fix

2026-03-18 20:07:00 +08:00 · 2026-03-18 20:01:53 +08:00 · 2026-03-18 19:57:00 +08:00 · 2026-03-18 19:50:55 +08:00 · 2026-03-18 19:46:33 +08:00 · 2026-03-18 18:40:15 +08:00
27 changed files with 2104 additions and 390 deletions
--- a/.env.production
+++ b/.env.production
@@ -2,3 +2,4 @@ PUBLIC_WEB_URL=https://web.xuyue.cc
 PUBLIC_ADMIN_URL=https://web.xuyue.cc/admin
 PUBLIC_BASE_URL=https://web.xuyue.cc/api
 PUBLIC_MAXKB_URL=https://maxkb.xuyue.cc/chat/api/embed?protocol=https&host=maxkb.xuyue.cc&token=df542e305f27dee6
+PUBLIC_ICONIFY_URL=https://icon.xuyue.cc
--- a/.gitignore
+++ b/.gitignore
@@ -11,6 +11,7 @@ node_modules
 dist
 dist-ssr
 *.local
+components.d.ts

 # Editor directories and files
 .vscode/*
--- a/components.d.ts
+++ b/components.d.ts
@@ -1,57 +0,0 @@
-/* eslint-disable */
-// @ts-nocheck
-// biome-ignore lint: disable
-// oxlint-disable
-// ------
-// Generated by unplugin-vue-components
-// Read more: https://github.com/vuejs/core/pull/3399
-
-export {}
-
-/* prettier-ignore */
-declare module 'vue' {
-  export interface GlobalComponents {
-    Challenge: typeof import('./src/components/Challenge.vue')['default']
-    Editor: typeof import('./src/components/Editor.vue')['default']
-    Editors: typeof import('./src/components/Editors.vue')['default']
-    Login: typeof import('./src/components/Login.vue')['default']
-    MarkdownEditor: typeof import('./src/components/dashboard/MarkdownEditor.vue')['default']
-    NAlert: typeof import('naive-ui')['NAlert']
-    NButton: typeof import('naive-ui')['NButton']
-    NCard: typeof import('naive-ui')['NCard']
-    NCode: typeof import('naive-ui')['NCode']
-    NConfigProvider: typeof import('naive-ui')['NConfigProvider']
-    NDataTable: typeof import('naive-ui')['NDataTable']
-    NDialogProvider: typeof import('naive-ui')['NDialogProvider']
-    NDropdown: typeof import('naive-ui')['NDropdown']
-    NEmpty: typeof import('naive-ui')['NEmpty']
-    NFlex: typeof import('naive-ui')['NFlex']
-    NForm: typeof import('naive-ui')['NForm']
-    NFormItem: typeof import('naive-ui')['NFormItem']
-    NGi: typeof import('naive-ui')['NGi']
-    NGrid: typeof import('naive-ui')['NGrid']
-    NInput: typeof import('naive-ui')['NInput']
-    NMessageProvider: typeof import('naive-ui')['NMessageProvider']
-    NModal: typeof import('naive-ui')['NModal']
-    NModalProvider: typeof import('naive-ui')['NModalProvider']
-    NPagination: typeof import('naive-ui')['NPagination']
-    NPopover: typeof import('naive-ui')['NPopover']
-    NRate: typeof import('naive-ui')['NRate']
-    NSpin: typeof import('naive-ui')['NSpin']
-    NSplit: typeof import('naive-ui')['NSplit']
-    NTab: typeof import('naive-ui')['NTab']
-    NTabPane: typeof import('naive-ui')['NTabPane']
-    NTabs: typeof import('naive-ui')['NTabs']
-    NTag: typeof import('naive-ui')['NTag']
-    NText: typeof import('naive-ui')['NText']
-    Preview: typeof import('./src/components/Preview.vue')['default']
-    PromptPanel: typeof import('./src/components/PromptPanel.vue')['default']
-    RouterLink: typeof import('vue-router')['RouterLink']
-    RouterView: typeof import('vue-router')['RouterView']
-    Task: typeof import('./src/components/Task.vue')['default']
-    TaskTitle: typeof import('./src/components/submissions/TaskTitle.vue')['default']
-    Toolbar: typeof import('./src/components/Toolbar.vue')['default']
-    Tutorial: typeof import('./src/components/Tutorial.vue')['default']
-    UserActions: typeof import('./src/components/dashboard/UserActions.vue')['default']
-  }
-}
--- a/public/tailwindcss.min.js
+++ b/public/tailwindcss.min.js
--- a/src/App.vue
+++ b/src/App.vue
@@ -8,10 +8,14 @@ import { STORAGE_KEY } from "./utils/const"
 import hljs from "highlight.js/lib/core"

 onMounted(async () => {
+  try {
    const data = await Account.getMyProfile()
    user.loaded = true
    user.username = data.username
    user.role = data.role
+  } catch {
+    user.loaded = true
+  }
 })

 watch(authed, (v) => {
--- a/src/api.ts
+++ b/src/api.ts
@@ -1,6 +1,13 @@
 import axios from "axios"
 import { router } from "./router"
-import type { TutorialIn, ChallengeIn } from "./utils/type"
+import type {
+  TutorialIn,
+  ChallengeIn,
+  FlagType,
+  SubmissionOut,
+  PromptMessage,
+  TaskStatsOut,
+} from "./utils/type"
 import { BASE_URL, STORAGE_KEY } from "./utils/const"

 const http = axios.create({
@@ -67,6 +74,18 @@ export const Account = {
    const res = await http.post("/account/batch", payload)
    return res.data
  },
+
+  async listClasses(): Promise<string[]> {
+    const res = await http.get("/account/classes")
+    return res.data
+  },
+
+  async listNamesByClass(
+    classname: string,
+  ): Promise<{ name: string; username: string }[]> {
+    const res = await http.get("/account/names", { params: { classname } })
+    return res.data
+  },
 }

 export const Tutorial = {
@@ -151,22 +170,70 @@ export const Submission = {
    return res.data
  },

-  async list(query: { page: number }) {
+  async list(query: {
+    page: number
+    page_size?: number
+    username?: string
+    user_id?: number
+    flag?: string | null
+    task_id?: number
+    task_type?: string
+    score_min?: number
+    score_max_exclusive?: number
+    score_lt_threshold?: number
+    nominated?: boolean
+    ordering?: string
+    grouped?: boolean
+  }) {
    const res = await http.get("/submission", {
      params: query,
    })
    return res.data
  },

+  async listByUserTask(userId: number, taskId: number) {
+    const res = await http.get("/submission/by-user-task", {
+      params: { user_id: userId, task_id: taskId },
+    })
+    return res.data as SubmissionOut[]
+  },
+
  async get(id: string) {
    const res = await http.get("/submission/" + id)
    return res.data
  },

+  async delete(id: string) {
+    const res = await http.delete("/submission/" + id)
+    return res.data
+  },
+
  async updateScore(id: string, score: number) {
    const res = await http.put(`/submission/${id}/score`, { score })
    return res.data
  },
+
+  async updateFlag(id: string, flag: FlagType) {
+    const res = await http.put(`/submission/${id}/flag`, { flag })
+    return res.data
+  },
+
+  async clearAllFlags() {
+    const res = await http.delete(`/submission/flags`)
+    return res.data as { cleared: number }
+  },
+
+  async nominate(id: string) {
+    const res = await http.put(`/submission/${id}/nominate`)
+    return res.data as { nominated: boolean }
+  },
+
+  async getStats(taskId: number, classname?: string): Promise<TaskStatsOut> {
+    const params: Record<string, string | number> = {}
+    if (classname) params.classname = classname
+    const res = await http.get(`/submission/stats/${taskId}`, { params })
+    return res.data as TaskStatsOut
+  },
 }

 export const Prompt = {
@@ -177,9 +244,11 @@ export const Prompt = {
    return (await http.get("/prompt/conversations/", { params })).data
  },

-  async getMessages(conversationId: string) {
+  async getMessages(conversationId: string): Promise<PromptMessage[]> {
    return (
-      await http.get(`/prompt/conversations/${conversationId}/messages/`)
+      await http.get<PromptMessage[]>(
+        `/prompt/conversations/${conversationId}/messages/`,
+      )
    ).data
  },
 }
--- a/src/components/Editors.vue
+++ b/src/components/Editors.vue
@@ -62,7 +62,7 @@
        <n-flex align="center">
          <span class="label">预加载</span>
          <n-tag type="success">Normalize.css</n-tag>
-          <n-tag type="success">jQuery</n-tag>
+          <n-tag type="success">Tailwind CSS</n-tag>
        </n-flex>
      </n-flex>
    </n-tab-pane>
@@ -86,6 +86,7 @@ import Editor from "./Editor.vue"
 import Toolbar from "./Toolbar.vue"
 import { html, css, js, tab, size, reset } from "../store/editors"
 import { taskId } from "../store/task"
+import { conversationId } from "../store/prompt"
 import { Submission } from "../api"
 import { NCode, useDialog, useMessage } from "naive-ui"
 import { h, ref } from "vue"
@@ -145,6 +146,7 @@ async function doSubmit() {
      html: html.value,
      css: css.value,
      js: js.value,
+      conversationId: conversationId.value || undefined,
    })
    message.success("提交成功")
  } catch (err) {
--- a/src/components/Login.vue
+++ b/src/components/Login.vue
@@ -2,62 +2,219 @@
  <n-modal
    preset="card"
    title="登录"
-    style="width: 400px"
+    style="width: 420px"
    v-model:show="loginModal"
  >
+    <n-tabs v-model:value="activeTab" @update:value="onTabChange">
+      <n-tab-pane name="student" tab="学生登录">
        <n-form>
-      <n-form-item label="用户名">
-        <n-input v-model:value="name" name="username"></n-input>
+          <n-form-item label="班级">
+            <n-select
+              v-model:value="selectedClass"
+              :options="classOptions"
+              placeholder="选择班级"
+              :loading="classesLoading"
+              @update:value="onClassChange"
+            />
+          </n-form-item>
+          <n-form-item label="姓名">
+            <n-select
+              v-model:value="selectedUsername"
+              :options="nameOptions"
+              placeholder="选择姓名"
+              :loading="namesLoading"
+              :disabled="!selectedClass || namesLoading"
+            />
          </n-form-item>
          <n-form-item label="密码">
            <n-input
              type="password"
-          v-model:value="password"
+              v-model:value="studentPassword"
              name="password"
-        ></n-input>
+            />
          </n-form-item>
          <n-alert
            type="error"
-        v-if="showMessage"
+            v-if="classesError"
+            class="message"
+            title="加载班级列表失败，请刷新重试"
+          />
+          <n-alert
+            type="error"
+            v-if="namesError"
+            class="message"
+            title="加载姓名列表失败，请重新选择班级"
+          />
+          <n-alert
+            type="error"
+            v-if="showStudentError"
+            class="message"
+            title="登录失败，请检查密码"
+          />
+          <n-button
+            block
+            type="primary"
+            :loading="studentLoading"
+            :disabled="!selectedClass || !selectedUsername || !studentPassword"
+            @click="submitStudent"
+          >
+            登录
+          </n-button>
+        </n-form>
+      </n-tab-pane>
+
+      <n-tab-pane name="admin" tab="管理员登录">
+        <n-form>
+          <n-form-item label="用户名">
+            <n-input v-model:value="adminName" name="username" />
+          </n-form-item>
+          <n-form-item label="密码">
+            <n-input
+              type="password"
+              v-model:value="adminPassword"
+              name="password"
+            />
+          </n-form-item>
+          <n-alert
+            type="error"
+            v-if="showAdminError"
            class="message"
            title="登录失败，请检查用户名和密码"
-      ></n-alert>
-      <n-flex>
-        <n-button block :loading="loading" @click="submit" type="primary"
-          >登录</n-button
+          />
+          <n-button
+            block
+            type="primary"
+            :loading="adminLoading"
+            :disabled="!adminName || !adminPassword"
+            @click="submitAdmin"
          >
-      </n-flex>
+            登录
+          </n-button>
        </n-form>
+      </n-tab-pane>
+    </n-tabs>
  </n-modal>
 </template>
+
 <script lang="ts" setup>
-import { ref } from "vue"
+import { ref, computed, onMounted } from "vue"
 import { Account } from "../api"
 import { loginModal } from "../store/modal"
 import { user } from "../store/user"

