diff --git a/public/A.png b/public/A.png
new file mode 100644
index 0000000..01c828e
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diff --git a/public/B.png b/public/B.png
new file mode 100644
index 0000000..57d6638
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diff --git a/public/C.png b/public/C.png
new file mode 100644
index 0000000..7be3add
Binary files /dev/null and b/public/C.png differ
diff --git a/public/S.png b/public/S.png
new file mode 100644
index 0000000..1e2daa0
Binary files /dev/null and b/public/S.png differ
diff --git a/src/admin/user/generate.vue b/src/admin/user/generate.vue
index fbe89e8..88b7740 100644
--- a/src/admin/user/generate.vue
+++ b/src/admin/user/generate.vue
@@ -2,9 +2,8 @@
 import { importUsers } from "../api"
 
 const message = useMessage()
-const prefix = ref("")
+const prefix = ref(0)
 const rawInput = ref("")
-const [needKs] = useToggle(true)
 const [loading, toggleLoading] = useToggle()
 const users = shallowRef<string[][]>([])
 
@@ -13,25 +12,17 @@ function generateUsers() {
     message.info("请填写相关内容")
     return false
   }
-  // 自动加上 ks 的开头
-  let myClass = ""
-  if (prefix.value) {
-    if (needKs.value && !prefix.value.startsWith("ks")) {
-      myClass = "ks" + prefix.value
-    } else {
-      myClass = prefix.value
-    }
-  }
+  let className = !!prefix.value ? `ks${prefix.value}` : ""
   rawInput.value = rawInput.value.trim()
   const inputs = rawInput.value.split("\n")
   users.value = inputs.map((u, i) => {
-    const username = myClass + u
+    const username = className + u
     let password = ""
     for (let j = 0; j < 6; j++) {
       password += "123456789".charAt(Math.floor(Math.random() * 9))
     }
     const realName = u
-    const email = `${myClass}.${i + 1}@example.com`
+    const email = `${className}.${i + 1}@example.com`
     return [username, password, email, realName]
   })
   return true
@@ -68,14 +59,16 @@ async function submit() {
   <n-space>
     <n-flex vertical>
       <n-flex align="center">
-        <n-switch v-model:value="needKs" />
-        <span>前面带上 ks</span>
+        <div style="width: 18px; font-size: 1.2rem">ks</div>
+        <n-input-number
+          style="width: 170px"
+          v-model:value="prefix"
+          clearable
+          :max="9999"
+          :min="0"
+          placeholder="班级号"
+        />
       </n-flex>
-      <n-input
-        style="width: 200px"
-        v-model:value="prefix"
-        placeholder="班级号"
-      />
       <n-input
         type="textarea"
         class="inputArea"
diff --git a/src/components.d.ts b/src/components.d.ts
index 1c557da..e5fb337 100644
--- a/src/components.d.ts
+++ b/src/components.d.ts
@@ -9,32 +9,56 @@ export {}
 declare module 'vue' {
   export interface GlobalComponents {
     NAlert: typeof import('naive-ui')['NAlert']
+    NAvatar: typeof import('naive-ui')['NAvatar']
     NButton: typeof import('naive-ui')['NButton']
+    NButtonGroup: typeof import('naive-ui')['NButtonGroup']
     NCard: typeof import('naive-ui')['NCard']
     NCode: typeof import('naive-ui')['NCode']
     NCollapseTransition: typeof import('naive-ui')['NCollapseTransition']
     NConfigProvider: typeof import('naive-ui')['NConfigProvider']
     NDataTable: typeof import('naive-ui')['NDataTable']
+    NDescriptions: typeof import('naive-ui')['NDescriptions']
+    NDescriptionsItem: typeof import('naive-ui')['NDescriptionsItem']
     NDropdown: typeof import('naive-ui')['NDropdown']
