diff --git a/src/assets/config/menu.ts b/src/assets/config/menu.ts
index bb53f08..bd932cd 100644
--- a/src/assets/config/menu.ts
+++ b/src/assets/config/menu.ts
@@ -6,13 +6,16 @@ import type { IModule } from "@/store";
  * 注：课程作业不做审批、不开放应用设置，故不含「审批列表/审核设置/应用设置」；
  *     平台模块配置若仍下发 modId 5/6/21，由 utils/menuRoute 的 DROPPED_MOD_IDS
  *     统一剔除（见 classwork-frontend-m5-plan.md §6、§7）。
+ * v1「已收到」(modId 1) 收件箱已随 M5 下线：学生端入口为 /stu/today（今日作业）。
  */
 export function getMenuList(): Promise<IModule[]> {
     const menu: IModule[] = [
-        { id: 1, modId: 1, name: "已收到", page: "/" },
-        { id: 2, modId: 2, name: "已发送", page: "/list" },
+        { id: 2, modId: 2, name: "我布置的", page: "/list" },
+        { id: 26, modId: 26, name: "批改中心", page: "/grade" },
         { id: 3, modId: 3, name: "全部作业", page: "/homeworklist" },
         { id: 4, modId: 4, name: "作业统计", page: "/stats" },
+        { id: 31, modId: 31, name: "今日作业", page: "/stu/today" },
+        { id: 32, modId: 32, name: "待订正", page: "/stu/redo" },
     ];
     return Promise.resolve(menu);
 }
diff --git a/src/utils/menuRoute.ts b/src/utils/menuRoute.ts
index 601496e..4ba363f 100644
--- a/src/utils/menuRoute.ts
+++ b/src/utils/menuRoute.ts
@@ -39,7 +39,10 @@ const NAME_ALIASES: Record<string, string> = {
     作业发送: "/list/new",
     发作业: "/list/new",
     已发作业: "/list",
-    已收作业: "/accept",
+    // v1 收件箱已下线（M5 §2.3）：旧叫法统一导向学生今日作业
+    已收到: "/stu/today",
+    已收作业: "/stu/today",
+    今日作业: "/stu/today",
     作业列表: "/homeworklist",
     统计分析: "/stats",
 };
diff --git a/src/views/homework/HomeworkAccept.vue b/src/views/homework/HomeworkAccept.vue
index 41496b7..e0751ff 100644
--- a/src/views/homework/HomeworkAccept.vue
+++ b/src/views/homework/HomeworkAccept.vue
@@ -1,117 +1,192 @@
 <script setup lang="ts">
-import { ref, onMounted } from "vue";
-import { useRequest } from "alova/client";
-import { Message, Tooltip } from "view-ui-plus";
-import { homeworkApi } from "@/api/module/homework";
-import type { HomeworkDetailVo, HomeworkQuery, HomeworkVo, HomeworkPageResult } from "@/types/homework";
+import { ref, reactive, computed, onMounted, onUnmounted, watch } from "vue";
+import { useRoute, useRouter } from "vue-router";
+import { Message } from "view-ui-plus";
+import { studentApi } from "@/api/module/studentHomework";
+import type { AttachmentItem, StudentHomeworkDetailV2Vo, StudentResultVo, SubmissionVersionVo } from "@/types/homeworkV2";
+import AttachmentUpload from "@/components/AttachmentUpload.vue";
+import MyConfirm from "@/components/MyConfirm";
 import FilePreviewModal from "@/components/FilePreviewModal.vue";
-import Utils from "@/utils";
+import config from "@/assets/config/host.config";
 
-/* ============ 左侧列表 ============ */
-const keyword = ref("");
-const pageNum = ref(1);
-const pageSize = ref(50);
-const selected = ref(0);
+/**
+ * 学生作业详情页（M5 P3，PRD 学生页 2/3）：
+ * 作业说明 + 附件 → 进入 3 秒阅读上报 → 我的提交/批阅结果/历史版本 → 提交/撤回/打回重交。
+ */
 
-const { data: page, loading, send: reload } = useRequest(
-    (params: HomeworkQuery) => homeworkApi.list(params),
-    {
-        immediate: false,
-        initialData: { content: [], total: 0, pageIndex: 1, pageSize: 50, totalPages: 0, hasNext: false, unreadCount: 0 },
-    }
-);
+const route = useRoute();
+const router = useRouter();
+const serviceBase = config.isMock ? "" : config.serviceHost;
 
-async function run() {
-    const data: HomeworkPageResult<HomeworkVo> = await reload({
-        keyword: keyword.value || "",
-        pageIndex: pageNum.value,
-        pageSize: pageSize.value,
-        orderByTime: "1",
-    });
-    // 默认选中第一条（同旧版进入页面即展示最新作业）
-    const list = data?.content || [];
-    if (!detail.value && list.length) {
-        selected.value = 0;
-        await loadDetail(list[0].id, true);
-    }
-}
-function onSearch() {
-    pageNum.value = 1;
-    run();
-}
-function onClear() {
-    keyword.value = "";
-    onSearch();
-}
+const serid = computed(() => Number(route.query.serid) || 0);
 
-/* 一键已读（旧版 icon-saoba 清除按钮） */
-async function allRead() {
+const detail = ref<StudentHomeworkDetailV2Vo | null>(null);
+const result = ref<StudentResultVo | null>(null);
+const loading = ref(false);
+
+async function load() {
+    if (!serid.value) return;
+    loading.value = true;
     try {
-        await homeworkApi.initializeRed().send();
-        Message.success("操作成功！");
-        run();
-        if (detail.value) loadDetail(detail.value.serid, false);
-    } catch (e: any) {
-        Message.error(e.message || "操作失败");
-    }
-}
-
-/* ============ 右侧详情 ============ */
-const detail = ref<HomeworkDetailVo | null>(null);
-const detailLoading = ref(false);
-
-onMounted(async () => {
-    run();
-});
-
-async function checkHomework(item: HomeworkVo, index: number) {
-    selected.value = index;
-    await loadDetail(item.id, true);
-}
-
-async function loadDetail(serid: number, markRead: boolean) {
-    detailLoading.value = true;
-    try {
-        detail.value = await homeworkApi.modify(serid, markRead ? 1 : 0).send();
-        if (markRead) {
-            // 标读后刷新左侧未读状态
-            run();
+        detail.value = await studentApi.detail(serid.value).send();
+        result.value = await studentApi.result(serid.value).send().catch(() => null);
+        // 待订正：重交表单预填上一版内容；其余状态下表单内容按需在 openForm 时回填
+        const d = detail.value;
+        if (d.my?.submitStatus === "RETURNED") {
+            form.text = d.myText || "";
+            form.attachments = [...(d.myAttachments || [])];
         }
     } catch (e: any) {
         Message.error(e.message || "加载作业失败");
+        detail.value = null;
     } finally {
-        detailLoading.value = false;
+        loading.value = false;
     }
 }
 