-const name = ref("")
-const password = ref("")
-const loading = ref(false)
-const showMessage = ref(false)
+// Tab state
+const activeTab = ref("student")

-async function submit() {
-  loading.value = true
+// Student tab state
+const selectedClass = ref<string | null>(null)
+const selectedUsername = ref<string | null>(null)
+const studentPassword = ref("")
+const studentLoading = ref(false)
+const showStudentError = ref(false)
+
+// Classes data
+const classes = ref<string[]>([])
+const classesLoading = ref(false)
+const classesError = ref(false)
+const classOptions = computed(() =>
+  classes.value.map((c) => ({ label: c, value: c })),
+)
+
+// Names data
+const names = ref<{ name: string; username: string }[]>([])
+const namesLoading = ref(false)
+const namesError = ref(false)
+const nameOptions = computed(() =>
+  names.value.map((n) => ({ label: n.name, value: n.username })),
+)
+
+// Admin tab state
+const adminName = ref("")
+const adminPassword = ref("")
+const adminLoading = ref(false)
+const showAdminError = ref(false)
+
+// Load classes on mount (cached — not reloaded on tab switch)
+onMounted(async () => {
+  classesLoading.value = true
+  classesError.value = false
  try {
-    const data = await Account.login(name.value, password.value)
+    classes.value = await Account.listClasses()
+  } catch {
+    classesError.value = true
+  } finally {
+    classesLoading.value = false
+  }
+})
+
+function onTabChange() {
+  // Reset student tab state
+  selectedClass.value = null
+  selectedUsername.value = null
+  studentPassword.value = ""
+  showStudentError.value = false
+  namesError.value = false
+  names.value = []
+  // Reset admin tab state
+  adminName.value = ""
+  adminPassword.value = ""
+  showAdminError.value = false
+}
+
+async function onClassChange(classname: string) {
+  selectedUsername.value = null
+  names.value = []
+  namesError.value = false
+  namesLoading.value = true
+  try {
+    names.value = await Account.listNamesByClass(classname)
+  } catch {
+    namesError.value = true
+  } finally {
+    namesLoading.value = false
+  }
+}
+
+async function submitStudent() {
+  if (!selectedUsername.value || !studentPassword.value) return
+  studentLoading.value = true
+  showStudentError.value = false
+  try {
+    const data = await Account.login(
+      selectedUsername.value,
+      studentPassword.value,
+    )
    user.username = data.username
    user.role = data.role
    user.loaded = true
    loginModal.value = false
-    loading.value = false
-  } catch (err) {
-    showMessage.value = true
-    loading.value = false
+  } catch {
+    showStudentError.value = true
+  } finally {
+    studentLoading.value = false
+  }
+}
+
+async function submitAdmin() {
+  if (!adminName.value || !adminPassword.value) return
+  adminLoading.value = true
+  showAdminError.value = false
+  try {
+    const data = await Account.login(adminName.value, adminPassword.value)
+    user.username = data.username
+    user.role = data.role
+    user.loaded = true
+    loginModal.value = false
+  } catch {
+    showAdminError.value = true
+  } finally {
+    adminLoading.value = false
  }
 }
 </script>
+
 <style scoped>
 .message {
-  margin-bottom: 20px;
+  margin-bottom: 12px;
 }
 </style>
--- a/src/components/Preview.vue
+++ b/src/components/Preview.vue
@@ -5,15 +5,20 @@
      <n-button quaternary @click="download" :disabled="!showDL">下载</n-button>
      <n-button quaternary @click="open">全屏</n-button>
      <n-button quaternary v-if="props.clearable" @click="clear">清空</n-button>
-      <n-button quaternary v-if="props.showCodeButton" @click="emits('showCode')">查看代码</n-button>
+      <n-button
+        quaternary
+        v-if="props.showCodeButton"
+        @click="emits('showCode')"
+        >代码</n-button
+      >
      <n-button quaternary v-if="props.submissionId" @click="copyLink">
-        复制链接
+        链接
      </n-button>
      <n-flex v-if="!!submission.id">
-        <n-button quaternary @click="emits('showCode')">查看代码</n-button>
+        <n-button quaternary @click="emits('showCode')">代码</n-button>
        <n-popover v-if="submission.my_score === 0">
          <template #trigger>
-            <n-button secondary type="primary">手动打分</n-button>
+            <n-button secondary type="primary">打分</n-button>
          </template>
          <n-rate :size="30" @update:value="updateScore" />
        </n-popover>
@@ -59,11 +64,11 @@ function getContent() {
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <style>${props.css}</style>
    <link rel="stylesheet" href="/normalize.min.css" />
-    <script src="/jquery.min.js"><\/script>
+    <script src="/tailwindcss.min.js"><\/script>
  </head>
  <body>
    ${props.html}
-    <script type="module">${props.js}<\/script>
+    <script>${props.js}<\/script>
  </body>
 </html>`
 }
--- a/src/components/PromptPanel.vue
+++ b/src/components/PromptPanel.vue
@@ -1,13 +1,25 @@
 <template>
  <div class="prompt-panel">
    <div class="messages" ref="messagesRef">
+      <div v-if="historyLoading" class="history-loading">
+        <n-spin size="small" />
+        <span>加载历史记录…</span>
+      </div>
      <div v-for="(msg, i) in messages" :key="i" :class="['message', msg.role]">
-        <div class="message-role">{{ msg.role === 'user' ? '我' : 'AI' }}</div>
+        <div class="message-role">{{ msg.role === "user" ? "我" : "AI" }}</div>
        <div class="message-content" v-html="renderContent(msg)"></div>
      </div>
      <div v-if="streaming" class="message assistant">
        <div class="message-role">AI</div>
-        <div class="message-content" v-html="renderMarkdown(streamingContent)"></div>
+        <div v-if="!streamingContent" class="typing-indicator">
+          <span></span><span></span><span></span>
+        </div>
+        <div
+          v-else
+          class="message-content"
+          v-html="renderMarkdown(streamingContent)"
+        ></div>
+        <div class="streaming-hint">AI 正在思考中…</div>
      </div>
    </div>
    <div class="input-area">
@@ -20,7 +32,12 @@
        @keydown.enter.exact.prevent="send"
      />
      <n-flex justify="space-between" align="center" style="margin-top: 8px">
-        <n-button text size="small" @click="newConversation" :disabled="streaming">
+        <n-button
+          text
+          size="small"
+          @click="newConversation"
+          :disabled="streaming"
+        >
          新对话
        </n-button>
        <n-button
@@ -45,6 +62,7 @@ import {
  streamingContent,
  sendPrompt,
  newConversation,
+  historyLoading,
 } from "../store/prompt"

 const input = ref("")
@@ -58,10 +76,49 @@ function send() {
 }

 const renderer = new Renderer()
-renderer.code = function ({ text, lang }: { text: string; lang?: string }) {
-  const escape = (s: string) =>
-    s.replace(/&/g, "&amp;").replace(/</g, "&lt;").replace(/>/g, "&gt;").replace(/"/g, "&quot;")
-  return `<pre><code class="hljs${lang ? ` language-${escape(lang)}` : ""}">${text}</code></pre>`
+renderer.code = function ({ lang }: { text: string; lang?: string }) {
+  const label = lang ? lang.toUpperCase() : "CODE"
+  const colors: Record<
+    string,
+    { bg: string; fg: string; dot: string; border: string; shimmer: string }
+  > = {
+    html: {
+      bg: "#fff5f0",
+      fg: "#e05020",
+      dot: "#e05020",
+      border: "#f0d0c0",
+      shimmer: "#fff5f0, #ffeee5, #fff5f0",
+    },
+    css: {
+      bg: "#f0f0ff",
+      fg: "#6060d0",
+      dot: "#6060d0",
+      border: "#d0d0f0",
+      shimmer: "#f0f0ff, #e8e8fa, #f0f0ff",
+    },
+    js: {
+      bg: "#fffbf0",
+      fg: "#c0960a",
+      dot: "#c0960a",
+      border: "#f0e0b0",
+      shimmer: "#fffbf0, #fff5e0, #fffbf0",
+    },
+    javascript: {
+      bg: "#fffbf0",
+      fg: "#c0960a",
+      dot: "#c0960a",
+      border: "#f0e0b0",
+      shimmer: "#fffbf0, #fff5e0, #fffbf0",
+    },
+  }
+  const c = colors[(lang ?? "").toLowerCase()] ?? {
+    bg: "#f0f7ff",
+    fg: "#2080f0",
+    dot: "#2080f0",
+    border: "#e0eaf5",
+    shimmer: "#f0f7ff, #e8f4f8, #f0f7ff",
+  }
+  return `<div class="code-placeholder" style="background: linear-gradient(90deg, ${c.shimmer}); background-size: 200% 100%; border-color: ${c.border}"><span class="code-placeholder-dot" style="background: ${c.dot}"></span><span class="code-placeholder-label" style="color: ${c.fg}; background: ${c.fg}18">${label}</span><span class="code-placeholder-text">代码已自动应用到预览区</span></div>`
 }

 function renderMarkdown(text: string): string {
@@ -73,16 +130,13 @@ function renderContent(msg: { role: string; content: string }): string {
 }

 // Auto-scroll to bottom on new messages
-watch(
-  [() => messages.value.length, streamingContent],
-  () => {
+watch([() => messages.value.length, streamingContent], () => {
  nextTick(() => {
    if (messagesRef.value) {
      messagesRef.value.scrollTop = messagesRef.value.scrollHeight
    }
  })
-  }
-)
+})
 </script>

 <style scoped>
@@ -131,9 +185,112 @@ watch(
  font-size: 13px;
 }

+.message-content :deep(.code-placeholder) {
+  display: flex;
+  align-items: center;
+  gap: 8px;
+  padding: 10px 14px;
+  margin: 8px 0;
+  background: linear-gradient(90deg, #f0f7ff, #e8f4f8, #f0f7ff);
+  background-size: 200% 100%;
+  animation: shimmer 2s ease-in-out infinite;
+  border-radius: 6px;
+  border: 1px solid #e0eaf5;
+}
+
+.message-content :deep(.code-placeholder-dot) {
+  width: 8px;
+  height: 8px;
+  border-radius: 50%;
+  background: #2080f0;
+  animation: pulse 1.5s ease-in-out infinite;
+}
+
+.message-content :deep(.code-placeholder-label) {
+  font-size: 11px;
+  font-weight: 600;
+  padding: 1px 6px;
+  border-radius: 3px;
+}
+
+.message-content :deep(.code-placeholder-text) {
+  font-size: 12px;
+  color: #888;
+}
+
+@keyframes shimmer {
+  0% {
+    background-position: -200% 0;
+  }
+  100% {
+    background-position: 200% 0;
+  }
+}
+
+@keyframes pulse {
+  0%,
+  100% {
+    opacity: 0.4;
+  }
+  50% {
+    opacity: 1;
+  }
+}
+
+.typing-indicator {
+  display: flex;
+  gap: 5px;
+  padding: 8px 0;
+}
+
+.typing-indicator span {
+  width: 8px;
+  height: 8px;
+  border-radius: 50%;
+  background: #18a058;
+  animation: bounce 1.4s ease-in-out infinite;
+}
+
+.typing-indicator span:nth-child(2) {
+  animation-delay: 0.2s;
+}
+
+.typing-indicator span:nth-child(3) {
+  animation-delay: 0.4s;
+}
+
+@keyframes bounce {
+  0%,
+  60%,
+  100% {
+    transform: translateY(0);
+    opacity: 0.4;
+  }
+  30% {
+    transform: translateY(-6px);
+    opacity: 1;
+  }
+}
+
+.streaming-hint {
+  font-size: 11px;
+  color: #aaa;
+  margin-top: 4px;
+  animation: pulse 1.5s ease-in-out infinite;
+}
+
 .input-area {
  padding: 12px;
  border-top: 1px solid #e0e0e0;
 }

