fix

Home/Lib/Action/CronAction.class.php

@@ -15,6 +15,9 @@ class CronAction extends Action {
 			$res = scanTargetFile($dir, 'md5');
 			$files = explode(';', $res);
 			array_pop($files);
+			if(empty($files)){
+				sleep(1);
+			}
 			foreach ($files as $v) {
 				$path_parts = pathinfo($v);
 				//$start = time();