edit

lib/Store/Core.php

@@ -274,7 +274,7 @@ class Core
 				$this->limit = array($this->data['param']['param_w'], $this->data['param']['param_h']);
 				if (isset($this->data['name'])) {
 					$param = implode('_', array_values($this->data['param']));
-					$this->data['file']['name'] = '.' . $this->data['name'] . $param;
+					$this->data['file']['name'] .= '.' . $this->data['name'] . $param;
 					
 					$temp = explode('/', $this->data['file']['name']);
 					$count = count($temp) - 1;