diff --git a/.env.example b/.env.example
index f477036..5867239 100644
--- a/.env.example
+++ b/.env.example
@@ -59,3 +59,5 @@ OPTION_QTY_ETH=2
 # 企业微信群机器人（系统设置页可改）
 WECOM_ENABLED=0
 WECOM_WEBHOOK_URL=
+# 推送标题前缀，多机时区分，如 云A / 云B
+WECOM_MACHINE_NAME=
diff --git a/backend/app/api/settings.py b/backend/app/api/settings.py
index ba1603d..312e80b 100644
--- a/backend/app/api/settings.py
+++ b/backend/app/api/settings.py
@@ -558,19 +558,20 @@ async def put_runtime_settings(
 class NotifySettingsBody(BaseModel):
     enabled: bool | None = None
     webhook_url: str | None = None
+    machine_name: str | None = Field(default=None, max_length=64)
 
 
 def _notify_payload() -> dict:
     from ..notify import wecom
     from ..env_store import mask_secret
 
-    s = get_settings()
     url = wecom.wecom_webhook_url()
     return {
         "enabled": wecom.wecom_enabled(),
         "webhook_configured": bool(url),
         "webhook_url_masked": mask_secret(url) if url else None,
         "venue_label": wecom.venue_label(),
+        "machine_name": wecom.wecom_machine_name() or "",
     }
 
 
@@ -591,8 +592,13 @@ async def put_notify_settings(
     if body.webhook_url is not None and body.webhook_url.strip():
         updates["WECOM_WEBHOOK_URL"] = body.webhook_url.strip()
         get_db().set_setting("wecom_webhook_url", body.webhook_url.strip())
+    if body.machine_name is not None:
+        name = body.machine_name.strip()[:64]
+        updates["WECOM_MACHINE_NAME"] = name
+        get_db().set_setting("wecom_machine_name", name)
     if updates:
         upsert_env_keys(updates)
+        get_settings.cache_clear()
     return _notify_payload()
 
 
diff --git a/backend/app/config.py b/backend/app/config.py
index 9be1440..04089e6 100644
--- a/backend/app/config.py
+++ b/backend/app/config.py
@@ -85,6 +85,7 @@ class Settings(BaseSettings):
     # 企业微信群机器人
     wecom_enabled: bool = False
     wecom_webhook_url: str = ""
+    wecom_machine_name: str = ""
 
     @property
     def is_sim(self) -> bool:
diff --git a/backend/app/notify/wecom.py b/backend/app/notify/wecom.py
index daf6c8c..bb515b5 100644
--- a/backend/app/notify/wecom.py
+++ b/backend/app/notify/wecom.py
@@ -55,6 +55,18 @@ def wecom_webhook_url() -> str:
         return ""
 
 
+def wecom_machine_name() -> str:
+    """多机推送区分用的机器名（设置页 / WECOM_MACHINE_NAME）。"""
+    s = get_settings()
+    name = (getattr(s, "wecom_machine_name", None) or "").strip()
+    if name:
+        return name[:64]
+    try:
+        return (get_db().get_setting("wecom_machine_name", "") or "").strip()[:64]
+    except Exception:
+        return ""
+
+
 def venue_label() -> str | None:
     """实盘时返回「实盘·交易所」；SIM 不展示盘口标签。"""
     s = get_settings()
@@ -74,13 +86,21 @@ def venue_label() -> str | None:
 
 def build_markdown(*, tag: str, title: str, lines: list[str] | None = None) -> str:
     body = "\n".join(f"> {ln}" if not ln.startswith(">") else ln for ln in (lines or []))
+    machine = wecom_machine_name()
     venue = venue_label()
-    head = f"## 【{venue}】{title}" if venue else f"## {title}"
+    prefix_parts: list[str] = []
+    if machine:
+        prefix_parts.append(f"【{machine}】")
+    if venue:
+        prefix_parts.append(f"【{venue}】")
+    head = f"## {''.join(prefix_parts)}{title}"
     parts = [
         head,
         f"> **标识**: `{tag}`",
         f"> **时间**: {time.strftime('%Y-%m-%d %H:%M:%S')}",
     ]
+    if machine:
+        parts.append(f"> **机器**: {machine}")
     if body:
         parts.append("")
         parts.append(body)
@@ -216,7 +236,10 @@ def notify_fault(*, title: str, detail: str, dedupe_key: str | None = None) -> N
 
