vh" destroy-on-close append-to-body>
-			<div class="preview-container">
-				<iframe v-if="previewUrl" :src="previewUrl" class="preview-iframe" />
-			</div>
-		</el-dialog>
 	</el-dialog>
 </template>
 
@@ -94,8 +87,9 @@
 import { ref, computed } from 'vue';
 import { DocumentChecked } from '@element-plus/icons-vue';
 import { useMessage } from '/@/hooks/message';
-import { getObj, getDocList, previewFileById, downloadFileById } from '/@/api/purchase/purchasingrequisition';
+import { getObj, getDocList } from '/@/api/purchase/purchasingrequisition';
 import { getFlowPurchaseDetail } from '/@/api/purchase/bidfile';
+import other from '/@/utils/other';
 
 const FlowCommentTimeline = defineAsyncComponent(() => import('/@/views/jsonflow/comment/timeline.vue'));
 
@@ -114,9 +108,6 @@ const visible = ref(false);
 const applyId = ref('');
 const applyData = ref<any>({});
 const docList = ref<DocItem[]>([]);
-const previewVisible = ref(false);
-const previewTitle = ref('');
-const previewUrl = ref('');
 
 const fileFlowJob = computed(() => {
 	if (!applyData.value.fileFlowInstId) return null;
@@ -154,7 +145,7 @@ const open = async (id: string, row?: any) => {
 			const docs = docsRes?.data || [];
 			if (Array.isArray(docs) && docs.length > 0) {
 				docList.value = docs.map((d: any) => ({
-					id: d.id || d.fileId,
+					id: d.fileId, // 使用 fileId 关联 PurchasingFiles 表，用于下载
 					fileName: d.fileName || d.fileTitle || '招标文件',
 					fileUrl: d.fileUrl,
 					createTime: d.createTime,
@@ -170,41 +161,13 @@ const open = async (id: string, row?: any) => {
 	}
 };
 
-const handlePreview = async (row: DocItem) => {
+const handleDownload = (row: DocItem) => {
 	if (!row.id) {
 		useMessage().warning('文件ID不存在');
 		return;
 	}
-	try {
-		const blob = await previewFileById(row.id);
-		previewUrl.value = window.URL.createObjectURL(blob);
-		previewTitle.value = row.fileName || '文件预览';
-		previewVisible.value = true;
-	} catch (e) {
-		console.error('预览失败', e);
-		useMessage().error('预览失败');
-	}
-};
-
-const handleDownload = async (row: DocItem) => {
-	if (!row.id) {
-		useMessage().warning('文件ID不存在');
-		return;
-	}
-	try {
-		const blob = await downloadFileById(row.id);
-		const url = window.URL.createObjectURL(blob);
-		const link = document.createElement('a');
-		link.href = url;
-		link.download = row.fileName || '招标文件.pdf';
-		document.body.appendChild(link);
-		link.click();
-		document.body.removeChild(link);
-		window.URL.revokeObjectURL(url);
-	} catch (e) {
-		console.error('下载失败', e);
-		useMessage().error('下载失败');
-	}
+	const downloadUrl = '/purchase/purchasingfiles/downloadById?fileId=' + row.id;
+	other.downBlobFile(downloadUrl, {}, row.fileName || '招标文件');
 };
 
 const emit = defineEmits<{
@@ -249,17 +212,6 @@ defineExpose({
 	font-weight: 500;
 }
 
-.preview-container {
-	width: 100%;
-	height: 75vh;
-}
-
-.preview-iframe {
-	width: 100%;
-	height: 100%;
-	border: none;
-}
-
 :deep(.el-card__header) {
 	padding: 12px 16px;
 }