+.history-loading {
+  display: flex;
+  align-items: center;
+  gap: 8px;
+  padding: 12px;
+  color: #aaa;
+  font-size: 13px;
+  justify-content: center;
+}
 </style>
--- a/src/components/Task.vue
+++ b/src/components/Task.vue
@@ -38,7 +38,11 @@
        </template>
      </n-flex>
      <n-flex>
+        <n-button v-if="roleSuper" text @click="statsModal = true">
+          <Icon :width="16" icon="lucide:bar-chart-2"></Icon>
+        </n-button>
        <n-button
+          v-if="authed"
          text
          @click="$router.push({ name: 'submissions', params: { page: 1 } })"
        >
@@ -55,21 +59,24 @@
    <Tutorial v-if="taskTab === TASK_TYPE.Tutorial" ref="tutorialRef" />
    <Challenge v-else />
  </div>
+  <TaskStatsModal v-model:show="statsModal" :task-id="taskId" />
 </template>
 <script lang="ts" setup>
 import { Icon } from "@iconify/vue"
 import { computed, onMounted, ref } from "vue"
 import { step } from "../store/tutorial"
-import { roleSuper } from "../store/user"
-import { taskTab, challengeDisplay } from "../store/task"
+import { authed, roleAdmin, roleSuper } from "../store/user"
+import { taskTab, taskId, challengeDisplay } from "../store/task"
 import { useRoute, useRouter } from "vue-router"
 import { TASK_TYPE } from "../utils/const"
 import Challenge from "./Challenge.vue"
 import Tutorial from "./Tutorial.vue"
+import TaskStatsModal from "./TaskStatsModal.vue"

 const route = useRoute()
 const router = useRouter()
 const tutorialRef = ref<InstanceType<typeof Tutorial>>()
+const statsModal = ref(false)

 defineEmits(["hide"])

--- a/src/components/TaskStatsModal.vue
+++ b/src/components/TaskStatsModal.vue
@@ -0,0 +1,560 @@
+<template>
+  <n-modal
+    :show="show"
+    @update:show="$emit('update:show', $event)"
+    preset="card"
+    title="提交统计"
+    style="max-width: 660px"
+    :bordered="false"
+  >
+    <div style="max-height: 75vh; overflow-y: auto">
+      <!-- 初始加载 -->
+      <template v-if="!stats && loading">
+        <n-flex justify="center" style="padding: 40px">
+          <n-spin size="large" />
+        </n-flex>
+      </template>
+
+      <template v-else-if="stats">
+        <!-- 班级筛选 -->
+        <n-flex
+          align="center"
+          style="margin-bottom: 16px; flex-wrap: wrap; gap: 6px"
+        >
+          <span style="color: #666; font-size: 12px">班级筛选：</span>
+          <n-button
+            size="small"
+            :type="selectedClass === null ? 'primary' : 'default'"
+            @click="selectClass(null)"
+            >全部</n-button
+          >
+          <n-button
+            v-for="c in stats.classes"
+            :key="c"
+            size="small"
+            :type="selectedClass === c ? 'primary' : 'default'"
+            @click="selectClass(c)"
+            >{{ c }}</n-button
+          >
+        </n-flex>
+
+        <n-spin :show="loading">
+        <!-- 关键指标 -->
+        <div
+          style="
+            display: grid;
+            grid-template-columns: repeat(5, 1fr);
+            border: 1px solid #eee;
+            border-radius: 6px;
+            overflow: hidden;
+            margin-bottom: 12px;
+          "
+        >
+          <div
+            v-for="(metric, i) in metrics"
+            :key="metric.label"
+            :style="{
+              padding: '12px 8px',
+              textAlign: 'center',
+              borderRight: i < metrics.length - 1 ? '1px solid #eee' : 'none',
+            }"
+          >
+            <div
+              :style="{
+                fontSize: '20px',
+                fontWeight: '700',
+                color: metric.color,
+              }"
+            >
+              {{ metric.value }}
+            </div>
+            <div style="color: #888; font-size: 11px; margin-top: 2px">
+              {{ metric.label }}
+            </div>
+          </div>
+        </div>
+
+        <!-- 未提交名单（可折叠） -->
+        <div
+          style="
+            border: 1px solid #eee;
+            border-radius: 6px;
+            margin-bottom: 8px;
+            overflow: hidden;
+          "
+        >
+          <div
+            style="
+              padding: 10px 14px;
+              display: flex;
+              align-items: center;
+              justify-content: space-between;
+              cursor: pointer;
+              background: #fff8f8;
+            "
+            @click="showUnsubmitted = !showUnsubmitted"
+          >
+            <n-flex align="center" :size="6">
+              <span
+                style="
+                  width: 7px;
+                  height: 7px;
+                  background: #d03050;
+                  border-radius: 50%;
+                  display: inline-block;
+                "
+              ></span>
+              <span style="font-weight: 600; color: #d03050; font-size: 12px"
+                >未提交（{{ stats.unsubmitted_count }}人）</span
+              >
+            </n-flex>
+            <Icon
+              :icon="
+                showUnsubmitted ? 'lucide:chevron-down' : 'lucide:chevron-right'
+              "
+              :width="14"
+              style="color: #aaa"
+            />
+          </div>
+          <div
+            v-if="showUnsubmitted"
+            style="
+              padding: 10px 14px;
+              background: #fff8f8;
+              display: flex;
+              flex-wrap: wrap;
+              gap: 5px;
+            "
+          >
+            <n-tag
+              v-for="u in stats.unsubmitted_users"
+              :key="u.username"
+              size="small"
+              :bordered="true"
+              style="border-color: #ffd0d0; background: #fff"
+              >{{ displayName(u.username, u.classname) }}</n-tag
+            >
+            <span
+              v-if="!stats.unsubmitted_users.length"
+              style="color: #aaa; font-size: 12px"
+              >暂无</span
+            >
+          </div>
+        </div>
+
+        <!-- 未打分名单（可折叠） -->
+        <div
+          style="
+            border: 1px solid #eee;
+            border-radius: 6px;
+            margin-bottom: 12px;
+            overflow: hidden;
+          "
+        >
+          <div
+            style="
+              padding: 10px 14px;
+              display: flex;
+              align-items: center;
+              justify-content: space-between;
+              cursor: pointer;
+              background: #fffaf5;
+            "
+            @click="showUnrated = !showUnrated"
+          >
+            <n-flex align="center" :size="6">
+              <span
+                style="
+                  width: 7px;
+                  height: 7px;
+                  background: #e07800;
+                  border-radius: 50%;
+                  display: inline-block;
+                "
+              ></span>
+              <span style="font-weight: 600; color: #e07800; font-size: 12px"
+                >未打分（{{ stats.unrated_count }}人）</span
+              >
+              <span style="font-size: 11px; color: #aaa"
+                >— 还没给任何提交打过分</span
+              >
+            </n-flex>
+            <Icon
+              :icon="
+                showUnrated ? 'lucide:chevron-down' : 'lucide:chevron-right'
+              "
+              :width="14"
+              style="color: #aaa"
+            />
+          </div>
+          <div
+            v-if="showUnrated"
+            style="
+              padding: 10px 14px;
+              background: #fffaf5;
+              display: flex;
+              flex-wrap: wrap;
+              gap: 5px;
+            "
+          >
+            <n-tag
+              v-for="u in stats.unrated_users"
+              :key="u.username"
+              size="small"
+              :bordered="true"
+              style="border-color: #ffd0a0; background: #fff"
+              >{{ displayName(u.username, u.classname) }}</n-tag
+            >
+            <span
+              v-if="!stats.unrated_users.length"
+              style="color: #aaa; font-size: 12px"
+              >暂无</span
+            >
+          </div>
+        </div>
+
+        <!-- 提交次数分布 -->
+        <div style="margin-bottom: 12px">
+          <div
+            style="
+              font-weight: 600;
+              font-size: 13px;
+              margin-bottom: 8px;
+              color: #333;
+            "
+          >
+            提交次数分布
+            <span style="font-size: 11px; color: #aaa; font-weight: 400"
+              >（已提交的 {{ stats.submitted_count }} 人）</span
+            >
+          </div>
+          <div style="display: flex; gap: 8px">
+            <div
+              v-for="bucket in countBuckets"
+              :key="bucket.label"
+              :style="{
+                flex: 1,
+                border: `1px solid ${bucket.borderColor}`,
+                borderRadius: '6px',
+                padding: '10px 8px',
+                textAlign: 'center',
+                background: bucket.bg,
+              }"
+            >
+              <div
+                :style="{
+                  fontSize: '20px',
+                  fontWeight: '700',
+                  color: bucket.color,
+                }"
+              >
+                {{ bucket.value }}
+              </div>
+              <div style="color: #aaa; font-size: 11px; margin-top: 2px">
+                {{ bucket.label }}
+              </div>
+              <div
+                style="
+                  margin-top: 8px;
+                  background: #e8e8e8;
+                  border-radius: 3px;
+                  height: 4px;
+                "
+              >
+                <div
+                  :style="{
+                    background: bucket.color,
+                    height: '4px',
+                    borderRadius: '3px',
+                    width: bucketPct(bucket.value),
+                  }"
+                ></div>
+              </div>
+              <div style="color: #bbb; font-size: 10px; margin-top: 3px">
+                {{ bucketPct(bucket.value) }}
+              </div>
+            </div>
+          </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
+            style="
+              font-weight: 600;
+              font-size: 13px;
+              margin-bottom: 8px;
+              color: #333;
+            "
+          >
+            标记统计
+          </div>
+          <n-flex :size="8" style="flex-wrap: wrap">
+            <div
+              v-for="flag in flagBadges"
+              :key="flag.label"
+              :style="{
+                display: 'flex',
+                alignItems: 'center',
+                gap: '6px',
+                padding: '4px 10px',
+                background: flag.bg,
+                borderRadius: '4px',
+                border: `1px solid ${flag.border}`,
+              }"
+            >
+              <span
+                :style="{
+                  width: '7px',
+                  height: '7px',
+                  background: flag.color,
+                  borderRadius: '50%',
+                  display: 'inline-block',
+                }"
+              ></span>
+              <span :style="{ color: flag.color, fontSize: '12px' }">{{
+                flag.label
+              }}</span>
+              <span style="font-weight: 700; font-size: 13px; color: #333">{{
+                flag.value
+              }}</span>
+            </div>
+          </n-flex>
+        </div>
+        </n-spin>
+      </template>
+    </div>
+  </n-modal>
+</template>
+
+<script lang="ts" setup>
+import { ref, computed, watch } from "vue"
+import { Icon } from "@iconify/vue"
+import { useRouter } from "vue-router"
+import { Submission } from "../api"
+import type { TaskStatsOut } from "../utils/type"
+
+const props = defineProps<{ taskId: number; show: boolean }>()
+const emit = defineEmits<{ (e: "update:show", v: boolean): void }>()
+
+const router = useRouter()
+const stats = ref<TaskStatsOut | null>(null)
+const loading = ref(false)
+const selectedClass = ref<string | null>(null)
+const showUnsubmitted = ref(false)
+const showUnrated = ref(false)
+
+async function load(classname?: string) {
+  loading.value = true
+  try {
+    stats.value = await Submission.getStats(props.taskId, classname)
+  } finally {
+    loading.value = false
+  }
+}
+
+function displayName(username: string, classname: string) {
+  const prefix = "web" + classname
+  return username.startsWith(prefix) ? username.slice(prefix.length) : username
+}
+
+function selectClass(c: string | null) {
+  selectedClass.value = c
+  load(c ?? undefined)
+}
+
+function viewSubmission(id: string) {
+  const { href } = router.resolve({ name: "submission", params: { id } })
+  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%"
+  return Math.round((value / total) * 100) + "%"
+}
+
+const metrics = computed(() => {
+  if (!stats.value) return []
+  return [
+    { label: "已提交", value: stats.value.submitted_count, color: "#18a058" },
+    { label: "未提交", value: stats.value.unsubmitted_count, color: "#d03050" },
+    {
+      label: "平均分",
+      value: stats.value.average_score?.toFixed(1) ?? "—",
+      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" },
+  ]
+})
+
+const countBuckets = computed(() => {
+  if (!stats.value) return []
+  const d = stats.value.submission_count_distribution
+  return [
+    {
+      label: "4 次+",
+      value: d.count_4_plus,
+      color: "#f0a020",
+      bg: "#fffbf0",
+      borderColor: "#ffe0a0",
+    },
+    {
+      label: "3 次",
+      value: d.count_3,
+      color: "#18a058",
+      bg: "#f0fff4",
+      borderColor: "#c8e8d0",
+    },
+    {
+      label: "2 次",
+      value: d.count_2,
+      color: "#2080f0",
+      bg: "#f0f7ff",
+      borderColor: "#d0e8ff",
+    },
+    {
+      label: "仅 1 次",
+      value: d.count_1,
+      color: "#888",
+      bg: "#fafafa",
+      borderColor: "#e0e0e0",
+    },
+  ]
+})
+
+const scoreBars = computed(() => {
+  if (!stats.value) return []
+  const d = stats.value.score_distribution
+  const vals = [d.range_1_2, d.range_2_3, d.range_3_4, d.range_4_5, d.range_5]
+  const max = Math.max(...vals, 1)
+  const colors = ["#d03050", "#f0a020", "#2080f0", "#18a058", "#18a058"]
+  const labels = ["★", "★★", "★★★", "★★★★", "★★★★★"]
+  return vals.map((v, i) => ({
+    value: v,
+    label: labels[i],
+    color: colors[i],
+    height: Math.max(Math.round((v / max) * 68), 3) + "px",
+  }))
+})
+
+const flagBadges = computed(() => {
+  if (!stats.value) return []
+  const f = stats.value.flag_stats
+  return [
+    {
+      label: "值得展示",
+      value: f.red,
+      color: "#d03050",
+      bg: "#fff0f0",
+      border: "#ffd0d0",
+    },
+    {
+      label: "需要讲解",
+      value: f.blue,
+      color: "#2080f0",
+      bg: "#f0f7ff",
+      border: "#c8deff",
+    },
+    {
+      label: "优秀作品",
+      value: f.green,
+      color: "#18a058",
+      bg: "#f0fff4",
+      border: "#b8e8c8",
+    },
+    {
+      label: "需要改进",
+      value: f.yellow,
+      color: "#f0a020",
+      bg: "#fffbf0",
+      border: "#ffe8a0",
+    },
+  ]
+})
+
+// Load when modal opens
+watch(
+  () => props.show,
+  (val) => {
+    if (val && props.taskId) {
+      selectedClass.value = null
+      load()
+    }
+  },
+)
+</script>
--- a/src/components/Toolbar.vue
+++ b/src/components/Toolbar.vue
@@ -57,6 +57,7 @@ const menu = computed(() => [
    icon: () =>
      h(Icon, {
        icon: "streamline-emojis:robot-face-1",
+        width: 20,
      }),
  },
  {
@@ -66,6 +67,7 @@ const menu = computed(() => [
    icon: () =>
      h(Icon, {
        icon: "skill-icons:django",
+        width: 20,
      }),
  },
  {
@@ -74,6 +76,16 @@ const menu = computed(() => [
    icon: () =>
      h(Icon, {
        icon: "streamline-emojis:bar-chart",
+        width: 20,
+      }),
+  },
+  {
+    label: "排名榜",
+    key: "ranking",
+    icon: () =>
+      h(Icon, {
+        icon: "streamline-emojis:sunglasses",
+        width: 20,
      }),
  },
  {
@@ -82,6 +94,7 @@ const menu = computed(() => [
    icon: () =>
      h(Icon, {
        icon: "streamline-emojis:hot-beverage-2",
+        width: 20,
      }),
  },
 ])
@@ -106,6 +119,9 @@ function clickMenu(name: string) {
        query: { username: user.username },
      })
      break
+    case "ranking":
+      router.push({ name: "ranking" })
+      break
    case "logout":
      handleLogout()
      break
--- a/src/components/Tutorial.vue
+++ b/src/components/Tutorial.vue
@@ -11,6 +11,27 @@ import { step } from "../store/tutorial"
 import { taskId } from "../store/task"
 import { useRouter } from "vue-router"

