diff --git a/deploy/profile-scripts/mofin_db.py b/deploy/profile-scripts/mofin_db.py
index b3262770..0350e33b 100644
--- a/deploy/profile-scripts/mofin_db.py
+++ b/deploy/profile-scripts/mofin_db.py
@@ -2131,7 +2131,7 @@ def write_holding_strategy(conn, code: str, name: str, data: dict,
                     data['stop_loss'] = float(_op[2])
                     data['take_profit'] = float(_op[3])
                 print(f"  [AUTHORITY-POS] {code} 保护系统仓位'{_old_pos_val[:30]}'", flush=True)
-            elif _old_ra:
+        elif _old_ra:
                 try:
                     from datetime import datetime as _ddt3, timedelta as _dtd3
                     _ra_dt3 = _ddt3.fromisoformat(str(_old_ra)[:19])
diff --git a/deploy/profile-scripts/mofin_health.py b/deploy/profile-scripts/mofin_health.py
index 6c4fe9cf..1c24e239 100644
--- a/deploy/profile-scripts/mofin_health.py
+++ b/deploy/profile-scripts/mofin_health.py
@@ -940,6 +940,24 @@ def build_report():
             flow_status = "read_only"
         else:
             flow_status = "orphan"
+        wcnt, rcnt = len(writers), len(readers)
+        # 2026-08-19 多写方风险（老莫：数据篡改风险的根源）
+        # 写方>=3 → 高风险（多个模块竞争写同一实体，可能互相覆写/篡改）
+        if wcnt >= 3:
+            risk = "high"
+            risk_note = f"⚠️多写方{wcnt}(竞争写,可能篡改)"
+        elif wcnt == 0:
+            risk = "orphan"
+            risk_note = "无写方(死实体)"
+        elif rcnt == 0:
+            risk = "write_only"
+            risk_note = "写无读(幽灵)"
+        elif wcnt == 2:
+            risk = "watch"
+            risk_note = f"{wcnt}写方(需关注)"
+        else:
+            risk = "ok"
+            risk_note = ""
         entities.append({
             "name": tname,
             "desc": TABLES_DESC.get(tname, ""),
@@ -947,11 +965,16 @@ def build_report():
             "rows": cnt,
             "readers": readers[:10],
             "writers": writers[:10],
+            "writer_count": wcnt,
+            "reader_count": rcnt,
+            "multi_writer": wcnt >= 3,
+            "risk": risk,
+            "risk_note": risk_note,
             "has_input": has_input,
             "has_output": has_output,
             "orphan": flow_status in ("orphan", "read_only", "write_only"),
             "flow_status": flow_status,
-            "warn": flow_status != "healthy",
+            "warn": flow_status != "healthy" or wcnt >= 3,
             "flow_detail": flow_detail,
         })
 
diff --git a/static/mofin_health.html b/static/mofin_health.html
index 4630f6b7..84923ce8 100644
--- a/static/mofin_health.html
+++ b/static/mofin_health.html
@@ -269,6 +269,14 @@ function renderDataFlow(entities, jsonFiles, architecture) {
   }
   
   html += `显示 ${filtered.length} 个数据表 + ${jf.length} 个JSON文件的读写流向。绿色→写入，蓝色→读取。</div>`;
+  // 2026-08-19 多写方风险汇总
+  const risky = filtered.filter(e => (e.risk==='high'||(e.writers||[]).length>=3));
+  if (risky.length > 0) {
+    html += `<div style="background:#3d1c02;border:1px solid #f85149;border-radius:6px;padding:8px;margin:8px 0">`;
+    html += `<div style="font-weight:bold;color:#f85149;font-size:12px;margin-bottom:4px">🚨 篡改风险：${risky.length} 个数据实体有多写方竞争</div>`;
+    html += `<div style="font-size:11px;color:#d29922">多写方=多个模块写同一实体，可能互相覆写/篡改。重点：holding_strategies(策略参数)、candidates(候选池)、todos等。</div>`;
+    html += `</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);
@@ -282,7 +290,18 @@ function renderDataFlow(entities, jsonFiles, architecture) {
     const rDesc = fd.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:#58a6ff;margin-bottom:4px">🗄️ ${e.name}</div>`;
+    // 2026-08-19 多写方风险徽标（老莫：数据篡改风险）
+    const wcnt = e.writer_count || (e.writers||[]).length;
+    const rcnt = e.reader_count || (e.readers||[]).length;
+    let riskBadge = '';
+    if (e.risk === 'high' || wcnt >= 3) {
+      riskBadge = `<span style="background:#3d1c02;color:#f85149;border:1px solid #f85149;border-radius:4px;padding:1px 6px;font-size:10px;margin-left:6px">⚠️多写方${wcnt}·篡改风险</span>`;
+    } else if (wcnt === 0) {
+      riskBadge = `<span style="color:#f85149;border:1px solid #f85149;border-radius:4px;padding:1px 6px;font-size:10px;margin-left:6px">☠️无写方·死实体</span>`;
+    } else if (wcnt === 2) {
+      riskBadge = `<span style="color:#d29922;border:1px solid #d29922;border-radius:4px;padding:1px 6px;font-size:10px;margin-left:6px">${wcnt}写方·关注</span>`;
+    }
+    html += `<div style="font-weight:bold;font-size:14px;color:#58a6ff;margin-bottom:4px">🗄️ ${e.name}${riskBadge} <span style="font-size:10px;color:#8b949e;font-weight:normal">(${wcnt}写/ ${rcnt}读)</span></div>`;
     html += `<div style="font-size:11px;color:#8b949e;margin-bottom:4px">${e.desc||''}</div>`;
     // 综合总结
     if (fd.summary) {