fix

common/components/activeRecordBehaviors/FileUploadBehavior.php

@@ -39,9 +39,9 @@ class FileUploadBehavior extends Behavior
 
     private function uploadFile()
     {
-        if(!file_exists($this->getAbsolutePath()))
+        if(!file_exists($this->getAbsolutePath() . $this->folder))
         {
-            mkdir($this->getAbsolutePath(), 0777, true);
+            mkdir($this->getAbsolutePath() . $this->folder, 0777, true);
         }
 
         $field = $this->field;