diff --git a/Main_Quality_Relabel_GUI.py b/Main_Quality_Relabel_GUI.py
index 10386d4..6289dfc 100644
--- a/Main_Quality_Relabel_GUI.py
+++ b/Main_Quality_Relabel_GUI.py
@@ -191,7 +191,6 @@ class MainWindow(QMainWindow, Ui_MainWindow):
             self.BCG_Data_Path = self.dir_path / "BCG"
             self.BCG_Label_Path = self.dir_path / "BCG_label"
             self.Artifact_Label_Path = self.dir_path / "Artifact_label"
-            self.Artifact_Offset_Path = self.dir_path / "Artifact_label" / "20220421Artifact_offset_value.xlsx"
             if self.PSG_Data_Path.exists() and self.BCG_Data_Path.exists() and self.BCG_Label_Path.exists() and self.Artifact_Label_Path.exists() and self.Artifact_Label_Path.exists():
                 sampIDs = self.BCG_Data_Path.glob('*.*')
                 sampID_for_comboBox = []
@@ -852,16 +851,14 @@ class MainWindow(QMainWindow, Ui_MainWindow):
         self.textBrowser_update("提示：完成遍历心晓事件")
 
     def read_artifact_label(self):
-        all_offset_length = read_excel(self.Artifact_Offset_Path)
-        offset_length = all_offset_length[all_offset_length['数据编号'] == self.sampNo]['from_code'].values[0]
         artifact_label_path = self.Artifact_Label_Path / f"Artifact_{self.sampNo}.txt"
         artifact_label = read_csv(artifact_label_path, header=None).to_numpy().reshape(-1, 4)
 
         self.artifact_event_label = zeros(len(self.bcg_event_label) + self.extend_second * self.frequency)
 
         for i, artifact_type, SP, EP in artifact_label:
-            SP = (int(SP) + offset_length) // (1000 // self.frequency)
-            EP = (int(EP) + offset_length) // (1000 // self.frequency)
+            SP = int(SP) // (1000 // self.frequency)
+            EP = int(EP) // (1000 // self.frequency)
             artifact_type = int(artifact_type) + 5
 
             SP = 0 if SP < 0 else SP