diff --git a/src/editor/deletetextundocommand.cpp b/src/editor/deletetextundocommand.cpp
index 74516ff2..56d8fb06 100644
--- a/src/editor/deletetextundocommand.cpp
+++ b/src/editor/deletetextundocommand.cpp
@@ -1,8 +1,9 @@
-// SPDX-FileCopyrightText: 2019 - 2023 UnionTech Software Technology Co., Ltd.
+// SPDX-FileCopyrightText: 2019 - 2026 UnionTech Software Technology Co., Ltd.
 //
 // SPDX-License-Identifier: GPL-3.0-or-later
 
 #include "deletetextundocommand.h"
+#include "dtextedit.h"
 #include "editwrapper.h"
 #include <QDebug>
 #include <QTextBlock>
@@ -36,6 +37,7 @@ DeleteTextUndoCommand::DeleteTextUndoCommand(QList<QTextEdit::ExtraSelection> &s
 {
     int cnt = m_ColumnEditSelections.size();
     for (int i = 0; i < cnt; i++) {
+        m_originalPositions.append(m_ColumnEditSelections[i].cursor.position());
         QTextCursor textCursor = m_ColumnEditSelections[i].cursor;
         if (textCursor.hasSelection()) {
             m_selectTextList.append(textCursor.selectedText());
@@ -67,11 +69,15 @@ void DeleteTextUndoCommand::undo()
         int cnt = m_ColumnEditSelections.size();
         for (int i = 0; i < cnt; i++) {
             m_ColumnEditSelections[i].cursor.insertText(m_selectTextList[i]);
-            m_ColumnEditSelections[i].cursor.setPosition(
-                m_ColumnEditSelections[i].cursor.position() - m_selectTextList[i].length(), QTextCursor::KeepAnchor);
+            m_ColumnEditSelections[i].cursor.setPosition(m_originalPositions[i] - m_selectTextList[i].length(), QTextCursor::MoveAnchor);
+            m_ColumnEditSelections[i].cursor.setPosition(m_originalPositions[i], QTextCursor::KeepAnchor);
         }
 
         if (m_edit && !m_ColumnEditSelections.isEmpty()) {
+            TextEdit *pEdit = qobject_cast<TextEdit*>(m_edit);
+            if (pEdit) {
+                pEdit->syncColumnEditSelections(m_ColumnEditSelections);
+            }
             m_edit->setTextCursor(m_ColumnEditSelections.last().cursor);
         }
     }
@@ -89,7 +95,10 @@ void DeleteTextUndoCommand::redo()
     } else {
         int cnt = m_ColumnEditSelections.size();
         for (int i = 0; i < cnt; i++) {
-            m_ColumnEditSelections[i].cursor.deletePreviousChar();
+            QTextCursor tempCursor(m_edit->document());
+            tempCursor.setPosition(m_ColumnEditSelections[i].cursor.selectionStart());
+            tempCursor.setPosition(m_ColumnEditSelections[i].cursor.selectionEnd(), QTextCursor::KeepAnchor);
+            tempCursor.deletePreviousChar();
         }
 