-/* ============ 附件 ============ */
-function downFile(id: number) {
-    window.location.href = homeworkApi.fileDownUrl(id);
+/* ============ 阅读上报：停留 ≥3 秒，幂等；离开页面即取消 ============ */
+let readTimer: ReturnType<typeof setTimeout> | null = null;
+function armRead() {
+    readTimer = setTimeout(async () => {
+        try {
+            await studentApi.read(serid.value).send();
+        } catch {
+            /* 幂等上报，失败静默 */
+        }
+    }, 3000);
 }
-function downAll() {
-    window.location.href = homeworkApi.allFileDownUrl(detail.value.serid);
+function disarmRead() {
+    if (readTimer) {
+        clearTimeout(readTimer);
+        readTimer = null;
+    }
 }
-
-/** 展示名：后端 name=原始文件名，filename=存储相对路径（homework/2026xxxx/uuid.ext） */
-function displayName(item: { name?: string; filename?: string }) {
-    return item.name || item.filename || "";
-}
-
-/* 附件预览弹窗（open-file-viewer） */
-const previewState = ref<{ show: boolean; fileId: number | null; fileName: string }>({
-    show: false,
-    fileId: null,
-    fileName: "",
+onMounted(() => {
+    load();
+    if (serid.value) armRead();
 });
-function openPreview(item: { name?: string; filename?: string; fileid?: number; id?: number }) {
-    previewState.value = {
-        show: true,
-        fileId: Number(item.fileid || item.id) || null,
-        fileName: displayName(item),
-    };
+watch(
+    () => route.query.serid,
+    (v) => {
+        disarmRead();
+        if (Number(v) > 0) armRead();
+        load();
+    }
+);
+onUnmounted(disarmRead);
+
+/* ============ 状态口径 ============ */
+const STATUS_TEXT: Record<string, string> = {
+    NOT_SUBMITTED: "未提交",
+    SUBMITTED: "已提交·待批",
+    LATE_SUBMITTED: "逾期补交·待批",
+    RETURNED: "待订正",
+    REVIEWED: "已批阅",
+};
+const STATUS_COLOR: Record<string, string> = {
+    NOT_SUBMITTED: "default",
+    SUBMITTED: "blue",
+    LATE_SUBMITTED: "warning",
+    RETURNED: "error",
+    REVIEWED: "success",
+};
+const HW_COLOR: Record<string, string> = { PUBLISHED: "green", CLOSED: "orange", ARCHIVED: "default" };
+
+const my = computed(() => detail.value?.my || null);
+const myStatus = computed(() => my.value?.submitStatus || "NOT_SUBMITTED");
+const isViewOnly = computed(() => (detail.value?.submitType || []).includes("none") || (detail.value?.submitType || []).length === 0);
+const types = computed(() => detail.value?.submitType || []);
+/** 截止口径：PUBLISHED 可交；CLOSED 且 allowLate=1 可补交 */
+const canSubmitByDeadline = computed(() => {
+    const d = detail.value;
+    if (!d || isViewOnly.value) return false;
+    if (d.hwStatus === "PUBLISHED") return true;
+    if (d.hwStatus === "CLOSED") return d.allowLate === 1;
+    return false;
+});
+const preDeadline = computed(() => {
+    const d = detail.value;
+    if (!d?.deadlineAt) return true;
+    return new Date(String(d.deadlineAt).replace(/-/g, "/")).getTime() > Date.now();
+});
+function dueInfo() {
+    const d = detail.value?.deadlineAt;
+    if (!d) return { text: "无截止", cls: "" };
+    const t = new Date(String(d).replace(/-/g, "/")).getTime();
+    const diffH = (t - Date.now()) / 3600000;
+    if (diffH < 0) return { text: "已截止", cls: "overdue" };
+    if (diffH < 24) return { text: `剩 ${Math.max(1, Math.round(diffH))} 小时`, cls: "urgent" };
+    return { text: `剩 ${Math.round(diffH / 24)} 天`, cls: "" };
 }
 
-/* 附件图标（按扩展名，图标名对齐旧版 matchSuffix → icon-word/excel/ppt/pdf1/txt/tupian1/yasuo/weizhi） */
+/** 提交表单可见：未交（可交期内）/ 待订正 / 已交未批（修改模式） */
+const showForm = ref(false);
+const isEditMode = ref(false); // 已交未批的「修改提交」：直接 POST 新版本
+function openForm(editMode: boolean) {
+    isEditMode.value = editMode;
+    form.text = detail.value?.myText || "";
+    form.attachments = [...(detail.value?.myAttachments || [])];
+    showForm.value = true;
+}
+
+/* ============ 历史版本（新→旧，含各版评语） ============ */
+const versions = computed<SubmissionVersionVo[]>(() => result.value?.versions || []);
+
+/* ============ 提交 / 撤回 ============ */
+const form = reactive({ text: "", attachments: [] as AttachmentItem[], submitting: false });
+async function doSubmit() {
+    if (!detail.value) return;
+    form.submitting = true;
+    try {
+        if (myStatus.value === "RETURNED" && my.value?.submissionId) {
+            await studentApi.action(detail.value.id, my.value.submissionId, {
+                action: "resubmit",
+                text: form.text,
+                attachments: form.attachments,
+            }).send();
+        } else {
+            await studentApi.submit(detail.value.id, { text: form.text, attachments: form.attachments }).send();
+        }
+        Message.success(myStatus.value === "RETURNED" ? "订正已重新提交" : "提交成功");
+        showForm.value = false;
+        load();
+    } catch (e: any) {
+        Message.error(e.message || "提交失败");
+    } finally {
+        form.submitting = false;
+    }
+}
+function doWithdraw() {
+    if (!my.value) return;
+    MyConfirm({
+        title: "撤回提交",
+        msg: "撤回后可重新编辑提交（截止前有效）",
+        async onOk() {
+            try {
+                await studentApi.action(serid.value, my.value!.submissionId, { action: "withdraw" }).send();
+                Message.success("已撤回");
+                load();
+            } catch (e: any) {
+                Message.error(e.message || "撤回失败");
+            }
+        },
+    });
+}
+
+/* ============ 附件展示/预览/下载（作业附件与提交附件共用） ============ */
+function previewUrl(a: AttachmentItem) {
+    const u = a.fileUrl || "";
+    if (/^(https?:)?\/\//.test(u) || u.startsWith("data:")) return u;
+    return `${serviceBase}${u}`;
+}
+function downUrl(a: AttachmentItem) {
+    return a.fileId ? `${serviceBase}/api/file/Down?id=${a.fileId}` : previewUrl(a);
+}
+const imgPreview = reactive({ open: false, url: "" });
+function zoom(u: string) {
+    imgPreview.url = u;
+    imgPreview.open = true;
+}
 function getFileIcon(name: string) {
     const suffix = String(name || "").split(".").pop()?.toLowerCase() || "";
     if (["doc", "docx", "wps"].includes(suffix)) return "icon-word";
@@ -123,331 +198,371 @@ function getFileIcon(name: string) {
     if (["zip", "rar"].includes(suffix)) return "icon-yasuo";
     return "icon-weizhi";
 }
-/* 可在线预览（open-file-viewer 支持：图片/pdf/txt/docx/xlsx/pptx；doc/zip 等仅下载） */
-function getIsPreview(name: string) {
-    const suffix = String(name || "").split(".").pop()?.toLowerCase() || "";
-    return ["jpg", "jpeg", "png", "gif", "bmp", "webp", "svg", "txt", "pdf", "docx", "xlsx", "pptx"].includes(suffix);
+const previewState = ref<{ show: boolean; fileId: number | null; fileName: string }>({ show: false, fileId: null, fileName: "" });
+function openPreview(a: AttachmentItem) {
+    if (!a.fileId) {
+        zoom(previewUrl(a));
+        return;
+    }
+    previewState.value = { show: true, fileId: a.fileId, fileName: a.fileName || "" };
 }
-
-/* ============ 打印 ============ */
-function onPrint() {
-    if (!detail.value) return;
-    const win = window.open("", "_blank");
-    if (!win) return;
-    win.document.write(`
-        <html>
-            <head><title>${detail.value.title || ""}</title></head>
-            <body style="font-family:'Microsoft YaHei',sans-serif;padding:24px;">
-                <h2>${detail.value.title || ""}</h2>
-                <p style="color:#666;font-size:13px;">
-                    来源：${detail.value.DeptName || ""}　发布人：${detail.value.TeaName || ""}　发布时间：${detail.value.EditDate || ""}
-                </p>
-                <hr/>
-                <div>${detail.value.Contents || ""}</div>
-            </body>
-        </html>
-    `);
-    win.document.close();
-    win.focus();
-    win.print();
-}
-
-/* 时间显示（列表 MM/dd HH:mm，同旧版） */
-function shortDate(date: string) {
-    const d = new Date(String(date || "").replace(/-/g, "/"));
-    if (isNaN(d.getTime())) return date;
-    const pad = (n: number) => String(n).padStart(2, "0");
-    return `${pad(d.getMonth() + 1)}/${pad(d.getDate())} ${pad(d.getHours())}:${pad(d.getMinutes())}`;
-}
-
-/* 时间显示（列表 MM/dd HH:mm，同旧版） */</script>
+</script>
 