+    NDynamicTags: typeof import('naive-ui')['NDynamicTags']
+    NEmpty: typeof import('naive-ui')['NEmpty']
     NFlex: typeof import('naive-ui')['NFlex']
     NForm: typeof import('naive-ui')['NForm']
     NFormItem: typeof import('naive-ui')['NFormItem']
+    NFormItemGi: typeof import('naive-ui')['NFormItemGi']
+    NGi: typeof import('naive-ui')['NGi']
     NGradientText: typeof import('naive-ui')['NGradientText']
+    NGrid: typeof import('naive-ui')['NGrid']
     NH1: typeof import('naive-ui')['NH1']
+    NH2: typeof import('naive-ui')['NH2']
+    NH3: typeof import('naive-ui')['NH3']
+    NH4: typeof import('naive-ui')['NH4']
     NIcon: typeof import('naive-ui')['NIcon']
     NInput: typeof import('naive-ui')['NInput']
+    NInputNumber: typeof import('naive-ui')['NInputNumber']
     NLayout: typeof import('naive-ui')['NLayout']
     NLayoutContent: typeof import('naive-ui')['NLayoutContent']
     NLayoutHeader: typeof import('naive-ui')['NLayoutHeader']
+    NLayoutSider: typeof import('naive-ui')['NLayoutSider']
     NMenu: typeof import('naive-ui')['NMenu']
     NMessageProvider: typeof import('naive-ui')['NMessageProvider']
     NModal: typeof import('naive-ui')['NModal']
+    NNumberAnimation: typeof import('naive-ui')['NNumberAnimation']
     NPagination: typeof import('naive-ui')['NPagination']
+    NPopconfirm: typeof import('naive-ui')['NPopconfirm']
+    NPopover: typeof import('naive-ui')['NPopover']
+    NRate: typeof import('naive-ui')['NRate']
+    NScrollbar: typeof import('naive-ui')['NScrollbar']
     NSelect: typeof import('naive-ui')['NSelect']
     NSpace: typeof import('naive-ui')['NSpace']
+    NSpan: typeof import('naive-ui')['NSpan']
+    NSpin: typeof import('naive-ui')['NSpin']
     NSwitch: typeof import('naive-ui')['NSwitch']
+    NTabPane: typeof import('naive-ui')['NTabPane']
+    NTabs: typeof import('naive-ui')['NTabs']
     NTag: typeof import('naive-ui')['NTag']
     NText: typeof import('naive-ui')['NText']
+    NTooltip: typeof import('naive-ui')['NTooltip']
     RouterLink: typeof import('vue-router')['RouterLink']
     RouterView: typeof import('vue-router')['RouterView']
   }
diff --git a/src/oj/ai/analysis.vue b/src/oj/ai/analysis.vue
new file mode 100644
index 0000000..22acf23
--- /dev/null
+++ b/src/oj/ai/analysis.vue
@@ -0,0 +1,240 @@
+<template>
+  <n-grid :cols="5" :x-gap="20">
+    <n-gi :span="2">
+      <n-flex vertical size="large">
+        <n-flex align="center">
+          <n-select
+            style="width: 140px"
+            :options="options"
+            v-model:value="duration"
+          />
+          <n-flex>
+            <n-input
+              clearable
+              style="width: 140px"
+              v-if="userStore.isSuperAdmin"
+              v-model:value="username"
+            />
+            <n-button @click="init">查询</n-button>
+          </n-flex>
+        </n-flex>
+        <n-spin :show="detailLoading">
+          <n-flex vertical size="large">
+            <n-alert
+              :show-icon="false"
+              type="success"
+              v-if="solvedProblems.length"
+            >
+              <span>{{ durationLabel }}，</span>
+              <span>{{ !!username ? username : "你" }}一共解决 </span>
+              <b class="charming"> {{ solvedProblems.length }} </b>
+              <span> 道题，</span>
+              <span v-if="contest_count > 0">
+                并且参加
+                <b class="charming"> {{ contest_count }} </b> 次比赛，
+              </span>
