style:增加下载中心

src/components/NavLeft.vue

@@ -278,6 +278,15 @@
           </div>
           <router-link to="/qamanage">问答管理</router-link>
         </a-menu-item>
+        <a-menu-item key="sub15" @titleClick="titleClick">
+          <div class="imgBox">
+            <img
+              style="width: 20px; height: 20px"
+              src="../assets/images/navleft/qa.png"
+            />
+          </div>
+          <router-link to="/download">下载中心</router-link>
+        </a-menu-item>
       </a-menu>
     </div>
     <div
@@ -343,6 +352,9 @@
         <a-menu-item key="sub14" @titleClick="titleClick">
           <router-link to="/qamanage">问答</router-link>
         </a-menu-item>
+        <a-menu-item key="sub15" @titleClick="titleClick">
+          <router-link to="/download">问答</router-link>
+        </a-menu-item>
       </a-menu>
     </div>
   </div>
@@ -374,6 +386,7 @@ export default {
         "sub12",
         "sub13",
         "sub14",
+        "sub15",
       ],
       openKeys: localStorage.getItem("openKeys")
         ? JSON.parse(localStorage.getItem("openKeys"))
@@ -535,6 +548,12 @@ export default {
           selectedKeys: "sub14",
           pagename: "问答管理",
         },
+        {
+          href: "/download",
+          openKeys: "sub15",
+          selectedKeys: "sub15",
+          pagename: "下载中心",
+        },
       ],
     });