 <template>
     <div class="page-wrapper">
-        <div class="main-container">
-            <div class="accept-wrap">
-                <!-- 左侧作业列表 -->
-                <div class="title-list">
-                    <div class="total">
-                        <span>未读<span class="num">{{ page.unreadCount || 0 }}</span>条</span>
-                        <Tooltip content="一键已读" placement="top" transfer>
-                            <i class="iconfont icon-saoba clear-icon" @click="allRead"></i>
-                        </Tooltip>
+        <div class="main-container detail" v-if="detail">
+            <!-- 头部 -->
+            <div class="d-head">
+                <div class="d-title-row">
+                    <Button size="small" icon="ios-arrow-back" @click="router.back()">返回</Button>
+                    <h2 class="d-title">{{ detail.title }}</h2>
+                </div>
+                <div class="d-meta">
+                    <Tag v-if="detail.subject" color="blue">{{ detail.subject }}</Tag>
+                    <Tag :color="HW_COLOR[detail.hwStatus] || 'default'">{{ detail.hwStatusDesc }}</Tag>
+                    <span class="m-item"><Icon type="md-person" size="14" /> {{ detail.teacherName || "—" }}</span>
+                    <span class="m-item" :class="dueInfo().cls">
+                        <Icon type="md-time" size="14" /> 截止 {{ detail.deadlineAt ? String(detail.deadlineAt).slice(0, 16) : "无" }}（{{ dueInfo().text }}）
+                    </span>
+                    <span class="m-item">提交方式：{{ types.includes("none") ? "仅查阅" : [types.includes("image") && "图片", types.includes("attach") && "附件", types.includes("text") && "文字"].filter(Boolean).join(" / ") || "—" }}</span>
+                    <span v-if="my" class="m-item">我的状态：</span>
+                    <Tag v-if="my" :color="STATUS_COLOR[myStatus]">{{ STATUS_TEXT[myStatus] }}<template v-if="my.isLate">（逾期）</template></Tag>
+                </div>
+            </div>
+
+            <!-- 作业说明 -->
+            <div class="sec">
+                <div class="sec-h">作业说明</div>
+                <div class="ql-editor d-desc" v-html="detail.description || '（无文字说明）'"></div>
+                <div v-if="detail.attachments && detail.attachments.length" class="d-atts">
+                    <div class="att" v-for="(a, i) in detail.attachments" :key="i">
+                        <i class="iconfont file-type-icon" :class="getFileIcon(a.fileName || '')"></i>
+                        <span class="att-name" :title="a.fileName">{{ a.fileName || "附件" }}</span>
+                        <a class="att-op" @click="openPreview(a)">查看</a>
+                        <a class="att-op" :href="downUrl(a)" target="_blank">下载</a>
                     </div>
-                    <div class="search-box">
-                        <Input
-                            v-model="keyword"
-                            clearable
-                            search
-                            placeholder="搜索发布人，标题，部门......"
-                            @on-search="onSearch"
-                            @on-clear="onClear"
-                        ></Input>
-                    </div>
-                    <div class="homework-items">
-                        <div
-                            v-for="(item, index) in page.content"
-                            :key="item.id"
-                            :class="{ list_item: true, readed: item.read, active: index == selected }"
-                            @click="checkHomework(item, index)"
-                        >
-                            <div class="tt">{{ item.title }}</div>
-                            <div class="other">
-                                <span>{{ item.deptName }}</span>
-                                <span>{{ shortDate(item.createTime) }}</span>
-                            </div>
+                </div>
+            </div>
+
+            <!-- 打回原因 -->
+            <Alert v-if="myStatus === 'RETURNED'" type="error" show-icon class="mb-12">
+                老师要求订正：{{ result?.latest?.comment || my?.comment || "请订正后重新提交" }}
+            </Alert>
+
+            <!-- 我的提交（当前版本） -->
+            <div class="sec" v-if="my && myStatus !== 'NOT_SUBMITTED'">
+                <div class="sec-h">
+                    我的提交（v{{ my.version }}）
+                    <span class="sec-sub">{{ my.submittedAt ? `提交于 ${String(my.submittedAt).slice(0, 16)}` : "" }}<template v-if="my.isLate"> · 逾期</template></span>
+                </div>
+                <div class="my-text" v-if="detail.myText">{{ detail.myText }}</div>
+                <div class="my-text empty" v-else>（无文字作答）</div>
+                <div class="my-atts" v-if="detail.myAttachments && detail.myAttachments.length">
+                    <template v-for="(a, i) in detail.myAttachments" :key="i">
+                        <div class="th" v-if="(a.fileType || '').toLowerCase() === 'image'" @click="zoom(previewUrl(a))">
+                            <img :src="previewUrl(a)" />
                         </div>
-                        <div v-if="!page.content.length" class="empty">暂无作业</div>
-                    </div>
+                        <div class="file-chip" v-else>
+                            <Icon type="md-document" />
+                            {{ a.fileName || "附件" }}
+                            <a :href="downUrl(a)" target="_blank">下载</a>
+                        </div>
+                    </template>
                 </div>
 
-                <!-- 右侧详情 -->
-                <div class="detail-content" v-if="detail">
-                    <div class="homework-title">
-                        <div class="title-header">
-                            <div class="tt">{{ detail.title }}</div>
-                            <div class="ops fr">
-                                <span class="op" @click="onPrint"><i class="iconfont icon-print"></i><span>打印</span></span>
-                            </div>
-                        </div>
-                        <div class="title-content">
-                            <p>来源：{{ detail.DeptName }}</p>
-                            <p>发布人：{{ detail.TeaName }}</p>
-                            <p>发布时间：{{ detail.EditDate }}</p>
-                            <p>
-                                <span>附件：{{ (detail.ChaoSend || []).length }}个</span>
-                                <span class="to-file" v-if="detail.ChaoSend && detail.ChaoSend.length > 0" @click="downAll">全部下载</span>
-                            </p>
-                        </div>
-                    </div>
-                    <div class="homework-content">
-                        <div class="ql-editor" v-html="detail.Contents"></div>
-                        <div class="file" v-if="detail.ChaoSend && detail.ChaoSend.length > 0">
-                            <div class="file-title">
-                                <span>附件({{ detail.ChaoSend.length }}个)</span>
-                                <span class="all-down" @click="downAll">全部下载</span>
-                            </div>
-                            <div class="file-list">
-                                <div class="file-item" v-for="item in detail.ChaoSend" :key="item.id">
-                                    <div class="left">
-                                        <i class="iconfont file-type-icon" :class="getFileIcon(displayName(item))"></i>
-                                    </div>
-                                    <div class="center">
-                                        <div class="name" :title="displayName(item)">{{ displayName(item) }}</div>
-                                        <div class="size">{{ Utils.getFileSize(item.size) }}</div>
-                                    </div>
-                                    <div class="right">
-                                        <a
-                                            href="javascript:void(0);"
-                                            class="mr-8"
-                                            v-if="getIsPreview(displayName(item))"
-                                            @click="openPreview(item)"
-                                            >查看</a
-                                        >
-                                        <a href="javascript:void(0);" @click="downFile(item.fileid || item.id)">下载</a>
-                                    </div>
-                                </div>
-                            </div>
-                        </div>
-                    </div>
+                <!-- 批阅结果（当前版本已批） -->
+                <div class="review-box ok" v-if="myStatus === 'REVIEWED' && (my?.score != null || my?.comment)">
+                    <div class="sc" v-if="my?.score != null"><b>{{ my.score }}</b><i>得分</i></div>
+                    <div class="cm">{{ my?.comment || "无评语" }}</div>
                 </div>
-                <div class="detail-content empty-detail" v-else>
-                    <span>{{ detailLoading ? "加载中..." : "暂无作业" }}</span>
+
+                <!-- 操作：修改 / 撤回（已交未批 + 截止前） -->
+                <div class="my-ops" v-if="['SUBMITTED', 'LATE_SUBMITTED'].includes(myStatus) && canSubmitByDeadline && !showForm">
+                    <Button icon="md-create" size="small" @click="openForm(true)">修改提交</Button>
+                    <Button icon="md-undo" size="small" v-if="detail.hwStatus === 'PUBLISHED' && preDeadline" @click="doWithdraw">撤回</Button>
+                </div>
+            </div>
+
+            <!-- 提交/重交表单 -->
+            <div class="sec" v-if="!isViewOnly && ((myStatus === 'NOT_SUBMITTED' && canSubmitByDeadline) || (myStatus === 'RETURNED' && canSubmitByDeadline) || (showForm && isEditMode))">
+                <div class="sec-h">
+                    {{ myStatus === "RETURNED" ? "订正重交" : isEditMode ? "修改提交（生成新版本）" : detail.hwStatus === "CLOSED" ? "补交作业" : "提交作业" }}
+                </div>
+                <template v-if="types.includes('text') || !types.length">
+                    <div class="f-label">文字作答</div>
+                    <Input v-model="form.text" type="textarea" :rows="4" placeholder="输入作答内容"></Input>
+                </template>
+                <template v-if="types.includes('image') || types.includes('attach')">
+                    <div class="f-label">{{ types.includes("image") && !types.includes("attach") ? "拍照/上传图片" : "上传附件（图片/文件）" }}</div>
+                    <AttachmentUpload v-model="form.attachments" :imageOnly="types.includes('image') && !types.includes('attach')"></AttachmentUpload>
+                </template>
+                <div class="f-tip" v-if="!canSubmitByDeadline && myStatus === 'NOT_SUBMITTED'">作业已截止且不允许补交</div>
+                <div class="f-ops">
+                    <Button type="primary" :loading="form.submitting" icon="md-send" @click="doSubmit">
+                        {{ myStatus === "RETURNED" ? "重新提交" : isEditMode ? "保存新版本" : "提交" }}</Button>
+                    <Button v-if="isEditMode" style="margin-left: 8px" @click="showForm = false">取消</Button>
+                </div>
+            </div>
+            <Alert v-else-if="!isViewOnly && myStatus === 'NOT_SUBMITTED' && !canSubmitByDeadline" type="warning" show-icon class="mb-12">
+                作业已截止<template v-if="detail.allowLate !== 1">，如需补交请联系老师</template>
+            </Alert>
+
+            <!-- 历史版本 -->
+            <div class="sec" v-if="versions.length > 1">
+                <div class="sec-h">历史版本（{{ versions.length }}）</div>
+                <div class="v-item" v-for="v in versions" :key="v.submissionId">
+                    <div class="v-head">
+                        <Tag size="small" v-if="v.isLatest">当前</Tag>
+                        <b>v{{ v.version }}</b>
+                        <span class="v-time">{{ v.submittedAt ? String(v.submittedAt).slice(0, 16) : "—" }}<template v-if="v.isLate"> · 逾期</template></span>
+                        <Tag size="small" :color="STATUS_COLOR[v.submitStatus]">{{ v.submitStatusDesc || STATUS_TEXT[v.submitStatus] }}</Tag>
+                    </div>
+                    <div class="v-text" v-if="v.text">{{ v.text }}</div>
+                    <div class="v-atts" v-if="v.attachments && v.attachments.length">
+                        <template v-for="(a, i) in v.attachments" :key="i">
+                            <div class="th" v-if="(a.fileType || '').toLowerCase() === 'image'" @click="zoom(previewUrl(a))"><img :src="previewUrl(a)" /></div>
+                            <div class="file-chip" v-else>
+                                <Icon type="md-document" />
+                                {{ a.fileName || "附件" }}
+                                <a :href="downUrl(a)" target="_blank">下载</a>
+                            </div>
+                        </template>
+                    </div>
+                    <div class="v-review" v-if="v.reviewStatus !== 'PENDING'">
+                        <Icon :type="v.reviewStatus === 'REVIEWED' ? 'md-checkmark-circle' : 'md-refresh'" :color="v.reviewStatus === 'REVIEWED' ? '#19be6b' : '#ed4014'" size="14" />
+                        {{ v.reviewStatusDesc }}：{{ v.score != null ? `${v.score} 分 · ` : "" }}{{ v.comment || "无评语" }}
+                    </div>
                 </div>
             </div>
         </div>
+        <div class="main-container" v-else-if="loading" style="text-align: center; color: #808695; padding: 60px 0">加载中...</div>
+        <div class="main-container" v-else style="text-align: center; color: #808695; padding: 60px 0">作业不存在或不可见</div>
+
+        <!-- 图片放大 -->
+        <Modal v-model="imgPreview.open" footer-hide title="图片预览" width="680px">
+            <div class="zoom-wrap"><img :src="imgPreview.url" /></div>
+        </Modal>
+        <!-- 附件预览 -->
+        <FilePreviewModal v-model="previewState.show" :file-id="previewState.fileId" :file-name="previewState.fileName" />
     </div>
-    <!-- 附件预览弹窗 -->
-    <FilePreviewModal v-model="previewState.show" :file-id="previewState.fileId" :file-name="previewState.fileName" />
 </template>
 