+marked.use({
+  renderer: {
+    code({ text, lang }) {
+      const language = lang?.toLowerCase() ?? "html"
+      return `<div class="codeblock-wrapper" data-lang="${language}">
+  <div class="codeblock-action">
+    <span class="lang">${language.toUpperCase()}</span>
+    <div class="btn-group">
+      <button class="action-btn" data-action="copy">复制</button>
+      <button class="action-btn" data-action="replace">替换</button>
+    </div>
+  </div>
+  <pre><code class="language-${language}">${text}</code></pre>
+</div>`
+    },
+    link({ href, text }) {
+      return `<a href="${href}" target="_blank">${text}</a>`
+    },
+  },
+})
+
 const router = useRouter()
 const tutorialIds = ref<number[]>([])
 const content = ref("")
@@ -28,12 +49,12 @@ const nextDisabled = () => {

 function prev() {
  const i = tutorialIds.value.indexOf(step.value)
-  step.value = tutorialIds.value[i - 1]
+  step.value = tutorialIds.value[i - 1] as number
 }

 function next() {
  const i = tutorialIds.value.indexOf(step.value)
-  step.value = tutorialIds.value[i + 1]
+  step.value = tutorialIds.value[i + 1] as number
 }

 defineExpose({ tutorialIds, prevDisabled, nextDisabled, prev, next })
@@ -44,88 +65,45 @@ async function prepare() {
    content.value = "暂无教程"
  }
  if (!tutorialIds.value.includes(step.value)) {
-    step.value = tutorialIds.value[0]
+    step.value = tutorialIds.value[0] as number
  }
 }

-async function getContent() {
+async function render() {
  const data = await Tutorial.get(step.value)
  taskId.value = data.task_ptr
  const merged = `# #${data.display} ${data.title}\n${data.content}`
  content.value = await marked.parse(merged, { async: true })
 }

-function addButton() {
-  const action = document.createElement("div")
-  action.className = "codeblock-action"
-  const pres = $content.value?.querySelectorAll("pre") ?? []
-  for (const pre of pres) {
-    let timer = 0
-    let copyTimer = 0
-    const actions = action.cloneNode() as HTMLDivElement
-    pre.insertBefore(actions, pre.children[0])
-    const $code = pre.childNodes[1] as HTMLPreElement
-    const match = $code.className.match(/-(.*)/)
-    let lang = "html"
-    if (match) lang = match[1].toLowerCase()
-
-    const langSpan = document.createElement("span")
-    langSpan.className = "lang"
-    langSpan.textContent = lang.toUpperCase()
-
-    const btnGroup = document.createElement("div")
-    btnGroup.className = "btn-group"
-
-    const copyBtn = document.createElement("button")
-    copyBtn.className = "action-btn"
-    copyBtn.textContent = "复制"
-
-    const replaceBtn = document.createElement("button")
-    replaceBtn.className = "action-btn"
-    replaceBtn.textContent = "替换"
-
-    btnGroup.appendChild(copyBtn)
-    btnGroup.appendChild(replaceBtn)
-
-    actions.appendChild(langSpan)
-    actions.appendChild(btnGroup)
-
-    copyBtn.onclick = () => {
-      const content = pre.children[1].textContent
-      copyFn(content ?? "")
-      copyBtn.textContent = "已复制"
-      clearTimeout(copyTimer)
-      copyTimer = setTimeout(() => {
-        copyBtn.textContent = "复制"
+function flash(btn: HTMLButtonElement, done: string, original: string) {
+  btn.textContent = done
+  setTimeout(() => {
+    btn.textContent = original
  }, 1000)
-    }
+}

-    replaceBtn.onclick = () => {
+function setupCodeActions() {
+  $content.value?.addEventListener("click", (e: MouseEvent) => {
+    const btn = (e.target as HTMLElement).closest<HTMLButtonElement>(
+      "[data-action]",
+    )
+    if (!btn) return
+    const wrapper = btn.closest<HTMLElement>("[data-lang]")!
+    const lang = wrapper.dataset.lang ?? "html"
+    const code = wrapper.querySelector("code")?.textContent ?? ""
+
+    if (btn.dataset.action === "copy") {
+      copyFn(code)
+      flash(btn, "已复制", "复制")
+    } else if (btn.dataset.action === "replace") {
      tab.value = lang
-      const content = pre.children[1].textContent
-      if (lang === "html") html.value = content
-      if (lang === "css") css.value = content
-      if (lang === "js") js.value = content
-      replaceBtn.textContent = "已替换"
-      clearTimeout(timer)
-      timer = setTimeout(() => {
-        replaceBtn.textContent = "替换"
-      }, 1000)
+      if (lang === "html") html.value = code
+      if (lang === "css") css.value = code
+      if (lang === "js") js.value = code
+      flash(btn, "已替换", "替换")
    }
-  }
-}
-
-function modifyLink() {
-  const links = $content.value?.querySelectorAll("a") ?? []
-  for (const link of links) {
-    link.target = "_blank"
-  }
-}
-
-async function render() {
-  await getContent()
-  addButton()
-  modifyLink()
+  })
 }

 async function init() {
@@ -133,7 +111,10 @@ async function init() {
  render()
 }

-onMounted(init)
+onMounted(() => {
+  setupCodeActions()
+  init()
+})
 watch(step, (v) => {
  router.push({ name: "home-tutorial", params: { display: v } })
  render()
@@ -157,8 +138,24 @@ watch(step, (v) => {
  font-family: Monaco;
 }

