ThinkPHP5.0多个文件上传后找不到临时文件的修改方

if(!empty($_FILES)){
        if(!empty($_FILES['_positive'])){
          $_positive = request()->file('_positive');
          if($_positive){
            $info = $_positive->move(ROOT_PATH . 'uploads');
            $positive_path="/uploads/".$info->getSaveName();
          }else{
            $positive_path="";
          }
        }
        if(!empty($_FILES['_reverse'])){
          $_reverse = request()->file('_reverse');
          if($_reverse){
            $info1=$_reverse->move(ROOT_PATH . 'uploads');
            $reverse_path="/uploads/".$info1->getSaveName();
          }else{
            $reverse_path="";
          }
        }
        if(!empty($_FILES['_license'])){
          $_license = request()->file('_license');
          if($_license){
            $info2=$_license->move(ROOT_PATH . 'uploads');
            $license_path="/uploads/".$info2->getSaveName();
          }else{
            $license_path="";
          }
        }
      }

 if(!empty($_FILES)){
        if(!empty($_FILES['_positive'])){
          $_positive = request()->file('_positive');
        }
        if(!empty($_FILES['_reverse'])){
          $_reverse = request()->file('_reverse');
        }
        if(!empty($_FILES['_license'])){
          $_license = request()->file('_license');
        }
        if($_positive){
          $info = $_positive->move(ROOT_PATH . 'uploads');
          $positive_path="/uploads/".$info->getSaveName();
        }else{
          $positive_path="";
        }
        if($_reverse){
          $info1=$_reverse->move(ROOT_PATH . 'uploads');
          $reverse_path="/uploads/".$info1->getSaveName();
        }else{
          $reverse_path="";
        }
        if($_license){
          $info2=$_license->move(ROOT_PATH . 'uploads');
          $license_path="/uploads/".$info2->getSaveName();
        }else{
          $license_path="";
        }
      }