 <style lang="scss" scoped>
-/* 根容器 page-wrapper > main-container：内容区可视高度 = 100vh - 112(头部+面包屑) - 24(容器底padding) */
-.accept-wrap {
-    display: flex;
-    gap: 15px;
-    height: calc(100vh - 136px);
+.detail {
+    max-width: 960px;
 }
-.title-list {
-    width: 360px;
-    flex: none;
-    background: #fff;
-    border: 1px solid #ebeef4;
-    border-radius: 3px;
-    padding: 14px 0;
-    display: flex;
-    flex-direction: column;
-    .total {
-        display: flex;
-        justify-content: space-between;
-        align-items: center;
-        padding: 0 15px 10px;
-        .num {
-            padding: 0 5px;
-            color: #5c9edc;
-            font-weight: 600;
-        }
-        .clear-icon {
-            cursor: pointer;
-            font-size: 18px;
-            color: #999;
-            &:hover {
-                color: #2d8cf0;
-            }
-        }
-    }
-    .search-box {
-        padding: 0 15px;
-    }
-    .homework-items {
-        flex: 1;
-        overflow-y: auto;
-        margin-top: 12px;
-        .list_item {
-            padding: 10px 15px;
-            cursor: pointer;
-            border-left: 3px solid transparent;
-            .tt {
-                font-weight: 600;
-                color: #272829;
-                overflow: hidden;
-                text-overflow: ellipsis;
-                white-space: nowrap;
-            }
-            .other {
-                margin-top: 6px;
-                display: flex;
-                justify-content: space-between;
-                font-size: 12px;
-                color: #999;
-            }
-            &:hover {
-                background: #f6f9ff;
-            }
-            &.active {
-                background: #ecf3ff;
-                border-left-color: #2d8cf0;
-            }
-            /* 已读弱化 */
-            &.readed .tt {
-                color: #8a94a6;
-                font-weight: 400;
-            }
-        }
-        .empty {
-            text-align: center;
-            color: #999;
-            padding: 40px 0;
-        }
-    }
-}
-.detail-content {
-    flex: 1;
-    background: #fff;
-    border: 1px solid #ebeef4;
-    border-radius: 3px;
-    padding: 16px 20px;
-    display: flex;
-    flex-direction: column;
-    overflow: hidden;
-    &.empty-detail {
-        align-items: center;
-        justify-content: center;
-        color: #999;
-    }
-    .title-header {
+.d-head {
+    .d-title-row {
         display: flex;
         align-items: center;
-        justify-content: space-between;
-        .tt {
-            font-size: 18px;
-            font-weight: 600;
-            color: #272829;
-        }
-        .ops {
-            display: flex;
-            gap: 16px;
-            .op {
-                cursor: pointer;
-                color: #515a6e;
-                display: inline-flex;
-                align-items: center;
-                gap: 4px;
-                font-size: 13px;
-                &:hover {
-                    color: #2d8cf0;
-                }
-            }
+        gap: 12px;
+        .d-title {
+            font-size: 20px;
+            margin: 0;
+            color: #17233d;
         }
     }
-    .title-content {
-        margin-top: 10px;
-        padding: 8px 0;
-        border-bottom: 1px dashed #e8e8e8;
+    .d-meta {
+        display: flex;
+        align-items: center;
+        flex-wrap: wrap;
+        gap: 14px;
+        margin: 10px 0 4px;
         font-size: 13px;
         color: #808695;
-        p {
-            margin: 4px 0;
+        .m-item {
+            display: inline-flex;
+            align-items: center;
+            gap: 4px;
+            &.overdue {
+                color: #ed4014;
+            }
+            &.urgent {
+                color: #ff9900;
+            }
         }
-        .to-file {
+    }
+}
+.sec {
+    border-top: 1px dashed #e8eaec;
+    margin-top: 14px;
+    padding-top: 12px;
+    .sec-h {
+        font-weight: 600;
+        color: #17233d;
+        margin-bottom: 10px;
+        .sec-sub {
+            font-weight: 400;
+            color: #808695;
+            font-size: 13px;
             margin-left: 10px;
+        }
+    }
+}
+.d-desc {
+    color: #515a6e;
+    line-height: 1.8;
+    min-height: 24px;
+}
+.d-atts {
+    margin-top: 10px;
+    .att {
+        display: inline-flex;
+        align-items: center;
+        gap: 6px;
+        margin: 0 16px 8px 0;
+        padding: 4px 10px;
+        background: #f7faff;
+        border: 1px solid #e8eaec;
+        border-radius: 4px;
+        font-size: 13px;
+        color: #515a6e;
+        .file-type-icon {
+            font-size: 16px;
+        }
+        .att-name {
+            max-width: 260px;
+            overflow: hidden;
+            text-overflow: ellipsis;
+            white-space: nowrap;
+        }
+        .att-op {
             color: #2d8cf0;
             cursor: pointer;
         }
     }
-    .homework-content {
-        flex: 1;
-        overflow-y: auto;
-        padding-top: 10px;
-        .file {
-            border-top: 1px solid #f0f0f0;
-            margin-top: 16px;
-            .file-title {
-                display: flex;
-                justify-content: space-between;
-                background: #f7f7f7;
-                padding: 8px 12px;
-                font-size: 13px;
-                .all-down {
-                    color: #2d8cf0;
-                    cursor: pointer;
-                }
-            }
-            .file-list {
-                padding: 10px 12px;
-                .file-item {
-                    display: flex;
-                    align-items: center;
-                    gap: 10px;
-                    padding: 8px 6px;
-                    border-bottom: 1px dashed #f0f0f0;
-                    .file-type-icon {
-                        font-size: 26px;
-                        color: #515a6e;
-                    }
-                    .center {
-                        flex: 1;
-                        overflow: hidden;
-                        .name {
-                            color: #272829;
-                            font-size: 13px;
-                            overflow: hidden;
-                            text-overflow: ellipsis;
-                            white-space: nowrap;
-                        }
-                        .size {
-                            font-size: 12px;
-                            color: #999;
-                        }
-                    }
-                    .right a {
-                        margin-right: 8px;
-                        color: #2d8cf0;
-                        font-size: 13px;
-                    }
-                }
-            }
+}
+.my-text {
+    color: #515a6e;
+    line-height: 1.7;
+    background: #fafcff;
+    border: 1px solid #e8eaec;
+    border-radius: 4px;
+    padding: 10px 12px;
+    white-space: pre-wrap;
+    &.empty {
+        color: #c5c8ce;
+    }
+}
+.my-atts,
+.v-atts {
+    display: flex;
+    flex-wrap: wrap;
+    gap: 8px;
+    margin-top: 10px;
+    align-items: center;
+    .th {
+        width: 76px;
+        height: 76px;
+        border: 1px solid #e8eaec;
+        border-radius: 6px;
+        overflow: hidden;
+        cursor: zoom-in;
+        img {
+            width: 100%;
+            height: 100%;
+            object-fit: cover;
+        }
+        &:hover {
+            border-color: #2d8cf0;
+        }
+    }
+    .file-chip {
+        display: inline-flex;
+        align-items: center;
+        gap: 6px;
+        padding: 4px 10px;
+        background: #f0f2f5;
+        border-radius: 4px;
+        font-size: 12px;
+        color: #515a6e;
+        a {
+            color: #2d8cf0;
         }
     }
 }
+.review-box {
+    margin-top: 12px;
+    padding: 12px 14px;
+    border-radius: 8px;
+    display: flex;
+    align-items: center;
+    gap: 20px;
+    &.ok {
+        background: #f6ffed;
+        .sc {
+            text-align: center;
+            b {
+                font-size: 24px;
+                color: #ed4014;
+                display: block;
+                line-height: 1.1;
+            }
+            i {
+                font-style: normal;
+                font-size: 12px;
+                color: #808695;
+            }
+        }
+        .cm {
+            flex: 1;
+            color: #389e0d;
+        }
+    }
+}
+.my-ops {
+    display: flex;
+    gap: 8px;
+    margin-top: 12px;
+}
+.f-label {
+    font-size: 13px;
+    color: #515a6e;
+    margin: 12px 0 6px;
+}
+.f-tip {
+    color: #ff9900;
+    font-size: 12px;
+    margin-top: 6px;
+}
+.f-ops {
+    margin-top: 14px;
+}
+.v-item {
+    border: 1px solid #eef1f5;
+    border-radius: 6px;
+    padding: 10px 12px;
+    margin-bottom: 10px;
+    background: #fafbfc;
+    .v-head {
+        display: flex;
+        align-items: center;
+        gap: 8px;
+        font-size: 13px;
+        .v-time {
+            color: #808695;
+        }
+    }
+    .v-text {
+        margin-top: 6px;
+        color: #515a6e;
+        font-size: 13px;
+        white-space: pre-wrap;
+    }
+    .v-review {
+        margin-top: 6px;
+        font-size: 13px;
+        color: #515a6e;
+        display: flex;
+        align-items: center;
+        gap: 4px;
+    }
+}
+.zoom-wrap {
+    text-align: center;
+    img {
+        max-width: 100%;
+        max-height: 62vh;
+    }
+}
 </style>
diff --git a/src/views/homework/StudentHomeworks.vue b/src/views/homework/StudentHomeworks.vue
index d35a237..49dd584 100644
--- a/src/views/homework/StudentHomeworks.vue
+++ b/src/views/homework/StudentHomeworks.vue
@@ -1,118 +1,168 @@
 <script setup lang="ts">
 import { ref, reactive, computed, onMounted, watch } from "vue";
-import { useRoute } from "vue-router";
+import { useRoute, useRouter } from "vue-router";
 import { Message } from "view-ui-plus";
-import { homeworkApi } from "@/api/module/homework";
-import type { StudentHomeworkVo, MyHomeworksVo } from "@/types/homework";
-import HomeworkUpload from "@/components/HomeworkUpload.vue";
+import { studentApi } from "@/api/module/studentHomework";
+import type { BasePageResult, StudentHomeworkV2Vo, StudentHomeworkDetailV2Vo, AttachmentItem } from "@/types/homeworkV2";
+import AttachmentUpload from "@/components/AttachmentUpload.vue";
+import MyConfirm from "@/components/MyConfirm";
 import config from "@/assets/config/host.config";
 
