diff --git a/src/pages/Dashboard.vue b/src/pages/Dashboard.vue
index fa06d1c..cff449b 100644
--- a/src/pages/Dashboard.vue
+++ b/src/pages/Dashboard.vue
@@ -48,6 +48,11 @@ const menu = computed(() =>
       route: { name: "showcase-manage" },
       show: roleSuper.value,
     },
+    {
+      label: "平时成绩",
+      route: { name: "gradebook" },
+      show: roleAdmin.value || roleSuper.value,
+    },
     {
       label: "提交",
       route: { name: "submissions", params: { page: 1 } },
diff --git a/src/pages/Gradebook.vue b/src/pages/Gradebook.vue
new file mode 100644
index 0000000..1936bcd
--- /dev/null
+++ b/src/pages/Gradebook.vue
@@ -0,0 +1,423 @@
+<template>
+  <n-flex vertical class="gradebook-page" :size="12">
+    <n-flex class="toolbar" align="center" justify="space-between">
+      <n-flex align="center" :size="8" class="filters">
+        <n-select
+          v-model:value="query.classname"
+          class="class-select"
+          :options="classOptions"
+          placeholder="班级"
+          :loading="classesLoading"
+        />
+        <n-select
+          v-model:value="query.task_type"
+          class="type-select"
+          :options="taskTypeOptions"
+        />
+        <n-input
+          v-model:value="query.username"
+          class="search-input"
+          clearable
+          placeholder="学生搜索"
+        />
+        <n-switch v-model:value="query.include_all_tasks">
+          <template #checked>全部有提交任务</template>
+          <template #unchecked>只看计入任务</template>
+        </n-switch>
+      </n-flex>
+      <n-flex align="center" :size="8">
+        <n-button
+          secondary
+          title="刷新"
+          :disabled="!query.classname"
+          :loading="loading"
+          @click="loadGradebook"
+        >
+          <template #icon>
+            <Icon icon="lucide:refresh-cw" :width="15" />
+          </template>
+        </n-button>
+        <n-button
+          type="primary"
+          secondary
+          :disabled="!query.classname || !gradebook"
+          :loading="exporting"
+          @click="exportCsv"
+        >
+          <template #icon>
+            <Icon icon="lucide:download" :width="15" />
+          </template>
+          导出 CSV
+        </n-button>
+      </n-flex>
+    </n-flex>
+
+    <n-alert v-if="loadError" type="error" closable @close="loadError = ''">
+      {{ loadError }}
+    </n-alert>
+
+    <n-flex v-if="gradebook" class="summary" align="center" :size="8">
+      <n-tag size="small">学生 {{ gradebook.student_count }}</n-tag>
+      <n-tag size="small">任务 {{ gradebook.task_count }}</n-tag>
+      <n-tag size="small" type="success">
+        计入 {{ gradebook.included_task_count }}
+      </n-tag>
+      <n-tag size="small">
+        覆盖门槛 {{ gradebook.coverage_threshold_count }} 人
+      </n-tag>
+    </n-flex>
+
+    <n-data-table
+      class="gradebook-table"
+      size="small"
+      striped
+      flex-height
+      :loading="loading"
+      :columns="columns"
+      :data="rows"
+      :row-key="(row: GradebookRow) => row.user_id"
+      :scroll-x="scrollX"
+    />
+  </n-flex>
+</template>
+
+<script setup lang="ts">
+import { computed, h, onMounted, reactive, ref, watch } from "vue"
+import { Icon } from "@iconify/vue"
+import { watchDebounced } from "@vueuse/core"
+import {
+  NButton,
+  NTag,
+  NText,
+  useMessage,
+  type DataTableColumn,
+} from "naive-ui"
+import { useRouter } from "vue-router"
+import { Account, Gradebook } from "../api"
+import type {
+  GradebookCell,
+  GradebookOut,
+  GradebookQuery,
+  GradebookRow,
+  GradebookTask,
+  GradebookTaskType,
+} from "../utils/type"
+
+const router = useRouter()
