diff --git a/src/api.ts b/src/api.ts
index 494faf2..ae6a9d3 100644
--- a/src/api.ts
+++ b/src/api.ts
@@ -181,7 +181,6 @@ export const Submission = {
     score_min?: number
     score_max_exclusive?: number
     score_lt_threshold?: number
-    nominated?: boolean
     ordering?: string
     grouped?: boolean
   }) {
@@ -223,11 +222,6 @@ export const Submission = {
     return res.data as { cleared: number }
   },
 
-  async nominate(id: string) {
-    const res = await http.put(`/submission/${id}/nominate`)
-    return res.data as { nominated: boolean }
-  },
-
   async getStats(taskId: number, classname?: string): Promise<TaskStatsOut> {
     const params: Record<string, string | number> = {}
     if (classname) params.classname = classname
diff --git a/src/components/TaskStatsModal.vue b/src/components/TaskStatsModal.vue
index 00e9a8b..4c8e6d5 100644
--- a/src/components/TaskStatsModal.vue
+++ b/src/components/TaskStatsModal.vue
@@ -279,72 +279,6 @@
             </div>
           </div>
 
-          <!-- 人气提交 Top 5 -->
-          <div style="margin-bottom: 12px">
-            <div
-              style="
-                font-weight: 600;
-                font-size: 13px;
-                margin-bottom: 8px;
-                color: #333;
-              "
-            >
-              人气提交 Top 5
-              <span style="font-size: 11px; color: #aaa; font-weight: 400"
-                >（按打分人数）</span
-              >
-            </div>
-            <div style="display: flex; flex-direction: column; gap: 5px">
-              <div
-                v-for="(sub, i) in stats.top_submissions"
-                :key="sub.submission_id"
-                :style="{
-                  display: 'flex',
-                  alignItems: 'center',
-                  gap: '10px',
-                  padding: '6px 10px',
-                  background: rankBg(i),
-                  borderRadius: '6px',
-                  cursor: 'pointer',
-                }"
-                @click="viewSubmission(sub.submission_id)"
-              >
-                <div
-                  :style="{
-                    width: '20px',
-                    height: '20px',
-                    background: rankColor(i),
-                    borderRadius: '50%',
-                    display: 'flex',
-                    alignItems: 'center',
-                    justifyContent: 'center',
-                    color: '#fff',
-                    fontWeight: '700',
-                    fontSize: '11px',
-                    flexShrink: 0,
-                  }"
-                >
-                  {{ i + 1 }}
-                </div>
-                <div style="flex: 1">
-                  <div style="font-weight: 500; font-size: 13px">
-                    {{ displayName(sub.username, sub.classname) }}
-                  </div>
-                  <div style="color: #aaa; font-size: 11px">
-                    {{ sub.score.toFixed(1) }} 分 ·
-                    {{ sub.rating_count }} 人打分
-                  </div>
-                </div>
-                <div style="color: #2080f0; font-size: 12px">查看 →</div>
-              </div>
-              <span
-                v-if="!stats.top_submissions.length"
-                style="color: #aaa; font-size: 12px"
-                >暂无打分记录</span
-              >
-            </div>
-          </div>
-
           <!-- 标记统计 -->
           <div>
             <div
@@ -436,20 +370,6 @@ function viewSubmission(id: string) {
   window.open(href, "_blank")
 }
 
-function rankColor(i: number) {
-  return (
-    (["#f0a020", "#909090", "#cd7f32", "#8899aa", "#7a8fa0"] as const)[i] ??
-    "#aaa"
-  )
-}
-
-function rankBg(i: number) {
-  return (
-    (["#fffbef", "#f8f8f8", "#fdf5ee", "#f2f5f8", "#eef2f5"] as const)[i] ??
-    "#f8f8f8"
-  )
-}
-
 function bucketPct(value: number) {
   const total = stats.value?.submitted_count ?? 0
   if (!total) return "0%"
@@ -467,7 +387,6 @@ const metrics = computed(() => {
       color: "#2080f0",
     },
     { label: "未打分", value: stats.value.unrated_count, color: "#d03050" },
-    { label: "参与排名", value: stats.value.nominated_count, color: "#f0a020" },
   ]
 })
 
