diff --git a/apps/web/src/oj/ai/components/StreakStats.vue b/apps/web/src/oj/ai/components/StreakStats.vue
deleted file mode 100644
index 518f8b6..0000000
--- a/apps/web/src/oj/ai/components/StreakStats.vue
+++ /dev/null
@@ -1,166 +0,0 @@
-<template>
-  <n-card title="连续做题统计" size="small">
-    <template #header-extra>
-      <n-text depth="3" style="font-size: 12px">激励持续学习</n-text>
-    </template>
-    <n-spin :show="aiStore.loading.heatmap" :delay="50">
-      <n-grid :cols="2" :x-gap="12" :y-gap="12">
-        <n-gi>
-          <n-statistic label="当前连续" :value="currentStreak">
-            <template #suffix>
-              <span style="font-size: 14px">天</span>
-              <span
-                v-if="currentStreak > 0"
-                style="font-size: 20px; margin-left: 4px"
-              >
-                🔥
-              </span>
-            </template>
-          </n-statistic>
-        </n-gi>
-        <n-gi>
-          <n-statistic label="最长连续" :value="maxStreak">
-            <template #suffix>
-              <span style="font-size: 14px">天</span>
-              <span
-                v-if="maxStreak >= 7"
-                style="font-size: 20px; margin-left: 4px"
-              >
-                ⭐
-              </span>
-            </template>
-          </n-statistic>
-        </n-gi>
-        <n-gi>
-          <n-statistic label="本周做题" :value="weekCount">
-            <template #suffix>
-              <span style="font-size: 14px">天</span>
-            </template>
-          </n-statistic>
-        </n-gi>
-        <n-gi>
-          <n-statistic label="本月做题" :value="monthCount">
-            <template #suffix>
-              <span style="font-size: 14px">天</span>
-            </template>
-          </n-statistic>
-        </n-gi>
-      </n-grid>
-      <n-divider style="margin: 12px 0" />
-      <n-flex vertical size="small">
-        <n-text depth="2" style="font-size: 12px">
-          <span v-if="currentStreak === 0"> 开始做题，建立学习连续记录！ </span>
-          <span v-else-if="currentStreak < 3"> 继续保持，争取连续3天！ </span>
-          <span v-else-if="currentStreak < 7">
-            很棒！继续保持一周连续记录！
-          </span>
-          <span v-else-if="currentStreak < 30">
-            太棒了！坚持满30天将获得「持之以恒」成就！
-          </span>
-          <span v-else>
-            🎉 恭喜你！你已经连续学习 {{ currentStreak }} 天，真的非常厉害！
-          </span>
-        </n-text>
-      </n-flex>
-    </n-spin>
-  </n-card>
-</template>
-
-<script setup lang="ts">
-import { useAIStore } from "oj/store/ai"
-
-const aiStore = useAIStore()
-
-// 计算连续天数
-const streakData = computed(() => {
-  const heatmap = aiStore.heatmapData
-  if (!heatmap || heatmap.length === 0) {
-    return {
-      currentStreak: 0,
-      maxStreak: 0,
-      weekCount: 0,
-      monthCount: 0,
-    }
-  }
-
-  // 按时间戳排序
-  const sortedData = [...heatmap].sort((a, b) => a.timestamp - b.timestamp)
-
-  let currentStreak = 0
-  let maxStreak = 0
-  let tempStreak = 0
-  let lastDate: Date | null = null
-
-  const now = new Date()
-  const today = new Date(now.getFullYear(), now.getMonth(), now.getDate())
-  const weekAgo = new Date(today.getTime() - 7 * 24 * 60 * 60 * 1000)
-  const monthAgo = new Date(today.getTime() - 30 * 24 * 60 * 60 * 1000)
-
-  let weekCount = 0
-  let monthCount = 0
-
-  // 遍历数据计算连续天数
-  for (const item of sortedData) {
-    if (item.value > 0) {
-      const currentDate = new Date(item.timestamp)
-
-      // 统计本周和本月
-      if (currentDate >= weekAgo) {
-        weekCount++
-      }
-      if (currentDate >= monthAgo) {
-        monthCount++
-      }
-
-      if (lastDate === null) {
-        tempStreak = 1
-      } else {
-        const dayDiff = Math.floor(
-          (currentDate.getTime() - lastDate.getTime()) / (24 * 60 * 60 * 1000),
-        )
-        if (dayDiff === 1) {
-          tempStreak++
-        } else {
-          maxStreak = Math.max(maxStreak, tempStreak)
-          tempStreak = 1
-        }
-      }
-
-      lastDate = currentDate
-    }
-  }
-
-  maxStreak = Math.max(maxStreak, tempStreak)
-
-  // 计算当前连续天数（必须包含今天或昨天）
-  if (lastDate) {
-    const yesterday = new Date(today.getTime() - 24 * 60 * 60 * 1000)
-    const lastDateOnly = new Date(
-      lastDate.getFullYear(),
-      lastDate.getMonth(),
-      lastDate.getDate(),
-    )
-
-    if (
-      lastDateOnly.getTime() === today.getTime() ||
-      lastDateOnly.getTime() === yesterday.getTime()
-    ) {
-      currentStreak = tempStreak
-    } else {
-      currentStreak = 0
-    }
-  }
-
-  return {
-    currentStreak,
-    maxStreak,