-.codeblock-action {
+.markdown-body .codeblock-wrapper {
+  padding: 1rem;
+  background-color: #f6f8fa;
+  border-radius: 6px;
  margin-bottom: 1rem;
+  overflow: auto;
+}
+
+.markdown-body .codeblock-wrapper pre {
+  padding: 0;
+  background-color: transparent;
+  border-radius: 0;
+  margin-bottom: 0;
+  overflow: visible;
+}
+
+.codeblock-action {
+  margin-bottom: 0.5rem;
  font-family:
    v-sans,
    system-ui,
--- a/src/components/submissions/ChainModal.vue
+++ b/src/components/submissions/ChainModal.vue
@@ -0,0 +1,188 @@
+<template>
+  <n-modal
+    :show="show"
+    preset="card"
+    title="提示词"
+    style="width: 90vw; max-width: 1400px"
+    @update:show="$emit('update:show', $event)"
+  >
+    <n-spin :show="loading">
+      <n-empty
+        v-if="!loading && rounds.length === 0"
+        description="暂无对话记录"
+      />
+      <div
+        v-else
+        style="
+          display: grid;
+          grid-template-columns: 1fr 1fr;
+          gap: 16px;
+          height: 75vh;
+        "
+      >
+        <div
+          style="
+            overflow-y: auto;
+            padding-right: 8px;
+            border-right: 1px solid #e0e0e0;
+            display: flex;
+            flex-direction: column;
+            gap: 8px;
+          "
+        >
+          <div
+            v-for="(round, index) in rounds"
+            :key="index"
+            style="
+              display: flex;
+              gap: 10px;
+              align-items: flex-start;
+              cursor: pointer;
+            "
+            @click="selectedRound = index"
+          >
+            <div
+              :style="{
+                flexShrink: 0,
+                width: '22px',
+                height: '22px',
+                borderRadius: '50%',
+                background: selectedRound === index ? '#2080f0' : '#c2d5fb',
+                color: '#fff',
+                fontSize: '12px',
+                fontWeight: 'bold',
+                display: 'flex',
+                alignItems: 'center',
+                justifyContent: 'center',
+                marginTop: '2px',
+                transition: 'background 0.2s',
+              }"
+            >
+              {{ index + 1 }}
+            </div>
+            <div
+              :style="{
+                flex: 1,
+                padding: '10px 14px',
+                borderRadius: '8px',
+                background: selectedRound === index ? '#e8f0fe' : '#f5f5f5',
+                border:
+                  selectedRound === index
+                    ? '1px solid #2080f0'
+                    : '1px solid #e0e0e0',
+                fontSize: '13px',
+                lineHeight: '1.6',
+                transition: 'all 0.2s',
+              }"
+            >
+              {{ round.question }}
+            </div>
+          </div>
+        </div>
+        <div style="display: flex; flex-direction: column; gap: 8px">
+          <div style="font-weight: bold; font-size: 13px; color: #555">
+            第 {{ selectedRound + 1 }} 轮网页
+          </div>
+          <iframe
+            v-if="selectedPageHtml"
+            :srcdoc="selectedPageHtml"
+            :key="selectedRound"
+            sandbox="allow-scripts"
+            style="
+              flex: 1;
+              border: 1px solid #e0e0e0;
+              border-radius: 6px;
+              background: #fff;
+            "
+          />
+          <n-empty v-else description="该轮无网页代码" style="margin: auto" />
+        </div>
+      </div>
+    </n-spin>
+  </n-modal>
+</template>
+
+<script setup lang="ts">
+import { computed, ref, watch } from "vue"
+import { Prompt } from "../../api"
+import type { PromptMessage } from "../../utils/type"
+
+const props = defineProps<{
+  show: boolean
+  conversationId?: string
+}>()
+
+defineEmits<{ "update:show": [value: boolean] }>()
+
+const loading = ref(false)
+const messages = ref<PromptMessage[]>([])
+const selectedRound = ref(0)
+
+const rounds = computed(() => {
+  const result: {
+    question: string
+    html: string | null
+    css: string | null
+    js: string | null
+  }[] = []
+  for (const [i, msg] of messages.value.entries()) {
+    if (msg.role !== "user") continue
+    let html: string | null = null,
+      css: string | null = null,
+      js: string | null = null
+    for (const reply of messages.value.slice(i + 1)) {
+      if (reply.role === "user") break
+      if (reply.role === "assistant" && reply.code_html) {
+        html = reply.code_html
+        css = reply.code_css
+        js = reply.code_js
+        break
+      }
+    }
+    result.push({ question: msg.content, html, css, js })
+  }
+  return result
+})
+
+const selectedPageHtml = computed(() => {
+  const round = rounds.value[selectedRound.value]
+  if (!round?.html) return null
+  const style = round.css ? `<style>${round.css}</style>` : ""
+  const script = round.js ? `<script>${round.js}<\/script>` : ""
+  return `<!DOCTYPE html><html><head><meta charset="utf-8">${style}</head><body>${round.html}${script}</body></html>`
+})
+
+watch(
+  () => props.conversationId,
+  async (id) => {
+    if (!id || !props.show) return
+    loading.value = true
+    messages.value = []
+    selectedRound.value = 0
+    try {
+      messages.value = await Prompt.getMessages(id)
+      const last = rounds.value.length - 1
+      if (last >= 0) selectedRound.value = last
+    } finally {
+      loading.value = false
+    }
+  },
+)
+
+watch(
+  () => props.show,
+  async (visible) => {
+    if (!visible || !props.conversationId) return
+    loading.value = true
+    messages.value = []
+    selectedRound.value = 0
+    try {
+      messages.value = await Prompt.getMessages(props.conversationId)
+      const last = rounds.value.length - 1
+      if (last >= 0) selectedRound.value = last
+    } finally {
+      loading.value = false
+    }
+  },
+)
+</script>
--- a/src/components/submissions/CodeModal.vue
+++ b/src/components/submissions/CodeModal.vue
@@ -0,0 +1,42 @@
+<template>
+  <n-modal
+    preset="card"
+    :show="show"
+    style="max-width: 60%"
+    @update:show="$emit('update:show', $event)"
+  >
+    <template #header>
+      <n-flex align="center">
+        <span>前端代码</span>
+        <n-button tertiary @click="$emit('copy-to-editor')"
+          >复制到编辑框</n-button
+        >
+      </n-flex>
+    </template>
+    <n-tabs animated type="segment">
+      <n-tab-pane name="html" tab="html">
+        <n-code :code="html" language="html" word-wrap />
+      </n-tab-pane>
+      <n-tab-pane name="css" tab="css">
+        <n-code :code="css" language="css" word-wrap />
+      </n-tab-pane>
+      <n-tab-pane v-if="!!js" name="js" tab="js">
+        <n-code :code="js" language="js" word-wrap />
+      </n-tab-pane>
+    </n-tabs>
+  </n-modal>
+</template>
+
+<script setup lang="ts">
+defineProps<{
+  show: boolean
+  html: string
+  css: string
+  js: string
+}>()
+
+defineEmits<{
+  "update:show": [value: boolean]
+  "copy-to-editor": []
+}>()
+</script>
--- a/src/components/submissions/ExpandedSubTable.vue
+++ b/src/components/submissions/ExpandedSubTable.vue
@@ -0,0 +1,159 @@
+<template>
+  <n-spin v-if="loading" size="small" style="padding: 12px" />
+  <n-data-table
+    v-else-if="items"
+    :columns="subColumns"
+    :data="items"
+    size="small"
+    striped
+    :row-key="(r: SubmissionOut) => r.id"
+    :row-props="rowProps"
+    :row-class-name="rowClassName"
+  />
+</template>
+
+<script setup lang="ts">
+import { computed, h } from "vue"
+import {
+  NButton,
+  NDataTable,
+  NPopconfirm,
+  NSpin,
+  type DataTableColumn,
+} from "naive-ui"
+import type { SubmissionOut } from "../../utils/type"
+import { TASK_TYPE } from "../../utils/const"
+import { parseTime } from "../../utils/helper"
+import { user } from "../../store/user"
+import { submission } from "../../store/submission"
+
+const props = defineProps<{
+  row: SubmissionOut
+  items: SubmissionOut[] | undefined
+  loading: boolean
+}>()
+
+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)
+
+function rowProps(r: SubmissionOut) {
+  return {
+    style: { cursor: "pointer" },
+    onClick: () => emit("select", r.id),
+  }
+}
+
+function rowClassName(r: SubmissionOut) {
+  return submission.value.id === r.id ? "row-active" : ""
+}
+
+const subColumns = computed((): DataTableColumn<SubmissionOut>[] => [
+  {
+    title: "时间",
+    key: "created",
+    width: 160,
+    render: (r) => parseTime(r.created, "YYYY-MM-DD HH:mm:ss"),
+  },
+  {
+    title: "得分",
+    key: "score",
+    width: 80,
+    render: (r) => {
+      const myScore = r.my_score > 0 ? String(r.my_score) : "-"
+      const avgScore = r.score > 0 ? r.score.toFixed(2) : "-"
+      return h(
+        "div",
+        { style: { display: "flex", gap: "6px", alignItems: "baseline" } },
+        [
+          h("span", avgScore),
+          h("span", { style: { fontSize: "11px", color: "#999" } }, myScore),
+        ],
+      )
+    },
+  },
+  {
+    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
+    ? [
+        {
+          title: "提示词",
+          key: "conversation_id",
+          width: 70,
+          render: (r: SubmissionOut) => {
+            if (!r.conversation_id) return "-"
+            return h(
+              NButton,
+              {
+                text: true,
+                type: "primary",
+                onClick: (e: Event) => {
+                  e.stopPropagation()
+                  emit("show-chain", r.conversation_id!)
+                },
+              },
+              () => "查看",
+            )
+          },
+        } as DataTableColumn<SubmissionOut>,
+      ]
+    : []),
+  ...(!isChallenge.value
+    ? [
+        {
+          title: "操作",
+          key: "actions",
+          width: 60,
+          render: (r: SubmissionOut) => {
+            if (r.username !== user.username) return null
+            return h(
+              NPopconfirm,
+              { onPositiveClick: () => emit("delete", r, props.row.id) },
+              {
+                trigger: () =>
+                  h(
+                    NButton,
+                    {
+                      text: true,
+                      type: "error",
+                      size: "small",
+                      onClick: (e: Event) => e.stopPropagation(),
+                    },
+                    () => "删除",
+                  ),
+                default: () => "确定删除这次提交？",
+              },
+            )
+          },
+        } as DataTableColumn<SubmissionOut>,
+      ]
+    : []),
+])
+</script>
--- a/src/components/submissions/FlagCell.vue
+++ b/src/components/submissions/FlagCell.vue
@@ -0,0 +1,74 @@
+<template>
+  <n-popover v-if="isAdmin" trigger="click">
+    <template #trigger>
+      <span :style="dotStyle" />
+    </template>
+    <n-space vertical size="small">
+      <n-button
+        v-for="opt in FLAG_OPTIONS"
+        :key="opt.value"
+        text
+        @click="$emit('update:flag', opt.value)"
+      >
+        <span style="display: flex; align-items: center; gap: 6px">
+          <span
+            :style="{
+              display: 'inline-block',
+              width: '10px',
+              height: '10px',
+              borderRadius: '50%',
+              backgroundColor: opt.color,
+            }"
+          />
+          {{ opt.label }}
+        </span>
+      </n-button>
+      <n-button
+        v-if="flag"
+        text
+        block
+        type="error"
+        @click="$emit('update:flag', null)"
+      >
+        清除
+      </n-button>
+    </n-space>
+  </n-popover>
+  <span v-else :style="dotStyle" />
+</template>
+
+<script setup lang="ts">
+import { computed } from "vue"
+import type { FlagType } from "../../utils/type"
+
+const FLAG_OPTIONS: {
+  value: NonNullable<FlagType>
+  color: string
+  label: string
+}[] = [
+  { value: "red", color: "#e03030", label: "值得展示" },
+  { value: "blue", color: "#2080f0", label: "需要讲解" },
+  { value: "green", color: "#18a058", label: "优秀作品" },
+  { value: "yellow", color: "#f0a020", label: "需要改进" },
+]
+
+const props = defineProps<{
+  flag: FlagType
+  isAdmin: boolean
+}>()
+
+defineEmits<{ "update:flag": [value: FlagType] }>()
+
+const dotStyle = computed(() => {
+  const match = FLAG_OPTIONS.find((f) => f.value === props.flag)
+  return {
+    display: "inline-block",
+    width: "12px",
+    height: "12px",
+    borderRadius: "50%",
+    backgroundColor: match ? match.color : "transparent",
+    border: match ? "none" : "1px dashed #ccc",
+    cursor: props.isAdmin ? "pointer" : "default",
+  }
+})
+</script>
--- a/src/main.ts
+++ b/src/main.ts
@@ -16,6 +16,7 @@ import hljs from "highlight.js/lib/core"
 import xml from "highlight.js/lib/languages/xml"
 import css from "highlight.js/lib/languages/css"
 import javascript from "highlight.js/lib/languages/javascript"
+import plaintext from "highlight.js/lib/languages/plaintext"
 //@ts-ignore
 import "highlight.js/styles/github.min.css"
 import { router } from "./router"
@@ -24,6 +25,7 @@ hljs.registerLanguage("html", xml)
 hljs.registerLanguage("css", css)
 hljs.registerLanguage("js", javascript)
 hljs.registerLanguage("javascript", javascript)
+hljs.registerLanguage("plaintext", plaintext)

