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  6. <title>阿里云百炼模型下线监控系统 · 技术方案</title>
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  96. </head>
    97. 

  97. <body>
    98. 

  98. <div class="wrap">
    99. 

  99. 

  100. <header>
    101. 

  101.   <h1>阿里云百炼 · 模型下线监控系统</h1>
    102. 

  102.   <div class="sub">面向模型批量下架 / API 失效风险的自动化监控与聚合告警方案</div>
    103. 

  103.   <div class="tags">
    104. 

  104.     <span class="tag"><b>Python</b> 技术栈</span>
    105. 

  105.     <span class="tag"><b>DashScope</b> 官方 SDK</span>
    106. 

  106.     <span class="tag">双通道监测</span>
    107. 

  107.     <span class="tag">零本地状态 · 云端去重</span>
    108. 

  108.     <span class="tag">钉钉 + 邮件双出口</span>
    109. 

  109.   </div>
    110. 

  110. </header>
    111. 

  111. 

  112. <!-- ============ 1. 系统概览 ============ -->
    113. 

  113. <section>
    114. 

  114.   <h2><span class="no n1">1</span>系统概览</h2>
    115. 

  115.   <p class="lead">应对"阿里云百炼不定期下架过期模型、API 用着用着突然失效"的问题，构建一个部署在 Linux 服务器上的轻量监控服务。</p>
    116. 

  116.   <div class="cards">
    117. 

  117.     <div class="card"><h4><i>🎯</i>核心目标</h4><p>第一时间感知模型下线与请求异常，把"用户被动发现 API 失效"变为"系统主动告警"。</p></div>
    118. 

  118.     <div class="card"><h4><i>🔁</i>双通道监测</h4><p>① 定时轮询云端邮箱，监听阿里云模型下线通知；② 按配置频次主动调用每个模型验证可用性。</p></div>
    119. 

  119.     <div class="card"><h4><i>📮</i>零本地状态</h4><p>不依赖任何本地文件做缓存；已告警标识直接查询<strong>云端发件箱</strong>获取，重启无副作用、多机可部署。</p></div>
    120. 

  120.     <div class="card"><h4><i>📣</i>聚合告警</h4><p>本轮所有异常合并为一条消息，同时推送<strong>钉钉群机器人</strong>与<strong>邮件群发</strong>，通知到公司内部群。</p></div>
    121. 

  121.   </div>
    122. 

  122. </section>
    123. 

  123. 

  124. <!-- ============ 2. 系统架构 ============ -->
    125. 

  125. <section>
    126. 

  126.   <h2><span class="no n2">2</span>系统架构</h2>
    127. 

  127.   <p class="lead">三层结构：外部依赖（左侧） → 监控系统核心（中） → 通知出口（下）。调度器按配置频次触发整轮流程。</p>
    128. 

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    129. 

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    145. 

  145.       <text x="200" y="66" fill="#38bdf8" text-anchor="middle" font-size="15" font-weight="700">阿里云百炼 · DashScope API</text>
    146. 

  146.       <text x="200" y="86" fill="#93a0c4" text-anchor="middle" font-size="12">被监控对象（模型推理服务）</text>
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  150.       <text x="800" y="86" fill="#93a0c4" text-anchor="middle" font-size="12">收件箱 INBOX + 发件箱 Sent</text>
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  152. 

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  155.     <text x="500" y="176" fill="#5b6b96" text-anchor="middle" font-size="14" font-weight="700">监 控 系 统  ·  零本地状态（无任何本地文件缓存）</text>
    156. 

  156. 

  157.     <!-- 模块行 -->
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  159.       <rect x="110" y="205" width="210" height="78" rx="12" fill="#1a2340" stroke="#38bdf8"/>
    160. 

  160.       <text x="215" y="234" fill="#e6ecff" text-anchor="middle" font-size="14" font-weight="700">定时调度器</text>
    161. 

  161.       <text x="215" y="256" fill="#93a0c4" text-anchor="middle" font-size="12">按配置频次触发整轮</text>
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    164. 

  164.       <text x="500" y="234" fill="#e6ecff" text-anchor="middle" font-size="14" font-weight="700">邮件检查器</text>
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    169. 

