fix: 修复打包后exe程序在无控制台模式下运行时的uvicorn日志配置错误

通过检测sys.frozen判断运行环境，只在打包后的exe程序中禁用日志配置，
避免AttributeError: 'NoneType' object has no attribute 'isatty'错误。
普通Python运行环境保留完整日志功能，方便调试。

gui.py

@@ -38,6 +38,8 @@ state = {
     "results": [],
     "substation": None,
     "turbines": None,
+    "cable_specs": None,
+    "system_params": None,
     "temp_dir": os.path.join(tempfile.gettempdir(), "windfarm_gui_uploads"),
 }
 
@@ -70,8 +72,74 @@ def index():
         "upload_widget": None,
         "run_btn": None,
         "current_file_label": None,
+        "info_container": None, # 新增信息展示容器
     }
 
+    def update_info_panel():
+        if refs["info_container"]:
+            refs["info_container"].clear()
+            with refs["info_container"]:
+                # System Params - Always show
+                with ui.row().classes("w-full items-center gap-4 mb-2"):
+                    ui.icon('settings', color='primary').classes('text-2xl')
+                    ui.label("系统参数").classes("text-lg font-bold")
+                    
+                    params_text = []
+                    
+                    # 获取电压
+                    v = 66000 # Default
+                    is_default_v = True
+                    if state.get("system_params") and 'voltage' in state['system_params']:
+                        v = state['system_params']['voltage']
+                        is_default_v = False
+                    
+                    v_str = f"电压: {v/1000:.1f} kV" if v >= 1000 else f"电压: {v} V"
+                    if is_default_v:
+                        v_str += " (默认)"
+                    params_text.append(v_str)
+
+                    # 获取功率因数
+                    pf = 0.95 # Default
+                    is_default_pf = True
+                    if state.get("system_params") and 'power_factor' in state['system_params']:
+                        pf = state['system_params']['power_factor']
+                        is_default_pf = False
+                        
+                    pf_str = f"功率因数: {pf}"
+                    if is_default_pf:
+                        pf_str += " (默认)"
+                    params_text.append(pf_str)
+                        
+                    for p in params_text:
+                        ui.chip(p, icon='bolt').props('outline color=primary')
+
+                ui.separator().classes('my-2')
+
+                # Cables
+                if state.get("cable_specs"):
+                    with ui.row().classes("w-full items-center gap-2 mb-2"):
+                        ui.icon('cable', color='secondary').classes('text-2xl')
+                        ui.label("电缆规格参数").classes("text-lg font-bold")
+
+                    columns = [
+                        {'name': 'section', 'label': '截面 (mm²)', 'field': 'section', 'align': 'center'},
+                        {'name': 'capacity', 'label': '载流量 (A)', 'field': 'capacity', 'align': 'center'},
+                        {'name': 'resistance', 'label': '电阻 (Ω/km)', 'field': 'resistance', 'align': 'center'},
+                        {'name': 'cost', 'label': '参考单价 (元/m)', 'field': 'cost', 'align': 'center'},
+                    ]
+                    rows = []
+                    for spec in state["cable_specs"]:
+                        # spec is (section, capacity, resistance, cost, is_optional)
+                        rows.append({
+                            'section': spec[0],
+                            'capacity': spec[1],
+                            'resistance': spec[2],
+                            'cost': spec[3]
+                        })
+                    ui.table(columns=columns, rows=rows).classes('w-full').props('dense flat bordered')
+                else:
+                    ui.label("未检测到电缆数据，将使用默认参数。").classes("text-gray-500 italic")
+
     async def handle_upload(e: events.UploadEventArguments):
         try:
             filename = None
@@ -125,7 +193,16 @@ def index():
                 refs["current_file_label"].text = f"当前文件: {filename}"
 
             # 加载数据
-            state["turbines"], state["substation"], _ = load_data_from_excel(path)
+            try:
+                # 尝试解包 4 个返回值 (新版 main.py)
+                state["turbines"], state["substation"], state["cable_specs"], state["system_params"] = load_data_from_excel(path)
+            except ValueError:
+                # 兼容旧版 (如果是 3 个返回值)
+                state["turbines"], state["substation"], state["cable_specs"] = load_data_from_excel(path)
+                state["system_params"] = {}
+            
+            update_info_panel()
+
         except Exception as ex:
             ui.notify(f"上传处理失败: {ex}", type="negative")
 
@@ -546,6 +623,11 @@ def index():
             )
 
         with ui.column().classes("w-3/4 gap-4"):
+            # 新增：信息展示卡片
+            with ui.card().classes("w-full p-4 shadow-md").style("max-height: 400px; overflow-y: auto;"):
+                 refs["info_container"] = ui.column().classes("w-full")
+                 ui.label("请上传 Excel 文件以查看系统参数和电缆规格...").classes("text-gray-500 italic")
+
             with ui.card().classes("w-full p-4 shadow-md"):
                 ui.label("方案对比结果 (点击行查看拓扑详情)").classes(
                     "text-xl font-semibold mb-2"
@@ -610,4 +692,14 @@ def find_available_port(start_port=8080, max_attempts=10):
 
 # 自动寻找可用端口，避免端口冲突
 target_port = find_available_port(8080)
-ui.run(title="海上风电场集电线路优化", port=target_port)
+
+# 检测是否为打包后的exe程序
+import sys
+if getattr(sys, 'frozen', False):
+    # 打包环境下禁用日志配置，避免在无控制台模式下出现错误
+    import logging
+    logging.disable(logging.CRITICAL)
+    ui.run(title="海上风电场集电线路优化", port=target_port, log_level=None)
+else:
+    # 普通使用环境保留日志功能
+    ui.run(title="海上风电场集电线路优化", port=target_port)