Merge remote-tracking branch 'origin/feature-201830-wangcz' into feature-201830-wangcz

components/main/Nav.vue

@@ -44,6 +44,12 @@
       <nuxt-link to="/pcb" class="item">
         <span>PCB专区</span>
       </nuxt-link>
+      <a class="item" href="https://zb.usoftchina.com/" target="_blank">
+        <span>U创网</span>
+      </a>
+      <a class="item" href="https://bbs.usoftchina.com/" target="_blank">
+        <span>U客论坛</span>
+      </a>
       <nuxt-link to="/news" class="item">
         <span>优软快讯</span>
       </nuxt-link>