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class="main-inner post posts-expand"><div class=post-block><article class=post-content itemscope itemtype=http://schema.org/Article lang=zh-CN><link href=https://nicksxs.me/2026/08/16/%E8%AE%A9chatgpt%E6%9D%A5%E7%BB%99%E6%88%91%E8%AE%B2%E8%A7%A3%E4%B8%8Bdeepseek-harness%E7%9A%84%E6%8F%92%E4%BB%B6%E4%BD%93%E7%B3%BB/ itemprop=mainEntityOfPage><span hidden itemprop=author itemscope itemtype=http://schema.org/Person><meta content=/uploads/avatar.jpg itemprop=image><meta content=Nicksxs itemprop=name></span><span hidden itemprop=publisher itemscope itemtype=http://schema.org/Organization><meta content="Nicksxs's Blog" itemprop=name><meta content="Nicksxs 的技术博客,深入 Java 运行时与生产诊断、低成本大模型推理和 Agent 工程实践。" itemprop=description></span><span hidden itemprop=post itemscope itemtype=http://schema.org/CreativeWork><meta content="让chatgpt来给我讲解下deepseek harness的插件体系 | Nicksxs's Blog" itemprop=name><meta content="最近deepseek发布了harness,试用了一下结合deepseek-4-flash,用它尝试写一个php的现代版phpmyadmin,因为也是一个比较重要且有一点复杂度的应用 试了下除了数据展示有点问题,修了一轮就完成了,整体表现还是不错的 然后看了下它主打的是万物都是插…" itemprop=description></span><header class=post-header><h1 itemprop="name headline" class=post-title>让chatgpt来给我讲解下deepseek harness的插件体系</h1><div class=post-meta-container><div class=post-meta><span class=post-meta-item><span class=post-meta-item-icon><i class="far fa-calendar"></i> </span><span class=post-meta-item-text>发表于</span> <time itemprop="dateCreated datePublished" title="创建时间:2026-08-16 23:07:34" datetime=2026-08-16T23:07:34+08:00>2026-08-16</time> </span><span class=post-meta-item><span class=post-meta-item-icon><i class="far fa-folder"></i> </span><span class=post-meta-item-text>分类于</span> <span itemprop=about itemscope itemtype=http://schema.org/Thing><a href=/categories/LLM/ itemprop=url rel=index><span itemprop=name>LLM</span></a> </span></span><span class="post-meta-item cloudflare-page-counter" data-title="让chatgpt来给我讲解下deepseek harness的插件体系" data-increment=true data-path=/2026/08/16/%E8%AE%A9chatgpt%E6%9D%A5%E7%BB%99%E6%88%91%E8%AE%B2%E8%A7%A3%E4%B8%8Bdeepseek-harness%E7%9A%84%E6%8F%92%E4%BB%B6%E4%BD%93%E7%B3%BB/ title=阅读次数><span class=post-meta-item-icon><i class="far fa-eye"></i> </span><span class=post-meta-item-text>阅读次数:</span> <span class=cloudflare-page-counter-count></span></span></div><div class=post-description>最近deepseek发布了harness,试用了一下结合deepseek-4-flash,用它尝试写一个php的现代版phpmyadmin,因为也是一个比较重要且有一点复杂度的应用 试了下除了数据展示有点问题,修了一轮就完成了,整体表现还是不错的 然后看了下它主打的是万物都是插…</div></div></header><div class=post-body itemprop=articleBody><p>最近deepseek发布了harness,试用了一下结合deepseek-4-flash,用它尝试写一个php的现代版phpmyadmin,因为也是一个比较重要且有一点复杂度的应用<br>试了下除了数据展示有点问题,修了一轮就完成了,整体表现还是不错的<br>然后看了下它主打的是万物都是插件<br>这个概念还是比较复杂的,尝试让gpt老师帮我讲解下<br>DeepSeek Harness 就像一个“由很多小员工临时组成的公司”。<br>没有一个超级总经理包办所有事情:<ul><li>一个员工负责问大模型;<li>一个员工负责读文件;<li>一个员工负责运行命令;<li>一个员工负责审批危险操作;<li>一个员工负责保存聊天记录;<li>一个员工负责显示网页界面。<br>这些“员工”就是插件。<br>需要什么员工,就把什么员工叫来;不需要了,就让它离开,并自动收拾自己留下的东西。</ul><h2 id=用一个真实请求走一遍><a class=headerlink href=#用一个真实请求走一遍 title=用一个真实请求走一遍></a>用一个真实请求走一遍</h2><p>你对 DeepSeek Harness 说:<blockquote><p>帮我读取 package.json,看看项目用了哪些依赖。