fix bug

management.py

@@ -249,6 +249,7 @@ class ProjectContext:
     def history_pop(self)-> OperateRecord:
         if len(self.history_records) == 0:
             return None
+        print(f"[history_pop] {self.history_records},  {self.records_pos}")
         self.records_pos -= 1
         return self.history_records[self.records_pos]
 

operation_dialog.py

@@ -113,7 +113,8 @@ class Operation_Dialog(QDialog, Ui_Dialog):
         # 这些是只有【modify】才需要检测的
         if self.comboBox_2.currentText() == "修改一行":
             try:
-                suggest = self.mainWindow.projectContext.all_elements[row_number].suggest
+                suggest = self.mainWindow.projectContext.all_elements[row_number-1].suggest
+                print("suggest:", suggest)
                 # 如果当前行是旁白
                 if suggest is not None and "插入旁白" in suggest:
                     assert self.comboBox.currentText() == "旁白"