diff --git a/backend/api/routes/system.py b/backend/api/routes/system.py
index 48ff2e5..1bc4c37 100644
--- a/backend/api/routes/system.py
+++ b/backend/api/routes/system.py
@@ -1151,3 +1151,37 @@ async def backend_restart(_admin: Dict[str, Any] = Depends(require_system_admin)
         "note": "重启期间接口可能短暂不可用，页面可等待 3-5 秒后刷新状态。",
     }
 
+
+@router.post("/backend/stop")
+async def backend_stop(_admin: Dict[str, Any] = Depends(require_system_admin)) -> Dict[str, Any]:
+    """
+    停止后端服务（uvicorn）。
+    警告：停止后 API 将不可用，必须手动登录服务器启动！
+    """
+    backend_dir = Path(__file__).parent.parent.parent  # backend/
+    stop_script = backend_dir / "stop.sh"
+    if not stop_script.exists():
+        raise HTTPException(status_code=500, detail=f"找不到停止脚本: {stop_script}")
+
+    cur_pid = os.getpid()
+    
+    # 后台执行：sleep 1 后再停止，保证当前请求可以返回
+    cmd = ["bash", "-lc", f"sleep 1; '{stop_script}'"]
+    try:
+        subprocess.Popen(
+            cmd,
+            cwd=str(backend_dir),
+            stdout=subprocess.DEVNULL,
+            stderr=subprocess.DEVNULL,
+            start_new_session=True,
+        )
+    except Exception as e:
+        raise HTTPException(status_code=500, detail=f"启动停止脚本失败: {e}")
+
+    return {
+        "message": "已发起后端停止（1s 后执行）",
+        "pid_before": cur_pid,
+        "script": str(stop_script),
+        "warning": "后端服务停止后，Web 界面将无法访问，请手动在服务器启动！",
+    }
+
diff --git a/frontend/src/components/GlobalConfig.jsx b/frontend/src/components/GlobalConfig.jsx
index 7ad4d22..3b81e3b 100644
--- a/frontend/src/components/GlobalConfig.jsx
+++ b/frontend/src/components/GlobalConfig.jsx
@@ -610,43 +610,16 @@ const GlobalConfig = () => {
     }
   }
 
-  const handleStartTrading = async () => {
+  const handleStopBackend = async () => {
+    if (!window.confirm('警告：确定要停止后端服务吗？\n\n停止后 Web 界面将立即无法访问！\n必须手动登录服务器执行 ./start.sh 才能恢复。')) return
     setSystemBusy(true)
     setMessage('')
     try {
-      const res = await api.startTradingSystem()
-      setMessage(res.message || '交易系统已启动')
-      await loadSystemStatus()
+      const res = await api.stopBackend()
+      setMessage(res.message || '后端服务已停止')
+      alert('后端服务已停止，页面将不再响应。请手动去服务器启动。')
     } catch (error) {
-      setMessage('启动失败: ' + (error.message || '未知错误'))
-    } finally {
-      setSystemBusy(false)
-    }
-  }
-
-  const handleStopTrading = async () => {
-    setSystemBusy(true)
-    setMessage('')
-    try {
-      const res = await api.stopTradingSystem()
-      setMessage(res.message || '交易系统已停止')
-      await loadSystemStatus()
-    } catch (error) {
-      setMessage('停止失败: ' + (error.message || '未知错误'))
-    } finally {
-      setSystemBusy(false)
-    }
-  }
-
-  const handleRestartTrading = async () => {
-    setSystemBusy(true)
-    setMessage('')
-    try {
-      const res = await api.restartTradingSystem()
-      setMessage(res.message || '交易系统已重启')
-      await loadSystemStatus()
-    } catch (error) {
-      setMessage('重启失败: ' + (error.message || '未知错误'))
+      setMessage('停止后端失败: ' + (error.message || '未知错误'))
     } finally {
       setSystemBusy(false)
     }
@@ -1203,6 +1176,15 @@ const GlobalConfig = () => {
               >
                 重启后端服务
               </button>
+              <button
+                type="button"
+                className="system-btn danger"
+                onClick={handleStopBackend}
+                disabled={systemBusy}
+                title="停止后端服务（需要手动去服务器启动）"
+              >
+                停止后端服务
+              </button>
               <button
                 type="button"
                 className="system-btn"
@@ -1218,24 +1200,6 @@ const GlobalConfig = () => {
           <div className="system-control-group" style={{ marginTop: '15px' }}>
             <h4 className="control-group-title" style={{ margin: '10px 0 8px', fontSize: '14px', color: '#666' }}>交易服务管理</h4>
             <div className="system-actions">
-              <button
-                type="button"
-                className="system-btn"
-                onClick={handleStartTrading}
-                disabled={systemBusy || systemStatus?.running === true}
-                title="通过 supervisorctl 启动交易系统"
-              >
-                启动
-              </button>
-              <button
-                type="button"
-                className="system-btn"
-                onClick={handleStopTrading}
-                disabled={systemBusy || systemStatus?.running === false}
-                title="通过 supervisorctl 停止交易系统"
-              >
-                停止
-              </button>
               <button
                 type="button"
                 className="system-btn primary"
diff --git a/frontend/src/services/api.js b/frontend/src/services/api.js
index 8114494..a6a6bf1 100644
--- a/frontend/src/services/api.js
+++ b/frontend/src/services/api.js
@@ -671,6 +671,18 @@ export const api = {
     return response.json();
   },
 
+  stopBackend: async () => {
+    const response = await fetch(buildUrl('/api/system/backend/stop'), {
+      method: 'POST',
+      headers: withAccountHeaders({ 'Content-Type': 'application/json' }),
+    });
+    if (!response.ok) {
+      const error = await response.json().catch(() => ({ detail: '停止后端失败' }));
+      throw new Error(error.detail || '停止后端失败');
+    }
+    return response.json();
+  },
+
   // 日志监控（Redis List）
   getSystemLogs: async (params = {}) => {
     const query = new URLSearchParams(params).toString();