<br>系统内部大致发生了这些事:</blockquote><figure class="highlight text"><table><tr><td class=gutter><pre><span class=line>1</span><br><span class=line>2</span><br><span class=line>3</span><br><span class=line>4</span><br><span class=line>5</span><br><span class=line>6</span><br><span class=line>7</span><br><span class=line>8</span><br><span class=line>9</span><br><span class=line>10</span><br><span class=line>11</span><br><span class=line>12</span><br><span class=line>13</span><br><span class=line>14</span><br><span class=line>15</span><br><span class=line>16</span><br><span class=line>17</span><br><span class=line>18</span><br><span class=line>19</span><br></pre><td class=code><pre><span class=line>你输入问题</span><br><span class=line> ↓</span><br><span class=line>Agent Loop 插件:决定下一步做什么</span><br><span class=line> ↓</span><br><span class=line>LLM 插件:把问题发给 DeepSeek</span><br><span class=line> ↓</span><br><span class=line>DeepSeek 返回:我要调用 read_file</span><br><span class=line> ↓</span><br><span class=line>权限插件:这个文件允许读吗?</span><br><span class=line> ↓</span><br><span class=line>文件工具插件:读取 package.json</span><br><span class=line> ↓</span><br><span class=line>日志插件:记录本次工具调用</span><br><span class=line> ↓</span><br><span class=line>Agent Loop 插件:把文件内容再次交给 DeepSeek</span><br><span class=line> ↓</span><br><span class=line>DeepSeek 生成最终回答</span><br><span class=line> ↓</span><br><span class=line>Web UI 插件:把回答显示出来</span><br></pre></table></figure><p>关键点是:<br>上面每一个步骤都可以由不同插件负责。<br>比如你可以:<ul><li>把 DeepSeek 换成其他模型;<li>把本地文件系统换成远程沙箱;<li>给文件读取前增加权限检查;<li>给模型调用增加重试;<li>给工具调用增加日志;<li>换掉整个 Agent Loop。<br>其他部分不需要跟着重写。</ul><h2 id=为什么普通插件系统做不到这么灵活><a class=headerlink href=#为什么普通插件系统做不到这么灵活 title=为什么普通插件系统做不到这么灵活></a>为什么普通插件系统做不到这么灵活</h2><p>普通软件的结构经常是:<figure class="highlight text"><table><tr><td class=gutter><pre><span class=line>1</span><br><span class=line>2</span><br><span class=line>3</span><br><span class=line>4</span><br></pre><td class=code><pre><span class=line>固定核心程序</span><br><span class=line>├── 插件位置 A</span><br><span class=line>├── 插件位置 B</span><br><span class=line>└── 插件位置 C</span><br></pre></table></figure><p>核心程序是老板,插件只能填几个预留位置。<br>DeepSeek Harness 更像:<figure class="highlight text"><table><tr><td class=gutter><pre><span class=line>1</span><br><span class=line>2</span><br><span class=line>3</span><br><span class=line>4</span><br><span class=line>5</span><br><span class=line>6</span><br><span class=line>7</span><br></pre><td class=code><pre><span class=line>极小的组装平台</span><br><span class=line>├── Agent Loop 插件</span><br><span class=line>├── 模型插件</span><br><span class=line>├── 工具插件</span><br><span class=line>├── 权限插件</span><br><span class=line>├── 存储插件</span><br><span class=line>└── UI 插件</span><br></pre></table></figure><p>连“核心 Agent 怎么循环运行”本身也是插件。<br>所以它不是:<blockquote><p>一个 Agent,加上一些插件。<br>而是:<br>很多插件组合起来以后,才形成一个 Agent。</blockquote><h2 id=插件之间怎么找到对方><a class=headerlink href=#插件之间怎么找到对方 title=插件之间怎么找到对方></a>插件之间怎么找到对方</h2><p>假设你写了一个天气工具插件。<br>它不能一启动就直接工作,因为它要先找到“工具管理器”。<br>所以它会声明:<figure class="highlight text"><table><tr><td class=gutter><pre><span class=line>1</span><br></pre><td class=code><pre><span class=line>我需要:tools 服务</span><br></pre></table></figure><p>代码里大概是:<figure class="highlight ts"><table><tr><td class=gutter><pre><span class=line>1</span><br></pre><td class=code><pre><span class=line><span class=keyword>export</span> <span class=keyword>const</span> inject = [<span class=string>'tools'</span>]</span><br></pre></table></figure><p>意思就是:<blockquote><p>只有工具管理器存在时,才启动我。