+const message = useMessage()
+const classesLoading = ref(false)
+const loading = ref(false)
+const exporting = ref(false)
+const loadError = ref("")
+const gradebook = ref<GradebookOut | null>(null)
+const classes = ref<string[]>([])
+
+const query = reactive<GradebookQuery>({
+  classname: "",
+  task_type: "",
+  username: "",
+  include_all_tasks: false,
+})
+
+const taskTypeOptions: { label: string; value: GradebookTaskType | "" }[] = [
+  { label: "全部", value: "" },
+  { label: "教程", value: "tutorial" },
+  { label: "挑战", value: "challenge" },
+]
+
+const classOptions = computed(() =>
+  classes.value.map((classname) => ({ label: classname, value: classname })),
+)
+const rows = computed(() => gradebook.value?.rows ?? [])
+const scrollX = computed(() => 860 + (gradebook.value?.tasks.length ?? 0) * 96)
+
+function formatScore(value: number | null) {
+  if (value === null) return "-"
+  return Number.isInteger(value) ? String(value) : value.toFixed(2)
+}
+
+function taskTitle(task: GradebookTask) {
+  const typeLabel = task.task_type === "tutorial" ? "教程" : "挑战"
+  return `${typeLabel}${task.display}`
+}
+
+function openSubmission(cell: GradebookCell) {
+  if (!cell.submitted || !cell.submission_id) return
+  const { href } = router.resolve({
+    name: "submission",
+    params: { id: cell.submission_id },
+  })
+  window.open(href, "_blank")
+}
+
+function gradeTagType(grade: string) {
+  if (grade === "A") return "success"
+  if (grade === "B") return "info"
+  if (grade === "C") return "default"
+  return "warning"
+}
+
+function renderTaskHeader(task: GradebookTask) {
+  return h("div", { class: ["task-header", { muted: !task.included }] }, [
+    h("div", { class: "task-title", title: task.title }, taskTitle(task)),
+    h("div", { class: "task-meta" }, [
+      h("span", `${Math.round(task.coverage * 100)}%`),
+      task.included
+        ? null
+        : h(NTag, { size: "tiny", round: false }, { default: () => "未计入" }),
+    ]),
+  ])
+}
+
+function renderScore(row: GradebookRow, task: GradebookTask) {
+  const cell = row.scores[task.id]
+  if (!cell || !cell.submitted) {
+    return h("span", { class: "missing-cell" }, "缺交")
+  }
+  return h(
+    NButton,
+    {
+      text: true,
+      type: task.included ? "primary" : "default",
+      class: ["score-link", { muted: !task.included }],
+      onClick: (event: MouseEvent) => {
+        event.stopPropagation()
+        openSubmission(cell)
+      },
+    },
+    { default: () => formatScore(cell.score) },
+  )
+}
+
+const columns = computed<DataTableColumn<GradebookRow>[]>(() => {
+  const tasks = gradebook.value?.tasks ?? []
+  return [
+    {
+      title: "排名",
+      key: "rank",
+      width: 66,
+      fixed: "left",
+    },
+    {
+      title: "等级",
+      key: "grade",
+      width: 66,
+      fixed: "left",
+      render: (row) =>
+        h(
+          NTag,
+          { size: "small", type: gradeTagType(row.grade) },
+          { default: () => row.grade },
+        ),
+    },
+    {
+      title: "学生",
+      key: "username",
+      width: 140,
+      fixed: "left",
+      render: (row) =>
+        h(NText, { title: row.username }, { default: () => row.username }),
+    },
+    {
+      title: "班级",
+      key: "classname",
+      width: 90,
+      fixed: "left",
+    },
+    ...tasks.map((task) => ({
+      title: () => renderTaskHeader(task),
+      key: `task-${task.id}`,
+      width: 96,
+      align: "center" as const,
+      className: task.included ? "" : "excluded-task-column",
+      render: (row: GradebookRow) => renderScore(row, task),
+    })),
+    {
+      title: "教程合计",
+      key: "tutorial_total",
