diff --git a/ui/main.py b/ui/main.py
index 9e3fd5e..b4916fb 100644
--- a/ui/main.py
+++ b/ui/main.py
@@ -13,6 +13,10 @@
 #  You should have received a copy of the GNU General Public License
 #  along with this program.  If not, see <https://www.gnu.org/licenses/>.
 
+import os
+from dataclasses import dataclass
+from typing import Callable
+
 from PySide6.QtGui import QIcon, QShowEvent
 from qfluentwidgets import FluentIcon, MSFluentWindow, NavigationItemPosition, MessageBox, setThemeColor
 
@@ -20,40 +24,99 @@ from ui import MAIN_THEME_COLOR, BLUE_BACKGROUND_COLOR
 from ui.pyui.about_ui import AboutWidget
 from ui.pyui.achievement_ui import AchievementWidget
 from ui.pyui.defense_ui import DefenseWidget
-# from ui.pyui.picker_ui import PickerWidget
+from ui.pyui.picker_ui import PickerWidget
 from ui.pyui.test_ui import TestWidget
 from utils.function import RELEASE_ENV
 
 
+@dataclass(frozen=True)
+class InterfaceSpec:
+    key: str
+    factory: Callable[[], object]
+    icon: FluentIcon
+    nav_text: str
+    position: NavigationItemPosition = NavigationItemPosition.TOP
+    enabled: bool = True
+
+
 class MainWindow(MSFluentWindow):
     def __init__(self):
         super().__init__()
 
         setThemeColor(MAIN_THEME_COLOR)
         self.setCustomBackgroundColor(BLUE_BACKGROUND_COLOR, BLUE_BACKGROUND_COLOR)
-
-        self.achievementInterface = AchievementWidget('Achievement Interface', self)
-        self.defenseInterface = DefenseWidget('Defense Interface', self)
-        self.aboutInterface = AboutWidget('About Interface', self)
-        # self.pickerInterface = PickerWidget('Picker Interface', self)
-        if not RELEASE_ENV:
-            self.testInterface = TestWidget('Test Interface', self)
-
-        self.achievementInterface.error.connect(self.showError)
-        self.defenseInterface.errorSignal.connect(self.showError)
-        # self.pickerInterface.errorSignal.connect(self.showError)
+        self.interface_specs = self.build_interface_specs()
+        self.interfaces = self.create_interfaces(self.interface_specs)
+        self.bind_error_handlers()
 
         self.initNavigation()
         self.initWindow()
 
-    def initNavigation(self):
-        self.addSubInterface(self.achievementInterface, FluentIcon.SPEED_HIGH, '达成度')
-        self.addSubInterface(self.defenseInterface, FluentIcon.FEEDBACK, '答辩')
-        # self.addSubInterface(self.pickerInterface, FluentIcon.PEOPLE, '提问')
-        if not RELEASE_ENV:
-            self.addSubInterface(self.testInterface, FluentIcon.VIEW, '测试')
+    def build_interface_specs(self) -> list[InterfaceSpec]:
+        return [
+            InterfaceSpec(
+                key="achievement",
+                factory=lambda: AchievementWidget('Achievement Interface', self),
+                icon=FluentIcon.SPEED_HIGH,
+                nav_text='达成度',
+                enabled=True,
+            ),
+            InterfaceSpec(
+                key="defense",
+                factory=lambda: DefenseWidget('Defense Interface', self),
+                icon=FluentIcon.FEEDBACK,
+                nav_text='答辩',
+                enabled=True,
+            ),
+            InterfaceSpec(
+                key="picker",
+                factory=lambda: PickerWidget('Picker Interface', self),
+                icon=FluentIcon.PEOPLE,
+                nav_text='提问',
+                enabled=not RELEASE_ENV,
+            ),
+            InterfaceSpec(
+                key="test",
+                factory=lambda: TestWidget('Test Interface', self),
+                icon=FluentIcon.VIEW,
+                nav_text='测试',
+                enabled=not RELEASE_ENV,
+            ),
+            InterfaceSpec(
+                key="about",
+                factory=lambda: AboutWidget('About Interface', self),
+                icon=FluentIcon.INFO,
+                nav_text='关于',
+                position=NavigationItemPosition.BOTTOM,
+                enabled=True
+            ),
+        ]
 
-        self.addSubInterface(self.aboutInterface, FluentIcon.INFO, '关于', position=NavigationItemPosition.BOTTOM)
+    def create_interfaces(self, specs: list[InterfaceSpec]) -> dict[str, object]:
+        interfaces: dict[str, object] = {}
+        for spec in specs:
+            if not spec.enabled:
+                continue
+            widget = spec.factory()
+            interfaces[spec.key] = widget
+            setattr(self, f"{spec.key}Interface", widget)
+        return interfaces
+
+    def bind_error_handlers(self):
+        achievement = self.interfaces.get("achievement")
+        defense = self.interfaces.get("defense")
+
+        if achievement and hasattr(achievement, "error"):
+            achievement.error.connect(self.showError)
+        if defense and hasattr(defense, "errorSignal"):
+            defense.errorSignal.connect(self.showError)
+
+    def initNavigation(self):
+        for spec in self.interface_specs:
+            widget = self.interfaces.get(spec.key)
+            if not widget:
+                continue
+            self.addSubInterface(widget, spec.icon, spec.nav_text, position=spec.position)
 
     def initWindow(self):
         self.resize(900, 700)