fix.

src/oj/contest/pages/helper.vue

@@ -1,13 +0,0 @@
-<script lang="ts" setup>
-const columns: DataTableColumn[] = [
-  { title: "AC 时间", key: "ac_time" },
-  { title: "问题 ID", key: "problem_display_id" },
-  { title: "一血", key: "is_first_ac" },
-  { title: "用户名", key: "username" },
-  { title: "状态", key: "status" },
-  { title: "选项", key: "actions" },
-]
-</script>
-<template>
-  <n-data-table :columns="columns"></n-data-table>
-</template>