-    weekCount,
-    monthCount,
-  }
-})
-
-const currentStreak = computed(() => streakData.value.currentStreak)
-const maxStreak = computed(() => streakData.value.maxStreak)
-const weekCount = computed(() => streakData.value.weekCount)
-const monthCount = computed(() => streakData.value.monthCount)
-</script>
diff --git a/apps/web/src/shared/components/IconButton.vue b/apps/web/src/shared/components/IconButton.vue
deleted file mode 100644
index 8fbe0b1..0000000
--- a/apps/web/src/shared/components/IconButton.vue
+++ /dev/null
@@ -1,29 +0,0 @@
-<template>
-  <n-tooltip>
-    <template #trigger>
-      <n-button round :type="type ?? 'default'" @click="$emit('click')">
-        <template #icon>
-          <Icon :icon="icon" />
-        </template>
-      </n-button>
-    </template>
-    {{ tip }}
-  </n-tooltip>
-</template>
-<script lang="ts" setup>
-import { Icon } from "@iconify/vue"
-
-defineProps<{
-  tip: string
-  icon: string
-  type?:
-    | "default"
-    | "tertiary"
-    | "primary"
-    | "info"
-    | "success"
-    | "warning"
-    | "error"
-}>()
-defineEmits(["click"])
-</script>
diff --git a/apps/web/src/utils/permissions.ts b/apps/web/src/utils/permissions.ts
deleted file mode 100644
index 34921e6..0000000
--- a/apps/web/src/utils/permissions.ts
+++ /dev/null
@@ -1,108 +0,0 @@
-import { useUserStore } from "shared/store/user"
-
-export function usePermissions() {
-  const userStore = useUserStore()
-
-  return {
-    isAuthenticated: computed(() => userStore.isAuthed),
-    isAdminRole: computed(() => userStore.isAdminRole),
-    isTeacherOrAbove: computed(() => userStore.isTeacherOrAbove),
-    isSuperAdmin: computed(() => userStore.isSuperAdmin),
-    hasProblemPermission: computed(() => userStore.hasProblemPermission),
-
-    canManageUsers: computed(() => userStore.isSuperAdmin),
-    canManageAnnouncements: computed(() => userStore.isSuperAdmin),
-    canManageTutorials: computed(() => userStore.isSuperAdmin),
-    canManageSystemConfig: computed(() => userStore.isSuperAdmin),
-    canSendMessages: computed(() => userStore.isSuperAdmin),
-
-    canManageProblems: computed(() => userStore.hasProblemPermission),
-    canManageContests: computed(() => userStore.isTeacherOrAbove),
-    canManageProblemsets: computed(() => userStore.isTeacherOrAbove),
-    canViewClassroomData: computed(() => userStore.isTeacherOrAbove),
-
-    canManageAllProblems: computed(
-      () =>
-        userStore.user?.problemPermission === "All" || userStore.isSuperAdmin,
-    ),
-    canManageOwnProblems: computed(
-      () =>
-        userStore.user?.problemPermission === "Own" && !userStore.isSuperAdmin,
-    ),
-
-    getUserPermissionLevel: computed(() => {
-      if (userStore.isSuperAdmin) return "超级管理员"
-      if (userStore.isTeacherAdmin) return "教师管理员"
-      if (userStore.isStudentAdmin) return "学生管理员"
-      return "普通用户"
-    }),
-
-    getProblemPermissionLevel: computed(() => {
-      if (!userStore.user) return "无权限"
-      switch (userStore.user.problemPermission) {
-        case "All":
-          return "管理所有题目"
-        case "Own":
-          return "管理自己的题目"
-        case "None":
-          return "无题目权限"
-        default:
-          return "无权限"
-      }
-    }),
-  }
-}
-
-export function checkRoutePermission(routeName: string): boolean {
-  const userStore = useUserStore()
-
-  const superAdminRoutes = [
-    "admin home",
-    "admin config",
-    "admin user list",
-    "admin user generate",
-    "admin announcement list",
-    "admin announcement create",
-    "admin announcement edit",
-    "admin message list",
-    "admin tutorial list",
-    "admin tutorial create",
-    "admin tutorial edit",
-  ]
-
-  const teacherAdminRoutes = [
-    "admin contest list",
-    "admin contest create",
-    "admin contest edit",
-    "admin contest problem list",
-    "admin contest problem create",
-    "admin contest problem edit",
-    "admin contest helper",
-    "admin problemset list",
-    "admin problemset create",
-    "admin problemset edit",
-    "admin problemset detail",
-    "admin stuck problems",
-    "admin top ac trend",
-  ]
-
-  const problemPermissionRoutes = [
-    "admin problem list",
-    "admin problem create",
-    "admin problem edit",
-  ]
-
-  if (superAdminRoutes.includes(routeName)) {
-    return userStore.isSuperAdmin
-  }
-
-  if (teacherAdminRoutes.includes(routeName)) {
-    return userStore.isTeacherOrAbove
-  }
-
-  if (problemPermissionRoutes.includes(routeName)) {
-    return userStore.hasProblemPermission
-  }
-
-  return true
-}