diff --git a/src/components/Toolbar.vue b/src/components/Toolbar.vue
index 607a0e4..89856ea 100644
--- a/src/components/Toolbar.vue
+++ b/src/components/Toolbar.vue
@@ -77,15 +77,6 @@ const menu = computed(() => [
         width: 20,
       }),
   },
-  {
-    label: "排名榜",
-    key: "ranking",
-    icon: () =>
-      h(Icon, {
-        icon: "streamline-emojis:sunglasses",
-        width: 20,
-      }),
-  },
   {
     label: "退出账号",
     key: "logout",
@@ -117,9 +108,6 @@ function clickMenu(name: string) {
         query: { username: user.username },
       })
       break
-    case "ranking":
-      router.push({ name: "ranking" })
-      break
     case "logout":
       handleLogout()
       break
diff --git a/src/components/submissions/ExpandedSubTable.vue b/src/components/submissions/ExpandedSubTable.vue
index 1d451e0..1c8ad27 100644
--- a/src/components/submissions/ExpandedSubTable.vue
+++ b/src/components/submissions/ExpandedSubTable.vue
@@ -37,7 +37,6 @@ const emit = defineEmits<{
   select: [id: string]
   delete: [row: SubmissionOut, parentId: string]
   "show-chain": [conversationId: string]
-  nominate: [row: SubmissionOut]
 }>()
 
 const isChallenge = computed(() => props.row.task_type === TASK_TYPE.Challenge)
@@ -77,30 +76,6 @@ const subColumns = computed((): DataTableColumn<SubmissionOut>[] => [
       )
     },
   },
-  {
-    title: "排名",
-    key: "nominated",
-    width: 60,
-    render: (r: SubmissionOut) => {
-      if (r.username !== user.username) {
-        return r.nominated
-          ? h("span", { style: { color: "#f0a020" } }, "🏅")
-          : null
-      }
-      return h(
-        NButton,
-        {
-          text: true,
-          title: r.nominated ? "已参与排名（点击可重新提名）" : "参与排名",
-          onClick: (e: Event) => {
-            e.stopPropagation()
-            emit("nominate", r)
-          },
-        },
-        () => (r.nominated ? "🏅" : "☆"),
-      )
-    },
-  },
   ...(isChallenge.value
     ? [
         {
diff --git a/src/pages/Submissions.vue b/src/pages/Submissions.vue
index 8ccc247..5fdd05f 100644
--- a/src/pages/Submissions.vue
+++ b/src/pages/Submissions.vue
@@ -195,7 +195,6 @@ const columns: DataTableColumn<SubmissionOut>[] = [
         onSelect: (id) => getSubmissionByID(id),
         onDelete: (r, parentId) => handleDelete(r, parentId),
         "onShow-chain": (id) => showChain(id),
-        onNominate: (r) => handleNominateChild(r, row.id),
       }),
   },
   {
@@ -313,23 +312,6 @@ async function getSubmissionByID(id: string) {
   submission.value = await Submission.get(id)
 }
 
-async function handleNominateChild(row: SubmissionOut, parentId: string) {
-  await Submission.nominate(row.id)
-  const items = expandedData.get(parentId)
-  if (items) {
-    expandedData.set(
-      parentId,
-      items.map((d) => ({ ...d, nominated: d.id === row.id })),
-    )
-  }
-  data.value = data.value.map((d) => {
-    if (d.username === user.username && d.task_id === row.task_id) {
-      d.nominated = d.id === row.id
-    }
-    return d
-  })
-}
-
 function afterScore() {
   data.value = data.value.map((d) => {
     if (d.id === submission.value.id) d.my_score = submission.value.my_score
diff --git a/src/utils/type.ts b/src/utils/type.ts
index 6be28d0..484c04a 100644
--- a/src/utils/type.ts
+++ b/src/utils/type.ts
@@ -78,7 +78,6 @@ export interface SubmissionOut {
   my_score: number
   conversation_id?: string
   flag?: FlagType
-  nominated: boolean
   submit_count: number
   created: Date
   modified: Date
@@ -107,14 +106,6 @@ export interface UserTag {
   classname: string
 }
 
-export interface TopSubmission {
-  submission_id: string
-  username: string
-  classname: string
-  score: number
-  rating_count: number
-}
-
 export interface SubmissionCountBucket {
   count_1: number
   count_2: number
@@ -142,12 +133,10 @@ export interface TaskStatsOut {
   unsubmitted_count: number
   average_score: number | null
   unrated_count: number
-  nominated_count: number
   unsubmitted_users: UserTag[]
   unrated_users: UserTag[]
   submission_count_distribution: SubmissionCountBucket
   score_distribution: ScoreBucket
-  top_submissions: TopSubmission[]
   flag_stats: FlagStats
   classes: string[]
 }