diff --git a/ecg_label_check.py b/ecg_label_check.py
index 8af8395..21944ec 100644
--- a/ecg_label_check.py
+++ b/ecg_label_check.py
@@ -100,6 +100,10 @@ class MainWindow(QMainWindow, Ui_MainWindow):
         self.tableWidget_label2.setHorizontalHeaderLabels(['label2'])
         self.tableWidget_label1.setEditTriggers(QTableWidget.NoEditTriggers)
         self.tableWidget_label2.setEditTriggers(QTableWidget.NoEditTriggers)
+        self.tableWidget_label1.horizontalHeader().setStretchLastSection(True)
+        self.tableWidget_label1.horizontalHeader().setSectionResizeMode(1)
+        self.tableWidget_label2.horizontalHeader().setStretchLastSection(True)
+        self.tableWidget_label2.horizontalHeader().setSectionResizeMode(1)
 
         # 槽函数连接控件初始化
         self.pushButton_savepath_open.clicked.connect(self.slot_btn_selectPath)