fix: CTP报单校验连接与tick价，市价改限价，郑商所平今平昨

Co-authored-by: Cursor <cursoragent@cursor.com>

install_trading.py

@@ -53,6 +53,7 @@ from vnpy_bridge import (
     ctp_list_positions,
     ctp_status,
     execute_order,
+    get_bridge,
 )
 
 
@@ -527,6 +528,12 @@ def install_trading(app, *, login_required, require_nav, get_db, get_setting, se
                 conn.close()
                 return jsonify({"ok": False, "error": err}), 403
         mode = get_trading_mode(get_setting)
+        ctp_st = ctp_status(mode)
+        if not ctp_st.get("connected"):
+            conn.close()
+            if get_bridge().connect_in_progress():
+                return jsonify({"ok": False, "error": "CTP 连接中，请稍候再下单"}), 400
+            return jsonify({"ok": False, "error": "请先连接 CTP"}), 400
         sizing = get_sizing_mode(get_setting)
         if offset.startswith("open") and sizing == MODE_RISK:
             sl = float(d.get("stop_loss") or 0)
@@ -575,8 +582,8 @@ def install_trading(app, *, login_required, require_nav, get_db, get_setting, se
             conn.commit()
             send_wechat_msg(f"{trading_mode_label(get_setting)} {offset} {sym} {direction} {lots}手 @{price}")
             conn.close()
-            return jsonify({"ok": True, "result": result, "lots": lots})
-        except ValueError as exc:
+            return jsonify({"ok": True, "result": result, "lots": lots, "message": "委托已提交柜台，限价单需成交后才会显示持仓"})
+        except (ValueError, RuntimeError) as exc:
             conn.close()
             return jsonify({"ok": False, "error": str(exc)}), 400
         except Exception as exc: