페이지를 수정했는데 이미지를 수정하지 않는 문제가 발생한 사람이 있습니까? 제출 후 이미지가 사라졌습니다.

Question

공개 함수 edit(){
$Article=D('Article');
$Article=$Article->find(I('id'));
$this->sign('Article',$ Articler); ['Cateid'] = i ('Cateid')
IF ($ _ Files ['PIC'] ['TMP_NAME']! = '') $ 업로드 = new Thinkupload (); // $upload->maxSize =3145728 ;//첨부파일 업로드 크기 설정
                                                                                    upload->rootPath ='./'; // 첨부 파일 업로드를 위한 루트 디렉터리를 설정합니다
                                                                                     $upload-> ;uploadOne($_FILES['pic']);
                                                                                                                                        
                    }else{// 성공적으로 업로드되었습니다
                    $date['pic']=$info['savepath'].$info['savename'];
              }
                 
            }else{

           }
            if($Article->create($date)){
if($Article->save()){
                $this->success("修改文章成功！",U('lst'),3);
            }else{
                $this->error('修改文章失败!','',3);
            }
            }else{
               $this->error($Article->getError());

           }
            반품;
        }
        $cateres=D( 'cate')->select();
        $this->할당('cateres',$cateres);
        $this->display();
    }  

<tr>
                              <th><i class="require-red">*</i>缩略图：</th>
                              <td>
                                  <if Condition="$Articler ['pic'] neq ''>
                                 <img src="__ROOT__{$Articler.pic}" height="50">
                                < ;else/>
                                   无缩略图
                                </if>                                    ㅋㅋㅋ
                           </tr>