页面button颜色统一，表格不可选择页面数量

src/components/OpenPages.vue

@@ -41,6 +41,7 @@ import { reactive, toRefs } from "vue";
 import { useStore } from "vuex";
 import { useRouter } from "vue-router";
 import draggable from "vuedraggable";
+import { message } from "ant-design-vue";
 export default {
   name: "OpenPages",
   components: {
@@ -55,13 +56,18 @@ export default {
 
     const closePage = (value) => {
       console.log("点击关闭页面", value, state.openList);
+   
       state.openList.map((item, key) => {
         if (item.href === value.href) {
           if (state.openList.length === 1) {
             if (state.openList[0].href !== "/learningpath") {
               state.openList.splice(key, 1);
+              $router.push({ path: "/learningpath" });
+            }else{
+              message.destroy();
+              return message.warning("至少保留一个页面");
             }
-            $router.push({ path: "/learningpath" });
+           
           } else {
             if (value.active) {
               if (key === state.openList.length - 1) {