<br>系统启动时可能出现这种情况:</blockquote><figure class="highlight text"><table><tr><td class=gutter><pre><span class=line>1</span><br><span class=line>2</span><br><span class=line>3</span><br><span class=line>4</span><br><span class=line>5</span><br><span class=line>6</span><br></pre><td class=code><pre><span class=line>天气插件:我需要 tools</span><br><span class=line>工具管理器:还没启动</span><br><span class=line>天气插件:那我先等着</span><br><span class=line></span><br><span class=line>工具管理器启动</span><br><span class=line>天气插件:条件满足,现在开始工作</span><br></pre></table></figure><p>如果工具管理器后来被替换:<figure class="highlight text"><table><tr><td class=gutter><pre><span class=line>1</span><br><span class=line>2</span><br><span class=line>3</span><br><span class=line>4</span><br><span class=line>5</span><br><span class=line>6</span><br><span class=line>7</span><br></pre><td class=code><pre><span class=line>旧工具管理器卸载</span><br><span class=line> ↓</span><br><span class=line>天气插件也暂时卸载</span><br><span class=line> ↓</span><br><span class=line>新工具管理器启动</span><br><span class=line> ↓</span><br><span class=line>天气插件重新启动,并连接新管理器</span><br></pre></table></figure><p>这就是 DeepSeek Harness 很特别的地方:<blockquote><p>插件依赖不是只在启动时检查一次,而是一直被系统关注。</blockquote><h2 id=ctx-到底是什么><a title="ctx 到底是什么" class=headerlink href=#ctx-到底是什么></a><code>ctx</code> 到底是什么</h2><p>插件启动时会拿到一个 <code>ctx</code>:<figure class="highlight ts"><table><tr><td class=gutter><pre><span class=line>1</span><br><span class=line>2</span><br><span class=line>3</span><br></pre><td class=code><pre><span class=line><span class=keyword>export</span> <span class=keyword>function</span> <span class="title function_">apply</span>(<span class=params>ctx</span>) {</span><br><span class=line> <span class=comment>// 使用 ctx 做事</span></span><br><span class=line>}</span><br></pre></table></figure><p>你可以把 <code>ctx</code> 理解成“公司总机”。<br>插件不知道其他插件住在哪里,只需要问总机:<figure class="highlight ts"><table><tr><td class=gutter><pre><span class=line>1</span><br><span class=line>2</span><br><span class=line>3</span><br><span class=line>4</span><br><span class=line>5</span><br></pre><td class=code><pre><span class=line>ctx.<span class=property>tools</span> <span class=comment>// 工具管理器</span></span><br><span class=line>ctx.<span class=property>llm</span> <span class=comment>// 模型管理器</span></span><br><span class=line>ctx.<span class=property>sessions</span> <span class=comment>// 会话管理器</span></span><br><span class=line>ctx.<span class=property>fs</span> <span class=comment>// 文件系统</span></span><br><span class=line>ctx.<span class=property>sandbox</span> <span class=comment>// 沙箱</span></span><br></pre></table></figure><p>比如天气插件说:<figure class="highlight ts"><table><tr><td class=gutter><pre><span class=line>1</span><br></pre><td class=code><pre><span class=line>ctx.<span class=property>tools</span>.<span class="title function_">register</span>(weatherTool)</span><br></pre></table></figure><p>意思就是:<blockquote><p>总机,请把我的天气能力登记到工具管理器里。<br>这样天气插件不需要自己找到 Agent Loop,也不需要直接修改模型提示词。工具管理器会负责把天气工具告诉模型。</blockquote><h2 id=插件卸载时,怎么避免留下垃圾><a class=headerlink href=#插件卸载时,怎么避免留下垃圾 title=插件卸载时,怎么避免留下垃圾></a>插件卸载时,怎么避免留下垃圾</h2><p>这是整个系统最值得理解的设计。<br>假设天气插件启动后做了三件事:<figure class="highlight text"><table><tr><td class=gutter><pre><span class=line>1</span><br><span class=line>2</span><br><span class=line>3</span><br></pre><td class=code><pre><span class=line>1. 注册 weather 工具</span><br><span class=line>2. 监听工具调用事件</span><br><span class=line>3. 启动一个定时器</span><br></pre></table></figure><p>如果只是粗暴地删除插件代码,可能留下:<ul><li>一个无法调用的 weather 工具;<li>一个永远存在的事件监听器;<li>一个一直运行的定时器。<br>DeepSeek Harness 要求插件在创建东西时,同时登记“怎么撤销”。