diff --git a/src/components/previewFile/index.vue b/src/components/previewFile/index.vue
index 72215af..5b93fb7 100644
--- a/src/components/previewFile/index.vue
+++ b/src/components/previewFile/index.vue
@@ -41,7 +41,7 @@ const handleFileType = (type:string) => {
     </div>
     </template>
     <!-- Word 预览 -->
-    <template v-if="handleFileType(previewFile?.file_type) === 'word'">
+    <template v-else-if="handleFileType(previewFile?.file_type) === 'word'">
     <VueOfficeDocx :src="previewFile?.file_url" class="w-full items-center" />
     </template>
     <!-- Excel 预览 -->
@@ -49,15 +49,21 @@ const handleFileType = (type:string) => {
     <VueOfficeExcel :src="previewFile?.file_url" class="w-full items-center" />
     </template>
     <!-- Ppt 预览 -->
-    <template v-if="handleFileType(previewFile?.file_type) === 'ppt'">
+    <template v-else-if="handleFileType(previewFile?.file_type) === 'ppt'">
     <VueOfficePptx :src="previewFile?.file_url" class="w-full items-center" />
     </template>
     <!-- PDF 预览 -->
-    <template v-if="handleFileType(previewFile?.file_type) === 'pdf'">
+    <template v-else-if="handleFileType(previewFile?.file_type) === 'pdf'">
     <div class="h-[68vh]">
         <PDF :src="previewFile?.file_url" class="w-full h-full items-center" />
     </div>
     </template>
+    <!-- 其他类型文件预览 -->
+    <template v-else>
+    <div class="flex items-center justify-center py-2">
+        <p>暂不支持预览该文件类型</p>
+    </div>
+    </template>
 </div>
 </template>
 
diff --git a/src/views/details/approval/index.vue b/src/views/details/approval/index.vue
index 9a36376..2b5e0c4 100644
--- a/src/views/details/approval/index.vue
+++ b/src/views/details/approval/index.vue
@@ -256,21 +256,21 @@ const back = () => {
 
 // 导出
 const exportFile = (type: string) => {
-    window.$message?.info('还差接口')
-    if(type === 'change'){
-        window.$message?.success('导出变更申请表成功');
-    }
-    if(type === 'risk'){
-        window.$message?.success('导出风险检查行动项表成功');
-    }
+    window.$message?.info('差接口')
+    // if(type === 'change'){
+    //     window.$message?.success('导出变更申请表成功');
+    // }
+    // if(type === 'risk'){
+    //     window.$message?.success('导出风险检查行动项表成功');
+    // }
 };
 
 // 变更附带资料下载/一键下载
-const downloadFile = (file:any,type: string) => {
-    if(type === 'all'){
-        window.$message?.info('还差接口')
-    }else{
+const downloadFile = (file:any) => {
+    if(file){
         downloadFileFun(file?.file_url, file?.doc_name || file?.file_name);
+    }else{
+        window.$message?.info('差接口')
     }
 };
 // 变更附带资料预览
@@ -553,7 +553,7 @@ onMounted(() => {
                         class="rounded-sm bg-[var(--theme-color)] px-3 py-1 text-xs font-semibold text-white"
                         :style="{'--theme-color': themeStore.themeColor}"
                     >变更附带资料</p>
-                    <NButton ghost size="small" class="text-xs" @click="downloadFile(null,'all')"><Icon icon="material-symbols:download" class="size-16px" />一键下载</NButton>
+                    <NButton ghost size="small" class="text-xs" @click="downloadFile(null)"><Icon icon="material-symbols:download" class="size-16px" />一键下载</NButton>
                 </div>
                 <NTable size="small">
                     <thead>
@@ -580,7 +580,7 @@ onMounted(() => {
                         <td>
                             <div class="flex items-center justify-center gap-2">
                                 <NButton text type="primary" class="text-xs" @click="openPreview(doc)">预览</NButton>
-                                <NButton text type="primary" class="text-xs" @click="downloadFile(doc,'single')">下载</NButton>
+                                <NButton text type="primary" class="text-xs" @click="downloadFile(doc)">下载</NButton>
                             </div>
                         </td>
                     </tr>
diff --git a/src/views/details/disposal/index.vue b/src/views/details/disposal/index.vue
index 7d09ea2..0bbd51a 100644
--- a/src/views/details/disposal/index.vue
+++ b/src/views/details/disposal/index.vue
@@ -4,7 +4,7 @@ import { Icon } from '@iconify/vue'
 import { useThemeStore } from '@/store/modules/theme';
 import { useRouterPush } from '@/hooks/common/router';
 import { useRoute } from 'vue-router';
-import { getColorWithOpacity, tagTextColor, tagBgColor, tagBorderColor, formatTimestamp } from '@/utils/common';
+import { getColorWithOpacity, tagTextColor, tagBgColor, tagBorderColor, formatTimestamp, downloadFileFun } from '@/utils/common';
 import { AiError, aiTypeJudge } from "@/service/api/ai";
 import { systemConfigApi } from '@/service/api/system';
 import { getChangeDetailApi, urgeApi } from '@/service/api/change';
@@ -200,22 +200,21 @@ const back = () => {
 
