diff --git a/app/admin/controller/docs/Doc36ZiHuaMobileApi.php b/app/admin/controller/docs/Doc36ZiHuaMobileApi.php
new file mode 100644
index 0000000..a18a90f
--- /dev/null
+++ b/app/admin/controller/docs/Doc36ZiHuaMobileApi.php
@@ -0,0 +1,77 @@
+<?php
+
+declare(strict_types=1);
+
+namespace app\admin\controller\docs;
+
+use app\common\controller\Backend;
+use support\Response;
+use Webman\Http\Request;
+
+/**
+ * 后台只读展示《36字花-移动端接口设计草案》Markdown，并提供下载。
+ */
+class Doc36ZiHuaMobileApi extends Backend
+{
+    private const DOC_RELATIVE = 'docs' . DIRECTORY_SEPARATOR . '36字花-移动端接口设计草案.md';
+
+    public function content(Request $request): Response
+    {
+        $response = $this->initializeBackend($request);
+        if ($response !== null) {
+            return $response;
+        }
+
+        $path = $this->docAbsolutePath();
+        if (!is_file($path)) {
+            return $this->error(__('Document file not found'));
+        }
+
+        $raw = file_get_contents($path);
+        if ($raw === false) {
+            return $this->error(__('Failed to read document'));
+        }
+
+        return $this->success('', [
+            'markdown' => $raw,
+            'filename' => '36字花-移动端接口设计草案.md',
+        ]);
+    }
+
+    public function download(Request $request): Response
+    {
+        $response = $this->initializeBackend($request);
+        if ($response !== null) {
+            return $response;
+        }
+
+        $path = $this->docAbsolutePath();
+        if (!is_file($path)) {
+            return $this->error(__('Document file not found'));
+        }
+
+        $body = file_get_contents($path);
+        if ($body === false) {
+            return $this->error(__('Failed to read document'));
+        }
+
+        $utf8Name = '36字花-移动端接口设计草案.md';
+        $asciiFallback = '36zihua-mobile-api-design-draft.md';
+        $disposition = sprintf(
+            'attachment; filename="%s"; filename*=UTF-8\'\'%s',
+            $asciiFallback,
+            rawurlencode($utf8Name)
+        );
+
+        return new Response(200, [
+            'Content-Type'        => 'text/markdown; charset=UTF-8',
+            'Content-Disposition' => $disposition,
+            'Cache-Control'       => 'private, max-age=0, must-revalidate',
+        ], $body);
+    }
+
+    private function docAbsolutePath(): string
+    {
+        return rtrim(base_path(), DIRECTORY_SEPARATOR . '/') . DIRECTORY_SEPARATOR . self::DOC_RELATIVE;
+    }
+}
diff --git a/app/admin/lang/en.php b/app/admin/lang/en.php
index c60ea01..1518b42 100644
--- a/app/admin/lang/en.php
+++ b/app/admin/lang/en.php
@@ -96,4 +96,6 @@ return [
     'Please input correct username'                                                       => 'Please enter the correct username',
     'Please enter a valid commission rate for non-top role group'                         => 'Non-top role groups require a commission rate between 0 and 100 (%)',
     'Group Name Arr'                                                                      => 'Group Name Arr',
+    'Document file not found'                                                             => 'Document file not found',
+    'Failed to read document'                                                             => 'Failed to read document',
 ];
\ No newline at end of file
diff --git a/app/admin/lang/zh-cn.php b/app/admin/lang/zh-cn.php
index ca6d866..4ed359f 100644
--- a/app/admin/lang/zh-cn.php
+++ b/app/admin/lang/zh-cn.php
@@ -115,4 +115,6 @@ return [
     'Please input correct username'                                                       => '请输入正确的用户名',
     'Please enter a valid commission rate for non-top role group'                         => '非顶级角色组须填写 0～100 的分红比例(%)',
     'Group Name Arr'                                                                      => '分组名称数组',