  169.       <text x="785" y="256" fill="#93a0c4" text-anchor="middle" font-size="12">chat / image / audio 三种类型</text>
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  171. 

  172.     <!-- 聚合器 -->
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    176. 

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  182.       <text x="295" y="586" fill="#f87171" text-anchor="middle" font-size="14" font-weight="700">钉钉群机器人</text>
    183. 

  183.       <text x="295" y="606" fill="#93a0c4" text-anchor="middle" font-size="12">HMAC 加签 · Markdown 推送</text>
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    186. 

  186.       <text x="705" y="586" fill="#f87171" text-anchor="middle" font-size="14" font-weight="700">SMTP 群发 → 通知人邮箱</text>
    187. 

  187.       <text x="705" y="606" fill="#93a0c4" text-anchor="middle" font-size="12">标题带 [ALERT-MSG:ID]，留存云端发件箱</text>
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  189. 

  190.     <!-- 箭头 -->
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    194. 

  194.     <text x="500" y="112" fill="#2dd4bf" text-anchor="middle" font-size="11">查询云端发件箱 Sent 去重</text>
    195. 

  195. 

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    202. 

  202.   </svg>
    203. 

  203.   </div>
    204. 

  204.   <div class="note blue">关键设计：监控系统<strong>不落任何本地文件</strong>。去重依据来自<strong>云端发件箱留存</strong>——服务重启、迁移、多副本部署均不会丢失告警状态。</div>
    205. 

  205. </section>
    206. 

  206. 

  207. <!-- ============ 3. 单轮执行流程 ============ -->
    208. 

  208. <section>
    209. 

  209.   <h2><span class="no n3">3</span>单轮执行流程</h2>
    210. 

  210.   <p class="lead">每次轮询：邮件检查与模型探测<strong>并行</strong>执行；本轮结束时统一汇总，异常事件聚合推送，全部正常则静默。</p>
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  224. 

  225.     <!-- 开始 -->
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    227. 

  227.     <text x="500" y="58" fill="#38bdf8" text-anchor="middle" font-size="14" font-weight="700">定时触发（按配置频次）</text>
    228. 

  228. 

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    236. 

  236.     <text x="335" y="188" fill="#e6ecff" text-anchor="middle" font-size="13" font-weight="700">检查云端收件箱（近 3 天）</text>
    237. 

  237.     <text x="335" y="210" fill="#93a0c4" text-anchor="middle" font-size="12">关键词匹配 · 发件人过滤 · 发件箱去重</text>
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  240.     <text x="705" y="188" fill="#e6ecff" text-anchor="middle" font-size="13" font-weight="700">探测全部配置模型</text>
    241. 

  241.     <text x="705" y="210" fill="#93a0c4" text-anchor="middle" font-size="12">dashscope SDK · chat / image / audio</text>
    242. 

  242. 

  243.     <line x1="335" y1="250" x2="480" y2="310" stroke="#5b6b96" stroke-width="1.6" marker-end="url(#arr2)"/>
    244. 

  244.     <line x1="705" y1="250" x2="560" y2="310" stroke="#5b6b96" stroke-width="1.6" marker-end="url(#arr2)"/>
    245. 

  245. 

  246.     <!-- 判定菱形 -->
    247. 

  247.     <path d="M500,310 L650,378 L500,446 L350,378 Z" fill="#16214a" stroke="#fbbf24" stroke-width="1.6"/>
    248. 

  248.     <text x="500" y="378" fill="#fbbf24" text-anchor="middle" font-size="14" font-weight="700">存在下线通知</text>
    249. 

  249.     <text x="500" y="400" fill="#fbbf24" text-anchor="middle" font-size="14" font-weight="700">或模型异常？</text>
    250. 

  250. 

  251.     <!-- 否 分支 -->
    252. 

  252.     <line x1="500" y1="446" x2="500" y2="500" stroke="#2dd4bf" stroke-width="1.6" marker-end="url(#arrg)"/>
    253. 

  253.     <rect x="390" y="500" width="220" height="50" rx="10" fill="#1a2340" stroke="#2dd4bf"/>
    254. 

  254.     <text x="500" y="530" fill="#2dd4bf" text-anchor="middle" font-size="13" font-weight="700">本轮结束 · 静默无操作</text>
    255. 

