问题反馈按钮

src/components/Qrcode.css

@@ -162,7 +162,7 @@ td:nth-child(2) {
 }
 
 td {
-    padding-bottom: 10px;
+    padding: 0 0 10px 0;
 }
 
 table {
@@ -288,11 +288,16 @@ input[type="number"]{
     max-width: 410px;
 }
 
+.btn-row:nth-last-child(1) {
+    margin-bottom: -10px;
+}
+
 .div-btn {
     white-space: nowrap;
     overflow-x: hidden;
     display: flex;
     justify-content: space-between;
+    margin-bottom: 10px;
 }
 
 .dl-btn {

src/components/Qrcode.js

@@ -243,13 +243,18 @@ class Qrcode extends React.Component {
                         <div className="Qr-s-title">More</div>
                         <p className="Qr-s-subtitle">更多</p>
                     </div>
-                    <div className="Qr-Centered">
+                    <div className="Qr-Centered btn-row">
                         <div className="div-btn">
                             <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>
+                        </div>
                     </div>
                 </div>
                 <div className="Qr-titled">