 const serviceBase = config.isMock ? "" : config.serviceHost;
-const imgUploadUrl = serviceBase + "/api/file/UploadImage";
-/** 提交图片：可直接显示的 URL/dataURL，或后端 fileid（回退拼预览地址） */
-function previewUrl(v: number | string) {
-    const s = String(v);
-    if (s.startsWith("data:") || s.startsWith("http")) return s;
-    return `${serviceBase}/api/file/Preview?id=${s}`;
-}
-
 const route = useRoute();
+const router = useRouter();
 
+/* V2 tab：all/todo/done/closed（redo 桶已并入 todo，RETURNED 红色强化） */
 const TABS = [
     { name: "all", label: "全部" },
     { name: "todo", label: "待完成" },
-    { name: "submitted", label: "已交待批" },
-    { name: "graded", label: "已批改" },
-    { name: "redo", label: "待订正" },
+    { name: "done", label: "已完成" },
+    { name: "closed", label: "已截止" },
 ];
 const tab = ref<string>((route.meta as any).initTab || "all");
+const keyword = ref("");
+const pageNum = ref(1);
+const pageSize = ref(10);
 
-const data = ref<MyHomeworksVo | null>(null);
+const EMPTY_PAGE: BasePageResult<StudentHomeworkV2Vo> = { content: [], total: 0, pageIndex: 1, pageSize: 10, totalPages: 0, hasNext: false };
+const page = ref<BasePageResult<StudentHomeworkV2Vo>>(EMPTY_PAGE);
 const loading = ref(false);
 
 async function load() {
     loading.value = true;
     try {
-        data.value = await homeworkApi.myHomeworks().send();
+        page.value = await studentApi
+            .list(tab.value, {
+                keyword: keyword.value || undefined,
+                pageIndex: pageNum.value,
+                pageSize: pageSize.value,
+            })
+            .send();
     } catch (e: any) {
         Message.error(e.message || "加载作业失败");
+        page.value = EMPTY_PAGE;
     } finally {
         loading.value = false;
     }
 }
+function onTab(name: string) {
+    tab.value = name;
+    pageNum.value = 1;
+    load();
+}
+function doSearch() {
+    pageNum.value = 1;
+    load();
+}
+function pageUpdate(p: number) {
+    pageNum.value = p;
+    load();
+}
 onMounted(load);
-watch(() => route.fullPath, load);
+watch(
+    () => route.fullPath,
+    () => {
+        tab.value = (route.meta as any).initTab || "all";
+        keyword.value = "";
+        pageNum.value = 1;
+        load();
+    }
+);
 
-function bucketOf(x: StudentHomeworkVo): string {
-    if (x.viewOnly) return "view";
-    const st = x.my ? x.my.submitStatus : "unsubmitted";
-    if (st === "unsubmitted") return "todo";
-    if (st === "submitted") return "submitted";
-    if (st === "needRedo") return "redo";
-    return "graded";
-}
-const filtered = computed(() => {
-    const list = data.value?.list || [];
-    if (tab.value === "all") return list;
-    return list.filter((x) => bucketOf(x) === tab.value);
+/* todo 桶内待订正（RETURNED）排前，红色强化 */
+const rows = computed(() => {
+    const list = page.value.content || [];
+    if (tab.value === "todo") {
+        return [...list].sort((a, b) => Number(b.my?.submitStatus === "RETURNED") - Number(a.my?.submitStatus === "RETURNED"));
+    }
+    return list;
 });
-function tabCount(name: string) {
-    const b = data.value?.buckets;
-    if (!b) return 0;
-    return name === "all" ? b.all : name === "todo" ? b.todo : name === "submitted" ? b.submitted : name === "graded" ? b.graded : b.redo;
-}
 