  255. 

  256.     <!-- 是 分支 -->
    257. 

  257.     <line x1="650" y1="378" x2="760" y2="378" stroke="#f87171" stroke-width="1.6" marker-end="url(#arrr)"/>
    258. 

  258.     <text x="698" y="366" fill="#f87171" text-anchor="middle" font-size="12">是</text>
    259. 

  259.     <text x="320" y="366" fill="#2dd4bf" text-anchor="middle" font-size="12">否</text>
    260. 

  260. 

  261.     <rect x="762" y="336" width="220" height="84" rx="12" fill="#1a2340" stroke="#f87171"/>
    262. 

  262.     <text x="872" y="364" fill="#e6ecff" text-anchor="middle" font-size="13" font-weight="700">聚合告警</text>
    263. 

  263.     <text x="872" y="386" fill="#93a0c4" text-anchor="middle" font-size="12">邮件事件逐条 + 模型异常合并</text>
    264. 

  264. 

  265.     <line x1="872" y1="420" x2="872" y2="470" stroke="#f87171" stroke-width="1.6" marker-end="url(#arrr)"/>
    266. 

  266. 

  267.     <rect x="762" y="472" width="220" height="84" rx="12" fill="#1a2340" stroke="#f87171"/>
    268. 

  268.     <text x="872" y="500" fill="#e6ecff" text-anchor="middle" font-size="13" font-weight="700">双出口推送</text>
    269. 

  269.     <text x="872" y="522" fill="#93a0c4" text-anchor="middle" font-size="12">钉钉 + SMTP 群发，标题带 [ALERT-MSG]</text>
    270. 

  270. 

  271.     <line x1="872" y1="556" x2="872" y2="600" stroke="#f87171" stroke-width="1.6" marker-end="url(#arrr)"/>
    272. 

  272.     <rect x="762" y="602" width="220" height="50" rx="10" fill="#1a2340" stroke="#2dd4bf"/>
    273. 

  273.     <text x="872" y="632" fill="#2dd4bf" text-anchor="middle" font-size="13" font-weight="700">告警留存云端发件箱（供下轮去重）</text>
    274. 

  274.   </svg>
    275. 

  275.   </div>
    276. 

  276. </section>
    277. 

  277. 

  278. <!-- ============ 4. 调度策略 ============ -->
    279. 

  279. <section>
    280. 

  280.   <h2><span class="no n4">4</span>调度策略</h2>
    281. 

  281.   <p class="lead">配置"每天执行次数"即可，系统按 24 / N 小时均匀分布整点触发；也可用标准 cron 表达式精确指定时刻。</p>
    282. 

  282.   <div class="grid2">
    283. 

  283.     <div class="svgbox">
    284. 

  284.     <svg viewBox="0 0 520 150" xmlns="http://www.w3.org/2000/svg" font-family="'Microsoft YaHei','PingFang SC',sans-serif">
    285. 

  285.       <line x1="40" y1="90" x2="480" y2="90" stroke="#2a3558" stroke-width="2"/>
    286. 

  286.       <circle cx="60"  cy="90" r="12" fill="#16214a" stroke="#f87171" stroke-width="2"/>
    287. 

  287.       <circle cx="300" cy="90" r="12" fill="#16214a" stroke="#38bdf8" stroke-width="2"/>
    288. 

  288.       <circle cx="460" cy="90" r="12" fill="#16214a" stroke="#2dd4bf" stroke-width="2"/>
    289. 

  289.       <text x="60"  y="52" fill="#f87171" text-anchor="middle" font-size="15" font-weight="700">00:00</text>
    290. 

  290.       <text x="60"  y="70" fill="#93a0c4" text-anchor="middle" font-size="11">触发点</text>
    291. 

  291.       <text x="300" y="52" fill="#38bdf8" text-anchor="middle" font-size="15" font-weight="700">12:00</text>
    292. 

  292.       <text x="300" y="70" fill="#93a0c4" text-anchor="middle" font-size="11">触发点</text>
    293. 

  293.       <text x="460" y="52" fill="#2dd4bf" text-anchor="middle" font-size="15" font-weight="700">24:00</text>
    294. 

