fix:上网详单界面按钮添加

src/views/billing/Internetdetails/index.vue

@@ -2,6 +2,11 @@
 import { ref, watch } from 'vue'
 import { Card, Radio, Statistic } from 'ant-design-vue'
 import {useI18n} from "vue-i18n";
+import { useRouter } from 'vue-router';
+const router = useRouter();
+const handleBack = () => {
+  router.push('/billing/billservice');
+};
 
 const  {t}  = useI18n();
 
@@ -274,6 +279,12 @@ watch(selectedMonth, (newMonth: string) => {
 
 <template>
   <div class="internet-details p-4">
+    <div class="text-lg font-bold mb-4 flex justify-between items-center">
+      <span>{{ t('page.Internetdetails.title') }}</span>
+      <a-button @click="handleBack">
+        {{ t('page.login.common.back') }}
+      </a-button>
+    </div>
     <!-- 月份选择 -->
     <div class="month-selector-wrapper">
       <Radio.Group v-model:value="selectedMonth" class="month-selector">