-const STATUS_TEXT: Record<string, string> = { unsubmitted: "未提交", submitted: "已交·待批", graded: "已批改", needRedo: "待订正", redone: "已订正·待批" };
-const STATUS_COLOR: Record<string, string> = { unsubmitted: "#c5c8ce", submitted: "#ff9900", graded: "#19be6b", needRedo: "#ed4014", redone: "#2d8cf0" };
-function statusColor(x: StudentHomeworkVo) {
-    if (x.viewOnly) return "#808695";
-    return STATUS_COLOR[x.my ? x.my.submitStatus : "unsubmitted"];
+/* ============ 状态展示 ============ */
+const STATUS_TEXT: Record<string, string> = {
+    NOT_SUBMITTED: "未提交",
+    SUBMITTED: "已提交·待批",
+    LATE_SUBMITTED: "逾期补交·待批",
+    RETURNED: "待订正",
+    REVIEWED: "已批阅",
+};
+const STATUS_COLOR: Record<string, string> = {
+    NOT_SUBMITTED: "#c5c8ce",
+    SUBMITTED: "#2d8cf0",
+    LATE_SUBMITTED: "#ff9900",
+    RETURNED: "#ed4014",
+    REVIEWED: "#19be6b",
+};
+function myStatus(x: StudentHomeworkV2Vo) {
+    return x.my?.submitStatus || "NOT_SUBMITTED";
 }
-
-function dueInfo(deadline: string | null) {
-    if (!deadline) return { text: "无截止", overdue: false };
+function statusColor(x: StudentHomeworkV2Vo) {
+    return STATUS_COLOR[myStatus(x)];
+}
+/** 仅查阅型（submitType 含 none） */
+function isViewOnly(x: StudentHomeworkV2Vo) {
+    return (x.submitType || []).includes("none") || (x.submitType || []).length === 0;
+}
+/** 是否可提交：PUBLISHED 期内，或 CLOSED 且允许补交 */
+function canSubmit(x: StudentHomeworkV2Vo) {
+    if (isViewOnly(x)) return false;
+    if (x.hwStatus === "PUBLISHED") return true;
+    if (x.hwStatus === "CLOSED") return x.allowLate === 1;
+    return false;
+}
+function dueInfo(deadline: string | null | undefined) {
+    if (!deadline) return { text: "无截止", overdue: false, urgent: false };
     const d = new Date(String(deadline).replace(/-/g, "/")).getTime();
+    if (isNaN(d)) return { text: "—", overdue: false, urgent: false };
     const diffH = (d - Date.now()) / 3600000;
-    if (diffH < 0) return { text: "已截止", overdue: true };
-    if (diffH < 24) return { text: `剩 ${Math.max(1, Math.round(diffH))} 小时`, overdue: false };
-    return { text: `剩 ${Math.round(diffH / 24)} 天`, overdue: false };
+    if (diffH < 0) return { text: "已截止", overdue: true, urgent: false };
+    if (diffH < 24) return { text: `剩 ${Math.max(1, Math.round(diffH))} 小时`, overdue: false, urgent: true };
+    return { text: `剩 ${Math.round(diffH / 24)} 天`, overdue: false, urgent: false };
+}
+function goDetail(row: StudentHomeworkV2Vo) {
+    router.push({ path: "/stu/detail", query: { serid: String(row.id) } });
 }
 
-/* ============ 提交 / 重交 ============ */
-const sub = reactive({ open: false, serid: 0, title: "", text: "", fileids: [] as number[], images: [] as string[], isRedo: false, submitting: false, uploading: false });
-function openSubmit(row: StudentHomeworkVo) {
+/* ============ 提交 / 重交 / 撤回（快捷弹窗，主提交面在 /stu/detail） ============ */
+const sub = reactive({
+    open: false,
+    id: 0,
+    title: "",
+    mode: "submit" as "submit" | "resubmit",
+    submissionId: 0,
+    text: "",
+    attachments: [] as AttachmentItem[],
+    loadingEcho: false,
+    submitting: false,
+});
+async function openSubmit(row: StudentHomeworkV2Vo) {
     sub.open = true;
-    sub.serid = row.id;
+    sub.id = row.id;
     sub.title = row.title;
-    sub.text = row.my?.text || "";
-    sub.fileids = [];
-    sub.images = (row.my?.images || []).map((v: any) => String(v)).filter(Boolean);
-    sub.isRedo = !!row.my && row.my.submitStatus === "needRedo";
-}
-function onImgSuccess(file: any) {
-    sub.uploading = false;
-    const resp = file?.response;
-    if (!resp || resp.code !== 0) {
-        Message.error(resp?.msg || "图片上传失败");
-        return;
+    sub.mode = row.my?.submitStatus === "RETURNED" ? "resubmit" : "submit";
+    sub.submissionId = row.my?.submissionId || 0;
+    sub.text = "";
+    sub.attachments = [];
+    // 回显当前版本内容（修改提交 / 订正重交场景）
+    sub.loadingEcho = true;
+    try {
+        const d: StudentHomeworkDetailV2Vo = await studentApi.detail(row.id).send();
+        sub.text = d.myText || "";
+        sub.attachments = [...(d.myAttachments || [])];
+    } catch {
+        /* 回显失败不阻塞提交 */
+    } finally {
+        sub.loadingEcho = false;
     }
-    const item = Array.isArray(resp.data) ? resp.data[0] : resp.data;
-    const url = item?.url || (item?.id != null ? previewUrl(item.id) : "");
-    if (url) {
-        if (sub.images.length >= 9) {
-            Message.warning("最多上传 9 张图片");
-            return;
-        }
-        sub.images.push(url);
-    }
-}
-function removeImg(url: string) {
-    sub.images = sub.images.filter((x) => x !== url);
 }
 async function submit() {
     sub.submitting = true;
     try {
-        await homeworkApi.submit({ serid: sub.serid, text: sub.text, images: sub.images, attachments: sub.fileids.map(String) }).send();
+        if (sub.mode === "resubmit" && sub.submissionId) {
+            await studentApi.action(sub.id, sub.submissionId, { action: "resubmit", text: sub.text, attachments: sub.attachments }).send();
+        } else {
+            await studentApi.submit(sub.id, { text: sub.text, attachments: sub.attachments }).send();
+        }
         Message.success("提交成功");
         sub.open = false;
         load();
@@ -122,16 +172,30 @@ async function submit() {
         sub.submitting = false;
     }
 }
-
-/* ============ 批改反馈 ============ */
-const fb = reactive({ open: false, row: null as StudentHomeworkVo | null });
-function openFeedback(row: StudentHomeworkVo) {
-    fb.open = true;
-    fb.row = row;
+function withdraw(row: StudentHomeworkV2Vo) {
+    MyConfirm({
+        title: "撤回提交",
+        msg: `撤回“ ${row.title} ”的提交？`,
+        info: "撤回后可重新编辑提交（截止前有效）",
+        async onOk() {
+            try {
+                await studentApi.action(row.id, row.my!.submissionId, { action: "withdraw" }).send();
+                Message.success("已撤回，可重新提交");
+                load();
+            } catch (e: any) {
+                Message.error(e.message || "撤回失败");
+            }
+        },
+    });
 }
 
 /* ============ 图片放大预览 ============ */
 const imgPreview = reactive({ open: false, url: "" });
+function previewUrl(a: AttachmentItem) {
+    const u = a.fileUrl || "";
+    if (/^(https?:)?\/\//.test(u) || u.startsWith("data:")) return u;
+    return `${serviceBase}${u}`;
+}
 function zoom(url: string) {
     imgPreview.url = url;
     imgPreview.open = true;
@@ -147,113 +211,91 @@ function zoom(url: string) {
                     <div class="sh-icon"><Icon type="md-book" size="26" color="#fff" /></div>
                     <div>
                         <div class="sh-title">我的作业</div>
-                        <div class="sh-sub">按时提交，查看老师批改与订正</div>
+                        <div class="sh-sub">按时提交，查看老师批阅与订正</div>
                     </div>
                 </div>
                 <div class="sh-chips">
-                    <div class="chip todo"><b>{{ tabCount("todo") }}</b><span>待完成</span></div>
-                    <div class="chip redo"><b>{{ tabCount("redo") }}</b><span>待订正</span></div>
-                    <div class="chip graded"><b>{{ tabCount("graded") }}</b><span>已批改</span></div>
+                    <div class="chip"><b>{{ page.total }}</b><span>本页作业</span></div>
                 </div>
             </div>
 
