diff --git a/func/Module_SA_label_v2.py b/func/Module_SA_label_v2.py
index 76964ce..6984b80 100644
--- a/func/Module_SA_label_v2.py
+++ b/func/Module_SA_label_v2.py
@@ -348,6 +348,7 @@ class Data:
             PublicFunc.examine_artifact(self.Artifact)
             self.Artifact = self.Artifact.reshape(-1, 4)
         except Exception as e:
+            traceback.print_exc()
             return Result().failure(info=Constants.INPUT_FAILURE +
                                          Constants.FAILURE_REASON[
                                              "Get_Artifact_Format_Exception"] + "\n" + format_exc())
@@ -449,6 +450,7 @@ class Data:
                     self.event_index_revised[start:end] = one_data["Index"]
 
             except Exception as e:
+                traceback.print_exc()
                 return Result().failure(info=Constants.INPUT_FAILURE + Constants.FAILURE_REASON[
                     "Label_Format_Exception"] + "\n" + format_exc())
 
@@ -470,7 +472,7 @@ class Data:
                                                               'lowpass', low_cut=20, order=3)
             self.lowPassResp = Butterworth_for_ECG_PreProcess(self.OrgBCG,
                                                               orgbcg_freq,
-                                                              'lowpass', low_cut=0.7, order=3)
+                                                              'lowpass', low_cut=0.5, order=3)
 
             self.artifact_label = zeros(len(self.event_label_origin))
 
@@ -486,6 +488,7 @@ class Data:
                 self.artifact_label[start:end] = artifact_type
 
         except Exception as e:
+            traceback.print_exc()
             return Result().failure(info=Constants.PREPROCESS_FAILURE +
                                          Constants.FAILURE_REASON["Preprocess_Exception"] + "\n" + format_exc())
 
@@ -539,6 +542,7 @@ class Data:
             del self.Stage
 
         except Exception as e:
+            traceback.print_exc()
             return Result().failure(info=Constants.RESAMPLE_FAILURE +
                                          Constants.FAILURE_REASON["Resample_Exception"] + "\n" + format_exc())
 
@@ -551,10 +555,13 @@ class Data:
         try:
             self.df_revised.to_csv(self.config["Path"]["SA_Label_Revised"], mode='w', index=None, encoding="gbk")
         except PermissionError as e:
+            traceback.print_exc()
             return Result().failure(info=Constants.SAVE_FAILURE + Constants.FAILURE_REASON["Save_Permission_Denied"])
         except FileNotFoundError as e:
+            traceback.print_exc()
             return Result().failure(info=Constants.SAVE_FAILURE + Constants.FAILURE_REASON["Save_File_Not_Found"])
         except Exception as e:
+            traceback.print_exc()
             return Result().failure(info=Constants.SAVE_FAILURE +
                                          Constants.FAILURE_REASON["Save_Exception"] + "\n" + format_exc())
 
@@ -619,6 +626,7 @@ class DataFrameModel(QAbstractTableModel):
                     return QColor(0, 0, 0)
 
             except Exception as e:
+                traceback.print_exc()
                 return None
 
         return None
@@ -959,6 +967,7 @@ class MainWindow_SA_label(QMainWindow):
             self.set_tableview_column_width_by_ratio(self.ui.tableView_label_revised, [1, 3, 1, 2, 2])
 
         except Exception as e:
+            traceback.print_exc()
             return Result().failure(info=Constants.UPDATE_FAILURE +
                                          Constants.FAILURE_REASON["Update_tableWidget_Exception"] + "\n" + format_exc())
 
@@ -1383,6 +1392,7 @@ class MainWindow_SA_label(QMainWindow):
             self.data.df_revised = self.data.df_revised[~mask].reset_index(drop=True)
             self.data.df_revised.to_csv(self.config["Path"]["SA_Label_Revised"], index=False, encoding="gbk")
         except Exception as e:
+            traceback.print_exc()
             return Result().failure(info=Constants.SAVE_FAILURE +
                                          Constants.FAILURE_REASON["Save_revised_csv_Exception"] + "\n" + format_exc())
         return Result().success(info=Constants.SAVE_FINISHED)
@@ -2022,6 +2032,7 @@ class MainWindow_SA_label(QMainWindow):
             self.ax0.set_xlim(self.check_start_end(self.config["WindowStartSecond"], 0))
             self.canvas.draw()
         except Exception as e:
+            traceback.print_exc()
             return Result().failure(info=Constants.DRAW_FAILURE + "\n" + format_exc())
 
         return Result().success(info=Constants.DRAW_FINISHED)