 // 导出
 const exportFile = (type: string) => {
-    window.$message?.info('还差接口')
-    if(type === 'change'){
-        window.$message?.success('导出变更申请表成功');
-    }
-    if(type === 'risk'){
-        window.$message?.success('导出风险检查行动项表成功');
-    }
+    window.$message?.info('差接口')
+    // if(type === 'change'){
+    //     window.$message?.success('导出变更申请表成功');
+    // }
+    // if(type === 'risk'){
+    //     window.$message?.success('导出风险检查行动项表成功');
+    // }
 };
 
 // 变更附带资料下载/一键下载
-const downloadFile = (type: string) => {
-    window.$message?.info('还差接口')
-    if(type === 'all'){
-        window.$message?.success('打包下载全部附件');
+const downloadFile = (file: any) => {
+    if(file){
+        downloadFileFun(file?.file_url, file?.doc_name || file?.file_name);
     }else{
-        window.$message?.success('下载当前附件成功');
+        window.$message?.info('差接口')
     }
 };
 // 变更附带资料预览
@@ -657,7 +656,7 @@ onMounted(async () => {
                             class="rounded-sm bg-[var(--theme-color)] px-3 py-1 text-xs font-semibold text-white"
                             :style="{'--theme-color': themeStore.themeColor}"
                         >变更附带资料</p>
-                        <NButton ghost size="small" class="text-xs" @click="downloadFile('all')"><Icon icon="material-symbols:download" class="size-16px" />一键下载</NButton>
+                        <NButton ghost size="small" class="text-xs" @click="downloadFile(null)"><Icon icon="material-symbols:download" class="size-16px" />一键下载</NButton>
                     </div>
                     <NTable size="small">
                         <thead>
@@ -684,7 +683,7 @@ onMounted(async () => {
                             <td>
                                 <div class="flex items-center justify-center gap-2">
                                     <NButton text type="primary" class="text-xs" @click="openPreview(doc)">预览</NButton>
-                                    <NButton text type="primary" class="text-xs" @click="downloadFile('single')">下载</NButton>
+                                    <NButton text type="primary" class="text-xs" @click="downloadFile(doc)">下载</NButton>
                                 </div>
                             </td>
                         </tr>
diff --git a/src/views/details/index/index.vue b/src/views/details/index/index.vue
index 857ebd4..ae433e2 100644
--- a/src/views/details/index/index.vue
+++ b/src/views/details/index/index.vue
@@ -171,21 +171,21 @@ const back = () => {
 
 // 导出
 const exportFile = (type: string) => {
-    window.$message?.info('还差接口')
-    if(type === 'change'){
-        window.$message?.success('导出变更申请表成功');
-    }
-    if(type === 'risk'){
-        window.$message?.success('导出风险检查行动项表成功');
-    }
+    window.$message?.info('差接口')
+    // if(type === 'change'){
+    //     window.$message?.success('导出变更申请表成功');
+    // }
+    // if(type === 'risk'){
+    //     window.$message?.success('导出风险检查行动项表成功');
+    // }
 };
 
 // 变更附带资料下载/一键下载
-const downloadFile = (file:any,type: string) => {
+const downloadFile = (file:any) => {
     if(file){
         downloadFileFun(file?.file_url, file?.doc_name || file?.file_name);
     }else{
-        window.$message?.info('还差接口')
+        window.$message?.info('差接口')
     }
 };
 // 变更附带资料预览
@@ -441,7 +441,7 @@ onMounted(() => {
                         class="rounded-sm bg-[var(--theme-color)] px-3 py-1 text-xs font-semibold text-white"
                         :style="{'--theme-color': themeStore.themeColor}"
                     >变更附带资料</p>
-                    <NButton ghost size="small" class="text-xs" @click="downloadFile(null,'all')"><Icon icon="material-symbols:download" class="size-16px" />一键下载</NButton>
+                    <NButton ghost size="small" class="text-xs" @click="downloadFile(null)"><Icon icon="material-symbols:download" class="size-16px" />一键下载</NButton>
                 </div>
                 <NTable size="small">
                     <thead>
@@ -468,7 +468,7 @@ onMounted(() => {
                         <td>
                             <div class="flex items-center justify-center gap-2">
                                 <NButton text type="primary" class="text-xs" @click="openPreview(doc)">预览</NButton>
-                                <NButton text type="primary" class="text-xs" @click="downloadFile(doc,'single')">下载</NButton>
+                                <NButton text type="primary" class="text-xs" @click="downloadFile(doc)">下载</NButton>
                             </div>
                         </td>
                     </tr>
diff --git a/src/views/my/initiateChange/modules/footer.vue b/src/views/my/initiateChange/modules/footer.vue
index 6104387..fc4a48b 100644
--- a/src/views/my/initiateChange/modules/footer.vue
+++ b/src/views/my/initiateChange/modules/footer.vue
@@ -101,7 +101,7 @@ const approvalChain = computed(() => {
 
 // 下载
 const download = async () => {
-
+    window.$message?.info('差接口');
 }
 // 重新生成：AI 调用逻辑由各标签页组件实现（按 type 分发），此处仅派发事件
 const regenerate = async () => {