推荐课程初始

src/components/NavLeft.vue

@@ -153,6 +153,15 @@
             ></span>
             <router-link to="/coursemanage">课件管理</router-link>
           </a-menu-item>
+          <a-menu-item key="sub3-4" >
+            <span
+                :class="{
+                circleActive: selectedKeys[0] === 'sub3-4' ? true : false,
+                circle: selectedKeys[0] === 'sub3-4' ? false : true,
+              }"
+            ></span>
+            <router-link to="/courserecommended">课程推荐</router-link>
+          </a-menu-item>          
         </a-sub-menu>
         <!-- 2022-12-10注释 后面放开 -->
         <!-- <a-menu-item key="sub4" @titleClick="titleClick">
@@ -795,6 +804,12 @@ export default {
           selectedKeys: "sub3-3",
           pagename: "课件管理",
         },
+        {
+          href: "/courserecommended",
+          openKeys: "sub4",
+          selectedKeys: "sub3-4",
+          pagename: "课程推荐",
+        },
         {
           href: "/certificatecenter",
           openKeys: "sub8",