  294.       <text x="460" y="70" fill="#93a0c4" text-anchor="middle" font-size="11">次日零点</text>
    295. 

  295.       <text x="260" y="128" fill="#93a0c4" text-anchor="middle" font-size="12">示例：每天 2 次 → 00:00 与 12:00</text>
    296. 

  296.     </svg>
    297. 

  297.     </div>
    298. 

  298.     <div>
    299. 

  299.       <ul class="steps">
    300. 

  300.         <li data-i="1"><b>数字频次</b>：配置 <code>daily_count = N</code>，即每天 N 次，按 24/N 小时均匀分布整点。</li>
    301. 

  301.         <li data-i="2"><b>精确时刻</b>：可选用标准 cron 表达式（分 时 日 月 周）指定任意时刻，优先级高于数字频次。</li>
    302. 

  302.         <li data-i="3"><b>单轮超时</b>：单轮执行设整体超时保护，避免卡死影响后续轮次。</li>
    303. 

  303.         <li data-i="4"><b>时间窗口</b>：邮件仅检索<strong>近 3 天</strong>收到的通知，天然屏蔽历史陈旧通知，避免重复告警。</li>
    304. 

  304.       </ul>
    305. 

  305.     </div>
    306. 

  306.   </div>
    307. 

  307. </section>
    308. 

  308. 

  309. <!-- ============ 5. 模型探测 ============ -->
    310. 

  310. <section>
    311. 

  311.   <h2><span class="no n5">5</span>模型探测机制</h2>
    312. 

  312.   <p class="lead">基于阿里云官方 dashscope SDK 发起推理请求，按 DashScope 协议判定健康状态。</p>
    313. 

  313.   <div class="cards">
    314. 

  314.     <div class="card"><h4><i>💬</i>chat · 文本对话</h4><p>文本对话类模型（如 qwen-turbo / qwen-plus / qwen-max），发送一句固定问候语验证。</p></div>
    315. 

  315.     <div class="card"><h4><i>🖼️</i>image · 图像输入</h4><p>多模态图像输入模型（如 qwen-vl 系列），附带一张示例图与固定提问验证。</p></div>
    316. 

  316.     <div class="card"><h4><i>🎙️</i>audio · 音频输入</h4><p>音频输入模型（如 qwen-audio 系列），附带一段示例音频与固定提问验证。</p></div>
    317. 

  317.   </div>
    318. 

  318.   <div class="grid2" style="margin-top:14px">
    319. 

  319.     <div class="card"><h4><i>✅</i>健康判定规则</h4><p><b>正常</b>：HTTP 200 且响应包含配置的必填字段。<br>
    320. 

  320.     <b>警告</b>：HTTP 200 但缺少必填字段（响应格式异常）。<br>
    321. 

  321.     <b>紧急</b>：HTTP 非 200（模型下线、鉴权失败、参数变更等）。</p></div>
    322. 

  322.     <div class="card"><h4><i>📋</i>可校验内容</h4><p>每个模型可配置期望响应中<strong>必须包含的字段</strong>（点路径，如输出正文、请求 ID），缺字段即视为异常，防止"返回 200 但内容不对"的假成功。</p></div>
    323. 

  323.   </div>
    324. 

  324.   <div class="note">判定口径：默认响应成功返回 <strong>HTTP 200</strong> 状态码；一旦非 200 或字段缺失，即触发本轮告警。</div>
    325. 

  325. </section>
    326. 

  326. 

  327. <!-- ============ 6. 邮件告警与去重 ============ -->
    328. 

  328. <section>
    329. 

  329.   <h2><span class="no n6">6</span>邮件告警与云端去重</h2>
    330. 

  330.   <p class="lead">模型下线通知"仅告警一次"，通过<strong>云端发件箱留存 + 标题内嵌 Message-ID</strong> 实现无状态去重，不依赖任何本地文件。</p>
    331. 

  331.   <div class="svgbox">
    332. 

  332.   <svg viewBox="0 0 1000 560" xmlns="http://www.w3.org/2000/svg" font-family="'Microsoft YaHei','PingFang SC',sans-serif">
    333. 

  333.     <defs>
    334. 

