feat: 新增一键备案切换模式功能

Yi.Bbs.Vue3/src/layout/LoginLayout.vue

@@ -5,7 +5,7 @@
       <div class="div-bottom">
         <span>备案：<span v-html="configStore.icp"></span></span>
         <span>站长：{{ configStore.author }}</span>
-        <span ><router-link to="/contact">联系我们</router-link></span>
+        <span v-if="!isIcp"><router-link to="/contact">联系我们</router-link></span>
         <span>关于本站</span>
         <span>建议反馈</span>
         <span>原创站点</span>
@@ -18,7 +18,7 @@
 
 import useConfigStore from "@/stores/config";
 const  configStore=useConfigStore();
-
+const isIcp=import.meta.env.VITE_APP_ICP==="true";
 </script>
 <style scoped lang="scss">
 .box {