+    'Document file not found'                                                             => '文档文件不存在',
+    'Failed to read document'                                                             => '读取文档失败',
 ];
\ No newline at end of file
diff --git a/app/common/lang/en/admin_rule_title.php b/app/common/lang/en/admin_rule_title.php
index 68f76c5..e4e07bc 100644
--- a/app/common/lang/en/admin_rule_title.php
+++ b/app/common/lang/en/admin_rule_title.php
@@ -124,4 +124,12 @@ return [
     // 其它中文按钮文案
     '期号开关' => 'Period toggle',
     '手动创建下一期' => 'Create next period manually',
+
+    // Markdown 文档目录
+    'Markdown文档' => 'Markdown documents',
+
+    // 文档：36字花移动端接口草案
+    '36字花移动端接口文档' => '36 Zihua mobile API design draft',
+    '拉取正文' => 'Load document body',
+    '下载 Markdown' => 'Download Markdown',
 ];
diff --git a/web/package.json b/web/package.json
index 1885725..b958c78 100644
--- a/web/package.json
+++ b/web/package.json
@@ -19,6 +19,7 @@
         "element-plus": "2.9.1",
         "font-awesome": "4.7.0",
         "lodash-es": "4.17.21",
+        "marked": "9.1.6",
         "mitt": "3.0.1",
         "nprogress": "0.2.0",
         "pinia": "2.3.0",
diff --git a/web/src/lang/backend/en.ts b/web/src/lang/backend/en.ts
index 293704a..d70ea5c 100644
--- a/web/src/lang/backend/en.ts
+++ b/web/src/lang/backend/en.ts
@@ -85,6 +85,12 @@ export default {
             'Newly added tasks will never start because they are blocked by failed tasks!(Web terminal)',
         'Failed to modify the source command, Please try again manually': 'Failed to modify the source command. Please try again manually.',
     },
+    docs36ziMobileApi: {
+        download: 'Download Markdown',
+        load_fail: 'Failed to load document',
+        doc_title: '36 Zihua Mobile API Design Draft',
+        nav_outline: 'Outline',
+    },
     vite: {
         Later: '稍后',
         'Restart hot update': '重启热更新',
diff --git a/web/src/lang/backend/zh-cn.ts b/web/src/lang/backend/zh-cn.ts
index 031c5f3..c04c136 100644
--- a/web/src/lang/backend/zh-cn.ts
+++ b/web/src/lang/backend/zh-cn.ts
@@ -85,6 +85,12 @@ export default {
         'Newly added tasks will never start because they are blocked by failed tasks': '新添加的任务永远不会开始，因为被失败的任务阻塞！（WEB终端）',
         'Failed to modify the source command, Please try again manually': '修改源的命令执行失败，请手动重试。',
     },
+    docs36ziMobileApi: {
+        download: '下载 Markdown',
+        load_fail: '文档加载失败',
+        doc_title: '36字花移动端接口设计草案',
+        nav_outline: '目录',
+    },
     vite: {
         Later: '稍后',
         'Restart hot update': '重启热更新',
diff --git a/web/src/views/backend/docs/doc36ZiHuaMobileApi/index.vue b/web/src/views/backend/docs/doc36ZiHuaMobileApi/index.vue
new file mode 100644
index 0000000..5de2edb
--- /dev/null
+++ b/web/src/views/backend/docs/doc36ZiHuaMobileApi/index.vue
@@ -0,0 +1,279 @@
+<template>
+    <div class="default-main doc-md-page" v-loading="loading">
+        <el-card shadow="never">
+            <template #header>
+                <div class="doc-md-header">
+                    <span class="doc-md-title">{{ pageTitle }}</span>
+                    <el-button type="primary" :loading="downloading" @click="onDownload">{{ t('docs36ziMobileApi.download') }}</el-button>
+                </div>
+            </template>
+            <div v-if="loadError" class="color-danger">{{ loadError }}</div>
+            <el-row v-else :gutter="16" class="doc-md-row">
+                <el-col v-if="toc.length" :xs="24" :sm="8" :md="7" :lg="6" class="doc-md-nav-col">
+                    <el-affix :offset="88">
+                        <div class="doc-nav-panel">
+                            <div class="doc-nav-title">{{ t('docs36ziMobileApi.nav_outline') }}</div>
