remove useAxios.

src/oj/contest/detail.vue

@@ -1,5 +1,7 @@
-<script setup lang="ts"></script>
+<script setup lang="ts">
+const route = useRoute()
+</script>
 
-<template>contest detail</template>
+<template></template>
 
 <style scoped></style>

src/oj/contest/list.vue

@@ -126,9 +126,9 @@ function rowProps(row: Contest) {
         v-model:value="query.status"
       />
     </n-form-item>
-    <n-form-item>
+    <n-form-item label="搜索比赛标题">
       <n-input
-        placeholder="关键字"
+        placeholder="输入后回车"
         v-model:value="query.keyword"
         @change="search"
       />