diff --git a/src/components/Upload/index.vue b/src/components/Upload/index.vue
index 09ff0e4..c778943 100644
--- a/src/components/Upload/index.vue
+++ b/src/components/Upload/index.vue
@@ -376,7 +376,19 @@ const handleRemove = (file: { name?: string; id?: string; url?: string }) => {
 };
 
 const handlePreview = (file: any) => {
-	other.downBlobFile(file.url, {}, file.name);
+	// 优先使用文件ID下载（采购附件使用 downloadById 接口）
+	if (file.id) {
+		// 判断是否是采购附件（通过 fileType 判断）
+		const downloadUrl = `/purchase/purchasingfiles/downloadById?fileId=${encodeURIComponent(file.id)}`;
+		other.downBlobFile(downloadUrl, {}, file.name || file.fileTitle || '文件');
+		return;
+	}
+	// 兼容旧的URL下载方式
+	if (file.url) {
+		other.downBlobFile(file.url, {}, file.name || file.fileTitle || '文件');
+		return;
+	}
+	useMessage().warning('无法获取文件下载信息');
 };
 
 // 添加 handleExceed 函数
diff --git a/src/flow/components/handle-job/handle.vue b/src/flow/components/handle-job/handle.vue
index cfe1c61..6061cd9 100644
--- a/src/flow/components/handle-job/handle.vue
+++ b/src/flow/components/handle-job/handle.vue
@@ -45,7 +45,7 @@
                               type="textarea" :placeholder="t('jfcomment.inputRemarkTip')">
                     </el-input>
                 </el-form-item>
-                <el-form-item :label="t('jfcomment.signName')">
+                <el-form-item :label="t('jfcomment.signName')" style="display: none">
                     <sign-name ref="signNameRef" :currJob="data.currJob"></sign-name>
                 </el-form-item>
                 <el-form-item>
diff --git a/src/views/finance/purchasingrequisition/add.vue b/src/views/finance/purchasingrequisition/add.vue
index 8482b4c..417ac8b 100644
--- a/src/views/finance/purchasingrequisition/add.vue
+++ b/src/views/finance/purchasingrequisition/add.vue
@@ -1313,13 +1313,20 @@ function formatImplementFileTime(t?: string) {
   return isNaN(d.getTime()) ? t : d.toLocaleString('zh-CN', { year: 'numeric', month: '2-digit', day: '2-digit', hour: '2-digit', minute: '2-digit' });
 }
 
-function downloadImplementFile(file: { remark?: string; fileTitle?: string }) {
-  if (!file?.remark) {
-    useMessage().warning('无法获取文件路径');
+function downloadImplementFile(file: { id?: string; remark?: string; fileTitle?: string }) {
+  // 优先使用文件ID下载
+  if (file?.id) {
+    const url = `/purchase/purchasingfiles/downloadById?fileId=${encodeURIComponent(file.id)}`;
+    other.downBlobFile(url, {}, file.fileTitle || '采购文件');
     return;
   }
-  const url = `/purchase/purchasingfiles/download?fileName=${encodeURIComponent(file.remark)}&fileTitle=${encodeURIComponent(file.fileTitle || '采购文件')}`;
-  other.downBlobFile(url, {}, file.fileTitle || '采购文件');
+  // 兼容旧数据：使用文件路径下载
+  if (file?.remark) {
+    const url = `/purchase/purchasingfiles/download?fileName=${encodeURIComponent(file.remark)}&fileTitle=${encodeURIComponent(file.fileTitle || '采购文件')}`;
+    other.downBlobFile(url, {}, file.fileTitle || '采购文件');
+    return;
+  }
+  useMessage().warning('无法获取文件信息');
 }
 
 /** 流程嵌入时提供给 orderVue.currElTabIsView 的 methods（只读/禁用提交） */