+              <span>综合评价给到</span>
+              <Grade :grade="grade" />
+              <span>{{ greeting }}</span>
+            </n-alert>
+            <n-alert type="error" v-else title="你还没有完成任何题目"></n-alert>
+            <n-flex>
+              <TagsChart :tags="tags" />
+              <DifficultyChart :difficulty="difficulty" />
+            </n-flex>
+            <n-data-table
+              v-if="solvedProblems.length"
+              striped
+              :max-height="400"
+              :data="solvedProblems"
+              :columns="columns"
+            />
+          </n-flex>
+        </n-spin>
+      </n-flex>
+    </n-gi>
+    <n-gi :span="3">
+      <n-spin :show="weeklyLoading">
+        <WeeklyChart :weeklyData="weeklyData" :duration="duration" />
+      </n-spin>
+    </n-gi>
+  </n-grid>
+</template>
+<script setup lang="ts">
+import { ref, computed, watch } from "vue"
+import { formatISO, sub, type Duration } from "date-fns"
+import { getAIDetailData, getAIWeeklyData } from "../api"
+import { NButton } from "naive-ui"
+import { parseTime } from "~/utils/functions"
+import TagTitle from "./components/TagTitle.vue"
+import TagsChart from "./components/TagsChart.vue"
+import DifficultyChart from "./components/DifficultyChart.vue"
+import WeeklyChart from "./components/WeeklyChart.vue"
+import Grade from "./components/Grade.vue"
+import { WeeklyData } from "~/utils/types"
+import { useUserStore } from "~/shared/store/user"
+
+const router = useRouter()
+const userStore = useUserStore()
+
+const start = ref("")
+const end = ref("")
+const duration = ref("months:6")
+const username = ref("")
+
+const startLabel = ref("")
+const endLabel = ref("")
+
+const weeklyLoading = ref(false)
+const detailLoading = ref(false)
+
+const durationLabel = computed(() => {
+  if (duration.value.includes("hours")) {
+    return `在 ${parseTime(startLabel.value, "HH:mm")} - ${parseTime(endLabel.value, "HH:mm")} 期间`
+  } else if (duration.value.includes("days")) {
+    return `在 ${parseTime(endLabel.value, "MM月DD日")}`
+  } else if (
+    duration.value.includes("weeks") ||
+    duration.value.includes("months")
+  ) {
+    return `在 ${parseTime(startLabel.value, "MM月DD日")} - ${parseTime(endLabel.value, "MM月DD日")} 期间`
+  } else {
+    return `在 ${parseTime(startLabel.value, "YYYY年MM月DD日")} - ${parseTime(endLabel.value, "YYYY年MM月DD日")} 期间`
+  }
+})
+
+const greeting = computed(() => {
+  return {
+    S: "要不试试高难度题目？",
+    A: "你很棒，继续保持！",
+    B: "请再接再厉！",
+    C: "你还需要努力！",
+  }[grade.value]
+})
+
+interface SolvedProblem {
+  problem: {
+    title: string
+    display_id: string
+    contest_title: string
+    contest_id: number
+  }
+  ac_time: string
+  rank: number
+  ac_count: number
+  grade: "S" | "A" | "B" | "C"
+}
+
+const solvedProblems = ref<SolvedProblem[]>([])
+const grade = ref<"S" | "A" | "B" | "C">("B")
+const class_name = ref("")
+const tags = ref<{ [key: string]: number }>({})
+const difficulty = ref<{ [key: string]: number }>({})
+const contest_count = ref(0)
+const columns: DataTableColumn<SolvedProblem>[] = [
+  {
+    title: "完成的题目",
+    key: "problem.title",
+    render: (row) =>
+      h(
+        NButton,
+        {
+          text: true,
+          onClick: () => {
+            if (row.problem.contest_id) {
+              router.push(
+                "/contest/" +
+                  row.problem.contest_id +
+                  "/problem/" +
+                  row.problem.display_id,
+              )
