diff --git a/app/services/users_service.rb b/app/services/users_service.rb
index 6ab6d3f6..d60de29c 100644
--- a/app/services/users_service.rb
+++ b/app/services/users_service.rb
@@ -360,7 +360,7 @@ class UsersService
                 g = Gitlab.client
                 g.edit_user(@current_user.gid, :password => params[:new_password])
               rescue Exception => e
-                logger.error "change users password failed! ===> #{e}"
+                Rails.logger.error "change users password failed! ===> #{e}"
               end
             end
           end
diff --git a/app/views/libraries/_form.html.erb b/app/views/libraries/_form.html.erb
index e864f743..2e584ab4 100644
--- a/app/views/libraries/_form.html.erb
+++ b/app/views/libraries/_form.html.erb
@@ -66,7 +66,7 @@
     //你的lib目录的路径，我这边用JSP做测试的
     path: "/editormd/lib/",
     tex: true,
-    watch:false,
+    watch:true,
     toolbarIcons: function () {
       // Or return editormd.toolbarModes[name]; // full, simple, mini
       // Using "||" set icons align right.