<br>可以理解成:<figure class="highlight text"><table><tr><td class=gutter><pre><span class=line>1</span><br><span class=line>2</span><br><span class=line>3</span><br><span class=line>4</span><br><span class=line>5</span><br><span class=line>6</span><br><span class=line>7</span><br><span class=line>8</span><br></pre><td class=code><pre><span class=line>创建 weather 工具</span><br><span class=line>同时记下:卸载时删除 weather 工具</span><br><span class=line></span><br><span class=line>添加事件监听器</span><br><span class=line>同时记下:卸载时移除监听器</span><br><span class=line></span><br><span class=line>启动定时器</span><br><span class=line>同时记下:卸载时停止定时器</span><br></pre></table></figure>于是卸载插件时,系统会自动倒着清理:<figure class="highlight text"><table><tr><td class=gutter><pre><span class=line>1</span><br><span class=line>2</span><br><span class=line>3</span><br></pre><td class=code><pre><span class=line>停止定时器</span><br><span class=line>移除监听器</span><br><span class=line>删除 weather 工具</span><br></pre></table></figure>所以热更新才比较可靠。<br>修改天气插件代码后,系统可以:<figure class="highlight text"><table><tr><td class=gutter><pre><span class=line>1</span><br><span class=line>2</span><br><span class=line>3</span><br><span class=line>4</span><br><span class=line>5</span><br></pre><td class=code><pre><span class=line>完整清理旧天气插件</span><br><span class=line> ↓</span><br><span class=line>重新加载新代码</span><br><span class=line> ↓</span><br><span class=line>重新注册新天气工具</span><br></pre></table></figure>而不是让新旧两套东西同时残留。<br>这个“创建时顺便记录撤销方法”的机制,技术上叫 <code>effect</code>。</ul><h2 id=Fiber-又是什么><a title="Fiber 又是什么" class=headerlink href=#Fiber-又是什么></a>Fiber 又是什么</h2><p>现在再引入 Fiber 就很容易了。<br>Fiber 可以理解成:<blockquote><p>某个插件这一次运行的“工作档案”。<br>里面记录着:</blockquote><ul><li>这个插件是谁;<li>它在等哪些服务;<li>它现在有没有启动;<li>它注册过什么东西;<li>卸载时要清理什么;<li>它是否启动失败。<br>一个插件大致会经历<figure class="highlight text"><table><tr><td class=gutter><pre><span class=line>1</span><br><span class=line>2</span><br><span class=line>3</span><br><span class=line>4</span><br><span class=line>5</span><br><span class=line>6</span><br><span class=line>7</span><br><span class=line>8</span><br><span class=line>9</span><br></pre><td class=code><pre><span class=line>等待条件</span><br><span class=line> ↓</span><br><span class=line>正在启动</span><br><span class=line> ↓</span><br><span class=line>正常运行</span><br><span class=line> ↓</span><br><span class=line>正在清理</span><br><span class=line> ↓</span><br><span class=line>已经卸载</span><br></pre></table></figure>对应的技术名称是:<figure class="highlight text"><table><tr><td class=gutter><pre><span class=line>1</span><br><span class=line>2</span><br><span class=line>3</span><br><span class=line>4</span><br><span class=line>5</span><br></pre><td class=code><pre><span class=line>PENDING</span><br><span class=line>→ LOADING</span><br><span class=line>→ ACTIVE</span><br><span class=line>→ UNLOADING</span><br><span class=line>→ DISPOSED</span><br></pre></table></figure>所以 Fiber 不是线程,也不是子进程。<br>它只是插件的一份“生命周期档案”。</ul><h3 id=插件怎么插手系统流程><a class=headerlink href=#插件怎么插手系统流程 title=插件怎么插手系统流程></a>插件怎么插手系统流程</h3><p>有些插件提供能力,比如文件系统。<br>另一些插件不提供新能力,只想在某个流程中插一脚。<br>例如权限插件想在执行 Bash 前检查命令:<figure class="highlight text"><table><tr><td class=gutter><pre><span class=line>1</span><br><span class=line>2</span><br><span class=line>3</span><br><span class=line>4</span><br><span class=line>5</span><br><span class=line>6</span><br></pre><td class=code><pre><span class=line>模型请求执行 rm ...</span><br><span class=line> ↓</span><br><span class=line>权限插件检查</span><br><span class=line> ↓</span><br><span class=line>允许:继续执行</span><br><span class=line>拒绝:直接返回错误</span><br></pre></table></figure><p>这个过程很像高速公路收费站:<figure class="highlight text"><table><tr><td class=gutter><pre><span class=line>1</span><br><span class=line>2</span><br><span class=line>3</span><br><span class=line>4</span><br><span class=line>5</span><br><span class=line>6</span><br></pre><td class=code><pre><span class=line>请求</span><br><span class=line> → 审批站</span><br><span class=line> → 权限站</span><br><span class=line> → 超时站</span><br><span class=line> → 日志站</span><br><span class=line> → 真正执行</span><br></pre></table></figure><p>每一站都可以:<ul><li>检查请求;<li>修改请求;<li>记录请求;<li>放行;<li>拒绝继续。