diff --git a/src/admin/announcement/components/Actions.vue b/src/admin/announcement/components/Actions.vue
index a76e319..bce097c 100644
--- a/src/admin/announcement/components/Actions.vue
+++ b/src/admin/announcement/components/Actions.vue
@@ -23,16 +23,12 @@ async function handleDelete() {
   emit("deleted")
 }
 
-function goDetail() {}
 </script>
 <template>
   <n-space>
     <n-button size="small" type="success" secondary @click="goEdit">
       编辑
     </n-button>
-    <n-button size="small" type="info" secondary @click="goDetail">
-      查看
-    </n-button>
     <n-popconfirm @positive-click="handleDelete">
       <template #trigger>
         <n-button size="small" type="error" secondary>删除</n-button>
diff --git a/src/admin/announcement/detail.vue b/src/admin/announcement/detail.vue
index 98dbd68..748baaa 100644
--- a/src/admin/announcement/detail.vue
+++ b/src/admin/announcement/detail.vue
@@ -39,6 +39,7 @@ async function init() {
   announcement.title = res.data.title
   announcement.content = res.data.content
   announcement.visible = res.data.visible
+  announcement.tag = res.data.tag
   announcement.top = res.data.top
 }
 
diff --git a/src/admin/contest/detail.vue b/src/admin/contest/detail.vue
index 0f0f402..15fa2b1 100644
--- a/src/admin/contest/detail.vue
+++ b/src/admin/contest/detail.vue
@@ -20,10 +20,17 @@ const [ready, toggleReady] = useToggle()
 const startTime = ref(after10mins)
 const endTime = ref(after70mins)
 
+const tags: SelectOption[] = [
+  { label: "练习", value: "练习" },
+  { label: "期中", value: "期中" },
+  { label: "期末", value: "期末" },
+]
+
 const contest = reactive<BlankContest & { id: number }>({
   id: 0,
   title: "",
   description: "",
+  tag: "练习",
   start_time: formatISO(after10mins),
   end_time: formatISO(after70mins),
   rule_type: "ACM",
@@ -48,6 +55,7 @@ async function getContestDetail() {
   contest.id = data.id
   contest.title = data.title
   contest.description = data.description
+  contest.tag = data.tag
   contest.start_time = data.start_time
   contest.end_time = data.end_time
   contest.rule_type = "ACM"
@@ -93,6 +101,13 @@ onMounted(getContestDetail)
     <n-form-item label="标题">
       <n-input class="contestTitle" v-model:value="contest.title" />
     </n-form-item>
+    <n-form-item label="标签">
+      <n-select
+        style="width: 100px"
+        :options="tags"
+        v-model:value="contest.tag"
+      />
+    </n-form-item>
     <n-form-item label="开始">
       <n-date-picker v-model:value="startTime" type="datetime" />
     </n-form-item>
diff --git a/src/admin/contest/list.vue b/src/admin/contest/list.vue
index a33e9e2..8a27162 100644
--- a/src/admin/contest/list.vue
+++ b/src/admin/contest/list.vue
@@ -29,6 +29,11 @@ const columns: DataTableColumn<Contest>[] = [
     minWidth: 250,
     render: (row) => h(ContestTitle, { contest: row }),
   },
+  {
+    title: "标签",
+    key: "tag",
+    width: 80,
+  },
   {
     title: "类型",
     key: "contest_type",
diff --git a/src/oj/api.ts b/src/oj/api.ts
index 67aead5..e7c2898 100644
--- a/src/oj/api.ts
+++ b/src/oj/api.ts
@@ -120,6 +120,7 @@ export function getContestList(query: {
   limit: number
   keyword: string
   status: string
+  tag: string
 }) {
   return http.get("contests", { params: query })
 }
diff --git a/src/oj/contest/list.vue b/src/oj/contest/list.vue
index cc73f98..3372e10 100644
--- a/src/oj/contest/list.vue
+++ b/src/oj/contest/list.vue
@@ -18,6 +18,7 @@ const query = reactive({
   limit: parseInt(<string>route.query.limit) || 10,
   keyword: <string>route.query.keyword ?? "",
   status: <string>route.query.status ?? "",
+  tag: <string>route.query.tag ?? "",
 })
 const data = ref<Contest[]>([])
 const total = ref(0)
@@ -29,6 +30,13 @@ const options: SelectOption[] = [
   { label: "已结束", value: "-1" },
 ]
 
+const tags: SelectOption[] = [
+  { label: "全部", value: "" },
+  { label: "练习", value: "练习" },
+  { label: "期中", value: "期中" },
+  { label: "期末", value: "期末" },
+]
+
 const columns: DataTableColumn<Contest>[] = [
   {
     title: renderTableTitle("状态", "streamline-emojis:collision"),
@@ -47,6 +55,12 @@ const columns: DataTableColumn<Contest>[] = [
     minWidth: 360,
     render: (row) => h(ContestTitle, { contest: row }),
   },
+  {
+    title: renderTableTitle("标签", "fluent-emoji-flat:keycap-hashtag"),
+    key: "tag",
+    width: 100,
+    render: (row) => h(NTag, () => row.tag),
+  },
   {
     title: renderTableTitle("开始时间", "fluent-emoji-flat:eleven-thirty"),
     key: "start_time",
@@ -68,6 +82,7 @@ async function listContests() {
     limit: query.limit,
     keyword: query.keyword,
     status: query.status,
+    tag: query.tag,
   })
   data.value = res.data.results
   total.value = res.data.total
@@ -87,12 +102,13 @@ function search(value: string) {
 function clear() {
   query.keyword = ""
   query.status = ""
+  query.tag = ""
 }
 
 onMounted(listContests)
 watch(() => query.page, routerPush)
 watch(
-  () => [query.limit, query.status],
+  () => [query.limit, query.status, query.tag],
   () => {
     query.page = 1
     routerPush()
@@ -137,6 +153,9 @@ function rowProps(row: Contest) {
             v-model:value="query.status"
           />
         </n-form-item>
+        <n-form-item label="标签">
+          <n-select class="select" :options="tags" v-model:value="query.tag" />
+        </n-form-item>
         <n-form-item>
           <n-input
             clearable
diff --git a/src/utils/types.ts b/src/utils/types.ts
index 701d904..7973467 100644
--- a/src/utils/types.ts
+++ b/src/utils/types.ts
@@ -279,6 +279,7 @@ export interface Contest extends BlankContest {
 export interface BlankContest {
   title: string
   description: string
+  tag: string
   start_time: string
   end_time: string
   rule_type: "ACM" | "OI"