 marked.use({
  gfm: true,
--- a/src/pages/ChallengeHome.vue
+++ b/src/pages/ChallengeHome.vue
@@ -9,7 +9,11 @@
            </n-button>
          </template>
          <n-tab-pane name="desc" tab="挑战描述" display-directive="show">
-            <div class="markdown-body" style="padding: 12px; overflow-y: auto; height: 100%" v-html="challengeContent" />
+            <div
+              class="markdown-body"
+              style="padding: 12px; overflow-y: auto; height: 100%"
+              v-html="challengeContent"
+            />
          </n-tab-pane>
          <n-tab-pane name="chat" tab="AI 对话" display-directive="show">
            <PromptPanel />
@@ -19,11 +23,24 @@
    </template>
    <template #2>
      <div class="right-panel">
-        <Preview :html="html" :css="css" :js="js" show-code-button clearable @showCode="showCode = true" @clear="clearAll" />
+        <Preview
+          :html="html"
+          :css="css"
+          :js="js"
+          show-code-button
+          clearable
+          @showCode="showCode = true"
+          @clear="clearAll"
+        />
      </div>
    </template>
  </n-split>
-  <n-modal v-model:show="showCode" preset="card" title="代码" style="width: 700px">
+  <n-modal
+    v-model:show="showCode"
+    preset="card"
+    title="代码"
+    style="width: 700px"
+  >
    <n-tabs type="line">
      <n-tab-pane name="html" tab="HTML">
        <n-code :code="html" language="html" />
@@ -41,6 +58,7 @@
 <script setup lang="ts">
 import { ref, watch, onMounted, onUnmounted } from "vue"
 import { useRoute, useRouter } from "vue-router"
+import { useMessage } from "naive-ui"
 import { Icon } from "@iconify/vue"
 import { marked } from "marked"
 import PromptPanel from "../components/PromptPanel.vue"
@@ -48,10 +66,18 @@ import Preview from "../components/Preview.vue"
 import { Challenge, Submission } from "../api"
 import { html, css, js } from "../store/editors"
 import { taskId } from "../store/task"
-import { connectPrompt, disconnectPrompt, conversationId, streaming, setOnCodeComplete } from "../store/prompt"
+import {
+  connectPrompt,
+  disconnectPrompt,
+  conversationId,
+  streaming,
+  setOnCodeComplete,
+  loadHistory,
+} from "../store/prompt"

 const route = useRoute()
 const router = useRouter()
+const message = useMessage()

 const leftSize = ref(0.4)
 const activeTab = ref("desc")
@@ -69,7 +95,8 @@ async function loadChallenge() {
  taskId.value = data.task_ptr
  challengeTitle.value = `#${data.display} ${data.title}`
  challengeContent.value = await marked.parse(data.content, { async: true })
-  connectPrompt(data.task_ptr)
+  loadHistory(data.task_ptr) // HTTP preload — async, non-blocking
+  connectPrompt(data.task_ptr) // WebSocket — synchronous open
  setOnCodeComplete(async (code) => {
    if (!conversationId.value) return
    try {
@@ -79,6 +106,7 @@ async function loadChallenge() {
        js: code.js ?? "",
        conversationId: conversationId.value,
      })
+      message.success("已自动提交本次对话生成的代码")
    } catch {
      // 静默失败，不打扰用户
    }
--- a/src/pages/Submission.vue
+++ b/src/pages/Submission.vue
@@ -25,11 +25,11 @@ async function init() {
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <style>${submission.css}</style>
    <link rel="stylesheet" href="/normalize.min.css" />
-    <script src="/jquery.min.js"><\/script>
+    <script src="/tailwindcss.min.js"><\/script>
  </head>
  <body>
    ${submission.html}
-    <script type="module">${submission.js}<\/script>
+    <script>${submission.js}<\/script>
  </body>
 </html>`)
    doc.close()
@@ -43,6 +43,8 @@ onMounted(init)
 </template>
 <style scoped>
 .iframe {
+  position: fixed;
+  inset: 0;
  width: 100%;
  height: 100%;
  border: none;
--- a/src/pages/Submissions.vue
+++ b/src/pages/Submissions.vue
@@ -1,38 +1,66 @@
 <template>
-  <n-grid class="container" x-gap="10" :cols="2">
-    <n-gi :span="1">
-      <n-flex vertical>
-        <n-flex justify="space-between">
+  <n-split
+    class="container"
+    direction="horizontal"
+    :default-size="0.5"
+    :min="0.2"
+    :max="0.8"
+  >
+    <template #1>
+      <n-flex
+        vertical
+        style="height: 100%; padding-right: 10px; overflow: hidden"
+      >
+        <n-flex justify="space-between" style="flex-shrink: 0">
          <n-button secondary @click="() => goHome($router, taskTab, step)">
            返回首页
          </n-button>
          <n-flex align="center">
-            <div>
+            <n-select
+              :value="query.flag"
+              style="width: 100px"
+              clearable
+              placeholder="标记"
+              :options="flagFilterOptions"
+              @update:value="handleFlagSelect"
+            />
            <n-input
              style="width: 120px"
              v-model:value="query.username"
              clearable
            />
-            </div>
            <n-pagination
              v-model:page="query.page"
              :page-size="10"
              :item-count="count"
              simple
+            />
+            <n-button
+              secondary
+              style="padding: 0 10px"
+              title="刷新"
+              @click="init"
            >
-            </n-pagination>
+              <Icon :width="16" icon="lucide:refresh-cw" />
+            </n-button>
          </n-flex>
        </n-flex>
        <n-data-table
+          flex-height
          striped
          :columns="columns"
          :data="data"
+          :row-key="(row: SubmissionOut) => row.id"
+          :expanded-row-keys="expandedKeys"
+          @update:expanded-row-keys="handleExpand"
          :row-props="rowProps"
          :row-class-name="rowClassName"
-        ></n-data-table>
+          style="flex: 1; min-height: 0"
+        />
      </n-flex>
-    </n-gi>
-    <n-gi :span="1">
+    </template>
+    <template #2>
+      <div style="height: 100%; padding-left: 10px">
        <Preview
          v-if="submission.id"
          :html="html"
@@ -42,155 +70,145 @@
          @after-score="afterScore"
          @show-code="codeModal = true"
        />
-    </n-gi>
-  </n-grid>
-  <n-modal preset="card" v-model:show="codeModal" style="max-width: 60%">
-    <template #header>
-      <n-flex align="center">
-        <span>前端代码</span>
-        <n-button tertiary @click="copyToEditor">复制到编辑框</n-button>
-      </n-flex>
+      </div>
    </template>
-    <n-tabs animated type="segment">
-      <n-tab-pane name="html" tab="html">
-        <n-code :code="html" language="html" word-wrap></n-code>
-      </n-tab-pane>
-      <n-tab-pane name="css" tab="css">
-        <n-code :code="css" language="css" word-wrap></n-code>
-      </n-tab-pane>
-      <n-tab-pane v-if="!!js" name="js" tab="js">
-        <n-code :code="js" language="js" word-wrap></n-code>
-      </n-tab-pane>
-    </n-tabs>
-  </n-modal>
-  <n-modal v-model:show="chainModal" preset="card" title="提示词" style="width: 90vw; max-width: 1400px">
-    <n-spin :show="chainLoading">
-      <n-empty v-if="!chainLoading && chainRounds.length === 0" description="暂无对话记录" />
-      <div v-else style="display: grid; grid-template-columns: 1fr 1fr; gap: 16px; height: 75vh">
-        <!-- 左侧：学生提问列表 -->
-        <div style="overflow-y: auto; padding-right: 8px; border-right: 1px solid #e0e0e0; display: flex; flex-direction: column; gap: 8px">
-          <div
-            v-for="(round, index) in chainRounds"
-            :key="index"
-            style="display: flex; gap: 10px; align-items: flex-start; cursor: pointer"
-            @click="selectedRound = index"
-          >
-            <div :style="{
-              flexShrink: 0, width: '22px', height: '22px', borderRadius: '50%',
-              background: selectedRound === index ? '#2080f0' : '#c2d5fb',
-              color: '#fff', fontSize: '12px', fontWeight: 'bold',
-              display: 'flex', alignItems: 'center', justifyContent: 'center', marginTop: '2px',
-              transition: 'background 0.2s',
-            }">
-              {{ index + 1 }}
-            </div>
-            <div :style="{
-              flex: 1, padding: '10px 14px', borderRadius: '8px',
-              background: selectedRound === index ? '#e8f0fe' : '#f5f5f5',
-              border: selectedRound === index ? '1px solid #2080f0' : '1px solid #e0e0e0',
-              fontSize: '13px', lineHeight: '1.6', transition: 'all 0.2s',
-            }">
-              {{ round.question }}
-            </div>
-          </div>
-        </div>
-        <!-- 右侧：对应网页预览 -->
-        <div style="display: flex; flex-direction: column; gap: 8px">
-          <div style="font-weight: bold; font-size: 13px; color: #555">
-            第 {{ selectedRound + 1 }} 轮网页
-          </div>
-          <iframe
-            v-if="selectedPageHtml"
-            :srcdoc="selectedPageHtml"
-            :key="selectedRound"
-            sandbox="allow-scripts"
-            style="flex: 1; border: 1px solid #e0e0e0; border-radius: 6px; background: #fff"
+  </n-split>
+
+  <CodeModal
+    v-model:show="codeModal"
+    :html="html"
+    :css="css"
+    :js="js"
+    @copy-to-editor="copyToEditor"
+  />
+
+  <ChainModal
+    v-model:show="chainModal"
+    :conversation-id="chainConversationId"
  />
-          <n-empty v-else description="该轮无网页代码" style="margin: auto" />
-        </div>
-      </div>
-    </n-spin>
-  </n-modal>
 </template>
+
 <script setup lang="ts">
-import { NButton, type DataTableColumn } from "naive-ui"
 import { computed, h, onMounted, onUnmounted, reactive, ref, watch } from "vue"
-import { Submission, Prompt } from "../api"
-import type { SubmissionOut } from "../utils/type"
+import { NButton, NDataTable, type DataTableColumn } from "naive-ui"
+import { Icon } from "@iconify/vue"
+import { Submission } from "../api"
+import type { SubmissionOut, FlagType } from "../utils/type"
 import { parseTime } from "../utils/helper"
-import TaskTitle from "../components/submissions/TaskTitle.vue"
-import Preview from "../components/Preview.vue"
-import { submission } from "../store/submission"
-import { useRouter, useRoute } from "vue-router"
+import { goHome } from "../utils/helper"
+import { TASK_TYPE } from "../utils/const"
 import { watchDebounced } from "@vueuse/core"
+import { useRouter, useRoute } from "vue-router"
+
+import Preview from "../components/Preview.vue"
+import TaskTitle from "../components/submissions/TaskTitle.vue"
+import CodeModal from "../components/submissions/CodeModal.vue"
+import ChainModal from "../components/submissions/ChainModal.vue"
+import FlagCell from "../components/submissions/FlagCell.vue"
+import ExpandedSubTable from "../components/submissions/ExpandedSubTable.vue"
+
+import { submission } from "../store/submission"
 import { taskTab } from "../store/task"
 import { step } from "../store/tutorial"
 import { html as eHtml, css as eCss, js as eJs } from "../store/editors"
-import { TASK_TYPE } from "../utils/const"
-import { goHome } from "../utils/helper"
+import { roleAdmin, roleSuper, user } from "../store/user"

 const route = useRoute()
 const router = useRouter()

