diff --git a/src/api/generatedApi/index.js b/src/api/generatedApi/index.js
index 20b9a80..468752e 100644
--- a/src/api/generatedApi/index.js
+++ b/src/api/generatedApi/index.js
@@ -486,3 +486,7 @@ export function relatedApps(data) {
     params: data
   })
 }
+// 下载知识原文件
+export function downloadOriginalFile(data) {
+  return getUrl(`/datasetDocumentEx/download/original_file?documentId=` + data)
+}
diff --git a/src/views/knowledge/detail/index.vue b/src/views/knowledge/detail/index.vue
index ca81619..006a873 100644
--- a/src/views/knowledge/detail/index.vue
+++ b/src/views/knowledge/detail/index.vue
@@ -265,6 +265,7 @@ import {
   datasetQuerySegments,
   datasetsExPages,
   datasetUpdate,
+  downloadOriginalFile,
   getDatasetById,
   relatedApps
 } from '@/api/generatedApi'
@@ -536,6 +537,11 @@ export default {
           console.error('获取文档详情失败', err)
         })
     },
+    // 下载原文件
+    handleDownload(row) {
+      let documentId = row.id
+      window.open(downloadOriginalFile(documentId))
+    },
 
     // 提取规则文本（处理可能是JSON字符串的情况）
     extractRuleText(rule) {
@@ -791,6 +797,22 @@ export default {
                 }
                 // '标注元数据'
               ),
+              h(
+                'el-button',
+                {
+                  class: 'floatSpan',
+                  props: {
+                    type: 'primary',
+                    size: 'mini',
+                    icon: 'el-icon-download',
+                    title: '下载原文件'
+                  },
+                  on: {
+                    click: () => this.handleDownload(params.row)
+                  }
+                }
+                // '标注元数据'
+              ),
               params.row.optStatus < 4
                 ? h(
                     'el-button',