diff --git a/web/html/xui/index.html b/web/html/xui/index.html
index a6df08d7..256a960b 100644
--- a/web/html/xui/index.html
+++ b/web/html/xui/index.html
@@ -298,7 +298,7 @@
         </a-form-item>
         <a-form-item style="float: right;">
           <a-button type="primary" icon="download"
-            :href="'data:application/text;charset=utf-8,' + encodeURIComponent(logModal.logs.join('\n'))" download="x-ui.log">
+            :href="'data:application/text;charset=utf-8,' + encodeURIComponent(logModal.logs?.join('\n'))" download="x-ui.log">
           </a-button>
         </a-form-item>
       </a-form>