diff --git a/manual_trading_hub/hub.py b/manual_trading_hub/hub.py
index f260f01..42cd70f 100644
--- a/manual_trading_hub/hub.py
+++ b/manual_trading_hub/hub.py
@@ -408,6 +408,48 @@ async def api_close_all(body: CloseAllBody | None = Body(default=None)):
     return {"results": list(results)}
 
 
+def _trade_removed_response():
+    """旧版前端或缓存页面仍会请求 /api/trade/*，勿解析表单，直接返回说明。"""
+    return JSONResponse(
+        {
+            "ok": False,
+            "result": {
+                "ok": False,
+                "messages": [
+                    "中控已移除下单区。请在监控卡片点击「实例」，"
+                    "进入对应 crypto_monitor_* 网页添加关键位或下单。"
+                ],
+            },
+            "deprecated": True,
+        },
+        status_code=410,
+    )
+
+
+@app.get("/api/ping")
+def api_ping():
+    return {
+        "ok": True,
+        "service": "manual-trading-hub",
+        "trade_ui": False,
+        "features": ["monitor", "settings", "auth"],
+    }
+
+
+@app.post("/api/trade/order/{exchange_id}")
+@app.post("/api/trade/key/{exchange_id}")
+@app.post("/api/trade/trend/preview/{exchange_id}")
+@app.post("/api/trade/trend/execute/{exchange_id}")
+async def api_trade_removed(exchange_id: str):
+    return _trade_removed_response()
+
+
+@app.get("/api/trade/meta/{exchange_id}")
+@app.get("/api/trade/trend/preview/{exchange_id}/{preview_id}")
+async def api_trade_removed_get(exchange_id: str, preview_id: str = ""):
+    return _trade_removed_response()
+
+
 def main():
     import uvicorn
 
diff --git a/manual_trading_hub/scripts/fix_hub_deps.sh b/manual_trading_hub/scripts/fix_hub_deps.sh
new file mode 100644
index 0000000..bbc5e4c
--- /dev/null
+++ b/manual_trading_hub/scripts/fix_hub_deps.sh
@@ -0,0 +1,14 @@
+#!/usr/bin/env bash
+# 修复中控缺 python-multipart 等问题
+set -euo pipefail
+ROOT="$(cd "$(dirname "$0")/.." && pwd)"
+cd "$ROOT"
+if [[ ! -d .venv ]]; then
+  python3 -m venv .venv
+fi
+# shellcheck source=/dev/null
+source .venv/bin/activate
+pip install -U pip
+pip install -r requirements.txt
+echo "OK: $(python -c 'import multipart; print("python-multipart", multipart.__version__)' 2>/dev/null || pip show python-multipart | head -1)"
+echo "Hub ping (需 hub 已启动): curl -s http://127.0.0.1:5100/api/ping"