diff --git a/src/components/file/list.vue b/src/components/file/list.vue
index 0357dd4..a1f76b2 100644
--- a/src/components/file/list.vue
+++ b/src/components/file/list.vue
@@ -231,6 +231,7 @@ import "@vue-office/docx/lib/index.css";
 import "@vue-office/excel/lib/index.css";
 import VueOfficeDocx from "@vue-office/docx";
 import VueOfficeExcel from "@vue-office/excel";
+import {ElMessage} from "element-plus";
 
 const props = defineProps({
   files: {
@@ -257,9 +258,43 @@ let initialY = 0;
 const fileRrror = ref(false);
 const tableDatas = ref([])
 function filePreview(file) {
+  if (!file?.filePath) {
+    ElMessage?.warning?.('文件路径不存在，无法下载')
+    return
+  }
+  const url = `${BASE_PATH}/file/stream/${file.filePath}`
+  const type = getFileType(file.fileName)
+  // 1. PDF：新窗口打开
+  if (type === FileType.PDF) {
+    window.open(url, '_blank')
+    return
+  }
+// 2. Word / Excel：直接下载（不打开窗口）
+  if (
+      type === FileType.WORD ||
+      type === FileType.EXCEL
+  ) {
+    const a = document.createElement('a')
+    a.href = url
+    a.download = file.fileName || ''
+    document.body.appendChild(a)
+    a.click()
+    document.body.removeChild(a)
+    return
+  }
 
-  preview.value = true;
+  // 3. 其他类型：默认直接下载
+  const a = document.createElement('a')
+  a.href = url
+  a.download = file.fileName || ''
+  document.body.appendChild(a)
+  a.click()
+  document.body.removeChild(a)
+
+  activeIndex.value = index;
   activeFile.value = file;
+  console.log(activeFile.value)
+  preview.value = true;
   rotate.value = 0;
   scale.value = 1;
   translateX.value = 0;
diff --git a/src/components/file/upload.vue b/src/components/file/upload.vue
index e2a157f..b365db7 100644
--- a/src/components/file/upload.vue
+++ b/src/components/file/upload.vue
@@ -73,6 +73,16 @@ watch(files, () => {
 },{immediate:true});
 
 function beforeUpload(file) {
+  const allowExt = ['doc', 'docx', 'pdf', 'xls', 'xlsx']
+  const name = (file?.name || '').toLowerCase()
+  const ext = name.includes('.') ? name.split('.').pop() : ''
+
+  if (!allowExt.includes(ext)) {
+    feedback.msgWarning(
+        '只能上传 Word / PDF / Excel 文件（.doc .docx .pdf .xls .xlsx）'
+    )
+    return false
+  }
   // 文件大小限制 1024 * 1024 * 100 （100MB）
   if (file.size >= 104857600) {
     feedback.msgError('文件大小不能超过100MB');