diff --git a/src/Console/Commands/CacheGarbageCollectorCommand.php b/src/Console/Commands/CacheGarbageCollectorCommand.php
index 119ab35..b267e57 100755
--- a/src/Console/Commands/CacheGarbageCollectorCommand.php
+++ b/src/Console/Commands/CacheGarbageCollectorCommand.php
@@ -4,6 +4,7 @@ namespace Meoran\Images\Console\Commands;
 
 use FilesystemIterator;
 use Illuminate\Console\Command;
+use Illuminate\Filesystem\Filesystem;
 use RecursiveDirectoryIterator;
 use RecursiveIteratorIterator;
 
@@ -39,8 +40,13 @@ class CacheGarbageCollectorCommand extends Command
      */
     public function handle()
     {
-        $path = storage_path('image.path');
-        $files = new RecursiveIteratorIterator(new RecursiveDirectoryIterator($path, FilesystemIterator::SKIP_DOTS));
+        $base = config('image.cache.path');
+        if (empty($base)) {
+            $this->line("Le cache n'est pas configuré. End...");
+            return;
+        }
+        $fs = new Filesystem();
+        $files = collect($fs->allFiles($base));
 
         /**
          * @var \SplFileInfo $b
diff --git a/src/Console/Commands/RemoveUselessPicturesCommand.php b/src/Console/Commands/RemoveUselessPicturesCommand.php
index 305680c..3cd4532 100755
--- a/src/Console/Commands/RemoveUselessPicturesCommand.php
+++ b/src/Console/Commands/RemoveUselessPicturesCommand.php
@@ -44,24 +44,32 @@ class RemoveUselessPicturesCommand extends Command
     private function removeNonExistentPictures()
     {
         $base = config('image.path');
-
-        $it = new FilesystemIterator($base);
+        if (empty($base)) {
+            throw new \Exception("Config image.path must be defined");
+        }
 
         $fs = new Filesystem();
-        $files = $fs->allFiles($base);
+        $files = collect($fs->allFiles($base));
+        $filenames = $files->filter(function ($el) {
+            $mime = mime_content_type($el->getPathName());
+            if (strpos($mime, 'image/') === false) {
+                return false;
+            }
+            return true;
+        })->map(function ($el) {
+            return $el->getFilename();
+        });
 
-        var_dump($files);
-        exit;
         /**
          * Suppression des images qui n'existent pas physiquement
          */
-        $linesToDelete = Image::whereNotIn('filename', $files)->get();
+        $linesToDelete = Image::whereNotIn('filename', $filenames)->get();
         $delete = 0;
         foreach ($linesToDelete as $lineToDelete) {
             $lineToDelete->delete();
             $delete++;
         }
-        $this->info("Images supprimées en base : ".$delete);
+        $this->info("Images supprimées en base : " . $delete);
 
         /**
          * Suppression des images qui ne sont pas en base
@@ -76,32 +84,8 @@ class RemoveUselessPicturesCommand extends Command
                 $delete++;
             }
         }
-        $this->info("Images supprimées physiquement : ".$delete);
+        $this->info("Images supprimées physiquement : " . $delete);
 
     }
 
-    /**
-     * Suppression des images qui existent physiquement et en base mais qui ne sont pas utilisées
-     */
-    private function removeNotUsedPictures()
-    {
-        $base = config('picturesPath');
-
-        $pictures = Image::whereDoesntHave('section', function ($query) {
-            $query->withTrashed();
-        })->whereDoesntHave('news', function ($query) {
-            $query->withTrashed();
-        })->whereDoesntHave('pages', function ($query) {
-            $query->withTrashed();
-        })->get();
-        $delete = 0;
-        foreach ($pictures as $picture) {
-            if (is_file($base . $picture->filename)) {
-                unlink($base . $picture->filename);
-            }
-            $picture->delete();
-            $delete++;
-        }
-        $this->info("Images supprimées car non utilisées : ".$delete);
-    }
 }
diff --git a/src/Model/Image.php b/src/Model/Image.php
index d564cc3..d110c6c 100755
--- a/src/Model/Image.php
+++ b/src/Model/Image.php
@@ -4,7 +4,6 @@ namespace Meoran\Images\Model;
 
 use Illuminate\Database\Eloquent\Model;
 use Illuminate\Database\Eloquent\Relations\MorphToMany;
-use Illuminate\Database\Query\Builder;
 use Intervention\Image\Exception\NotReadableException;
 use Intervention\Image\Image as InterventionImage;
 use Meoran\Images\Exception\InvalidContent;
@@ -81,10 +80,10 @@ class Image extends Model
     static function getAbsolutePath($filename)
     {
         $basePath = config('image.path');
-
+        if (empty($basePath)) {
+            throw new \Exception('You must defined config image.path');
+        }
         $parts = array_slice(str_split(mb_strtolower(str_slug($filename, '')), 2), 0, 2);
-
-
         $path = $basePath . '/' . implode('/', $parts) . '/' . $filename;
 
         return $path;
@@ -126,24 +125,33 @@ class Image extends Model
     public function setContentAttribute($content)
     {
         $this->_content = app('image')->make($content);
-        $this->setHash();
     }
 
     public function getHashAttribute()
     {
-        if (!array_key_exists('hash', $this->attributes)) {
-            $this->setHash();
+        if (empty($this->content)) {
+            return null;
         }
-        return $this->attributes['hash'];
+        if (empty($this->content->getEncoded())) {
+            $this->content->encode();
+        }
+        return sha1($this->content->getEncoded());
     }
 
-    protected function setHash()
+    public function getExtensionAttribute()
     {
-        if (empty($this->content)) {
-            $this->attributes['hash'] = null;
-            return;
+        $mime = $this->content->mime();
+        if (empty($mime)) {
+            return null;
         }
-        $this->attributes['hash'] = sha1($this->content->getEncoded());
+        return str_replace('image/', '', $mime);
+    }
+
+    public function getMimeAttribute() {
+        if (empty($this->content)) {
+            return null;
+        }
+        return $this->content->mime();
     }
 
     public function same(Image $image)
@@ -230,7 +238,4 @@ class Image extends Model
         return $attributes;
     }
 
-    public function scopeContent(Builder $builder, Image $image) {
-        $builder->where('hash', $image->hash);
-    }
 }
diff --git a/src/Providers/ImagesServiceProvider.php b/src/Providers/ImagesServiceProvider.php
index 7f60f0e..8471d38 100755
--- a/src/Providers/ImagesServiceProvider.php
+++ b/src/Providers/ImagesServiceProvider.php
@@ -20,7 +20,7 @@ class ImagesServiceProvider extends ServiceProvider
         require_once __DIR__ . '/../functions.php';
 
         $this->loadMigrationsFrom(__DIR__ . '/../../database/migrations');
-        $this->mergeConfigFrom(__DIR__ . '/../../config/image.php', 'images');
+        $this->mergeConfigFrom(__DIR__ . '/../../config/image.php', 'image');
 
 
         $this->app->register(ImageServiceProvider::class);
@@ -34,8 +34,8 @@ class ImagesServiceProvider extends ServiceProvider
             ]);
 
             $this->commands([
-//                CacheGarbageCollectorCommand::class,
-//                RemoveUselessPicturesCommand::class,
+                CacheGarbageCollectorCommand::class,
+                RemoveUselessPicturesCommand::class,
             ]);
         }
     }