优化了部分代码结构；

修改了复选框的样式

func/Module_mainwindow.py

@@ -365,6 +365,21 @@ class MainWindow(QMainWindow, Ui_Signal_Label):
                 path.mkdir(parents=True, exist_ok=True)
 
     def set_dark_mode_status(self):
+        module_list = [
+            self,
+            self.approximately_align,
+            self.preprocess,
+            self.detect_Jpeak,
+            self.detect_Rpeak,
+            self.label_check,
+            self.precisely_align,
+            self.cut_PSG,
+            self.artifact_label,
+            self.bcg_quality_label,
+            self.resp_quality_label,
+            self.SA_label
+        ]
+
         try:
             if self.ui.checkBox_darkmode.isChecked():
                 QApplication.styleHints().setColorScheme(Qt.ColorScheme.Dark)
@@ -374,65 +389,12 @@ class MainWindow(QMainWindow, Ui_Signal_Label):
             PublicFunc.msgbox_output(self, Constants.MAINWINDOW_DARKMODE_FAILURE + "。" + format_exc(), Constants.MSGBOX_TYPE_ERROR)
             return
 
-        try:
-            MainWindow.update_widget_style(self)
-        except RuntimeError:
-            pass
-        try:
-            if self.approximately_align is not None:
-                MainWindow.update_widget_style(self.approximately_align)
-        except RuntimeError:
-            pass
-        try:
-            if self.preprocess is not None:
-                MainWindow.update_widget_style(self.preprocess)
-        except RuntimeError:
-            pass
-        try:
-            if self.detect_Jpeak is not None:
-                MainWindow.update_widget_style(self.detect_Jpeak)
-        except RuntimeError:
-            pass
-        try:
-            if self.detect_Rpeak is not None:
-                MainWindow.update_widget_style(self.detect_Rpeak)
-        except RuntimeError:
-            pass
-        try:
-            if self.label_check is not None:
-                MainWindow.update_widget_style(self.label_check)
-        except RuntimeError:
-            pass
-        try:
-            if self.precisely_align is not None:
-                MainWindow.update_widget_style(self.precisely_align)
-        except RuntimeError:
-            pass
-        try:
-            if self.cut_PSG is not None:
-                MainWindow.update_widget_style(self.cut_PSG)
-        except RuntimeError:
-            pass
-        try:
-            if self.artifact_label is not None:
-                MainWindow.update_widget_style(self.artifact_label)
-        except RuntimeError:
-            pass
-        try:
-            if self.bcg_quality_label is not None:
-                MainWindow.update_widget_style(self.bcg_quality_label)
-        except RuntimeError:
-            pass
-        try:
-            if self.resp_quality_label is not None:
-                MainWindow.update_widget_style(self.resp_quality_label)
-        except RuntimeError:
-            pass
-        try:
-            if self.SA_label is not None:
-                MainWindow.update_widget_style(self.SA_label)
-        except RuntimeError:
-            pass
+        for module in module_list:
+            try:
+                if module is not None:
+                    MainWindow.update_widget_style(module)
+            except RuntimeError:
+                pass
 
     @staticmethod
     def update_widget_style(mainWindow):