         if (m_edit && !m_ColumnEditSelections.isEmpty()) {
@@ -119,6 +128,7 @@ DeleteTextUndoCommand2::DeleteTextUndoCommand2(QList<QTextEdit::ExtraSelection>
     m_sInsertText.replace("\r\n", "\n");
     int cnt = m_ColumnEditSelections.size();
     for (int i = 0; i < cnt; i++) {
+        m_originalPositions.append(m_ColumnEditSelections[i].cursor.position());
         QTextCursor textCursor = m_ColumnEditSelections[i].cursor;
         if (textCursor.hasSelection()) {
             m_selectTextList.append(textCursor.selectedText());
@@ -144,10 +154,17 @@ void DeleteTextUndoCommand2::undo()
     } else {
         int cnt = m_ColumnEditSelections.size();
         for (int i = 0; i < cnt; i++) {
-            m_ColumnEditSelections[i].cursor.setPosition(m_beginPostion);
             m_ColumnEditSelections[i].cursor.insertText(m_selectTextList[i]);
-            m_ColumnEditSelections[i].cursor.setPosition(m_beginPostion);
-            m_edit->setTextCursor(m_ColumnEditSelections[i].cursor);
+            m_ColumnEditSelections[i].cursor.setPosition(m_originalPositions[i] - m_selectTextList[i].length(), QTextCursor::MoveAnchor);
+            m_ColumnEditSelections[i].cursor.setPosition(m_originalPositions[i], QTextCursor::KeepAnchor);
+        }
+
+        if (m_edit && !m_ColumnEditSelections.isEmpty()) {
+            TextEdit *pEdit = qobject_cast<TextEdit*>(m_edit);
+            if (pEdit) {
+                pEdit->syncColumnEditSelections(m_ColumnEditSelections);
+            }
+            m_edit->setTextCursor(m_ColumnEditSelections.last().cursor);
         }
     }
 }
@@ -185,9 +202,14 @@ void DeleteTextUndoCommand2::redo()
     } else {
         int cnt = m_ColumnEditSelections.size();
         for (int i = 0; i < cnt; i++) {
-            m_beginPostion = m_ColumnEditSelections[i].cursor.selectionStart();
-            m_ColumnEditSelections[i].cursor.deletePreviousChar();
-            m_edit->setTextCursor(m_ColumnEditSelections[i].cursor);
+            QTextCursor tempCursor(m_edit->document());
+            tempCursor.setPosition(m_ColumnEditSelections[i].cursor.selectionStart());
+            tempCursor.setPosition(m_ColumnEditSelections[i].cursor.selectionEnd(), QTextCursor::KeepAnchor);
+            tempCursor.deletePreviousChar();
+        }
+
+        if (m_edit && !m_ColumnEditSelections.isEmpty()) {
+            m_edit->setTextCursor(m_ColumnEditSelections.last().cursor);
         }
     }
 }
diff --git a/src/editor/deletetextundocommand.h b/src/editor/deletetextundocommand.h
index efd69cb1..77c2173a 100644
--- a/src/editor/deletetextundocommand.h
+++ b/src/editor/deletetextundocommand.h
@@ -1,4 +1,4 @@
-// SPDX-FileCopyrightText: 2019 - 2022 UnionTech Software Technology Co., Ltd.
+// SPDX-FileCopyrightText: 2019 - 2026 UnionTech Software Technology Co., Ltd.
 //
 // SPDX-License-Identifier: GPL-3.0-or-later
 
@@ -25,6 +25,7 @@ class DeleteTextUndoCommand : public QUndoCommand
     QString m_sInsertText;
     QList<QString> m_selectTextList;
     QList<QTextEdit::ExtraSelection> m_ColumnEditSelections;
+    QList<int> m_originalPositions;
     int m_beginPos;     // 记录光标删除前位置
 };
 
@@ -42,6 +43,7 @@ class DeleteTextUndoCommand2 : public QUndoCommand
     QString m_sInsertText;
     QList<QString> m_selectTextList;
     QList<QTextEdit::ExtraSelection> m_ColumnEditSelections;
+    QList<int> m_originalPositions;
     QPlainTextEdit* m_edit;
     int m_beginPostion {0};
     bool m_iscurrLine {false};
diff --git a/src/editor/dtextedit.cpp b/src/editor/dtextedit.cpp
index 1893f77c..a0bab03e 100644
--- a/src/editor/dtextedit.cpp
+++ b/src/editor/dtextedit.cpp
@@ -2231,6 +2231,12 @@ void TextEdit::renderAllSelections()
     setExtraSelections(finalSelections);
 }
 
+void TextEdit::syncColumnEditSelections(const QList<QTextEdit::ExtraSelection> &selections)
+{
+    m_altModSelections = selections;
+    renderAllSelections();
+}
+
 void TextEdit::updateMarkAllSelectColor()
 {
     isMarkAllLine(m_bIsMarkAllLine, m_strMarkAllLineColorName);
diff --git a/src/editor/dtextedit.h b/src/editor/dtextedit.h
index de2206a5..80168d7b 100644
--- a/src/editor/dtextedit.h
+++ b/src/editor/dtextedit.h
@@ -211,6 +211,7 @@ class TextEdit : public DPlainTextEdit
                                        Qt::CaseSensitivity caseFlag = Qt::CaseInsensitive);
     bool searchKeywordSeletion(QString keyword, QTextCursor cursor, bool findNext);
     void renderAllSelections();
+    void syncColumnEditSelections(const QList<QTextEdit::ExtraSelection> &selections);
 
     bool clearMarkOperationForCursor(QTextCursor cursor);
     bool clearMarksForTextCursor();
diff --git a/src/editor/inserttextundocommand.cpp b/src/editor/inserttextundocommand.cpp
index b02864ff..2554d44a 100644
--- a/src/editor/inserttextundocommand.cpp
+++ b/src/editor/inserttextundocommand.cpp
@@ -1,8 +1,9 @@
-// SPDX-FileCopyrightText: 2019 - 2023 UnionTech Software Technology Co., Ltd.
+// SPDX-FileCopyrightText: 2019 - 2026 UnionTech Software Technology Co., Ltd.
 //
 // SPDX-License-Identifier: GPL-3.0-or-later
 