<br>在代码里,放行通常是调用:<figure class="highlight ts"><table><tr><td class=gutter><pre><span class=line>1</span><br></pre><td class=code><pre><span class=line><span class="title function_">next</span>()</span><br></pre></table></figure>不调用 <code>next()</code>,就表示到此为止。<br>这就是它所谓的 <code>waterfall</code>。本质上就是一条可插拔的中间件链。</ul><h2 id=Bundle-和-Profile-又是什么><a title="Bundle 和 Profile 又是什么" class=headerlink href=#Bundle-和-Profile-又是什么></a>Bundle 和 Profile 又是什么</h2><p>这里最容易被名词绕晕。<h3 id=Plugin-是员工><a title="Plugin 是员工" class=headerlink href=#Plugin-是员工></a>Plugin 是员工</h3><p>真正执行工作的代码。<h3 id=Bundle-是部门安装包><a title="Bundle 是部门安装包" class=headerlink href=#Bundle-是部门安装包></a>Bundle 是部门安装包</h3><p>一个 Bundle 可能一次带来很多插件,例如:<figure class="highlight text"><table><tr><td class=gutter><pre><span class=line>1</span><br><span class=line>2</span><br><span class=line>3</span><br><span class=line>4</span><br><span class=line>5</span><br><span class=line>6</span><br></pre><td class=code><pre><span class=line>Web Bundle</span><br><span class=line>├── Web 服务器插件</span><br><span class=line>├── 浏览器通信插件</span><br><span class=line>├── 聊天界面插件</span><br><span class=line>├── 设置页面插件</span><br><span class=line>└── Web 启动插件</span><br></pre></table></figure><p>Profile 是公司组织方案<br>比如:<figure class="highlight text"><table><tr><td class=gutter><pre><span class=line>1</span><br><span class=line>2</span><br><span class=line>3</span><br></pre><td class=code><pre><span class=line>web Profile</span><br><span class=line>├── 基础 Bundle</span><br><span class=line>└── Web Bundle</span><br></pre></table></figure><p>而:<figure class="highlight text"><table><tr><td class=gutter><pre><span class=line>1</span><br><span class=line>2</span><br><span class=line>3</span><br></pre><td class=code><pre><span class=line>headless Profile</span><br><span class=line>├── 基础 Bundle</span><br><span class=line>└── 命令行 Bundle</span><br></pre></table></figure><p>因此:<figure class="highlight bash"><table><tr><td class=gutter><pre><span class=line>1</span><br></pre><td class=code><pre><span class=line>dsh --profile web</span><br></pre></table></figure><p>可以理解成:<blockquote><p>按照 Web 这套组织方案,把对应部门和员工全部组装起来。</blockquote><h2 id=安装一个插件时发生什么><a class=headerlink href=#安装一个插件时发生什么 title=安装一个插件时发生什么></a>安装一个插件时发生什么</h2><p>执行:<figure class="highlight bash"><table><tr><td class=gutter><pre><span class=line>1</span><br></pre><td class=code><pre><span class=line>dsh plugin --profile web add some-plugin</span><br></pre></table></figure><p>大致等于:<figure class="highlight text"><table><tr><td class=gutter><pre><span class=line>1</span><br><span class=line>2</span><br><span class=line>3</span><br><span class=line>4</span><br><span class=line>5</span><br></pre><td class=code><pre><span class=line>1. 用 pnpm 下载 npm 包</span><br><span class=line>2. 查看这个包有没有声明自己是 DSH Bundle</span><br><span class=line>3. 找到它携带的插件配置</span><br><span class=line>4. 把它加入 web Profile</span><br><span class=line>5. 下次启动时加载其中的插件</span><br></pre></table></figure><p>大概是这么个逻辑</div><footer class=post-footer><div class="affiliate-creative affiliate-creative--post-end" data-affiliate-id=tencent-cloud-server><a rel="sponsored noopener" aria-label=腾讯云服务器优惠 href=https://cloud.tencent.com/act/cps/redirect?redirect=6544&cps_key=2e33a1eedb380997d03618b4a5ba6ca7&from=console target=_blank><img alt="腾讯云 AI 焕新云服务器优惠" decoding=async height=241 loading=lazy src=/uploads/affiliate/tencent-cloud-server.webp width=690> </a><span 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