调整

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