下载按钮美化调整；添加链接失效反馈前端样式

bookshelfplus-frontend/routes/index.js

@@ -60,6 +60,13 @@ router.get('/about', function (req, res) {
     });
 });
 
+router.get('/feedback', function (req, res) {
+    res.render('feedback', {
+        title: getPageTitle("用户反馈"),
+        headText: "用户反馈"
+    });
+});
+
 router.get('/login', function (req, res) {
     res.render('login', {
         title: getPageTitle("用户登录"),