diff --git a/behaviors/ImageBehave.php b/behaviors/ImageBehave.php
index 12acb29..1936f2f 100755
--- a/behaviors/ImageBehave.php
+++ b/behaviors/ImageBehave.php
@@ -51,7 +51,7 @@ public function attachImage($absolutePath, $isMain = false, $name = '')
 
         $pictureFileName =
             substr(md5(microtime(true) . $absolutePath), 4, 6)
-            . '.' .
+            . '.jpg' .
             pathinfo($absolutePath, PATHINFO_EXTENSION);
         $pictureSubDir = $this->getModule()->getModelSubDir($this->owner);
         $storePath = $this->getModule()->getStorePath($this->owner);
diff --git a/models/Image.php b/models/Image.php
index 2948333..ab41db6 100755
--- a/models/Image.php
+++ b/models/Image.php
@@ -52,7 +52,7 @@ public function getExtension(){
     public function getUrl($size = false){
         $urlSize = ($size) ? '_'.$size : '';
         $url = Url::toRoute([
-            '/'.$this->getPrimaryKey().'/images/image-by-item-and-alias',
+            '/'.$this->getModule()->id.'/images/image-by-item-and-alias',
             'item' => $this->modelName.$this->itemId,
             'dirtyAlias' =>  $this->urlAlias.$urlSize.'.'.$this->getExtension()
         ]);