+                            <el-scrollbar max-height="calc(100vh - 200px)">
+                                <ul class="doc-nav-list">
+                                    <li
+                                        v-for="item in toc"
+                                        :key="item.id"
+                                        class="doc-nav-item"
+                                        :class="'doc-nav-level-' + item.level"
+                                    >
+                                        <a href="#" class="doc-nav-link" @click.prevent="scrollToHeading(item.id)">{{
+                                            item.text
+                                        }}</a>
+                                    </li>
+                                </ul>
+                            </el-scrollbar>
+                        </div>
+                    </el-affix>
+                </el-col>
+                <el-col :xs="24" :sm="toc.length ? 16 : 24" :md="toc.length ? 17 : 24" :lg="toc.length ? 18 : 24">
+                    <div ref="bodyRef" class="ba-markdown doc-md-body" v-html="html"></div>
+                </el-col>
+            </el-row>
+        </el-card>
+    </div>
+</template>
+
+<script setup lang="ts">
+import { marked } from 'marked'
+import { computed, nextTick, onMounted, ref, watch } from 'vue'
+import { useI18n } from 'vue-i18n'
+import { getUrl } from '/@/utils/axios'
+import createAxios from '/@/utils/axios'
+import { useAdminInfo } from '/@/stores/adminInfo'
+import { useConfig } from '/@/stores/config'
+
+const { t } = useI18n()
+const adminInfo = useAdminInfo()
+const config = useConfig()
+
+const bodyRef = ref<HTMLElement | null>(null)
+const loading = ref(true)
+const downloading = ref(false)
+const markdown = ref('')
+const loadError = ref('')
+const downloadFilename = ref('36字花-移动端接口设计草案.md')
+
+marked.use({ breaks: true })
+
+interface TocItem {
+    level: number
+    text: string
+    id: string
+}
+
+const toc = computed((): TocItem[] => {
+    const md = markdown.value
+    if (!md) {
+        return []
+    }
+    const lines = md.split(/\r?\n/)
+    const out: TocItem[] = []
+    let idx = 0
+    for (const line of lines) {
+        const trimmed = line.trim()
+        const m = /^(#{1,4})\s+(.+)$/.exec(trimmed)
+        if (!m) {
+            continue
+        }
+        const level = m[1].length
+        let text = m[2].trim()
+        text = text.replace(/\s+#+\s*$/, '').trim()
+        out.push({ level, text, id: 'md-nav-' + String(idx) })
+        idx += 1
+    }
+    return out
+})
+
+const html = computed(() => {
+    if (!markdown.value) {
+        return ''
+    }
+    return String(marked.parse(markdown.value))
+})
+
+const pageTitle = computed(() => t('docs36ziMobileApi.doc_title'))
+
+function applyHeadingIds() {
+    const root = bodyRef.value
+    const items = toc.value
+    if (!root || !items.length) {
+        return
+    }
+    const hs = root.querySelectorAll('h1, h2, h3, h4')
+    const n = Math.min(items.length, hs.length)
+    for (let i = 0; i < n; i++) {
+        const el = hs.item(i)
+        el.id = items[i].id
+    }
+}
+
+watch(
+    () => [html.value, markdown.value],
+    () => {
+        void nextTick(() => {
+            applyHeadingIds()
+        })
+    }
+)
+
+async function loadContent() {
+    loading.value = true
+    loadError.value = ''
+    try {
+        const res = await createAxios(
+            {
+                url: '/admin/docs.Doc36ZiHuaMobileApi/content',
+                method: 'get',
+            },
+            { loading: false }
+        )
+        if (res.code === 1 && res.data && typeof res.data.markdown === 'string') {
+            markdown.value = res.data.markdown
+            if (typeof res.data.filename === 'string' && res.data.filename) {
