diff --git a/static/mofin_health.html b/static/mofin_health.html
index 83e538fd..66774d2f 100644
--- a/static/mofin_health.html
+++ b/static/mofin_health.html
@@ -50,11 +50,13 @@ td.wrap{white-space:normal;font-size:11px;max-width:200px}
   <div class="tab active" onclick="switchTab(0)">🌳 功能树</div>
   <div class="tab" onclick="switchTab(1)">🔧 全部流程/Cron</div>
   <div class="tab" onclick="switchTab(2)">🗃️ 数据实体</div>
+  <div class="tab" onclick="switchTab(3)">🔀 数据流</div>
 </div>
 
 <div id="panel0" class="panel active"></div>
 <div id="panel1" class="panel"></div>
 <div id="panel2" class="panel"></div>
+<div id="panel3" class="panel"></div>
 
 <script>
 let data = null;
@@ -65,41 +67,130 @@ function switchTab(idx) {
 }
 
 function renderFeatureTree(tree) {
-  let html = '<table><thead><tr><th style="width:40%">功能模块</th><th>来源</th><th>类型</th><th>调度</th><th>状态</th><th>最后运行</th></tr></thead><tbody>';
-  function walk(node, depth) {
-    const indent = 'style="padding-left:'+(depth*20+8)+'px"';
+  let grp = (function(){let i=0;return function(){return 'ftg-'+(++i);}})();
+  let html = '<table><thead><tr><th style="width:40%">功能模块</th><th>来源</th><th>类型</th><th>调度</th><th>状态</th><th>最后运行</th></tr></thead>';
+  
+  function walk(node, depth, groupId) {
+    const indent = 'padding-left:'+(depth*20+8)+'px';
     const cls = node.status || 'ok';
-    
-    // 尝试匹配cron
+    const hasKids = node.children && node.children.length > 0;
     const pipes = node.pipes || [];
+    const isCat = hasKids && pipes.length === 0;
     
-    if (pipes.length === 0) {
-      // 无对应cron的功能节点
-      html += `<tr><td ${indent}><span class="badge ${cls}"></span><strong>${node.label}</strong><span class="cron-detail">(纯逻辑节点)</span></td>`;
-      html += `<td>-</td><td>-</td><td>-</td><td class="pipeline-${cls==='ok'?'ok':'warn'}">${cls}</td><td>-</td></tr>`;
-    } else {
-      // 有对应cron的节点
+    if (isCat) {
+      // 分类节点——生成一个可折叠组
+      const g = grp();
+      html += `<tr id="${g}-h" onclick="toggleFt('${g}')" style="cursor:pointer" data-group="${groupId||''}">`;
+      html += `<td style="${indent}"><span id="${g}-ico">▼</span> <span class="badge ${cls}"></span><strong>${node.label}</strong></td>`;
+      html += `<td>-</td><td>-</td><td>-</td><td class="pipeline-${cls}">${cls}</td><td>-</td></tr>`;
+      // 子节点都带上这个组的data-sub
+      node.children.forEach(c => walk(c, depth+1, g));
+      return;
+    }
+    
+    if (pipes.length > 0) {
       pipes.forEach((p, i) => {
-        const indent2 = i===0 ? indent : 'style="padding-left:'+(depth*20+32)+'px"';
+        const indent2 = i===0 ? indent : 'padding-left:'+(depth*20+32)+'px';
         const tagCls = p.status==='ok'?'ok':p.status==='error'?'error':'warn';
-        const profileBadge = p.profile==='position-analyst' ? '📋' : '📦';
+        const pBadge = p.profile==='position-analyst' ? '📋' : '📦';
+        // 子节点显式带data-group
+        const groupAttr = groupId ? `data-group="${groupId}"` : '';
         if (i===0) {
-          html += `<tr><td ${indent2}><span class="badge ${cls}"></span><strong>${node.label}</strong></td>`;
+          html += `<tr ${groupAttr}><td style="${indent2}"><span class="badge ${cls}"></span><strong>${node.label}</strong></td>`;
         } else {
-          html += `<tr><td ${indent2}><span style="color:#30363d">└</span> ${p.name||p.script||'LLM'}</td>`;
+          html += `<tr ${groupAttr}><td style="${indent2}"><span style="color:#30363d">└</span> ${p.name||p.script||'LLM'}</td>`;
         }
-        html += `<td style="font-size:11px">${profileBadge} ${p.profile||'?'}</td>`;
+        html += `<td style="font-size:11px">${pBadge} ${p.profile||'?'}</td>`;
         html += `<td><span class="cron-tag ${tagCls}">${p.type||'LLM'}</span></td>`;
         html += `<td style="font-size:11px">${p.schedule||'-'}</td>`;
         html += `<td class="pipeline-${tagCls}">${p.status}</td>`;
         html += `<td style="font-size:11px">${p.last_run||'-'}</td></tr>`;
       });
+    } else {
+      // 无cron的叶子
+      const groupAttr = groupId ? `data-group="${groupId}"` : '';
+      html += `<tr ${groupAttr}><td style="${indent}"><span class="badge ${cls}"></span><strong>${node.label}</strong></td>`;
+      html += `<td>-</td><td>-</td><td>-</td><td class="pipeline-${cls}">${cls}</td><td>-</td></tr>`;
     }
     