  334.       <marker id="arr3" markerWidth="9" markerHeight="9" refX="7" refY="4.5" orient="auto">
    335. 

  335.         <path d="M0,0 L9,4.5 L0,9 Z" fill="#5b6b96"/>
    336. 

  336.       </marker>
    337. 

  337.       <marker id="arrc3" markerWidth="9" markerHeight="9" refX="7" refY="4.5" orient="auto">
    338. 

  338.         <path d="M0,0 L9,4.5 L0,9 Z" fill="#2dd4bf"/>
    339. 

  339.       </marker>
    340. 

  340.     </defs>
    341. 

  341. 

  342.     <!-- 生命线 -->
    343. 

  343.     <line x1="150" y1="60" x2="150" y2="520" stroke="#2a3558" stroke-width="1.4" stroke-dasharray="4 4"/>
    344. 

  344.     <line x1="430" y1="60" x2="430" y2="520" stroke="#2a3558" stroke-width="1.4" stroke-dasharray="4 4"/>
    345. 

  345.     <line x1="700" y1="60" x2="700" y2="520" stroke="#2a3558" stroke-width="1.4" stroke-dasharray="4 4"/>
    346. 

  346.     <line x1="920" y1="60" x2="920" y2="520" stroke="#2a3558" stroke-width="1.4" stroke-dasharray="4 4"/>
    347. 

  347. 

  348.     <rect x="70"  y="22" width="160" height="34" rx="8" fill="#16214a" stroke="#fbbf24"/>
    349. 

  349.     <text x="150" y="44" fill="#fbbf24" text-anchor="middle" font-size="13" font-weight="700">阿里云通知</text>
    350. 

  350.     <rect x="350" y="22" width="160" height="34" rx="8" fill="#16214a" stroke="#38bdf8"/>
    351. 

  351.     <text x="430" y="44" fill="#38bdf8" text-anchor="middle" font-size="13" font-weight="700">监控系统</text>
    352. 

  352.     <rect x="610" y="22" width="180" height="34" rx="8" fill="#16214a" stroke="#a78bfa"/>
    353. 

  353.     <text x="700" y="44" fill="#a78bfa" text-anchor="middle" font-size="13" font-weight="700">SMTP · 云端发件箱</text>
    354. 

  354.     <rect x="840" y="22" width="160" height="34" rx="8" fill="#16214a" stroke="#f87171"/>
    355. 

  355.     <text x="920" y="44" fill="#f87171" text-anchor="middle" font-size="13" font-weight="700">通知人</text>
    356. 

  356. 

  357.     <!-- 1 收件 -->
    358. 

  358.     <line x1="160" y1="90" x2="420" y2="90" stroke="#5b6b96" stroke-width="1.6" marker-end="url(#arr3)"/>
    359. 

  359.     <text x="290" y="82" fill="#e6ecff" text-anchor="middle" font-size="12">发送模型下线通知邮件</text>
    360. 

  360.     <text x="290" y="106" fill="#93a0c4" text-anchor="middle" font-size="11">落入收件箱 INBOX</text>
    361. 

  361. 

  362.     <!-- 2 判断 -->
    363. 

  363.     <rect x="300" y="128" width="260" height="54" rx="10" fill="#1a2340" stroke="#38bdf8"/>
    364. 

  364.     <text x="430" y="150" fill="#e6ecff" text-anchor="middle" font-size="12" font-weight="700">匹配关键词 / 发件人过滤</text>
    365. 

  365.     <text x="430" y="170" fill="#93a0c4" text-anchor="middle" font-size="11">查询云端发件箱 → 无此 ID → 判定为新事件</text>
    366. 

  366. 

  367.     <!-- 3 群发 -->
    368. 

  368.     <line x1="440" y1="200" x2="688" y2="200" stroke="#f87171" stroke-width="1.6" marker-end="url(#arr3)"/>
    369. 

  369.     <text x="560" y="192" fill="#f87171" text-anchor="middle" font-size="12" font-weight="700">群发告警，标题嵌入 [ALERT-MSG:原始ID]</text>
    370. 

  370.     <line x1="710" y1="228" x2="910" y2="228" stroke="#f87171" stroke-width="1.6" marker-end="url(#arr3)"/>
    371. 

