[更新]添加默认padding

src/layouts/courseLayouts/LayoutStructure.vue

@@ -20,7 +20,7 @@
             <div class="navbar-end nav-user"><user-dropdown /></div>
           </div>
         </default-header>
-        <router-view />
+        <div class="router-part"><router-view /></div>
       </div>
     </div>
   </div>
@@ -149,4 +149,8 @@ $top-section-height: 4.25rem;
 .nav-user {
   margin-right: $default-margin;
 }
+
+.router-part {
+  padding: $default-margin-between;
+}
 </style>