-            <Tabs :value="tab" @on-click="(n: string) => (tab = n)" class="stu-tabs">
-                <TabPane v-for="t in TABS" :key="t.name" :name="t.name" :label="t.name === 'all' ? t.label : t.label + ' ' + tabCount(t.name)"></TabPane>
-            </Tabs>
+            <div class="fix mb-12">
+                <Tabs :value="tab" @on-click="onTab" class="fl stu-tabs">
+                    <TabPane v-for="t in TABS" :key="t.name" :name="t.name" :label="t.label"></TabPane>
+                </Tabs>
+                <Input
+                    class="fr"
+                    style="width: 220px"
+                    search
+                    suffix="ios-search"
+                    placeholder="搜索作业标题"
+                    v-model="keyword"
+                    @on-search="doSearch"
+                    @on-clear="doSearch"
+                />
+            </div>
 
             <div v-if="loading" class="state"><Spin fix /><div style="height: 120px"></div></div>
-            <div v-else-if="!filtered.length" class="state empty">
+            <div v-else-if="!rows.length" class="state empty">
                 <Icon type="ios-albums-outline" size="52" color="#c5c8ce" />
                 <p>该分类下暂无作业</p>
             </div>
 
             <div class="cards" v-else>
-                <div class="card" v-for="row in filtered" :key="row.id" :style="{ borderLeftColor: statusColor(row) }">
-                    <div class="c-top">
-                        <span class="c-subj">{{ row.subject }}</span>
+                <div class="card" v-for="row in rows" :key="row.id" :class="{ redo: myStatus(row) === 'RETURNED' }" :style="{ borderLeftColor: statusColor(row) }">
+                    <div class="c-top" @click="goDetail(row)">
+                        <span class="c-subj">{{ row.subject || "作业" }}</span>
                         <span class="c-title">{{ row.title }}</span>
-                        <Tag v-if="row.viewOnly" color="default" class="c-flag">仅查阅</Tag>
-                        <span v-else class="c-dot" :style="{ background: statusColor(row) }"></span>
-                        <span v-if="!row.viewOnly" class="c-status" :style="{ color: statusColor(row) }">{{ STATUS_TEXT[row.my ? row.my.submitStatus : "unsubmitted"] }}</span>
+                        <Tag v-if="isViewOnly(row)" color="default" class="c-flag">仅查阅</Tag>
+                        <template v-else>
+                            <span v-if="row.my?.isLate" class="c-late">逾期</span>
+                            <span class="c-status" :style="{ color: statusColor(row) }">{{ STATUS_TEXT[myStatus(row)] }}</span>
+                        </template>
                     </div>
                     <div class="c-meta">
-                        <span class="m-item"><Icon type="md-person" size="14" /> {{ row.publisherName }} · {{ row.deptName }}</span>
-                        <span class="m-item" :class="{ overdue: dueInfo(row.deadline).overdue && bucketOf(row) === 'todo' }">
-                            <Icon type="md-time" size="14" /> 截止 {{ row.deadline ? String(row.deadline).slice(5, 16) : "—" }}（{{ dueInfo(row.deadline).text }}）
+                        <span class="m-item"><Icon type="md-person" size="14" /> {{ row.teacherName || "—" }}</span>
+                        <span class="m-item" :class="{ overdue: dueInfo(row.deadlineAt).overdue && myStatus(row) !== 'REVIEWED', urgent: dueInfo(row.deadlineAt).urgent && myStatus(row) === 'NOT_SUBMITTED' }">
+                            <Icon type="md-time" size="14" /> 截止 {{ row.deadlineAt ? String(row.deadlineAt).slice(5, 16) : "—" }}（{{ dueInfo(row.deadlineAt).text }}）
                         </span>
                     </div>
-                    <div class="c-body" v-html="row.content"></div>
-                    <div class="c-imgs" v-if="row.my && row.my.images && row.my.images.length">
-                        <div class="th" v-for="(im, ii) in row.my.images" :key="ii" @click="zoom(previewUrl(im))"><img :src="previewUrl(im)" /></div>
-                    </div>
 
-                    <div class="c-grade" v-if="row.my && (row.my.submitStatus === 'graded' || row.my.submitStatus === 'redone')">
-                        <span class="g-badge" v-if="row.my.isExcellent">优秀</span>
-                        <Icon type="md-checkmark-circle" color="#19be6b" size="16" />
-                        得分 {{ row.my.score ?? "—" }} · 等级 {{ row.my.level ?? "—" }} · {{ row.my.comment }}
+                    <!-- 待订正：老师评语强化展示 -->
+                    <div class="c-grade warn" v-if="myStatus(row) === 'RETURNED'">
+                        <Icon type="md-refresh" color="#ed4014" size="16" /> 老师要求订正：{{ row.my?.comment || "请订正后重新提交" }}
                     </div>
-                    <div class="c-grade warn" v-else-if="row.my && row.my.submitStatus === 'needRedo'">
-                        <Icon type="md-refresh" color="#ed4014" size="16" /> 老师要求订正：{{ row.my.comment }}
+                    <!-- 已批阅：得分摘要 -->
+                    <div class="c-grade" v-else-if="myStatus(row) === 'REVIEWED'">
+                        <Icon type="md-checkmark-circle" color="#19be6b" size="16" />
+                        得分 {{ row.my?.score ?? "—" }}<template v-if="row.my?.comment"> · {{ row.my.comment }}</template>
                     </div>
 
                     <div class="c-actions">
-                        <Button
-                            v-if="bucketOf(row) === 'todo' && (row.hwStatus !== 'closed' || row.allowLate)"
-                            type="primary"
-                            icon="md-cloud-upload"
-                            size="small"
-                            @click="openSubmit(row)"
-                            >{{ row.hwStatus === "closed" && row.allowLate ? "补交作业" : "提交作业" }}</Button
-                        >
-                        <Button v-else-if="bucketOf(row) === 'todo'" disabled size="small">已截止</Button>
-                        <Button v-else-if="bucketOf(row) === 'redo'" type="error" icon="md-refresh" size="small" @click="openSubmit(row)">重新提交</Button>
-                        <Button v-if="bucketOf(row) === 'submitted'" ghost icon="md-create" size="small" @click="openSubmit(row)">修改提交</Button>
-                        <Button
-                            v-if="row.my && ['graded', 'redone', 'needRedo', 'submitted'].includes(row.my.submitStatus)"
-                            icon="md-eye"
-                            size="small"
-                            @click="openFeedback(row)"
-                            >{{ row.my.submitStatus === "graded" || row.my.submitStatus === "redone" ? "查看批改" : "查看提交" }}</Button
-                        >
+                        <Button v-if="['NOT_SUBMITTED'].includes(myStatus(row)) && canSubmit(row)" type="primary" icon="md-cloud-upload" size="small" @click="openSubmit(row)">
+                            {{ row.hwStatus === "CLOSED" ? "补交作业" : "提交作业" }}</Button>
+                        <Button v-else-if="myStatus(row) === 'RETURNED'" type="error" icon="md-refresh" size="small" @click="openSubmit(row)">重新提交</Button>
+                        <template v-else-if="['SUBMITTED', 'LATE_SUBMITTED'].includes(myStatus(row)) && row.hwStatus === 'PUBLISHED'">
+                            <Button ghost icon="md-create" size="small" @click="openSubmit(row)">修改提交</Button>
+                            <Button icon="md-undo" size="small" @click="withdraw(row)">撤回</Button>
+                        </template>
+                        <Button icon="md-eye" size="small" @click="goDetail(row)">{{ myStatus(row) === "REVIEWED" || myStatus(row) === "RETURNED" ? "查看批阅" : "查看详情" }}</Button>
                     </div>
                 </div>
             </div>
 