+            } else {
+              router.push("/problem/" + row.problem.display_id)
+            }
+          },
+        },
+        () => {
+          if (row.problem.contest_id) {
+            return h(TagTitle, { problem: row.problem })
+          } else {
+            return row.problem.display_id + " " + row.problem.title
+          }
+        },
+      ),
+  },
+  {
+    title: () => (class_name ? "班级排名" : "全服排名"),
+    key: "rank",
+    width: 100,
+    align: "center",
+    render: (row) => row.rank + " / " + row.ac_count,
+  },
+  {
+    title: "等级",
+    key: "grade",
+    width: 100,
+    align: "center",
+  },
+]
+
+const options: SelectOption[] = [
+  { label: "一节课内", value: "hours:1" },
+  { label: "两节课内", value: "hours:2" },
+  { label: "一天内", value: "days:1" },
+  { label: "一周内", value: "weeks:1" },
+  { label: "一个月内", value: "months:1" },
+  { label: "两个月内", value: "months:2" },
+  { label: "半年内", value: "months:6" },
+  { label: "一年内", value: "years:1" },
+]
+
+const subOptions = computed<Duration>(() => {
+  let dur = options.find((it) => it.value === duration.value) ?? options[0]
+  const x = dur.value!.toString().split(":")
+  const unit = x[0]
+  const n = x[1]
+  return { [unit]: parseInt(n) } as Duration
+})
+
+function updateRange() {
+  const current = new Date()
+  end.value = formatISO(current)
+  start.value = formatISO(sub(current, subOptions.value))
+}
+
+async function getDetail() {
+  detailLoading.value = true
+  const res = await getAIDetailData(start.value, end.value, username.value)
+  detailLoading.value = false
+
+  startLabel.value = res.data.start
+  endLabel.value = res.data.end
+  solvedProblems.value = res.data.solved
+  grade.value = res.data.grade
+  class_name.value = res.data.class_name
+  tags.value = res.data.tags
+  difficulty.value = res.data.difficulty
+  contest_count.value = res.data.contest_count
+}
+
+const weeklyData = ref<WeeklyData[]>([])
+
+async function getWeeklyData() {
+  weeklyLoading.value = true
+  const res = await getAIWeeklyData(end.value, duration.value, username.value)
+  weeklyData.value = res.data
+  weeklyLoading.value = false
+}
+
+function init() {
+  updateRange()
+  getDetail()
+  getWeeklyData()
+}
+watch(duration, init, { immediate: true })
+</script>
+<style scoped>
+.charming {
+  font-size: 1.2rem;
+}
+</style>
diff --git a/src/oj/ai/components/DifficultyChart.vue b/src/oj/ai/components/DifficultyChart.vue
new file mode 100644
index 0000000..e059824
--- /dev/null
+++ b/src/oj/ai/components/DifficultyChart.vue
@@ -0,0 +1,58 @@
+<template>
+  <div class="chart" v-if="show">
+    <Bar :data="data" :options="options" />
+  </div>
+</template>
+<script setup lang="ts">
+import { Bar } from "vue-chartjs"
+
+const props = defineProps<{
+  difficulty: { [key: string]: number }
+}>()
+
+const show = computed(() => {
+  return Object.values(props.difficulty).reduce((a, b) => a + b, 0) > 0
+})
+
+const data = computed(() => {
+  return {
+    labels: Object.keys(props.difficulty),
+    datasets: [
+      {
+        data: Object.values(props.difficulty),
+        backgroundColor: ["#FF6384", "#36A2EB", "#FFCE56"],
+      },
+    ],
+  }
+})
+
+const options = {
+  interaction: {
+    intersect: false,
+  },
+  maintainAspectRatio: false,
+  y: {
+    ticks: {
+      stepSize: 1,
+    },
+  },
+  plugins: {
+    legend: {
+      display: false,
+    },
+    title: {
+      text: "题目的难度统计",
+      display: true,
+      font: {
+        size: 20,