+                downloadFilename.value = res.data.filename
+            }
+        } else {
+            loadError.value = res.msg || t('docs36ziMobileApi.load_fail')
+        }
+    } catch {
+        loadError.value = t('docs36ziMobileApi.load_fail')
+    } finally {
+        loading.value = false
+        void nextTick(() => {
+            applyHeadingIds()
+        })
+    }
+}
+
+function scrollToHeading(id: string) {
+    const el = document.getElementById(id)
+    if (el) {
+        el.scrollIntoView({ behavior: 'smooth', block: 'start' })
+    }
+}
+
+function triggerBlobDownload(blob: Blob, filename: string) {
+    const url = URL.createObjectURL(blob)
+    const a = document.createElement('a')
+    a.href = url
+    a.download = filename
+    a.style.display = 'none'
+    document.body.appendChild(a)
+    a.click()
+    document.body.removeChild(a)
+    URL.revokeObjectURL(url)
+}
+
+async function onDownload() {
+    downloading.value = true
+    try {
+        const token = adminInfo.getToken()
+        const fullUrl = getUrl() + '/admin/docs.Doc36ZiHuaMobileApi/download'
+        const response = await fetch(fullUrl, {
+            method: 'GET',
+            headers: {
+                batoken: token,
+                server: 'true',
+                'think-lang': config.lang.defaultLang,
+            },
+        })
+        if (!response.ok) {
+            loadError.value = t('docs36ziMobileApi.load_fail')
+            return
+        }
+        const ctype = response.headers.get('content-type') || ''
+        if (ctype.includes('application/json')) {
+            const j = await response.json()
+            loadError.value = typeof j.msg === 'string' && j.msg ? j.msg : t('docs36ziMobileApi.load_fail')
+            return
+        }
+        const blob = await response.blob()
+        triggerBlobDownload(blob, downloadFilename.value)
+    } catch {
+        loadError.value = t('docs36ziMobileApi.load_fail')
+    } finally {
+        downloading.value = false
+    }
+}
+
+onMounted(() => {
+    void loadContent()
+})
+</script>
+
+<style scoped lang="scss">
+.doc-md-page {
+    .doc-md-header {
+        display: flex;
+        align-items: center;
+        justify-content: space-between;
+        gap: 12px;
+        flex-wrap: wrap;
+    }
+    .doc-md-title {
+        font-weight: 600;
+    }
+    .doc-md-row {
+        align-items: flex-start;
+    }
+    .doc-md-nav-col {
+        margin-bottom: 16px;
+        @media (min-width: 768px) {
+            margin-bottom: 0;
+        }
+    }
+    .doc-nav-panel {
+        padding: 12px 12px 8px;
+        border: 1px solid var(--el-border-color-lighter);
+        border-radius: var(--el-border-radius-base);
+        background: var(--ba-bg-color-overlay);
+    }
+    .doc-nav-title {
+        font-weight: 600;
+        font-size: 14px;
+        margin-bottom: 8px;
+        padding-bottom: 8px;
+        border-bottom: 1px solid var(--el-border-color-lighter);
+    }
+    .doc-nav-list {
+        list-style: none;
+        margin: 0;
+        padding: 0 0 8px;
+    }
+    .doc-nav-item {
+        margin: 0;
+        padding: 4px 0;
+        line-height: 1.35;
+    }
+    .doc-nav-level-1 {
+        padding-left: 0;
+    }
+    .doc-nav-level-2 {
+        padding-left: 10px;
+    }
+    .doc-nav-level-3 {
+        padding-left: 20px;
+    }
+    .doc-nav-level-4 {
+        padding-left: 30px;
+    }
+    .doc-nav-link {
+        color: var(--el-text-color-regular);
+        text-decoration: none;
+        font-size: 13px;
+        word-break: break-word;
+        cursor: pointer;
+        &:hover {
+            color: var(--el-color-primary);
+        }
+    }
+    .doc-md-body {
+        max-width: 1100px;
+    }
+}
+</style>