diff --git a/src/Torann/LaravelMetaTags/MetaTag.php b/src/Torann/LaravelMetaTags/MetaTag.php
index e0eb583..3322790 100644
--- a/src/Torann/LaravelMetaTags/MetaTag.php
+++ b/src/Torann/LaravelMetaTags/MetaTag.php
@@ -129,11 +129,15 @@ public function set($key, $value = null)
      */
     public function tag($key, $value = '')
     {
-        return $this->createTag([
-            'name' => $key,
-            'property' => $key,
-            'content' => $value ?: Arr::get($this->metas, $key, ''),
-        ]);
+        if(Arr::get($this->metas, $key) != null){
+            return $this->createTag([
+                'name' => $key,
+                'property' => $key,
+                'content' => $value ?: Arr::get($this->metas, $key, ''),
+            ]);
+        }
+        return null;
+
     }
 
     /**
@@ -315,6 +319,9 @@ private function cut($text, $key)
             }
         }
 
+        $replace  = array(';', '→', '[', ']', '(', ')', '|', '"');
+        $text = str_replace($replace, '', $text);
+        
         $length = strlen($text);
 
         if ($length <= (int) $limit) {
@@ -327,7 +334,7 @@ private function cut($text, $key)
             $text = substr($text, 0, $space);
         }
 
-        return $text . '...';
+        return $text;
     }
 
     /**