+      },
+    },
+  },
+}
+</script>
+<style scoped>
+.chart {
+  height: 300px;
+  width: 300px;
+}
+</style>
diff --git a/src/oj/ai/components/Grade.vue b/src/oj/ai/components/Grade.vue
new file mode 100644
index 0000000..3c9773d
--- /dev/null
+++ b/src/oj/ai/components/Grade.vue
@@ -0,0 +1,31 @@
+<template>
+  <img src="/S.png" alt="S Grade" v-if="props.grade === 'S'" />
+  <img src="/A.png" alt="A Grade" v-if="props.grade === 'A'" />
+  <img src="/B.png" alt="B Grade" v-if="props.grade === 'B'" />
+  <img src="/C.png" alt="C Grade" v-if="props.grade === 'C'" />
+</template>
+<script setup lang="ts">
+const props = defineProps<{
+  grade: "S" | "A" | "B" | "C"
+}>()
+</script>
+<style scoped>
+img {
+  animation: shake 0.5s infinite;
+  width: 30px;
+  height: 30px;
+  margin: 0 10px -10px;
+}
+
+@keyframes shake {
+  0% {
+    transform: translateY(0) scale(1);
+  }
+  50% {
+    transform: translateY(-10px) scale(1.1);
+  }
+  100% {
+    transform: translateY(0) scale(1);
+  }
+}
+</style>
diff --git a/src/oj/ai/components/TagTitle.vue b/src/oj/ai/components/TagTitle.vue
new file mode 100644
index 0000000..48d91e3
--- /dev/null
+++ b/src/oj/ai/components/TagTitle.vue
@@ -0,0 +1,21 @@
+<template>
+  <n-flex vertical align="start">
+    <n-flex align="center">
+      <n-tag type="info" size="small" :bordered="false">比赛</n-tag>
+      <span>{{ problem.contest_title }}</span>
+    </n-flex>
+    <span>{{ problem.display_id }} {{ problem.title }}</span>
+  </n-flex>
+</template>
+<script setup lang="ts">
+interface Props {
+  problem: {
+    title: string
+    display_id: string
+    contest_title: string
+    contest_id: number
+  }
+}
+
+const props = defineProps<Props>()
+</script>
diff --git a/src/oj/ai/components/TagsChart.vue b/src/oj/ai/components/TagsChart.vue
new file mode 100644
index 0000000..f05c25b
--- /dev/null
+++ b/src/oj/ai/components/TagsChart.vue
@@ -0,0 +1,57 @@
+<template>
+  <div class="chart" v-if="show">
+    <Pie :data="data" :options="options" />
+  </div>
+</template>
+<script setup lang="ts">
+import { Pie } from "vue-chartjs"
+const props = defineProps<{
+  tags: { [key: string]: number }
+}>()
+
+const show = computed(() => {
+  return Object.keys(props.tags).length > 0
+})
+
+const data = computed(() => {
+  return {
+    labels: Object.keys(props.tags),
+    datasets: [
+      {
+        data: Object.values(props.tags),
+        backgroundColor: [
+          "#FF6384",
+          "#36A2EB",
+          "#FFCE56",
+          "#4BC0C0",
+          "#9966FF",
+        ],
+      },
+    ],
+  }
+})
+
+const options = computed(() => {
+  return {
+    interaction: {
+      intersect: false,
+    },
+    maintainAspectRatio: false,
+    plugins: {
+      title: {
+        text: `题目的标签分布（前${Object.keys(props.tags).length}个）`,
+        display: true,
+        font: {
+          size: 20,
+        },
+      },
+    },
+  }
+})
+</script>
+<style scoped>
+.chart {
+  height: 300px;
+  width: 300px;
+}
+</style>
diff --git a/src/oj/ai/components/WeeklyChart.vue b/src/oj/ai/components/WeeklyChart.vue
new file mode 100644
index 0000000..0e0eb28
--- /dev/null
+++ b/src/oj/ai/components/WeeklyChart.vue
@@ -0,0 +1,126 @@
+<template>
+  <div class="chart">
+    <Chart type="bar" :data="data" :options="options" />
+  </div>
+</template>
+<script setup lang="ts">
+import type { ChartData, ChartOptions, TooltipItem } from "chart.js"
+import { Chart } from "vue-chartjs"
+import { parseTime } from "~/utils/functions"