+// 列表数据
 const data = ref<SubmissionOut[]>([])
 const count = ref(0)
 const query = reactive({
  page: Number(route.params.page),
-  username: route.query.username ?? "",
+  username: (Array.isArray(route.query.username)
+    ? ""
+    : (route.query.username ?? "")) as string,
+  flag: null as string | null,
 })

+// 当前选中提交的代码
 const html = computed(() => submission.value.html)
 const css = computed(() => submission.value.css)
 const js = computed(() => submission.value.js)

+// Modal 状态
 const codeModal = ref(false)
 const chainModal = ref(false)
-const chainMessages = ref<{ id: number; role: string; content: string; code_html: string | null; code_css: string | null; code_js: string | null }[]>([])
-const chainLoading = ref(false)
-const selectedRound = ref(0)
+const chainConversationId = ref<string | undefined>()

-const chainRounds = computed(() => {
-  const messages = chainMessages.value
-  const rounds: { question: string; html: string | null; css: string | null; js: string | null }[] = []
-  for (let i = 0; i < messages.length; i++) {
-    if (messages[i].role !== "user") continue
-    let html = null, css = null, js = null
-    for (let j = i + 1; j < messages.length; j++) {
-      if (messages[j].role === "user") break
-      if (messages[j].role === "assistant" && messages[j].code_html) {
-        html = messages[j].code_html
-        css = messages[j].code_css
-        js = messages[j].code_js
-        break
-      }
-    }
-    rounds.push({ question: messages[i].content, html, css, js })
-  }
-  return rounds
+// 展开行
+const expandedKeys = ref<string[]>([])
+const expandedData = reactive(new Map<string, SubmissionOut[]>())
+const expandedLoading = reactive(new Set<string>())
+
+// 管理员判断
+const isAdmin = computed(() => roleAdmin.value || roleSuper.value)
+
+// Flag 过滤选项
+const flagFilterOptions = computed(() => {
+  const opts = [
+    { label: "红旗", value: "red" },
+    { label: "蓝旗", value: "blue" },
+    { label: "绿旗", value: "green" },
+    { label: "黄旗", value: "yellow" },
+    { label: "全部", value: "any" },
+  ]
+  if (isAdmin.value) opts.push({ label: "清除", value: "_clear_all" })
+  return opts
 })

-const selectedPageHtml = computed(() => {
-  const round = chainRounds.value[selectedRound.value]
-  if (!round?.html) return null
-  const style = round.css ? `<style>${round.css}</style>` : ""
-  const script = round.js ? `<script>${round.js}<\/script>` : ""
-  return `<!DOCTYPE html><html><head><meta charset="utf-8">${style}</head><body>${round.html}${script}</body></html>`
-})
-
-async function showChain(conversationId: string) {
-  chainLoading.value = true
-  chainModal.value = true
-  selectedRound.value = 0
-  try {
-    chainMessages.value = await Prompt.getMessages(conversationId)
-    const last = chainRounds.value.length - 1
-    if (last >= 0) selectedRound.value = last
-  } finally {
-    chainLoading.value = false
+function handleFlagSelect(value: string | null) {
+  if (value === "_clear_all") {
+    clearAllFlags()
+    return
  }
+  query.flag = value
 }

+async function updateFlag(row: SubmissionOut, flag: FlagType) {
+  await Submission.updateFlag(row.id, flag)
+  row.flag = flag
+}
+
+async function clearAllFlags() {
+  await Submission.clearAllFlags()
+  data.value = data.value.map((d) => ({ ...d, flag: null }))
+  query.flag = null
+}
+
+function showChain(conversationId: string) {
+  chainConversationId.value = conversationId
+  chainModal.value = true
+}
+
+// 表格列定义
 const columns: DataTableColumn<SubmissionOut>[] = [
+  {
+    type: "expand",
+    expandable: () => true,
+    renderExpand: (row) =>
+      h(ExpandedSubTable, {
+        row,
+        items: expandedData.get(row.id),
+        loading: expandedLoading.has(row.id),
+        onSelect: (id) => getSubmissionByID(id),
+        onDelete: (r, parentId) => handleDelete(r, parentId),
+        "onShow-chain": (id) => showChain(id),
+        onNominate: (r) => handleNominateChild(r, row.id),
+      }),
+  },
+  {
+    title: "",
+    key: "flag",
+    width: 50,
+    render: (row) =>
+      h(FlagCell, {
+        flag: row.flag ?? null,
+        isAdmin: isAdmin.value,
+        "onUpdate:flag": (flag: FlagType) => updateFlag(row, flag),
+      }),
+  },
  {
    title: "时间",
    key: "created",
@@ -206,43 +224,76 @@ const columns: DataTableColumn<SubmissionOut>[] = [
  {
    title: "任务",
    key: "task_title",
-    render: (submission) => h(TaskTitle, { submission }),
+    render: (row) => h(TaskTitle, { submission: row }),
  },
  {
-    title: "我打的分",
-    key: "my_score",
-    render: (row) => {
-      if (row.my_score > 0) return row.my_score
-      else return "-"
-    },
-  },
-  {
-    title: "平均得分",
+    title: "得分",
    key: "score",
-    render: (row) => {
-      if (row.score > 0) return row.score.toFixed(2)
-      else return "-"
-    },
-  },
-  {
-    title: "提示词",
-    key: "conversation_id",
    width: 70,
    render: (row) => {
-      if (!row.conversation_id) return "-"
+      const myScore = row.my_score > 0 ? String(row.my_score) : "-"
+      const avgScore = row.score > 0 ? row.score.toFixed(2) : "-"
      return h(
-        NButton,
-        { text: true, type: "primary", onClick: () => showChain(row.conversation_id!) },
-        () => "查看",
+        "div",
+        { style: { display: "flex", gap: "6px", alignItems: "baseline" } },
+        [
+          h("span", avgScore),
+          h("span", { style: { fontSize: "11px", color: "#999" } }, myScore),
+        ],
      )
    },
  },
+  {
+    title: "次数",
+    key: "submit_count",
+    width: 60,
+    render: (row) => row.submit_count || "-",
+  },
 ]

+async function handleExpand(keys: (string | number)[]) {
+  const strKeys = keys.map(String)
+  const newKey = strKeys.find((k) => !expandedKeys.value.includes(k))
+  expandedKeys.value = strKeys
+  if (newKey) {
+    const row = data.value.find((d) => d.id === newKey)
+    if (row && !expandedData.has(newKey)) {
+      expandedLoading.add(newKey)
+      try {
+        const items = await Submission.listByUserTask(row.userid, row.task_id)
+        expandedData.set(newKey, items)
+      } finally {
+        expandedLoading.delete(newKey)
+      }
+    }
+  }
+}
+
+async function handleDelete(row: SubmissionOut, parentId: string) {
+  await Submission.delete(row.id)
+  const items = expandedData.get(parentId)
+  if (items)
+    expandedData.set(
+      parentId,
+      items.filter((d) => d.id !== row.id),
+    )
+  if (submission.value.id === row.id) submission.value.id = ""
+  const res = await Submission.list(query)
+  data.value = res.items
+  count.value = res.count
+}
+
 function rowProps(row: SubmissionOut) {
  return {
    style: { cursor: "pointer" },
-    onClick: () => getSubmissionByID(row.id),
+    onClick: () => {
+      getSubmissionByID(row.id)
+      handleExpand(
+        expandedKeys.value.includes(row.id)
+          ? expandedKeys.value.filter((k) => k !== row.id)
+          : [...expandedKeys.value, row.id],
+      )
+    },
  }
 }

@@ -251,6 +302,8 @@ function rowClassName(row: SubmissionOut) {
 }

 async function init() {
+  expandedKeys.value = []
+  expandedData.clear()
  const res = await Submission.list(query)
  data.value = res.items
  count.value = res.count
@@ -260,11 +313,26 @@ 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
-    }
+    if (d.id === submission.value.id) d.my_score = submission.value.my_score
    return d
  })
 }
@@ -291,6 +359,14 @@ watchDebounced(
  },
  { debounce: 500, maxWait: 1000 },
 )
+watch(
+  () => query.flag,
+  () => {
+    query.page = 1
+    init()
+  },
+)
+
 onMounted(init)
 onUnmounted(() => {
  submission.value = {
@@ -311,11 +387,12 @@ onUnmounted(() => {
  }
 })
 </script>
+
 <style scoped>
 .container {
  padding: 10px;
  box-sizing: border-box;
-  height: calc(100% - 43px);
+  width: 100%;
 }

 :deep(.row-active td) {
--- a/src/pages/TutorialEditor.vue
+++ b/src/pages/TutorialEditor.vue
@@ -81,7 +81,6 @@ const message = useMessage()
 const confirm = useDialog()

 const list = ref<TutorialSlim[]>([])
-const content = ref("")
 const tutorial = reactive({
  display: 0,
  title: "",
@@ -102,7 +101,6 @@ function createNew() {
  tutorial.title = ""
  tutorial.content = ""
  tutorial.is_public = false
-  content.value = ""
 }

 async function submit() {
@@ -114,7 +112,6 @@ async function submit() {
    tutorial.content = ""
    tutorial.is_public = false
    await getContent()
-    content.value = ""
  } catch (error: any) {
    message.error(error.response.data.detail)
  }
--- a/src/store/prompt.ts
+++ b/src/store/prompt.ts
@@ -1,6 +1,9 @@
 import { ref } from "vue"
 import { WS_BASE_URL } from "../utils/const"
 import { html, css, js } from "./editors"
+import { Prompt } from "../api"
+import type { PromptMessage as RawMessage } from "../utils/type"
+import { user } from "./user"

 export interface PromptMessage {
  role: "user" | "assistant"
@@ -13,8 +16,16 @@ export const messages = ref<PromptMessage[]>([])
 export const conversationId = ref<string>("")
 export const connected = ref(false)
 export const streaming = ref(false)
+export const historyLoading = ref(false)
+let _historyLoadId = 0
 export const streamingContent = ref("")
-let _onCodeComplete: ((code: { html: string | null; css: string | null; js: string | null }) => void) | null = null
+let _onCodeComplete:
+  | ((code: {
+      html: string | null
+      css: string | null
+      js: string | null
+    }) => void)
+  | null = null

 export function setOnCodeComplete(fn: typeof _onCodeComplete) {
  _onCodeComplete = fn
@@ -35,15 +46,21 @@ export function connectPrompt(taskId: number) {
    const data = JSON.parse(event.data)

    if (data.type === "init") {
+      // Skip overwriting messages if HTTP preload already loaded this conversation.
+      // If conversation_id differs (e.g. after "新对话"), always overwrite.
+      const alreadyLoaded = conversationId.value === data.conversation_id
      conversationId.value = data.conversation_id
+      if (!alreadyLoaded) {
        messages.value = data.messages || []
        // Apply code from last assistant message if exists
+        // (skipped when HTTP preload already loaded and applied)
        const lastAssistant = [...messages.value]
          .reverse()
          .find((m) => m.role === "assistant" && m.code)
        if (lastAssistant?.code) {
          applyCode(lastAssistant.code)
        }
+      }
    } else if (data.type === "stream") {
      streaming.value = true
      streamingContent.value += data.content
@@ -79,6 +96,8 @@ export function connectPrompt(taskId: number) {
 }

 export function disconnectPrompt() {
+  _historyLoadId++ // cancel any in-flight loadHistory
+  historyLoading.value = false // reset here; finally block won't (loadId mismatch)
  if (ws) {
    ws.close()
    ws = null
@@ -91,6 +110,58 @@ export function disconnectPrompt() {
  _onCodeComplete = null
 }

