feat:旧版管理员界面跳转添加

src/components/NavLeft.vue

@@ -436,7 +436,7 @@
               src="../assets/images/navleft/review.png"
             />
           </div>
-          <a target="_blank" href="https://u-pre.boe.com/web/">旧版管理员界面</a>
+          <a target="_blank" :href="oldManage">旧版管理员界面</a>
           <!-- <router-link target="_blank" to="/oldsystemmanage">旧版管理员界面</router-link> -->
         </a-menu-item>
         <a-menu-item key="sub17" v-if="checkMenu('ReadingClubManage')">
@@ -807,6 +807,7 @@ export default {
           pagename: "字典管理",
         },
       ],
+      oldManage: window.location.protocol + process.env.VUE_APP_OLD_MANAGE
     });
 
     // console.log(state.openKeys, state.selectedKeys);