+import { WeeklyData } from "~/utils/types"
+
+const props = defineProps<{
+  weeklyData: WeeklyData[]
+  duration: string
+}>()
+
+const gradeOrder = ["C", "B", "A", "S"] as const
+
+const title = computed(() => {
+  if (props.duration === "months:2") {
+    return "过去两个月的每周综合情况一览图"
+  } else if (props.duration === "months:6") {
+    return "过去半年的每月综合情况一览图"
+  } else if (props.duration === "years:1") {
+    return "过去一年的每月综合情况一览图"
+  } else {
+    return "过去四周的综合情况一览图"
+  }
+})
+
+const data = computed<ChartData<"bar" | "line">>(() => {
+  return {
+    labels: props.weeklyData.map((weekly) => {
+      let prefix = "周"
+      if (weekly.unit === "months") {
+        prefix = "月"
+      }
+
+      return [
+        parseTime(weekly.start, "M月D日"),
+        parseTime(weekly.end, "M月D日"),
+      ].join("～")
+    }),
+    datasets: [
+      {
+        type: "bar",
+        label: "完成题目数量",
+        data: props.weeklyData.map((weekly) => weekly.problem_count),
+        yAxisID: "y",
+      },
+      {
+        type: "bar",
+        label: "总提交次数",
+        data: props.weeklyData.map((weekly) => weekly.submission_count),
+        yAxisID: "y",
+      },
+      {
+        type: "line",
+        label: "等级",
+        data: props.weeklyData.map((weekly) =>
+          gradeOrder.indexOf(weekly.grade || "C"),
+        ),
+        tension: 0.4,
+        yAxisID: "y1",
+        barThickness: 10,
+      },
+    ],
+  }
+})
+
+const options = computed<ChartOptions<"bar" | "line">>(() => {
+  return {
+    interaction: {
+      intersect: false,
+    },
+    maintainAspectRatio: false,
+    scales: {
+      y: {
+        ticks: {
+          stepSize: 1,
+        },
+      },
+      y1: {
+        type: "linear",
+        position: "right",
+        min: -1,
+        max: gradeOrder.length,
+        ticks: {
+          stepSize: 1,
+          callback: (v) => {
+            const idx = Number(v)
+            return gradeOrder[idx] || ""
+          },
+        },
+      },
+    },
+    plugins: {
+      title: {
+        text: title.value,
+        display: true,
+        font: {
+          size: 20,
+        },
+      },
+      tooltip: {
+        callbacks: {
+          label: (ctx: TooltipItem<"bar">) => {
+            const dsLabel = ctx.dataset.label || ""
+            if ((ctx.dataset as any).yAxisID === "y1") {
+              const idx = Number(ctx.parsed.y)
+              return `${dsLabel}: ${gradeOrder[idx] || ""}`
+            }
+            return `${dsLabel}: ${ctx.formattedValue}`
+          },
+        },
+      },
+    },
+  }
+})
+</script>
+<style scoped>
+.chart {
+  height: 300px;
+  width: 100%;
+}
+</style>
diff --git a/src/oj/api.ts b/src/oj/api.ts
index fca4b7e..f18d29e 100644
--- a/src/oj/api.ts
+++ b/src/oj/api.ts
@@ -90,7 +90,7 @@ export function getSubmissions(params: SubmissionListPayload) {
 }
 
 export function getRankOfProblem(problem_id: string) {
-  return http.get("user_problem_rank", { params: {problem_id: problem_id} })
+  return http.get("user_problem_rank", { params: { problem_id: problem_id } })
 }
 
 export function getTodaySubmissionCount() {
@@ -244,3 +244,19 @@ export function getTutorial(id: number) {
 export function getTutorials() {
   return http.get("tutorials")
 }
+
+export function getAIDetailData(start: string, end: string, username?: string) {
+  return http.get("ai/detail", { params: { start, end, username } })
+}
+
+export function getAIWeeklyData(
+  end: string,
+  duration: string,
