public function unlike()
 {
     $likeKey = $this->getLikeKey();
     $likeCount = $this->likes_count();
     if (!$this->isLiked()) {
         return false;
     }
     if (Auth::check()) {
         $isLiked = $this->user_counters()->where('user_id', Auth::user()->id)->where('action', 'like')->delete();
     } else {
         session([$likeKey => null]);
     }
     $res = Cache::decrement($this->cacheLikeName, 1);
     return true;
 }