+export async function loadHistory(taskId: number) {
+  const loadId = ++_historyLoadId
+  historyLoading.value = true
+  try {
+    const convs = await Prompt.listConversations(taskId)
+    console.log(
+      "[loadHistory] convs:",
+      convs.map((c: any) => ({
+        id: c.id,
+        is_active: c.is_active,
+        message_count: c.message_count,
+        username: c.username,
+      })),
+      "user.username:",
+      user.username,
+    )
+    if (loadId !== _historyLoadId) return // navigated away, abort
+    const active = convs.find(
+      (c: { is_active: boolean; message_count: number; username: string }) =>
+        c.is_active && c.message_count > 0 && c.username === user.username,
+    )
+    console.log("[loadHistory] active:", active)
+    if (!active) return
+    const raw: RawMessage[] = await Prompt.getMessages(active.id)
+    console.log("[loadHistory] raw messages:", raw.length)
+    if (loadId !== _historyLoadId) return // navigated away, abort
+    // Only apply if nothing has arrived via WebSocket yet
+    if (messages.value.length > 0) return
+    conversationId.value = active.id
+    messages.value = raw.map((m) => ({
+      role: m.role as "user" | "assistant",
+      content: m.content,
+      code:
+        m.role === "assistant"
+          ? { html: m.code_html, css: m.code_css, js: m.code_js }
+          : undefined,
+      created: m.created,
+    }))
+    // Apply code from last assistant message to editors
+    const lastAssistant = [...messages.value]
+      .reverse()
+      .find((m) => m.role === "assistant" && m.code)
+    if (lastAssistant?.code) {
+      applyCode(lastAssistant.code)
+    }
+  } catch {
+    // 静默失败，不影响 WebSocket 正常流程
+  } finally {
+    if (loadId === _historyLoadId) historyLoading.value = false
+  }
+}
+
 export function sendPrompt(content: string) {
  if (!ws || ws.readyState !== WebSocket.OPEN) return
  messages.value.push({ role: "user", content })
@@ -102,7 +173,11 @@ export function newConversation() {
  ws.send(JSON.stringify({ type: "new_conversation" }))
 }

-function applyCode(code: { html: string | null; css: string | null; js: string | null }) {
+function applyCode(code: {
+  html: string | null
+  css: string | null
+  js: string | null
+}) {
  if (code.html !== null) html.value = code.html
  if (code.css !== null) css.value = code.css
  if (code.js !== null) js.value = code.js
--- a/src/utils/const.ts
+++ b/src/utils/const.ts
@@ -39,7 +39,8 @@ export const ADMIN_URL = import.meta.env.PUBLIC_ADMIN_URL

 export const BASE_URL = import.meta.env.PUBLIC_BASE_URL

-export const WS_BASE_URL = import.meta.env.PUBLIC_WS_URL || `ws://${window.location.host}`
+export const WS_BASE_URL =
+  import.meta.env.PUBLIC_WS_URL || `ws://${window.location.host}`

 export enum TASK_TYPE {
  Tutorial = "tutorial",
--- a/src/utils/type.ts
+++ b/src/utils/type.ts
@@ -1,5 +1,15 @@
 import type { TASK_TYPE } from "./const"

+export interface PromptMessage {
+  id: number
+  role: string
+  content: string
+  code_html: string | null
+  code_css: string | null
+  code_js: string | null
+  created: string
+}
+
 export enum Role {
  Super = "super",
  Admin = "admin",
@@ -14,6 +24,8 @@ export function getRole(role: Role) {
  }[role]
 }

+export type FlagType = "red" | "blue" | "green" | "yellow" | null
+
 export interface TutorialSlim {
  display: number
  title: string
@@ -58,12 +70,16 @@ export interface SubmissionOut {
  id: string
  userid: number
  username: string
+  task_id: number
  task_display: number
  task_type: TASK_TYPE
  task_title: string
  score: number
  my_score: number
  conversation_id?: string
+  flag?: FlagType
+  nominated: boolean
+  submit_count: number
  created: Date
  modified: Date
 }
@@ -78,9 +94,60 @@ export interface SubmissionAll {
  task_title: string
  score: number
  my_score: number
+  flag?: FlagType
  html: ""
  css: ""
  js: ""
  created: Date
  modified: Date
 }
+
+export interface UserTag {
+  username: string
+  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
+  count_3: number
+  count_4_plus: number
+}
+
+export interface ScoreBucket {
+  range_1_2: number
+  range_2_3: number
+  range_3_4: number
+  range_4_5: number
+  range_5: number
+}
+
+export interface FlagStats {
+  red: number
+  blue: number
+  green: number
+  yellow: number
+}
+
+export interface TaskStatsOut {
+  submitted_count: number
+  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[]
+}
--- a/tsconfig.app.json
+++ b/tsconfig.app.json
@@ -10,5 +10,5 @@
    "noFallthroughCasesInSwitch": true,
    "noUncheckedSideEffectImports": true
  },
-  "include": ["src/**/*.ts", "src/**/*.tsx", "src/**/*.vue"]
+  "include": ["src/**/*.ts", "src/**/*.vue"]
 }
Author	SHA1	Message	Date
yuetsh	a7cfa66952	fix Some checks failed Deploy / deploy (build, debian, 22) (push) Has been cancelled Details Deploy / deploy (build:staging, school, 8822) (push) Has been cancelled Details	2026-03-18 20:07:00 +08:00
yuetsh	0636ad6f57	fix Some checks failed Deploy / deploy (build, debian, 22) (push) Has been cancelled Details Deploy / deploy (build:staging, school, 8822) (push) Has been cancelled Details	2026-03-18 20:01:53 +08:00
yuetsh	e0f1cdb337	fix Some checks failed Deploy / deploy (build, debian, 22) (push) Has been cancelled Details Deploy / deploy (build:staging, school, 8822) (push) Has been cancelled Details	2026-03-18 19:57:00 +08:00
yuetsh	88d6ffaf53	fix Some checks failed Deploy / deploy (build, debian, 22) (push) Has been cancelled Details Deploy / deploy (build:staging, school, 8822) (push) Has been cancelled Details	2026-03-18 19:50:55 +08:00
yuetsh	83cd62a110	add stats Some checks failed Deploy / deploy (build, debian, 22) (push) Has been cancelled Details Deploy / deploy (build:staging, school, 8822) (push) Has been cancelled Details	2026-03-18 19:46:33 +08:00
yuetsh	4e95a2fad0	update Some checks failed Deploy / deploy (build, debian, 22) (push) Has been cancelled Details Deploy / deploy (build:staging, school, 8822) (push) Has been cancelled Details	2026-03-18 18:40:15 +08:00
yuetsh	dd52e3e1f9	fix Some checks failed Deploy / deploy (build, debian, 22) (push) Has been cancelled Details Deploy / deploy (build:staging, school, 8822) (push) Has been cancelled Details	2026-03-18 18:06:39 +08:00
yuetsh	3c6b616d81	fix	2026-03-18 18:06:37 +08:00
yuetsh	0dd5cbeee9	fix Some checks failed Deploy / deploy (build, debian, 22) (push) Has been cancelled Details Deploy / deploy (build:staging, school, 8822) (push) Has been cancelled Details	2026-03-18 15:45:42 +08:00
yuetsh	d68ef60ab9	update Some checks failed Deploy / deploy (build, debian, 22) (push) Has been cancelled Details Deploy / deploy (build:staging, school, 8822) (push) Has been cancelled Details	2026-03-18 14:50:20 +08:00
yuetsh	98d8099b5d	fix Some checks failed Deploy / deploy (build, debian, 22) (push) Has been cancelled Details Deploy / deploy (build:staging, school, 8822) (push) Has been cancelled Details	2026-03-16 18:23:31 +08:00
yuetsh	040e4e3253	fix Some checks failed Deploy / deploy (build, debian, 22) (push) Has been cancelled Details Deploy / deploy (build:staging, school, 8822) (push) Has been cancelled Details	2026-03-16 17:55:49 +08:00
yuetsh	7e65340f63	add icon url Some checks failed Deploy / deploy (build, debian, 22) (push) Has been cancelled Details Deploy / deploy (build:staging, school, 8822) (push) Has been cancelled Details	2026-03-10 14:17:44 +08:00
yuetsh	2bd9382c8c	fix: register plaintext hljs language and handle profile fetch error Some checks failed Deploy / deploy (build, debian, 22) (push) Has been cancelled Details Deploy / deploy (build:staging, school, 8822) (push) Has been cancelled Details - Register highlight.js plaintext language to fix "Unknown language" error - Add try/catch around getMyProfile() to handle network errors gracefully - Add components.d.ts to .gitignore (auto-generated by unplugin-vue-components) Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>	2026-03-10 11:59:18 +08:00
yuetsh	a7aa4f63ac	add leaderboard Some checks failed Deploy / deploy (build, debian, 22) (push) Has been cancelled Details Deploy / deploy (build:staging, school, 8822) (push) Has been cancelled Details	2026-03-09 20:00:11 +08:00
yuetsh	9c577f9bc1	自动提交之后提示成功提交 Some checks failed Deploy / deploy (build, debian, 22) (push) Has been cancelled Details Deploy / deploy (build:staging, school, 8822) (push) Has been cancelled Details	2026-03-09 19:22:33 +08:00
yuetsh	016e070fb9	fix: use null instead of empty string for flag filter initial value Some checks failed Deploy / deploy (build, debian, 22) (push) Has been cancelled Details Deploy / deploy (build:staging, school, 8822) (push) Has been cancelled Details Axios sends empty string as query param which fails django-ninja Literal validation. Null is omitted from params entirely. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>	2026-03-09 18:15:35 +08:00
yuetsh	0ee8b0d6ea	Add flag filter dropdown to submissions page Allows filtering submissions by flag color using a select dropdown. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>	2026-03-09 17:29:00 +08:00
yuetsh	334b2d77b1	Add flag column with admin popover to submissions table Admins can click the flag dot to set/clear colored flags on submissions. Non-admins see the flag indicator as read-only. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>	2026-03-09 17:26:16 +08:00
yuetsh	b4bfc7706c	Add FlagType and updateFlag API method to frontend Add FlagType to type definitions and flag field to SubmissionOut/SubmissionAll interfaces. Add updateFlag method to Submission API client. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>	2026-03-09 17:25:37 +08:00