+  username?: string,
+) {
+  return http.get("ai/weekly", { params: { end, duration, username } })
+}
+
+export function getAIAnalysis() {
+  return http.get("ai/analysis")
+}
diff --git a/src/oj/problem/components/ProblemSubmission.vue b/src/oj/problem/components/ProblemSubmission.vue
index eaebbdb..0b5f9f3 100644
--- a/src/oj/problem/components/ProblemSubmission.vue
+++ b/src/oj/problem/components/ProblemSubmission.vue
@@ -66,6 +66,7 @@ const class_name = ref("")
 const rank = ref(-1)
 const class_ac_count = ref(0)
 const all_ac_count = ref(0)
+const loading = ref(false)
 
 const submissions = ref<Submission[]>([])
 const total = ref(0)
@@ -82,7 +83,8 @@ const showList = computed(() => {
 
 const errorMsg = computed(() => {
   if (!userStore.isAuthed) return "请先登录"
-  else if (!configStore.config.submission_list_show_all) return "不让看了"
+  else if (!configStore.config.submission_list_show_all)
+    return "提交列表已被管理员关闭"
   else return ""
 })
 
@@ -100,7 +102,10 @@ async function listSubmissions() {
 }
 
 async function getRankOfThisProblem() {
+  loading.value = true
   const res = await getRankOfProblem(<string>route.params.problemID ?? "")
+  loading.value = false
+
   class_name.value = res.data.class_name
   rank.value = res.data.rank
   class_ac_count.value = res.data.class_ac_count
@@ -114,8 +119,9 @@ onMounted(() => {
 watch(query, listSubmissions)
 </script>
 <template>
-  <n-alert type="error" v-if="!showList" :title="errorMsg" />
-  <template v-if="route.name === 'problem'">
+  <n-alert class="tip" type="error" v-if="!showList" :title="errorMsg" />
+
+  <template v-if="!loading && route.name === 'problem' && userStore.isAuthed">
     <template v-if="class_name">
       <n-alert class="tip" type="success" :show-icon="false" v-if="rank !== -1">
         <template #header>
@@ -125,6 +131,7 @@ watch(query, listSubmissions)
               >，你们班共有 <b>{{ class_ac_count }}</b> 人答案正确
             </div>
             <n-button
+              v-if="showList"
               @click="
                 router.push({
                   name: 'submissions',
@@ -152,6 +159,8 @@ watch(query, listSubmissions)
               共有 <b>{{ class_ac_count }}</b> 人答案正确
             </div>
             <n-button
+              v-if="showList"
+              secondary
               @click="
                 router.push({
                   name: 'submissions',
@@ -182,6 +191,7 @@ watch(query, listSubmissions)
             <div></div>
             <n-button
               secondary
+              v-if="showList"
               @click="
                 router.push({
                   name: 'submissions',
@@ -203,9 +213,12 @@ watch(query, listSubmissions)
         <template #header>
           <n-flex align="center">
             <div>
-              本道题你还没有解决，全服共有 <b>{{ all_ac_count }}</b> 人答案正确
+              本道题你还没有解决，全服共有
+              <b>{{ all_ac_count }}</b> 人答案正确
             </div>
             <n-button
+              v-if="showList"
+              secondary
               @click="
                 router.push({
                   name: 'submissions',
@@ -225,6 +238,7 @@ watch(query, listSubmissions)
       </n-alert>
     </template>
   </template>
+
   <template v-if="showList">
     <n-data-table striped :columns="columns" :data="submissions" />
     <Pagination
diff --git a/src/oj/submission/components/StatisticsPanel.vue b/src/oj/submission/components/StatisticsPanel.vue
index 3b642d0..d103c77 100644