+      width: 92,
+      fixed: "right",
+      render: (row) => formatScore(row.tutorial_total),
+    },
+    {
+      title: "挑战合计",
+      key: "challenge_total",
+      width: 92,
+      fixed: "right",
+      render: (row) => formatScore(row.challenge_total),
+    },
+    {
+      title: "总分",
+      key: "total_score",
+      width: 82,
+      fixed: "right",
+      render: (row) => formatScore(row.total_score),
+    },
+    {
+      title: "平均",
+      key: "average_score",
+      width: 82,
+      fixed: "right",
+      render: (row) => formatScore(row.average_score),
+    },
+    {
+      title: "已交",
+      key: "submitted_task_count",
+      width: 70,
+      fixed: "right",
+    },
+    {
+      title: "缺交",
+      key: "missing_task_count",
+      width: 70,
+      fixed: "right",
+    },
+  ]
+})
+
+async function loadClasses() {
+  classesLoading.value = true
+  try {
+    classes.value = await Account.listClasses()
+    if (!query.classname && classes.value.length > 0) {
+      query.classname = classes.value[0]
+    }
+  } finally {
+    classesLoading.value = false
+  }
+}
+
+async function loadGradebook() {
+  if (!query.classname) {
+    gradebook.value = null
+    return
+  }
+  loading.value = true
+  loadError.value = ""
+  try {
+    gradebook.value = await Gradebook.get(query)
+    classes.value = gradebook.value.classes
+  } catch (err: any) {
+    loadError.value = err.response?.data?.detail ?? "成绩册加载失败"
+  } finally {
+    loading.value = false
+  }
+}
+
+async function exportCsv() {
+  if (!query.classname) return
+  exporting.value = true
+  try {
+    await Gradebook.downloadCsv(query)
+  } catch (err: any) {
+    message.error(err.response?.data?.detail ?? "导出失败")
+  } finally {
+    exporting.value = false
+  }
+}
+
+watch(
+  () => [query.classname, query.task_type, query.include_all_tasks],
+  () => loadGradebook(),
+)
+
+watchDebounced(
+  () => query.username,
+  () => loadGradebook(),
+  { debounce: 400, maxWait: 1000 },
+)
+
+onMounted(async () => {
+  await loadClasses()
+  await loadGradebook()
+})
+</script>
+
+<style scoped>
+.gradebook-page {
+  height: 100%;
+  min-width: 0;
+  box-sizing: border-box;
+  padding: 10px 10px 10px 0;
+  overflow: hidden;
+}
+
+.toolbar,
+.summary {
+  flex-shrink: 0;
+}
+
+.filters {
+  min-width: 0;
+  flex-wrap: wrap;
+}
+
+.class-select {
+  width: 150px;
+}
+
+.type-select {
+  width: 112px;
+}
+
+.search-input {
+  width: 160px;
+}
+
+.gradebook-table {
+  flex: 1;
+  min-height: 0;
+}
+
+.task-header {
+  min-width: 0;
+  line-height: 1.2;
+}
+
+.task-header.muted {
+  color: #888;
+}
+
+.task-title {
+  overflow: hidden;
+  text-overflow: ellipsis;
+  white-space: nowrap;
+  font-weight: 600;
+}
+
+.task-meta {
+  display: flex;
+  min-height: 18px;
+  align-items: center;
+  justify-content: center;
+  gap: 4px;
+  margin-top: 2px;
+  color: #999;
+  font-size: 11px;
+}
+
+.missing-cell {
+  color: #d03050;
+  font-size: 12px;
+}
+
+.score-link.muted {
+  color: #777;
+}
+
+:deep(.excluded-task-column) {
+  background: #fafafa;
+}
+
+@media (max-width: 720px) {
+  .toolbar {
+    align-items: flex-start;
+  }
+
+  .class-select,
+  .type-select,
+  .search-input {
+    width: 100%;
+  }
+}
+</style>
diff --git a/src/router.ts b/src/router.ts
index 379bb1e..936b0e7 100644
--- a/src/router.ts
+++ b/src/router.ts
@@ -64,6 +64,11 @@ const routes = [
         name: "showcase-manage",
         component: () => import("./pages/ShowcaseManage.vue"),
       },
+      {
+        path: "gradebook",
+        name: "gradebook",
+        component: () => import("./pages/Gradebook.vue"),
+      },
     ],
   },
 ]