 def notify_test() -> tuple[bool, str]:
     venue = venue_label()
+    machine = wecom_machine_name()
     lines = ["企业微信通知已连通。"]
+    if machine:
+        lines.append(f"机器名称: **{machine}**")
     if venue:
         lines.append(f"当前盘口标签: **{venue}**")
     content = build_markdown(
diff --git a/frontend/src/api/client.ts b/frontend/src/api/client.ts
index a2b8383..9a21eb8 100644
--- a/frontend/src/api/client.ts
+++ b/frontend/src/api/client.ts
@@ -359,6 +359,7 @@ export type NotifySettings = {
   webhook_configured: boolean;
   webhook_url_masked: string | null;
   venue_label: string;
+  machine_name?: string;
 };
 
 export async function downloadBackup(name: string): Promise<void> {
diff --git a/frontend/src/pages/Settings.tsx b/frontend/src/pages/Settings.tsx
index cde2def..14b82e9 100644
--- a/frontend/src/pages/Settings.tsx
+++ b/frontend/src/pages/Settings.tsx
@@ -117,6 +117,7 @@ export default function SettingsPage() {
   const [runtimeOk, setRuntimeOk] = useState("");
   const [wecomEnabled, setWecomEnabled] = useState(false);
   const [wecomWebhook, setWecomWebhook] = useState("");
+  const [wecomMachineName, setWecomMachineName] = useState("");
   const [wecomMeta, setWecomMeta] = useState<NotifySettings | null>(null);
   const [wecomOk, setWecomOk] = useState("");
 
@@ -153,6 +154,7 @@ export default function SettingsPage() {
       .then((n) => {
         setWecomMeta(n);
         setWecomEnabled(n.enabled === true);
+        setWecomMachineName(n.machine_name || "");
       })
       .catch(() => undefined);
   }
@@ -452,7 +454,10 @@ export default function SettingsPage() {
     setErr("");
     setWecomOk("");
     try {
-      const body: Record<string, unknown> = { enabled: wecomEnabled };
+      const body: Record<string, unknown> = {
+        enabled: wecomEnabled,
+        machine_name: wecomMachineName.trim(),
+      };
       if (wecomWebhook.trim()) body.webhook_url = wecomWebhook.trim();
       const n = await apiFetch<NotifySettings>("/api/settings/notify", {
         method: "PUT",
@@ -460,6 +465,7 @@ export default function SettingsPage() {
       });
       setWecomMeta(n);
       setWecomEnabled(n.enabled === true);
+      setWecomMachineName(n.machine_name || "");
       setWecomWebhook("");
       setWecomOk(
         n.enabled
@@ -483,6 +489,7 @@ export default function SettingsPage() {
       );
       setWecomMeta(n);
       setWecomOk(n.detail || "测试消息已发送，请查看企业微信群");
+      if (n.machine_name != null) setWecomMachineName(n.machine_name || "");
     } catch (ex) {
       setErr(ex instanceof Error ? ex.message : String(ex));
     }
@@ -1379,6 +1386,18 @@ export default function SettingsPage() {
             <section className="settings-section">
               <h3>企业微信通知</h3>
               <div className="settings-fields">
+                <div className="field">
+                  <label htmlFor="wecomMachine">机器名称</label>
+                  <input
+                    id="wecomMachine"
+                    className="mono"
+                    autoComplete="off"
+                    maxLength={64}
+                    placeholder="例如 云A / 云B（推送标题前缀）"
+                    value={wecomMachineName}
+                    onChange={(e) => setWecomMachineName(e.target.value)}
+                  />
+                </div>
                 <div className="field">
                   <label htmlFor="wecomEn">启用通知</label>
                   <select
@@ -1450,14 +1469,19 @@ export default function SettingsPage() {
                 </li>
                 <li>
                   企业微信：群机器人 Webhook，推送 Markdown，带标识（OPEN/CLOSE/START/PAUSE/FAULT）。
-                  当前标签：
+                  可填「机器名称」区分多机，标题形如【云A】。【实盘·OKX】仅 LIVE 显示。
+                  当前机器：
+                  <span className="mono">
+                    {wecomMachineName || wecomMeta?.machine_name || "未命名"}
+                  </span>
+                  ；盘口标签：
                   <span className="mono">
                     {wecomMeta?.venue_label ||
                       (runtime?.mode === "LIVE"
                         ? `实盘·${(runtime.exchange || "okx").toUpperCase()}`
                         : "模拟盘")}
                   </span>
-                  。开仓/平仓/启动/暂停/故障均推送；模拟盘标题为「模拟盘」，实盘为「实盘·交易所」。
+                  。开仓/平仓/启动/暂停/故障均推送。
                 </li>
                 <li>
                   企业微信：在群里添加「自定义机器人」复制 Webhook。留空保存不覆盖已有