  371.     <text x="810" y="220" fill="#e6ecff" text-anchor="middle" font-size="12">告警邮件送达通知人</text>
    372. 

  372. 

  373.     <!-- 4 留存 -->
    374. 

  374.     <rect x="610" y="256" width="180" height="52" rx="10" fill="#1a2340" stroke="#a78bfa"/>
    375. 

  375.     <text x="700" y="276" fill="#e6ecff" text-anchor="middle" font-size="12" font-weight="700">告警邮件留存发件箱 Sent</text>
    376. 

  376.     <text x="700" y="296" fill="#93a0c4" text-anchor="middle" font-size="11">标题含 Message-ID，供后续查询</text>
    377. 

  377. 

  378.     <!-- 5 下轮去重 -->
    379. 

  379.     <text x="430" y="352" fill="#2dd4bf" text-anchor="middle" font-size="12" font-weight="700">下一轮触发</text>
    380. 

  380.     <line x1="440" y1="368" x2="690" y2="368" stroke="#2dd4bf" stroke-width="1.6" stroke-dasharray="6 4" marker-end="url(#arrc3)"/>
    381. 

  381.     <text x="560" y="360" fill="#93a0c4" text-anchor="middle" font-size="11">查询发件箱中已告警的 Message-ID</text>
    382. 

  382.     <line x1="690" y1="396" x2="440" y2="396" stroke="#2dd4bf" stroke-width="1.6" stroke-dasharray="6 4" marker-end="url(#arrc3)"/>
    383. 

  383.     <text x="560" y="412" fill="#2dd4bf" text-anchor="middle" font-size="11" font-weight="700">命中已存在 → 跳过，不重复告警</text>
    384. 

  384. 

  385.     <text x="430" y="470" fill="#93a0c4" text-anchor="middle" font-size="12">收件箱中该邮件也不再触发（近 3 天窗口内已被标记）</text>
    386. 

  386.   </svg>
    387. 

  387.   </div>
    388. 

  388.   <div class="note"><b>去重原理</b>：告警邮件标题携带原始通知的 Message-ID 并留存于云端发件箱；下一轮直接查询发件箱即可得知"这条通知是否已告警过"，<b>无需任何本地缓存</b>。</div>
    389. 

  389. </section>
    390. 

  390. 

  391. <!-- ============ 7. 告警聚合与通知 ============ -->
    392. 

  392. <section>
    393. 

  393.   <h2><span class="no n7">7</span>告警聚合与双通道通知</h2>
    394. 

  394.   <p class="lead">模型告警是即时性的：只要本轮探测到异常，就在本轮结束时聚合推送，不跨轮积压。</p>
    395. 

  395.   <div class="grid2">
    396. 

  396.     <div class="card"><h4><i>📦</i>聚合规则</h4><p>例：10 个模型中 3 个异常 → 本轮结束后把<strong>问题模型列表及错误详情合并为一条告警</strong>，而非逐条轰炸。邮件下线事件按事件逐条独立推送（因涉及各自去重）。</p></div>
    397. 

  397.     <div class="card"><h4><i>🤖</i>钉钉群机器人</h4><p>向公司内部群推送 Markdown 告警，支持 HMAC 加签与指定成员 @提醒，@全体可选。</p></div>
    398. 

  398.     <div class="card"><h4><i>📧</i>邮件群发</h4><p>通过 SMTP 向配置的通知人邮箱列表群发；标题内嵌 Message-ID 供云端发件箱去重闭环使用。</p></div>
    399. 

  399.     <div class="card"><h4><i>🛡️</i>系统自身异常兜底</h4><p>邮箱连接失败等系统级错误<strong>仅走钉钉</strong>，避免"告警通道自身故障导致死循环刷邮件"。</p></div>
    400. 

  400.   </div>
    401. 

  401.   <div class="note blue">双通道同时推送：钉钉负责即时提醒与 @成员，邮件负责留存归档与二次通知，互为备份。</div>
    402. 

  402. </section>
    403. 

  403. 

  404. <footer>阿里云百炼模型下线监控系统 · 技术方案（Python / dashscope SDK）</footer>
    405. 

  405. </div>
    406. 

  406. </body>
    407. 

  407. </html>
    408.