update

application/Admin/Controller/UserauthController.class.php

@@ -89,7 +89,7 @@ class UserauthController extends AdminbaseController
                 $process = date("Y-m-d H:i:s",$v['uptime']);
             }
             $xlsData[$k]['process'] = $process;
-            printf($xlsData[$k]);
+            print_r($xlsData[$k]);
             die;
         }