-    if (node.children) node.children.forEach(c => walk(c, depth+1));
+    if (hasKids && pipes.length > 0) {
+      node.children.forEach(c => walk(c, depth+1, groupId));
+    }
   }
-  walk(tree, 0);
-  html += '</tbody></table>';
+  
+  walk(tree, 0, null);
+  html += '</table>';
+  return html;
+}
+
+// 折叠切换：通过data-group控制
+let ftState = {};
+function toggleFt(g) {
+  const ico = document.getElementById(g+'-ico');
+  const isHidden = ftState[g];
+  ftState[g] = !isHidden;
+  ico.textContent = isHidden ? '▼' : '▶';
+  // 隐藏/显示所有带data-group={g}的行
+  document.querySelectorAll(`[data-group="${g}"]`).forEach(el => {
+    el.style.display = isHidden ? '' : 'none';
+  });
+}
+
+function renderDataFlow(entities, jsonFiles) {
+  // 只显示有写入方或读取方的实体
+  const filtered = entities.filter(e => (e.writers||[]).length > 0 || (e.readers||[]).length > 0);
+  // 只显示有读写关系的json
+  const jf = jsonFiles.filter(j => (j.readers||[]).length > 0);
+  
+  let html = '<div style="margin-bottom:10px;color:#8b949e;font-size:13px">';
+  html += `显示 ${filtered.length} 个数据表 + ${jf.length} 个JSON文件的读写流向。绿色→写入，蓝色→读取。</div>`;
+  
+  // 按写入方数量排序，最活跃的排前面
+  filtered.sort((a,b) => (b.writers||[]).length - (a.writers||[]).length);
+  
+  filtered.forEach(e => {
+    const w = e.writers || [];
+    const r = e.readers || [];
+    if (w.length === 0 && r.length === 0) return;
+    
+    html += '<div style="background:#161b22;border:1px solid #30363d;border-radius:6px;padding:10px;margin-bottom:8px">';
+    html += `<div style="font-weight:bold;font-size:14px;color:#58a6ff;margin-bottom:6px">🗄️ ${e.name}</div>`;
+    html += `<div style="font-size:11px;color:#8b949e;margin-bottom:6px">${e.desc||''} · ${e.rows}行</div>`;
+    
+    // 写入方
+    if (w.length > 0) {
+      html += '<div style="margin-bottom:4px">';
+      html += '<span style="color:#3fb950;font-size:11px">✏️ 写入:</span> ';
+      html += w.map(s => `<span class="cron-tag ok" style="font-size:11px">${s}</span>`).join(' ');
+      html += '</div>';
+    }
+    
+    // 读取方
+    if (r.length > 0) {
+      html += '<div>';
+      html += '<span style="color:#58a6ff;font-size:11px">📖 读取:</span> ';
+      html += r.map(s => `<span class="cron-tag" style="border-color:#58a6ff;color:#58a6ff;font-size:11px">${s}</span>`).join(' ');
+      html += '</div>';
+    }
+    
+    html += '</div>';
+  });
+  
+  // JSON文件
+  jf.forEach(j => {
+    const r = j.readers || [];
+    html += '<div style="background:#161b22;border:1px solid #30363d;border-radius:6px;padding:10px;margin-bottom:8px">';
+    html += `<div style="font-weight:bold;font-size:14px;color:#d29922;margin-bottom:6px">📄 ${j.name}</div>`;
+    html += `<div style="font-size:11px;color:#8b949e;margin-bottom:6px">${j.desc||''} · ${j.size_kb}KB</div>`;
+    if (r.length > 0) {
+      html += '<div>';
+      html += '<span style="color:#58a6ff;font-size:11px">📖 读取:</span> ';
+      html += r.map(s => `<span class="cron-tag" style="border-color:#58a6ff;color:#58a6ff;font-size:11px">${s}</span>`).join(' ');
+      html += '</div>';
+    }
+    html += '</div>';
+  });
+  
   return html;
 }
 
@@ -170,6 +261,9 @@ function loadData() {
       });
       h2 += '</tbody></table>';
       document.getElementById('panel2').innerHTML = h2;
+      
+      // Tab 3: 数据流
+      document.getElementById('panel3').innerHTML = renderDataFlow(d.entities, d.json_files||[]);
     })
     .catch(e => document.getElementById('summary').innerHTML = '❌ 加载失败: ' + e.message);
 }