diff --git a/web/src/api/service.js b/web/src/api/service.js
index 52bc404..a23f75c 100644
--- a/web/src/api/service.js
+++ b/web/src/api/service.js
@@ -224,7 +224,7 @@ export const downloadFile = function ({ url, params, method, filename }) {
     responseType: 'blob'
     // headers: {Accept: 'application/vnd.openxmlformats-officedocument'}
   }).then(res => {
-    const fileName = window.decodeURI((filename === undefined ? false : filename + '.xls') || decodeURI(res.headers['content-disposition']).split('=')[1]) || '文件导出.xls'
+    const fileName = window.decodeURI((filename === undefined ? false : filename + '.xls') || res.headers['content-disposition'].split('=')[1]) || '文件导出.xls'
     if (res) {
       const blob = new Blob([res.data], { type: 'charset=utf-8' })
       const elink = document.createElement('a')