bug fix

src/view/Manage/AssetResourceManage/edit-assets.jsx

@@ -111,7 +111,7 @@ const FC = (props) => {
         <div className='edit-footer'>
           {
             action === 'edit' ? <Space>
-              <Button onClick={cancel}>取消</Button>
+              { (elementIds??[]).length>0 && <Button onClick={cancel}>取消</Button> }
               <Button 
                 type='primary' 
                 onClick={save}