重构数据切割和标签映射模块，新增OrgBCG和ECG通道支持，优化文件路径和异常处理逻辑，调整UI组件名称和布局

func/Module_mainwindow.py

@@ -16,7 +16,7 @@ from func.Module_detect_Jpeak import MainWindow_detect_Jpeak
 from func.Module_detect_Rpeak import MainWindow_detect_Rpeak
 from func.Module_label_check import MainWindow_label_check
 from func.Module_precisely_align import MainWindow_precisely_align
-from func.Module_cut_PSG import MainWindow_cut_PSG
+from func.Module_cut_pair_file import MainWindow_cut_PAIR_FILE
 from func.Module_artifact_label import MainWindow_artifact_label
 from func.Module_bcg_quality_label import MainWindow_bcg_quality_label
 from func.Module_resp_quality_label import MainWindow_resp_quality_label
@@ -266,7 +266,7 @@ class MainWindow(QMainWindow, Ui_Signal_Label):
         self.check_save_path_and_mkdir(root_path, sampID)
 
     def __slot_btn_cut_PSG__(self):
-        self.cut_PSG = MainWindow_cut_PSG()
+        self.cut_PSG = MainWindow_cut_PAIR_FILE()
         root_path = self.ui.plainTextEdit_root_path.toPlainText()
         sampID = self.ui.comboBox_sampID.currentText()
         if not self.check_root_path():