-            <!-- 提交弹窗 -->
-            <Modal v-model="sub.open" :title="(sub.isRedo ? '重新提交 · ' : '提交作业 · ') + sub.title" width="560px" class-name="submit-modal">
+            <div class="page-panel" v-if="page.total > pageSize">
+                <Page class="page-box fr" :total="page.total" :current="pageNum" :page-size="pageSize" @on-change="pageUpdate" show-total></Page>
+            </div>
+
+            <!-- 快捷提交弹窗 -->
+            <Modal v-model="sub.open" :title="(sub.mode === 'resubmit' ? '重新提交 · ' : '提交作业 · ') + sub.title" width="560px" class-name="submit-modal">
+                <Spin v-if="sub.loadingEcho" fix />
                 <div class="sm-field">
                     <div class="sm-label"><Icon type="md-create" size="16" /> 文字作答</div>
                     <Input v-model="sub.text" type="textarea" :rows="4" placeholder="输入作答内容"></Input>
                 </div>
                 <div class="sm-field">
-                    <div class="sm-label"><Icon type="md-image" size="16" /> 图片（拍照 / 相册，最多 9 张）</div>
-                    <div class="img-wall">
-                        <div class="img-cell" v-for="(u, ui) in sub.images" :key="ui">
-                            <img :src="previewUrl(u)" />
-                            <span class="img-del" @click="removeImg(u)"><Icon type="md-close" size="14" /></span>
-                        </div>
-                        <Upload
-                            class="img-add"
-                            :action="imgUploadUrl"
-                            :show-upload-list="false"
-                            :format="['jpg', 'jpeg', 'png', 'gif']"
-                            accept="image/*"
-                            multiple
-                            name="file"
-                            :before-upload="() => (sub.uploading = true)"
-                            :on-success="onImgSuccess"
-                            :on-error="() => { sub.uploading = false; Message.error('图片上传失败'); }"
-                        >
-                            <div class="img-add-btn" :class="{ spin: sub.uploading }">
-                                <Icon :type="sub.uploading ? 'ios-loading' : 'ios-camera'" :size="24" :class="{ 'iv-load': sub.uploading }" />
-                                <span>{{ sub.uploading ? "上传中" : "拍照/上传" }}</span>
-                            </div>
-                        </Upload>
-                    </div>
-                </div>
-                <div class="sm-field">
-                    <div class="sm-label"><Icon type="md-attach" size="16" /> 附件</div>
-                    <HomeworkUpload v-model:fileids="sub.fileids"></HomeworkUpload>
+                    <div class="sm-label"><Icon type="md-image" size="16" /> 图片 / 附件（先上传后提交）</div>
+                    <AttachmentUpload v-model="sub.attachments"></AttachmentUpload>
                 </div>
                 <template #footer>
                     <Button @click="sub.open = false">取消</Button>
@@ -261,30 +303,6 @@ function zoom(url: string) {
                 </template>
             </Modal>
 
-            <!-- 批改反馈弹窗 -->
-            <Modal v-model="fb.open" title="批改反馈" width="520px">
-                <div v-if="fb.row && fb.row.my" class="fb">
-                    <div class="fb-row"><span class="fb-k">提交时间</span><span>{{ fb.row.my.submittedAt ? String(fb.row.my.submittedAt).slice(0, 16) : "—" }}</span></div>
-                    <div class="fb-row"><span class="fb-k">我的作答</span><span class="fb-text">{{ fb.row.my.text || "（仅附件）" }}</span></div>
-                    <div class="fb-row">
-                        <span class="fb-k">提交图片</span>
-                        <span class="fb-imgs">
-                            <template v-if="fb.row.my.images && fb.row.my.images.length">
-                                <img v-for="(im, ii) in fb.row.my.images" :key="ii" :src="previewUrl(im)" @click="zoom(previewUrl(im))" />
-                            </template>
-                            <template v-else>无</template>
-                        </span>
-                    </div>
-                    <div class="fb-score-box" :class="fb.row.my.isExcellent ? 'ex' : ''">
-                        <div class="sc"><b>{{ fb.row.my.score ?? "—" }}</b><i>得分</i></div>
-                        <div class="sc"><b>{{ fb.row.my.level || "—" }}</b><i>等级</i></div>
-                        <div class="cm">{{ fb.row.my.comment || "—" }}</div>
-                        <Tag v-if="fb.row.my.isExcellent" color="success">优秀作业</Tag>
-                    </div>
-                </div>
-                <template #footer><Button type="primary" @click="fb.open = false">关闭</Button></template>
-            </Modal>
-
             <!-- 图片放大 -->
             <Modal v-model="imgPreview.open" footer-hide title="图片预览" width="680px">
                 <div class="zoom-wrap"><img :src="imgPreview.url" /></div>
@@ -352,7 +370,10 @@ function zoom(url: string) {
     }
 }
 .stu-tabs {
-    margin-bottom: 6px;
+    margin-bottom: 0;
+    :deep(.ivu-tabs-bar) {
+        margin-bottom: 0;
+    }
 }
 .state {
     padding: 30px 0;
@@ -375,10 +396,16 @@ function zoom(url: string) {
     &:hover {
         box-shadow: 0 4px 16px rgba(0, 0, 0, 0.06);
     }
+    &.redo {
+        border-color: #f5b0a6;
+        border-left-color: #ed4014;
+        background: #fffaf9;
+    }
     .c-top {
         display: flex;
         align-items: center;
         gap: 10px;
+        cursor: pointer;
         .c-subj {
             background: #eaf3ff;
             color: #2d8cf0;
@@ -395,15 +422,19 @@ function zoom(url: string) {
         .c-flag {
             margin-left: auto;
         }
-        .c-dot {
-            width: 8px;
-            height: 8px;
-            border-radius: 50%;
-            margin-left: auto;
+        .c-late {
+            background: #ff9900;
+            color: #fff;
+            border-radius: 3px;
+            font-size: 11px;
+            padding: 0 4px;
+            flex: none;
         }
         .c-status {
+            margin-left: auto;
             font-size: 13px;
             font-weight: 600;
+            flex: none;
         }
     }
     .c-meta {
@@ -420,30 +451,8 @@ function zoom(url: string) {
         .overdue {
             color: #ed4014;
         }
-    }
-    .c-body {
-        margin-top: 8px;
-        color: #515a6e;
-        line-height: 1.6;
-        max-height: 72px;
-        overflow: hidden;
-    }
-    .c-imgs {
-        display: flex;
-        gap: 8px;
-        margin-top: 10px;
-        .th {
-            width: 72px;
-            height: 72px;
-            border-radius: 6px;
-            overflow: hidden;
-            cursor: zoom-in;
-            border: 1px solid #eee;
-            img {
-                width: 100%;
-                height: 100%;
-                object-fit: cover;
-            }
+        .urgent {
+            color: #ff9900;
         }
     }
     .c-grade {
@@ -460,12 +469,6 @@ function zoom(url: string) {
             background: #fff1f0;
             color: #cf1322;
         }
-        .g-badge {
-            background: #ff9900;
-            color: #fff;
-            border-radius: 4px;
-            padding: 0 6px;
-        }
     }
     .c-actions {
         margin-top: 12px;
@@ -485,122 +488,6 @@ function zoom(url: string) {
         gap: 4px;
     }
 }
-.img-wall {
-    display: flex;
-    flex-wrap: wrap;
-    gap: 8px;
-    .img-cell {
-        position: relative;
-        width: 80px;
-        height: 80px;
-        border: 1px solid #e8eaec;
-        border-radius: 6px;
-        overflow: hidden;
-        img {
-            width: 100%;
-            height: 100%;
-            object-fit: cover;
-        }
-        .img-del {
-            position: absolute;
-            top: 0;
-            right: 0;
-            width: 20px;
-            height: 20px;
-            display: flex;
-            align-items: center;
-            justify-content: center;
-            background: rgba(0, 0, 0, 0.55);
-            color: #fff;
-            cursor: pointer;
-            border-bottom-left-radius: 6px;
-        }
-    }
-    .img-add-btn {
-        width: 80px;
-        height: 80px;
-        border: 1px dashed #c5c8ce;
-        border-radius: 6px;
-        display: flex;
-        flex-direction: column;
-        align-items: center;
-        justify-content: center;
-        gap: 2px;
-        color: #808695;
-        font-size: 12px;
-        cursor: pointer;
-        transition: all 0.2s;
-        &:hover {
-            border-color: #2d8cf0;
-            color: #2d8cf0;
-        }
-    }
-}
-.iv-load {
-    animation: spin 1s linear infinite;
-}
-@keyframes spin {
-    to {
-        transform: rotate(360deg);
-    }
-}
-/* 反馈 */
-.fb {
-    .fb-row {
-        display: flex;
-        padding: 8px 0;
-        border-bottom: 1px dashed #eee;
-        .fb-k {
-            width: 76px;
-            color: #808695;
-            flex: none;
-        }
-        .fb-text {
-            color: #515a6e;
-        }
-        .fb-imgs {
-            display: flex;
-            gap: 6px;
-            img {
-                width: 60px;
-                height: 60px;
-                object-fit: cover;
-                border-radius: 6px;
-                border: 1px solid #eee;
-                cursor: zoom-in;
-            }
-        }
-    }
-    .fb-score-box {
-        margin-top: 12px;
-        padding: 12px;
-        background: #f7faff;
-        border-radius: 8px;
-        display: flex;
-        align-items: center;
-        gap: 20px;
-        &.ex {
-            background: #fff8ec;
-        }
-        .sc {
-            text-align: center;
-            b {
-                font-size: 22px;
-                color: #ed4014;
-            }
-            i {
-                display: block;
-                font-style: normal;
-                font-size: 12px;
-                color: #808695;
-            }
-        }
-        .cm {
-            flex: 1;
-            color: #515a6e;
-        }
-    }
-}
 .zoom-wrap {
     text-align: center;
     img {