diff --git a/src/forge/Head/Header.js b/src/forge/Head/Header.js
index 503dc3936..e39fa5743 100644
--- a/src/forge/Head/Header.js
+++ b/src/forge/Head/Header.js
@@ -434,7 +434,7 @@ class NewHeader extends Component {
                     
                     var waiLian = (new_link && str.filter(item=>new_link.indexOf(item)>-1) );
                     var wl = waiLian && waiLian.length>0;
-                    if(new_link.indexof("http")<0){
+                    if(new_link.indexOf("http")<0){
                       new_link = settings.new_course.default_url + new_link
                     }
                     return (