diff --git a/apps/oss/serializers/file.py b/apps/oss/serializers/file.py
index b9cbe218b..63406a02c 100644
--- a/apps/oss/serializers/file.py
+++ b/apps/oss/serializers/file.py
@@ -50,6 +50,7 @@ mime_types = {
     "webm": "video/webm", "flv": "video/x-flv", "m4v": "video/x-m4v", "mng": "video/x-mng",
     "asx": "video/x-ms-asf", "asf": "video/x-ms-asf", "wmv": "video/x-ms-wmv", "avi": "video/x-msvideo",
     "wav": "audio/wav", "flac": "audio/flac", "aac": "audio/aac", "opus": "audio/opus",
+    "csv": "text/csv", "tsv": "text/tab-separated-values", "ics": "text/calendar",
 }
 
 
diff --git a/ui/src/api/knowledge/document.ts b/ui/src/api/knowledge/document.ts
index 129b33a3e..806ffa0f9 100644
--- a/ui/src/api/knowledge/document.ts
+++ b/ui/src/api/knowledge/document.ts
@@ -136,11 +136,12 @@ const putCancelTask: (
  * 下载原文档
  * @param 参数 knowledge_id
  */
-const getDownloadSourceFile: (knowledge_id: string, document_id: string) => Promise<Result<any>> = (
+const getDownloadSourceFile: (knowledge_id: string, document_id: string, document_name: string) => Promise<Result<any>> = (
   knowledge_id,
   document_id,
+  document_name,
 ) => {
-  return get(`${prefix.value}/${knowledge_id}/document/${document_id}/download_source_file`)
+  return exportFile(document_name, `${prefix.value}/${knowledge_id}/document/${document_id}/download_source_file`, {}, undefined)
 }
 
 /**
diff --git a/ui/src/views/document/index.vue b/ui/src/views/document/index.vue
index d70d717d5..c080fce51 100644
--- a/ui/src/views/document/index.vue
+++ b/ui/src/views/document/index.vue
@@ -944,7 +944,7 @@ function batchRefresh() {
 
 function downloadDocument(row: any) {
   loadSharedApi({ type: 'document', systemType: apiType.value })
-    .getDownloadSourceFile(id, row.id)
+    .getDownloadSourceFile(id, row.id, row.name)
     .then(() => {
       getList()
     })