 #include "inserttextundocommand.h"
+#include "dtextedit.h"
 
 InsertTextUndoCommand::InsertTextUndoCommand(const QTextCursor &textcursor, const QString &text, QPlainTextEdit *edit, QUndoCommand *parent)
     : QUndoCommand(parent)
@@ -23,6 +24,9 @@ InsertTextUndoCommand::InsertTextUndoCommand(QList<QTextEdit::ExtraSelection> &s
     , m_ColumnEditSelections(selections)
 {
     m_sInsertText.replace("\r\n", "\n");
+    for (int i = 0; i < m_ColumnEditSelections.size(); i++) {
+        m_originalPositions.append(m_ColumnEditSelections[i].cursor.position());
+    }
 }
 
 void InsertTextUndoCommand::undo()
@@ -44,10 +48,18 @@ void InsertTextUndoCommand::undo()
     } else {
         int cnt = m_ColumnEditSelections.size();
         for (int i = 0; i < cnt; i++) {
-            m_ColumnEditSelections[i].cursor.deleteChar();
+            int pos = m_ColumnEditSelections[i].cursor.position();
+            m_ColumnEditSelections[i].cursor.setPosition(pos - m_sInsertText.length(), QTextCursor::MoveAnchor);
+            m_ColumnEditSelections[i].cursor.setPosition(pos, QTextCursor::KeepAnchor);
+            m_ColumnEditSelections[i].cursor.removeSelectedText();
+            m_ColumnEditSelections[i].cursor.setPosition(m_originalPositions[i]);
         }
 
         if (m_pEdit && !m_ColumnEditSelections.isEmpty()) {
+            TextEdit *pEdit = qobject_cast<TextEdit*>(m_pEdit);
+            if (pEdit) {
+                pEdit->syncColumnEditSelections(m_ColumnEditSelections);
+            }
             m_pEdit->setTextCursor(m_ColumnEditSelections.last().cursor);
         }
     }
@@ -75,14 +87,14 @@ void InsertTextUndoCommand::redo()
     } else {
         int cnt = m_ColumnEditSelections.size();
         for (int i = 0; i < cnt; i++) {
-            m_ColumnEditSelections[i].cursor.insertText(m_sInsertText);
-            m_ColumnEditSelections[i].cursor.setPosition(m_ColumnEditSelections[i].cursor.position() - m_sInsertText.length() + 1,
-                                                         QTextCursor::KeepAnchor);
+            QTextCursor tempCursor(m_pEdit->document());
+            tempCursor.setPosition(m_ColumnEditSelections[i].cursor.position());
+            tempCursor.insertText(m_sInsertText);
         }
 
         if (m_pEdit && !m_ColumnEditSelections.isEmpty()) {
             QTextCursor curCursor = m_pEdit->textCursor();
-            curCursor.setPosition(m_ColumnEditSelections.last().cursor.selectionEnd());
+            curCursor.setPosition(m_ColumnEditSelections.last().cursor.position());
             m_pEdit->setTextCursor(curCursor);
         }
     }
diff --git a/src/editor/inserttextundocommand.h b/src/editor/inserttextundocommand.h
index 393dc95c..55d7f668 100644
--- a/src/editor/inserttextundocommand.h
+++ b/src/editor/inserttextundocommand.h
@@ -1,4 +1,4 @@
-// SPDX-FileCopyrightText: 2019 - 2023 UnionTech Software Technology Co., Ltd.
+// SPDX-FileCopyrightText: 2019 - 2026 UnionTech Software Technology Co., Ltd.
 //
 // SPDX-License-Identifier: GPL-3.0-or-later
 
@@ -29,6 +29,7 @@ class InsertTextUndoCommand : public QUndoCommand
     int m_endPostion{0};
     QString m_sInsertText;
     QList<QTextEdit::ExtraSelection> m_ColumnEditSelections;
+    QList<int> m_originalPositions;
     QString m_selectText = QString();
 };