问题反馈按钮调整

src/components/Qrcode.js

@@ -248,12 +248,13 @@ class Qrcode extends React.Component {
                             <a href="https://www.yuque.com/qrbtf/docs" rel="noopener noreferrer" target="_blank">
                                 <button className="dl-btn">使用手册</button>
                             </a>
-                            <button disabled className="dl-btn">提交样式</button>
-                        </div>
-                        <div className="div-btn">
                             <a href="https://www.yuque.com/qrbtf/topics" rel="noopener noreferrer" target="_blank">
                                 <button className="dl-btn">问题反馈</button>
                             </a>
+                            <button disabled className="dl-btn">提交样式</button>
+                        </div>
+                        <div className="div-btn">
+                            <button disabled className="dl-btn">提交样式</button>
                         </div>
                     </div>
                 </div>