diff --git a/Config/FeedLine.ini b/Config/FeedLine.ini
index ba2ae06..5ab633b 100644
--- a/Config/FeedLine.ini
+++ b/Config/FeedLine.ini
@@ -20,8 +20,8 @@ id = 2
 name = 未定义
 
 [Position3]
-x = 0.0
-y = 0.0
+x = 1.0
+y = 2.0
 z = 0.0
 u = 0.0
 v = 0.0
diff --git a/main.py b/main.py
index c526d7e..d491af7 100644
--- a/main.py
+++ b/main.py
@@ -247,6 +247,7 @@ class MainWindow(QMainWindow, Ui_MainWindow):
         # self.tableWidget_lines.setItem(0, 0, QTableWidgetItem("线1"))
         # self.tableWidget_lines.setItem(1, 0, QTableWidgetItem("线2"))
         # self.tableWidget_lines.setItem()
+        self.tableWidget_lines.blockSignals(True)
         self.selected_line_section = ''
         self.table_line_changed = False
         self.table_position_changed = False
@@ -263,7 +264,7 @@ class MainWindow(QMainWindow, Ui_MainWindow):
 
             self.selected_line_section = ''
         self.tableWidget_line_positions.setRowCount(0)
-
+        self.tableWidget_lines.blockSignals(False)
     def show_lines_context_menu(self):
         menu = QMenu(self)
         action_add = menu.addAction("添加投料线")
@@ -311,6 +312,8 @@ class MainWindow(QMainWindow, Ui_MainWindow):
                 else:
                     # 重新初始化·
                     self.init_table_lines_data()
+                    self.table_line_changed = False
+                    self.table_position_changed = False
         line_name = self.tableWidget_lines.item(line_index,0).text()
         line_model = self.feedLine_dict.get(line_name)
         self.init_table_positions_data(line_model.positions)
@@ -339,10 +342,12 @@ class MainWindow(QMainWindow, Ui_MainWindow):
         self.tableWidget_line_positions.customContextMenuRequested.connect(self.show_positions_context_menu)
         self.tableWidget_line_positions.cellChanged.connect(self.send_table_line_position_cell_changed)
     def init_table_positions_data(self,position_list):
+        self.tableWidget_line_positions.blockSignals(True)
         self.tableWidget_line_positions.setRowCount(0)
         for index,position_model in enumerate(position_list):
             self.tableWidget_line_positions.insertRow(self.tableWidget_line_positions.rowCount())
             self.set_positionModel_to_tabel(index,position_model)
+        self.tableWidget_line_positions.blockSignals(False)
 
     def show_positions_context_menu(self):
         menu = QMenu(self)