--- a/src/oj/submission/components/StatisticsPanel.vue
+++ b/src/oj/submission/components/StatisticsPanel.vue
@@ -65,7 +65,6 @@
         <n-button type="warning" @click="toggleUnaccepted(!unaccepted)">
           {{ unaccepted ? "隐藏没有完成的" : "显示没有完成的" }}
         </n-button>
-        <n-button @click="copyUnaccepted">手动复制到微信群</n-button>
       </n-flex>
     </n-space>
     <n-h1 v-if="count.total === 0">
@@ -73,8 +72,8 @@
     </n-h1>
     <n-space v-if="unaccepted" size="large">
       <n-h1>这{{ listUnaccepted.length }}位没有完成：</n-h1>
-      <n-h1 v-for="item in listUnaccepted" :key="item">
-        {{ removeClassname(item) }}
+      <n-h1 v-for="name in listUnaccepted" :key="name">
+        {{ name }}
       </n-h1>
       <n-text v-if="message">{{ message }}</n-text>
     </n-space>
@@ -159,20 +158,4 @@ async function handleStatistics() {
   toggleUnaccepted(false)
   message.value = ""
 }
-
-function removeClassname(name: string) {
-  if (name.startsWith("ks")) {
-    return name.slice(5)
-  }
-  return name
-}
-
-function copyUnaccepted() {
-  const grade = query.username.slice(2, 4)
-  const classname = query.username.slice(4, 5)
-  const prefix = `${grade}计算机${classname}班${query.problem}这道题有${listUnaccepted.value.length}人没有完成，分别是：`
-  const names = listUnaccepted.value.map(removeClassname).join("、")
-  const suffix = "。请以上同学尽快完成！"
-  message.value = prefix + names + suffix
-}
 </script>
diff --git a/src/routes.ts b/src/routes.ts
index 9d31d06..8501862 100644
--- a/src/routes.ts
+++ b/src/routes.ts
@@ -95,6 +95,12 @@ export const ojs: RouteRecordRaw = {
       component: () => import("oj/learn/index.vue"),
       props: true,
     },
+    {
+      path: "ai-analysis",
+      component: () => import("oj/ai/analysis.vue"),
+      meta: { requiresAuth: true },
+      beforeEnter: loadChart,
+    },
   ],
 }
 
diff --git a/src/shared/components/Header.vue b/src/shared/components/Header.vue
index 8240451..c6e89c3 100644
--- a/src/shared/components/Header.vue
+++ b/src/shared/components/Header.vue
@@ -123,11 +123,19 @@ const options: Array<DropdownOption | DropdownDividerOption> = [
   {
     label: "我的设置",
     key: "setting",
-    icon: renderIcon("streamline-emojis:robot-face-1"),
+    icon: renderIcon("streamline-emojis:ferris-wheel"),
     props: {
       onClick: () => router.push("/setting"),
     },
   },
+  {
+    label: "智能分析",
+    key: "ai-analysis",
+    icon: renderIcon("streamline-emojis:floppy-disk"),
+    props: {
+      onClick: () => router.push("/ai-analysis"),
+    },
+  },
   { type: "divider" },
   {
     label: "退出",
diff --git a/src/shared/composables/chart.ts b/src/shared/composables/chart.ts
index e5eb8f9..6b74df6 100644
--- a/src/shared/composables/chart.ts
+++ b/src/shared/composables/chart.ts
@@ -8,6 +8,8 @@ import {
   LinearScale,
   Title,
   Tooltip,
+  LineElement,
+  PointElement,
 } from "chart.js"
 
 const [isLoaded] = useToggle()
@@ -19,6 +21,8 @@ export function loadChart() {
     LinearScale,
     BarElement,
     ArcElement,
+    LineElement,
+    PointElement,
     Colors,
     Title,
     Tooltip,
diff --git a/src/utils/types.ts b/src/utils/types.ts
index 8dca87b..a450818 100644
--- a/src/utils/types.ts
+++ b/src/utils/types.ts
@@ -388,3 +388,13 @@ export interface Tutorial {
   updated_at?: Date
   created_at?: Date
 }
+
+export interface WeeklyData {
+  unit: string
+  index: number
+  start: string
+  end: string
+  grade: "S" | "A" | "B" | "C"
+  problem_count: number
+  submission_count: number
+}